Rho(D) Immune Globulin (Human) (Rhogam Ultra-Filtered Plus)
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Rho(D) Immune Globulin (Human) (Rhogam Ultra-Filtered Plus)

RhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(300 µg Rho(D) Immune Globulin [Human]) (1500 IU)
MICRhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(50µg Rho(D) Immune Globulin [Human]) (250 IU)

For Intramuscular Injection Only
Prefilled syringes, preservative-free (thimerosal free), latex-free delivery system

DRUG DESCRIPTION

RhoGAM and MICRhoGAM Rho(D) Immune Globulin (Human) are sterile solutions containing immunoglobulin G (IgG) anti-D (anti-Rh) for use in preventing Rh immunization. They are manufactured from human plasma containing anti-D. A single dose of RhoGAM contains sufficient anti-D (300 µg or 1500 IU) to suppress the immune response to up to 15 mL of Rh-positive red blood cells.4,15 A single dose of MICRhoGAM contains sufficient anti-D (50 µg or 250 IU) to suppress the immune response to up to 2.5 mL of Rh-positive red blood cells. The anti-D dose is measured by comparison to the RhoGAM in-house reference standard, the potency of which is established relative to the U.S./World Health Organization/European Pharmacopoeia Standard Anti-D Immunoglobulin Rho(D) Immune Globulin (Human) CBER Lot 4: NIBSC Lot 01/572 (285 IU/ampoule).16

Plasma for RhoGAM is typically sourced from a donor center owned and operated by Ortho-Clinical Diagnostics. All donors are carefully screened by history and laboratory testing to reduce the risk of transmitting blood-borne pathogens from infected donors. Each plasma donation is tested and found to be non-reactive for the presence of hepatitis B surface antigen (HBsAg) and antibodies to hepatitis C (HCV) and human immunodeficiency viruses (HIV) 1 and 2. Additionally, plasma is tested by FDA licensed Nucleic Acid Testing (NAT) for HCV and HIV-1 and the results must be negative. Plasma is also tested by investigational NAT for hepatitis B (HBV) and must be non-reactive. However, the significance of a negative result has not been established. Plasma is tested by NAT for hepatitis A virus and parvovirus B19.

Fractionation of the plasma is performed by a modification of the cold alcohol procedure that has been shown to significantly lower viral titers.10 Following plasma fractionation, a viral clearance filtration step and a viral inactivation step are performed. The viral filtration step removes viruses via a size-exclusion mechanism utilizing a patented Viresolve 180 ultrafiltration membrane with defined pore-size distribution of 12-18 nanometers to remove enveloped and non-enveloped viruses. Following viral filtration, quality control tests (CorrTest and diffusion test) are performed on the Viresolve 180 ultrafiltration membrane to insure filter integrity.17 The viral inactivation step utilizes Triton X-100 and tri-n-butyl phosphate (TNBP) to inactivate enveloped viruses such as HCV, HIV and West Nile Virus (WNV)10,18 (Patent Pending).

The donor selection process, the fractionation process, the viral filtration step and the viral inactivation process increase product safety by reducing the risk of transmission of enveloped and non-enveloped viruses. Rho(D) Immune Globulin (Human) intended for intramuscular use and prepared by cold alcohol fractionation has not been shown to transmit hepatitis or other infectious diseases.19 There have been no documented cases of infectious disease transmission by RhoGAM or MICRhoGAM.

Laboratory spiking studies10,20 have shown that the cumulative viral removal and inactivation capability of the RhoGAM / MICRhoGAM manufacturing process is as follows:

Virus HIV BVDV PRV PPV EMC WNV HAV
Lipid Enveloped Yes Yes Yes No No Yes No
Size (nm) 80-120 40-70 120-200 18-24 25-30 40-60 27-32
Genome SS-RNA SS-RNA DS-DNA SS-DNA SS-RNA SS-RNA SS-RNA
Fractionation > 7.98 7.29 > 11.74 8.30 ND ND ND
Viral Filtration > 5.60 5.40 > 6.20 3.30 4.16 ND > 5.07
Viral Inactivation > 4.28 > 4.90 > 5.58 N/A N/A > 7.05 N/A
Total Viral Reduction > 17.86 > 17.59 > 23.52 11.60 4.16 > 7.05 > 5.07
Units = log10 reduction
HIV       Human Immunodeficiency Virus, Model for HIV-1 and 2 and Human T-cell Lymphotropic Virus (HTLV) 1 and 2
BVDV    Bovine Viral Diarrhea Virus, Model for Hepatitis C Virus
PRV      Pseudorabies Virus, Model for Herpes Viruses
PPV      Porcine Parvovirus, Model for Parvovirus B19
EMC     Encephalomyocarditis Virus, Model for Hepatitis A Virus
WNV     West Nile Virus
HAV      Hepatitis A Virus
ND        Not Determined
N/A       Not Applicable

The safety of Rho(D) Immune Globulin (Human) has been further shown in an empirical study of viral marker rates in female blood donors in the United States.21 This study revealed that Rh-negative donors, of whom an estimated 55-60% had received Rho(D) Immune Globulin (Human) for pregnancy-related indications, had prevalence and incidence viral marker rates similar to those of Rh-positive female donors who had not received Rho(D) Immune Globulin (Human).

The final product contains 5 ± 1% IgG, 2.9 mg/mL sodium chloride, 0.01% Polysorbate 80 (non-animal derived) and 15 mg/mL glycine. Small amounts of IgA, typically less than > 15 µg per dose, are present.10 The pH range is 6.20 - 6.55 and IgG purity is 98%. The product contains no added human serum albumin (HSA), no thimerosal or other preservatives and utilizes a latex-free delivery system.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

REFERENCES

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

4  Pollack W, Ascari WQ, Crispen JF, O'Connor RR, Ho TY. Studies on Rh prophylaxis. II. Rh immune prophylaxis after transfusion with Rh-positive blood. Transfusion 1971;11:340-44.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

15  Pollack W, Ascari WQ, Kochesky RJ, O'Connor RR, Ho T Y, Tripodi D. Studies on Rh prophylaxis. I. Relationship between doses of anti-Rh and size of antigenic stimulus. Transfusion 1971;11:333-39.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

16  Thorpe SJ, Sands D, Fox B, Behr-Gross ME, Schaffner G, Yu MW. A global standard for anti-D immunoglobulin: international collaborative study to evaluate a candidate preparation. Vox Sang 2003;85:313-21.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

17  Phillips MW, DiLeo AJ. A Validatible Porosimetric Technique for verifying the integrity of virus-retentive membranes. Biologicals 1996;24:243-53.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

18  Horowitz B, Wiebe ME, Lippin A, Stryker MH. Inactivation of viruses in labile blood derivatives. I. Disruption of lipid-enveloped viruses by tri (n-butyl) phosphate detergent combinations. Transfusion 1985; 25(6):516-22.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

19  Tabor E. The epidemiology of virus transmission by plasma derivatives: clinical studies verifying the lack of transmission of hepatitis B and C viruses and HIV type 1. Transfusion 1999;39:1160-68.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

20  Van Holten RW, Ciavarella D, Oulundsen G, Harmon F, Riester S. Incorporation of an additional viral-clearance step into a human immunoglobulin manufacturing process. Vox Sang 2002;83:227-33.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

21  Watanabe KK, Busch MP, Schreiber GB, Zuck TF. Evaluation of the safety of Rh Immunoglobulin by monitoring viral markers among Rh-negative female blood donors. Vox Sang 2000;8:1-6.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

22  Crispen J. Immunosuppression of small quantities of Rh-positive blood with MICRhoGAM in Rh-negative male volunteers. In: Proceedings of a symposium on Rh antibody mediated immunosuppression. Raritan, NJ: Ortho Research Institute of Medical Sciences, 1975:51-54.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

23  Bowman JM, Chown B, Lewis M, Pollock JM. Rh isoimmunization during pregnancy: antenatal prophylaxis. Can Med Assoc J 1978;118:623-27.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

24  Bowman JM, Pollock JM. Antenatal prophylaxis of Rh isoimmunization: 28-weeks' gestation service program. Can Med Assoc J 1978;118:627-30.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

25  Stewart FH, Burnhill MS, Bozorgi N. Reduced dose of Rh immunoglobulin following first trimester pregnancy termination. Obstet Gynecol 1978;51:318-22.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

26  Pollack W, Gorman JG, Freda VJ, Ascari WQ, Allen AE, Baker WJ. Results of clinical trials of RhoGAM in women. Transfusion 1968;8:151-53.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

27  Freda VJ, Gorman JG, Pollack W, Bowe E. Prevention of Rh hemolytic disease - ten years' clinical experience with Rh immune globulin. New Engl J Med 1975; 292:1014-16.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling...

Read All Potential Side Effects and See Pictures of Rhogam Ultra-Filtered Plus »

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

INDICATIONS

Pregnancy and other obstetrical conditions

For administration to Rh-negative women not previously sensitized to the Rho(D) factor, unless the father or baby are conclusively Rh-negative.

Transfusion of Rh-incompatible blood or blood products

DOSAGE AND ADMINISTRATION

For intramuscular use only. Do not inject RhoGAM Ultra-Filtered PLUS (rho(d) immune globulin (human)) (RhoGAM) or MICRhoGAM Ultra-Filtered PLUS (rho(d) immune globulin (human)) (MICRhoGAM) intravenously. In the case of postpartum use, the product is intended for maternal administration. Do not inject the newborn infant. Inject the entire contents of the syringe(s). For single use only. (See WARNINGS AND PRECAUTIONS)

RhoGAM or MICRhoGAM should be administered within 72 hours of delivery or known or suspected exposure to Rh-positive red blood cells. There is little information concerning the effectiveness of Rho(D) Immune Globulin (Human) when given beyond this 72 hour period. In one study, Rho(D) Immune Globulin (Human) provided protection against Rh immunization in about 50% of subjects when given 13 days after exposure to Rh-positive red blood cells.1 Administer every 12 weeks starting from first injection to maintain a level of passively acquired anti-D. If delivery occurs within three weeks after the last antepartum dose, the postpartum dose may be withheld, but a test for fetal-maternal hemorrhage should be performed to determine if exposure to > 15 mL of red blood cells has occurred.2

Parenteral drug products should be inspected visually for particulate matter, discoloration and syringe damage prior to administration. Do not use if particulate matter and / or discoloration are observed. The solution should appear clear or slightly opalescent.

Indications and Recommended Dosage

Indication Dose Notes
Pregnancy and other obstetrical conditions.
Postpartum (if the newborn is Rh-positive)

Administer within 72 hours of delivery.
RhoGAM
(300 µg)
(1500 IU)
Additional doses of RhoGAM are indicated when the patient has been exposed to > 15 mL of Rh- positive red blood cells. This may be determined by use of qualitative or quantitative tests for fetal-maternal hemorrhage.
Antepartum:
  • Prophylaxis at 26 to 28 weeks gestation
Administer within 72 hours of suspected or proven exposure to Rh-positive red blood cells resulting from:
  • Amniocentesis, chorionic villus sampling (CVS) and percutaneous umbilical blood sampling (PUBS)
  • Abdominal trauma or obstetrical manipulation
  • Ectopic pregnancy
  • Threatened pregnancy loss after 12 weeks gestation with continuation of pregnancy
  • Pregnancy termination (spontaneous or induced) beyond 12 weeks gestation
 

If antepartum prophylaxis is indicated, it is essential that the mother receive a postpartum dose if the infant is Rh-positive.

If RhoGAM is administered early in pregnancy (before 26 to 28 weeks), there is an obligation to maintain a level of passively acquired anti-D by administration of RhoGAM at 12-week intervals.

  • Actual or threatened termination of pregnancy (spontaneous or induced) up to and including 12 weeks gestation Administer within 72 hours
MICRhoGAM
(50 µg)
(250 IU)
RhoGAM may be administered if MICRhoGAM is not available.
Transfusion of Rh-incompatible blood or blood products   Administer within 72 hours of suspected or proven exposure to Rh-positive red blood cells.

• < 2.5 mL Rh-positive red blood cells

MICRhoGAM (50 µg) (250 IU)

RhoGAM may be administered if MICRhoGAM is not available.

  • .5 - 15.0 mL Rh-positive red blood cells
RhoGAM
(300 µg)
(1500 IU)
 
  • > 15.0 mL Rh-positive red blood cells
RhoGAM
(300 µg)
(1500 IU) (multiple syringes)
Additional doses of RhoGAM are indicated when the patient has been exposed to > 15 mL of Rh- positive red blood cells. Administer 20 µg of RhoGAM per mL of Rh-positive red blood cell exposure. Multiple doses may be administered at the same time or at spaced intervals, as long as the total dose is administered within three days of exposure.

RhoGAM Administration

Each single dose prefilled syringe of RhoGAM contains 300 µg (1500 IU) of Rho(D) Immune Globulin (Human). This is the dose for the indications associated with pregnancy at or beyond 13 weeks unless there is clinical or laboratory evidence of a fetal-maternal hemorrhage (FMH) in excess of 15 mL of Rh-positive red blood cells.

MICRhoGAM Administration

Each single dose prefilled syringe of MICRhoGAM contains 50 µg (250 IU) of Rho(D) Immune Globulin (Human). This dose will suppress the immune response to up to 2.5 mL of Rh-positive red blood cells. MICRhoGAM is indicated within 72 hours after termination of pregnancy up to and including 12 weeks gestation. At or beyond 13 weeks gestation, RhoGAM should be administered instead of MICRhoGAM.

Multiple Dosage

Multiple doses of RhoGAM are required if a FMH exceeds 15 mL, an event that is possible but unlikely prior to the third trimester of pregnancy and is most likely at delivery. Patients known or suspected to be at increased risk of FMH should be tested for FMH by qualitative or quantitative methods.3 In efficacy studies, RhoGAM was shown to suppress Rh immunization in all subjects when given at a dose of > 20 µg per mL of Rh- positive red blood cells.4 Thus, a single dose of RhoGAM will suppress the immune response after exposure to < 15 mL of Rh-positive red blood cells. However, in clinical practice, laboratory methods used to determine the amount of exposure (volume of transfusion or FMH) to Rh-positive red blood cells are imprecise.5,6 Therefore, administration of more than 20 µg of RhoGAM per mL of Rh-positive red blood cells should be considered whenever a large FMH or red blood cell exposure is suspected or documented.6 Multiple doses may be administered at the same time or at spaced intervals, as long as the total dose is administered within three days of exposure.7

Dosage Frequency

To maintain an adequate level of anti-D, RhoGAM should be administered every 12 weeks. The exact timing for the injection is based on 12 week intervals starting from the administration of the first injection. If delivery of the baby does not occur 12 weeks after the administration of the standard antepartum dose (at 26 to 28 weeks), a second dose is recommended to maximize protection antepartum. If delivery occurs within three weeks after the last antepartum dose, the postpartum dose may be withheld, but a test for FMH should be performed to determine if exposure to > 15 mL of red blood cells has occurred.2

Administration

Administer injection per standard protocol.

Note: When administering an intramuscular injection, place fingers in contact with syringe barrel through windows in shield to prevent possible premature activation of safety guard.

Administer injection per standard protocol - illustration 1

Slide safety guard over needle.

After injection, use free hand to slide safety guard over needle. An audible "click" indicates proper activation. Keep hands behind needle at all times. Dispose of the syringe in accordance with local regulations.

Administer injection per standard protocol - illustration 2

HOW SUPPLIED

Dosage Forms and Strength

  • RhoGAM® Ultra-Filtered PLUS (rho(d) immune globulin (human)) - 300 µg (1500 IU)* - Prefilled Syringes
  • MICRhoGAM® Ultra-Filtered PLUS (rho(d) immune globulin (human)) - 50 µg (250 IU)* - Prefilled Syringes

*The anti-D content of RhoGAM / MICRhoGAM is expressed as µg per dose or as International Units (IU) per dose. The conversion factor is 1 µg = 5 IU.8

Storage and Handling

RhoGAM Ultra-Filtered PLUS (rho(d) immune globulin (human)) package sizes:

  • 1 prefilled single-dose syringe of RhoGAM (Product Code 780501) NDC 0562-7805-01 1 package insert, 1 control form, 1 patient identification card
  • 5 prefilled single-dose syringes of RhoGAM (Product Code 780505) NDC 0562-7805-05 5 package inserts, 5 control forms, 5 patient identification cards
  • 25 prefilled single-dose syringes of RhoGAM (Product Code 780525) NDC 0562-7805-25 25 package inserts, 25 control forms, 25 patient identification cards

MICRhoGAM Ultra-Filtered PLUS (rho(d) immune globulin (human)) package sizes:

  • 1 prefilled single-dose syringe of MICRhoGAM (Product Code 780601) NDC 0562-7806-01 1 package insert, 1 control form, 1 patient identification card
  • 5 prefilled single-dose syringes of MICRhoGAM (Product Code 780605) NDC 0562-7806-05 5 package inserts, 5 control forms, 5 patient identification cards
  • 25 prefilled single-dose syringes of MICRhoGAM (Product Code 780625) NDC 0562-7806-25 25 package inserts, 25 control forms, 25 patient identification cards

Store at 2 to 8°C. Do not store frozen. Do not use after the expiration date printed the syringe.

REFERENCES

1  Samson D, Mollison PL. Effect on primary Rh immunization of delayed administration of anti-Rh. Immunol 1975;28:349-57.

2  Garratty G, ed. Hemolytic disease of the newborn. Arlington, VA: American Association of Blood Banks, 1984:78.

3  Urbaniak SJ. Statement from the Consensus Conference on Anti-D Prophylaxis, The Royal College of Physicians of Edinburgh & The Royal College of Obstetricians and Gynaecologists, UK. Vox Sang 1998;74:127-28.

4  Pollack W, Ascari WQ, Crispen JF, O'Connor RR, Ho TY. Studies on Rh prophylaxis. II. Rh immune prophylaxis after transfusion with Rh-positive blood. Transfusion 1971;11:340-44.

5  Bayliss KM, Kueck DB, Johnson ST, Fueger JT, McFadden PW, Mikulski D, Gottschall JL. Detecting fetomaternal hemorrhage: a comparison of five methods. Transfusion 1991;31:303-7.

6  Kumpel BM. Quantification of anti-D and fetomaternal hemorrhage by flow cytometry (editorial). Transfusion 2000;40:6-9.

7  AABB Technical Manual. 15th ed. Bethesda, Maryland: AABB, 2005.

8  Gunson HH, Bowell PJ, Kirkwood TBL. Collaborative study to recalibrate the International Reference Preparation of anti-D immunoglobulin. J Clin Pathol 1980;33:249-53.

Ortho-Clinical Diagnostics,Inc. A Johnson & Johnson company, Raritan, New Jersey 08869. Issued March 2007. FDA rev date: n/a

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

SIDE EFFECTS

Adverse events (AE) after administration of RhoGAM and MICRhoGAM are rare.

The most frequently reported AEs are anti-D formation and injection site reactions, such as swelling, induration, redness and mild pain or warmth. Possible systemic reactions are skin rash, body aches or a slight elevation in temperature. Severe systemic allergic reactions are extremely rare. Patients should be observed for at least 20 minutes after administration. There have been no reported fatalities due to anaphylaxis or any other cause related to RhoGAM or MICRhoGAM administration.

As with any Rho(D) Immune Globulin (Human), administration to patients who are Rh-positive or have received Rh-positive red blood cells may result in signs and symptoms of a hemolytic reaction, including fever, back pain, nausea and vomiting, hypo- or hypertension, hemoglobinuria/emia, elevated bilirubin and creatinine and decreased haptoglobin.

RhoGAM and MICRhoGAM contain a small quantity of IgA (less than 15 µg per dose).10 Although high doses of intravenous immune globulin containing IgA at levels of 270- 720 µg/mL have been given without incident during treatment of patients with high-titered antibodies to IgA,11 the attending physician must weigh the benefit against the potential risks of hypersensitivity reactions.

Read the Rhogam Ultra-Filtered Plus (rho(d) immune globulin (human)) Side Effects Center for a complete guide to possible side effects »

DRUG INTERACTIONS

Immune globulin preparations including Rho(D) Immune Globulin (Human) may impair the efficacy of live vaccines such as measles, mumps and varicella. Administration of live vaccines should generally be delayed until 12 weeks after the final dose of immune globulin. If an immune globulin is administered within 14 days after administration of a live vaccine, the immune response to the vaccination may be inhibited.12

Because of the importance of rubella immunity among women of childbearing age, the postpartum vaccination of rubella-susceptible women with rubella or MMR vaccine should not be delayed because of the receipt of Rho(D) Immune Globulin (Human) during the last trimester of pregnancy or at delivery. Vaccination should occur immediately after delivery and if possible, testing should be performed after 3 or more months to ensure immunity to rubella and if necessary, to measles.12

REFERENCES

10  Data on file at Ortho-Clinical Diagnostics, Inc.

11  Cunningham-Rundles C, Zhuo Z, Mankarious S, Courter S. Long-term use of IgA- depleted intravenous immunoglobulin in immunodeficient subjects with anti-IgA antibodies. J Clin Immunol 1993;13:272-78.

12  Centers for Disease Control and Prevention. General recommendations on immunization: recommendations of the Advisory Committee on Immunization Practices and the American Academy of Family Physicians. MMWR 2002;51 (No. RR-2):6-7.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

WARNINGS

  • For intramuscular use only, do not inject intravenously.
  • In the case of postpartum use, the product is intended for maternal administration.
  • Do not inject the newborn infant.
  • Patients should be observed for at least 20 minutes after administration.
  • Administer with caution to patients who have had prior severe systemic allergic reactions to human immune globulin.
  • RhoGAM / MICRhoGAM contain a small quantity of IgA. There is a potential risk of hypersensitivity in IgA deficient individuals.
  • Patients treated for Rh-incompatible transfusion should be monitored by clinical and laboratory means for signs and symptoms of a hemolytic reaction.
  • Store at 2 to 8°C. Do not store frozen.
  • Do not use after the expiration date printed on the syringe.

Use of Plasma Derived Products

RhoGAM and MICRhoGAM are made from human plasma and may carry a risk of transmitting infectious agents, e.g., viruses, and theoretically the Creutzfeldt-Jakob disease (CJD) agent. The risk that such products will transmit an infectious agent has been reduced by screening plasma donors for prior exposure to certain viruses, by testing plasma for the presence of certain current virus infections and by using pathogen removal and inactivation techniques during the manufacturing process. All of the above steps are designed to increase product safety by reducing the risk of pathogen transmission. Despite these measures, such products can still potentially transmit disease. There is also the possibility that unknown infectious agents may be present in such products. All infections thought by a physician possibly to have been transmitted by these products should be reported by the physician or other healthcare provider in the United States to Ortho-Clinical Diagnostics, Inc. at 1-800-421-3311. Outside the United States, the company distributing these products should be contacted. The physician should discuss the risks and benefits of these products with the patient.

PRECAUTIONS

Laboratory Tests

Recovery of anti-D in plasma or serum after injection of RhoGAM or other Rho(D) Immune Globulin (Human) products is highly variable among individuals. Anti-D detection in a patient's plasma is dependent on assay sensitivity and time of sample collection post- injection. Currently there are no requirements or practice standards to test for the presence of anti-D in order to determine adequacy or efficacy of dose following an injection of RhoGAM.

The presence of passively acquired anti-D in the maternal serum may cause a positive antibody screening test. This does not preclude further antepartum or postpartum prophylaxis.

Some babies born to women given Rho(D) Immune Globulin (Human) antepartum have weakly positive direct antiglobulin (Coombs) tests at birth.

Fetal-maternal hemorrhage may cause false blood typing results in the mother. Late in pregnancy or following delivery, there may be sufficient fetal Rh-positive red blood cells in the circulation of the Rh-negative mother to cause a positive antiglobulin test for weak D (Du). In this instance if there is any doubt as to the patient's Rh type, RhoGAM or MICRhoGAM should be administered.9

Use In Specific Populations

Pregnancy

Pregnancy Category C

Animal reproduction studies have not been conducted with RhoGAM or MICRhoGAM. The available evidence suggests that Rho(D) Immune Globulin (Human) does not harm the fetus or affect future pregnancies or the reproduction capacity of the maternal recipient.13,14

Rh Blood Type

RhoGAM or MICRhoGAM Rho(D) Immune Globulin (Human) should only be administered to Rh-negative patients exposed or potentially exposed to Rh-positive red blood cells to prevent Rh immunization.

REFERENCES

9  ACOG practice bulletin. Prevention of Rh D alloimmunization. Number 4, May 1999 (replaces educational bulletin Number 147, October 1990). Clinical management guidelines for obstetrician-gynecologists. American College of Obstetrics and Gynecology. Int J Gynaecol Obstet. 1999; 66(1):63-70.

13  Zipursky A, Israels LG. The pathogenesis and prevention of Rh immunization. Can Med Assoc J 1967;97:1245-56.

14  Thornton JG, Page C, Foote G, Arthur GR, Tovey LAD, Scott JS. Efficacy and long term effects of antenatal prophylaxis with anti-D immunoglobulin. Brit Med J 1989;298:1671-73.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

OVERDOSE

Repeated administration or increased dosage in Rh-negative individuals should not cause more severe or more frequent adverse reactions than the normal dose. Patients who receive RhoGAM or MICRhoGAM for Rh-incompatible transfusion should be monitored by clinical and laboratory means due to the risk of a hemolytic reaction.

CONTRAINDICATIONS

The use of RhoGAM and MICRhoGAM is contraindicated in Rh-positive individuals.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

CLINICAL PHARMACOLOGY

Mechanism of Action

RhoGAM and MICRhoGAM act by suppressing the immune response of Rh-negative individuals to Rh-positive red blood cells. The mechanism of action is unknown. RhoGAM, MICRhoGAM and other Rho(D) Immune Globulin (Human) products are not effective in altering the course or consequences of Rh immunization once it has occurred.

Obstetrical Use

The Rh-negative obstetrical patient may be exposed to red blood cells from her Rh- positive fetus during the normal course of pregnancy or after obstetrical procedures or abdominal trauma.

Use after Rh-Incompatible Transfusion

An Rh-negative individual transfused with one unit of Rh-positive red blood cells has about an 80% likelihood of producing anti-D.4 However, Rh immunization can occur after exposure to < 1 mL of Rh-positive red blood cells. Protection from Rh immunization is accomplished by administering > 20 µg of RhoGAM or MICRhoGAM per mL of Rh-positive red blood cells within 72 hours of transfusion of incompatible red blood cells.13,22

Pharmacokinetic Properties

Pharmacokinetic studies after intramuscular injection were performed on sixteen Rh-negative subjects receiving a single dose of (368 µg or 1840 IU) RhoGAM.10 Plasma anti-D levels were monitored for thirteen weeks using a validated Automated Quantitative Hemagglutination method with sensitivity of approximately 1 ng/mL. The following mean pharmacokinetic parameters were obtained from data collected over the first ten weeks of a thirteen-week study:

Parameter Mean SD Units
Maximum plasma concentration obtained (Cmax) 54.0 13.0 ng/mL
Time to attain Cmax (Tmax) 4   days
Elimination half-life (T½) 30.9 13.8 days
Volume of distribution (Vd) 7.3 1.5 liters
Clearance (CL) 150.4 53.3 mL/day

Clinical Studies

Rho(D) Immune Globulin (Human) administered at 28 weeks, as well as within 72 hours of delivery, has been shown to reduce the Rh immunization rate to about 0.1-0.2%.23,24 Clinical studies demonstrated that administration of MICRhoGAM within three hours following pregnancy termination was 100% effective in preventing Rh immunization.25

Multiple studies have been performed that prove the safety and efficacy of RhoGAM in both the obstetrical and post transfusion settings.

Freda, Gorman and colleagues26, 27 studied the efficacy of RhoGAM in the postpartum setting in a randomized, controlled study completed in 1967. The control group received no immunoglobulin therapy after delivery, while the test group received 300 µg of RhoGAM intramuscularly within 72 hours of delivery of an Rh-positive infant. Six months after delivery, the incidence of Rh immunization in the control group was 6.4% (32/499) versus 0.13% (1/781) in the RhoGAM group (p < 0.001).

Pollack et al. performed two randomized, placebo-controlled studies in the post transfusion setting that were designed to establish the dose response relationship of RhoGAM. In the first study,15 178 (176 males, 2 females) Rh-negative volunteers received varying volumes of Rh- positive red cells; 92 subjects then received RhoGAM. A single dose of RhoGAM (1.1 mL @ 267 µg/mL) was shown to suppress anti-D formation after injection of up to 15.1 mL of Rh-positive red cells. In a companion study,4 Pollack administered 500 mL of Rh-positive whole blood to 44 Rh-negative male volunteers. Twenty-two (22) subjects received 20 µg RhoGAM per mL of Rh-positive red cells and 22 received no RhoGAM. None of the RhoGAM-treated subjects developed anti-D; 18/22 control arm subjects developed anti-D (p < 0.0001).

Human clinical studies10 were subsequently performed to prove the efficacy of MICRhoGAM and the low protein (5%) formulations. In the MICRhoGAM study, 81 Rh-negative male volunteers received an initial injection of 2.5 mL Rh-positive red cells, followed by a booster injection (0.1 mL) of red cells at 26 weeks; 40 subjects received an injection of MICRhoGAM after the initial red cell injection. None of the subjects who received MICRhoGAM developed anti-D, both before and after the booster red cell injection. A similar study was performed in 1985 using the low protein formulation of RhoGAM. None of the 30 Rh-negative male volunteers who received RhoGAM after injection of 15 mL of Rh-positive red cells developed anti-D.

REFERENCES

13  Zipursky A, Israels LG. The pathogenesis and prevention of Rh immunization. Can Med Assoc J 1967;97:1245-56.

22  Crispen J. Immunosuppression of small quantities of Rh-positive blood with MICRhoGAM in Rh-negative male volunteers. In: Proceedings of a symposium on Rh antibody mediated immunosuppression. Raritan, NJ: Ortho Research Institute of Medical Sciences, 1975:51-54.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

PATIENT INFORMATION

As with all immune globulin preparations, the physician should discuss the risks and benefits with the patient. The most common adverse reactions are local reactions including swelling, induration, redness and mild pain at the site of injection, and a small number of patients have noted a slight elevation in temperature.

Systemic reactions to RhoGAM or MICRhoGAM are extremely rare, however allergic responses to RhoGAM or MICRhoGAM may occur. Patients should be observed for at least 20 minutes after administration. Patients should be informed of the early signs of hypersensitivity reactions including hives, generalized urticaria, tightness of the chest, wheezing, hypotension and anaphylaxis.

The physician should provide the patient with a completed RhoGAM Patient Identification Card and advise the patient to retain the card and present it to other health care providers when appropriate.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

>

PATIENT INFORMATION

As with all immune globulin preparations, the physician should discuss the risks and benefits with the patient. The most common adverse reactions are local reactions including swelling, induration, redness and mild pain at the site of injection, and a small number of patients have noted a slight elevation in temperature.

Systemic reactions to RhoGAM or MICRhoGAM are extremely rare, however allergic responses to RhoGAM or MICRhoGAM may occur. Patients should be observed for at least 20 minutes after administration. Patients should be informed of the early signs of hypersensitivity reactions including hives, generalized urticaria, tightness of the chest, wheezing, hypotension and anaphylaxis.

The physician should provide the patient with a completed RhoGAM Patient Identification Card and advise the patient to retain the card and present it to other health care providers when appropriate.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

RhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(300 µg Rho(D) Immune Globulin [Human]) (1500 IU)
MICRhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(50µg Rho(D) Immune Globulin [Human]) (250 IU)

For Intramuscular Injection Only
Prefilled syringes, preservative-free (thimerosal free), latex-free delivery system

DRUG DESCRIPTION

RhoGAM and MICRhoGAM Rho(D) Immune Globulin (Human) are sterile solutions containing immunoglobulin G (IgG) anti-D (anti-Rh) for use in preventing Rh immunization. They are manufactured from human plasma containing anti-D. A single dose of RhoGAM contains sufficient anti-D (300 µg or 1500 IU) to suppress the immune response to up to 15 mL of Rh-positive red blood cells.4,15 A single dose of MICRhoGAM contains sufficient anti-D (50 µg or 250 IU) to suppress the immune response to up to 2.5 mL of Rh-positive red blood cells. The anti-D dose is measured by comparison to the RhoGAM in-house reference standard, the potency of which is established relative to the U.S./World Health Organization/European Pharmacopoeia Standard Anti-D Immunoglobulin Rho(D) Immune Globulin (Human) CBER Lot 4: NIBSC Lot 01/572 (285 IU/ampoule).16

Plasma for RhoGAM is typically sourced from a donor center owned and operated by Ortho-Clinical Diagnostics. All donors are carefully screened by history and laboratory testing to reduce the risk of transmitting blood-borne pathogens from infected donors. Each plasma donation is tested and found to be non-reactive for the presence of hepatitis B surface antigen (HBsAg) and antibodies to hepatitis C (HCV) and human immunodeficiency viruses (HIV) 1 and 2. Additionally, plasma is tested by FDA licensed Nucleic Acid Testing (NAT) for HCV and HIV-1 and the results must be negative. Plasma is also tested by investigational NAT for hepatitis B (HBV) and must be non-reactive. However, the significance of a negative result has not been established. Plasma is tested by NAT for hepatitis A virus and parvovirus B19.

Fractionation of the plasma is performed by a modification of the cold alcohol procedure that has been shown to significantly lower viral titers.10 Following plasma fractionation, a viral clearance filtration step and a viral inactivation step are performed. The viral filtration step removes viruses via a size-exclusion mechanism utilizing a patented Viresolve 180 ultrafiltration membrane with defined pore-size distribution of 12-18 nanometers to remove enveloped and non-enveloped viruses. Following viral filtration, quality control tests (CorrTest and diffusion test) are performed on the Viresolve 180 ultrafiltration membrane to insure filter integrity.17 The viral inactivation step utilizes Triton X-100 and tri-n-butyl phosphate (TNBP) to inactivate enveloped viruses such as HCV, HIV and West Nile Virus (WNV)10,18 (Patent Pending).

The donor selection process, the fractionation process, the viral filtration step and the viral inactivation process increase product safety by reducing the risk of transmission of enveloped and non-enveloped viruses. Rho(D) Immune Globulin (Human) intended for intramuscular use and prepared by cold alcohol fractionation has not been shown to transmit hepatitis or other infectious diseases.19 There have been no documented cases of infectious disease transmission by RhoGAM or MICRhoGAM.

Laboratory spiking studies10,20 have shown that the cumulative viral removal and inactivation capability of the RhoGAM / MICRhoGAM manufacturing process is as follows:

Virus HIV BVDV PRV PPV EMC WNV HAV
Lipid Enveloped Yes Yes Yes No No Yes No
Size (nm) 80-120 40-70 120-200 18-24 25-30 40-60 27-32
Genome SS-RNA SS-RNA DS-DNA SS-DNA SS-RNA SS-RNA SS-RNA
Fractionation > 7.98 7.29 > 11.74 8.30 ND ND ND
Viral Filtration > 5.60 5.40 > 6.20 3.30 4.16 ND > 5.07
Viral Inactivation > 4.28 > 4.90 > 5.58 N/A N/A > 7.05 N/A
Total Viral Reduction > 17.86 > 17.59 > 23.52 11.60 4.16 > 7.05 > 5.07
Units = log10 reduction
HIV       Human Immunodeficiency Virus, Model for HIV-1 and 2 and Human T-cell Lymphotropic Virus (HTLV) 1 and 2
BVDV    Bovine Viral Diarrhea Virus, Model for Hepatitis C Virus
PRV      Pseudorabies Virus, Model for Herpes Viruses
PPV      Porcine Parvovirus, Model for Parvovirus B19
EMC     Encephalomyocarditis Virus, Model for Hepatitis A Virus
WNV     West Nile Virus
HAV      Hepatitis A Virus
ND        Not Determined
N/A       Not Applicable

The safety of Rho(D) Immune Globulin (Human) has been further shown in an empirical study of viral marker rates in female blood donors in the United States.21 This study revealed that Rh-negative donors, of whom an estimated 55-60% had received Rho(D) Immune Globulin (Human) for pregnancy-related indications, had prevalence and incidence viral marker rates similar to those of Rh-positive female donors who had not received Rho(D) Immune Globulin (Human).

The final product contains 5 ± 1% IgG, 2.9 mg/mL sodium chloride, 0.01% Polysorbate 80 (non-animal derived) and 15 mg/mL glycine. Small amounts of IgA, typically less than > 15 µg per dose, are present.10 The pH range is 6.20 - 6.55 and IgG purity is 98%. The product contains no added human serum albumin (HSA), no thimerosal or other preservatives and utilizes a latex-free delivery system.

REFERENCES

4  Pollack W, Ascari WQ, Crispen JF, O'Connor RR, Ho TY. Studies on Rh prophylaxis. II. Rh immune prophylaxis after transfusion with Rh-positive blood. Transfusion 1971;11:340-44.

15  Pollack W, Ascari WQ, Kochesky RJ, O'Connor RR, Ho T Y, Tripodi D. Studies on Rh prophylaxis. I. Relationship between doses of anti-Rh and size of antigenic stimulus. Transfusion 1971;11:333-39.

16  Thorpe SJ, Sands D, Fox B, Behr-Gross ME, Schaffner G, Yu MW. A global standard for anti-D immunoglobulin: international collaborative study to evaluate a candidate preparation. Vox Sang 2003;85:313-21.

17  Phillips MW, DiLeo AJ. A Validatible Porosimetric Technique for verifying the integrity of virus-retentive membranes. Biologicals 1996;24:243-53.

18  Horowitz B, Wiebe ME, Lippin A, Stryker MH. Inactivation of viruses in labile blood derivatives. I. Disruption of lipid-enveloped viruses by tri (n-butyl) phosphate detergent combinations. Transfusion 1985; 25(6):516-22.

19  Tabor E. The epidemiology of virus transmission by plasma derivatives: clinical studies verifying the lack of transmission of hepatitis B and C viruses and HIV type 1. Transfusion 1999;39:1160-68.

20  Van Holten RW, Ciavarella D, Oulundsen G, Harmon F, Riester S. Incorporation of an additional viral-clearance step into a human immunoglobulin manufacturing process. Vox Sang 2002;83:227-33.

21  Watanabe KK, Busch MP, Schreiber GB, Zuck TF. Evaluation of the safety of Rh Immunoglobulin by monitoring viral markers among Rh-negative female blood donors. Vox Sang 2000;8:1-6.

22  Crispen J. Immunosuppression of small quantities of Rh-positive blood with MICRhoGAM in Rh-negative male volunteers. In: Proceedings of a symposium on Rh antibody mediated immunosuppression. Raritan, NJ: Ortho Research Institute of Medical Sciences, 1975:51-54.

23  Bowman JM, Chown B, Lewis M, Pollock JM. Rh isoimmunization during pregnancy: antenatal prophylaxis. Can Med Assoc J 1978;118:623-27.

24  Bowman JM, Pollock JM. Antenatal prophylaxis of Rh isoimmunization: 28-weeks' gestation service program. Can Med Assoc J 1978;118:627-30.

25  Stewart FH, Burnhill MS, Bozorgi N. Reduced dose of Rh immunoglobulin following first trimester pregnancy termination. Obstet Gynecol 1978;51:318-22.

26  Pollack W, Gorman JG, Freda VJ, Ascari WQ, Allen AE, Baker WJ. Results of clinical trials of RhoGAM in women. Transfusion 1968;8:151-53.

27  Freda VJ, Gorman JG, Pollack W, Bowe E. Prevention of Rh hemolytic disease - ten years' clinical experience with Rh immune globulin. New Engl J Med 1975; 292:1014-16.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

RhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(300 µg Rho(D) Immune Globulin [Human]) (1500 IU)
MICRhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(50µg Rho(D) Immune Globulin [Human]) (250 IU)

For Intramuscular Injection Only
Prefilled syringes, preservative-free (thimerosal free), latex-free delivery system

DRUG DESCRIPTION

RhoGAM and MICRhoGAM Rho(D) Immune Globulin (Human) are sterile solutions containing immunoglobulin G (IgG) anti-D (anti-Rh) for use in preventing Rh immunization. They are manufactured from human plasma containing anti-D. A single dose of RhoGAM contains sufficient anti-D (300 µg or 1500 IU) to suppress the immune response to up to 15 mL of Rh-positive red blood cells.4,15 A single dose of MICRhoGAM contains sufficient anti-D (50 µg or 250 IU) to suppress the immune response to up to 2.5 mL of Rh-positive red blood cells. The anti-D dose is measured by comparison to the RhoGAM in-house reference standard, the potency of which is established relative to the U.S./World Health Organization/European Pharmacopoeia Standard Anti-D Immunoglobulin Rho(D) Immune Globulin (Human) CBER Lot 4: NIBSC Lot 01/572 (285 IU/ampoule).16

Plasma for RhoGAM is typically sourced from a donor center owned and operated by Ortho-Clinical Diagnostics. All donors are carefully screened by history and laboratory testing to reduce the risk of transmitting blood-borne pathogens from infected donors. Each plasma donation is tested and found to be non-reactive for the presence of hepatitis B surface antigen (HBsAg) and antibodies to hepatitis C (HCV) and human immunodeficiency viruses (HIV) 1 and 2. Additionally, plasma is tested by FDA licensed Nucleic Acid Testing (NAT) for HCV and HIV-1 and the results must be negative. Plasma is also tested by investigational NAT for hepatitis B (HBV) and must be non-reactive. However, the significance of a negative result has not been established. Plasma is tested by NAT for hepatitis A virus and parvovirus B19.

Fractionation of the plasma is performed by a modification of the cold alcohol procedure that has been shown to significantly lower viral titers.10 Following plasma fractionation, a viral clearance filtration step and a viral inactivation step are performed. The viral filtration step removes viruses via a size-exclusion mechanism utilizing a patented Viresolve 180 ultrafiltration membrane with defined pore-size distribution of 12-18 nanometers to remove enveloped and non-enveloped viruses. Following viral filtration, quality control tests (CorrTest and diffusion test) are performed on the Viresolve 180 ultrafiltration membrane to insure filter integrity.17 The viral inactivation step utilizes Triton X-100 and tri-n-butyl phosphate (TNBP) to inactivate enveloped viruses such as HCV, HIV and West Nile Virus (WNV)10,18 (Patent Pending).

The donor selection process, the fractionation process, the viral filtration step and the viral inactivation process increase product safety by reducing the risk of transmission of enveloped and non-enveloped viruses. Rho(D) Immune Globulin (Human) intended for intramuscular use and prepared by cold alcohol fractionation has not been shown to transmit hepatitis or other infectious diseases.19 There have been no documented cases of infectious disease transmission by RhoGAM or MICRhoGAM.

Laboratory spiking studies10,20 have shown that the cumulative viral removal and inactivation capability of the RhoGAM / MICRhoGAM manufacturing process is as follows:

Virus HIV BVDV PRV PPV EMC WNV HAV
Lipid Enveloped Yes Yes Yes No No Yes No
Size (nm) 80-120 40-70 120-200 18-24 25-30 40-60 27-32
Genome SS-RNA SS-RNA DS-DNA SS-DNA SS-RNA SS-RNA SS-RNA
Fractionation > 7.98 7.29 > 11.74 8.30 ND ND ND
Viral Filtration > 5.60 5.40 > 6.20 3.30 4.16 ND > 5.07
Viral Inactivation > 4.28 > 4.90 > 5.58 N/A N/A > 7.05 N/A
Total Viral Reduction > 17.86 > 17.59 > 23.52 11.60 4.16 > 7.05 > 5.07
Units = log10 reduction
HIV       Human Immunodeficiency Virus, Model for HIV-1 and 2 and Human T-cell Lymphotropic Virus (HTLV) 1 and 2
BVDV    Bovine Viral Diarrhea Virus, Model for Hepatitis C Virus
PRV      Pseudorabies Virus, Model for Herpes Viruses
PPV      Porcine Parvovirus, Model for Parvovirus B19
EMC     Encephalomyocarditis Virus, Model for Hepatitis A Virus
WNV     West Nile Virus
HAV      Hepatitis A Virus
ND        Not Determined
N/A       Not Applicable

The safety of Rho(D) Immune Globulin (Human) has been further shown in an empirical study of viral marker rates in female blood donors in the United States.21 This study revealed that Rh-negative donors, of whom an estimated 55-60% had received Rho(D) Immune Globulin (Human) for pregnancy-related indications, had prevalence and incidence viral marker rates similar to those of Rh-positive female donors who had not received Rho(D) Immune Globulin (Human).

The final product contains 5 ± 1% IgG, 2.9 mg/mL sodium chloride, 0.01% Polysorbate 80 (non-animal derived) and 15 mg/mL glycine. Small amounts of IgA, typically less than > 15 µg per dose, are present.10 The pH range is 6.20 - 6.55 and IgG purity is 98%. The product contains no added human serum albumin (HSA), no thimerosal or other preservatives and utilizes a latex-free delivery system.

REFERENCES

4  Pollack W, Ascari WQ, Crispen JF, O'Connor RR, Ho TY. Studies on Rh prophylaxis. II. Rh immune prophylaxis after transfusion with Rh-positive blood. Transfusion 1971;11:340-44.

15  Pollack W, Ascari WQ, Kochesky RJ, O'Connor RR, Ho T Y, Tripodi D. Studies on Rh prophylaxis. I. Relationship between doses of anti-Rh and size of antigenic stimulus. Transfusion 1971;11:333-39.

16  Thorpe SJ, Sands D, Fox B, Behr-Gross ME, Schaffner G, Yu MW. A global standard for anti-D immunoglobulin: international collaborative study to evaluate a candidate preparation. Vox Sang 2003;85:313-21.

17  Phillips MW, DiLeo AJ. A Validatible Porosimetric Technique for verifying the integrity of virus-retentive membranes. Biologicals 1996;24:243-53.

18  Horowitz B, Wiebe ME, Lippin A, Stryker MH. Inactivation of viruses in labile blood derivatives. I. Disruption of lipid-enveloped viruses by tri (n-butyl) phosphate detergent combinations. Transfusion 1985; 25(6):516-22.

19  Tabor E. The epidemiology of virus transmission by plasma derivatives: clinical studies verifying the lack of transmission of hepatitis B and C viruses and HIV type 1. Transfusion 1999;39:1160-68.

20  Van Holten RW, Ciavarella D, Oulundsen G, Harmon F, Riester S. Incorporation of an additional viral-clearance step into a human immunoglobulin manufacturing process. Vox Sang 2002;83:227-33.

21  Watanabe KK, Busch MP, Schreiber GB, Zuck TF. Evaluation of the safety of Rh Immunoglobulin by monitoring viral markers among Rh-negative female blood donors. Vox Sang 2000;8:1-6.

22  Crispen J. Immunosuppression of small quantities of Rh-positive blood with MICRhoGAM in Rh-negative male volunteers. In: Proceedings of a symposium on Rh antibody mediated immunosuppression. Raritan, NJ: Ortho Research Institute of Medical Sciences, 1975:51-54.

23  Bowman JM, Chown B, Lewis M, Pollock JM. Rh isoimmunization during pregnancy: antenatal prophylaxis. Can Med Assoc J 1978;118:623-27.

24  Bowman JM, Pollock JM. Antenatal prophylaxis of Rh isoimmunization: 28-weeks' gestation service program. Can Med Assoc J 1978;118:627-30.

25  Stewart FH, Burnhill MS, Bozorgi N. Reduced dose of Rh immunoglobulin following first trimester pregnancy termination. Obstet Gynecol 1978;51:318-22.

26  Pollack W, Gorman JG, Freda VJ, Ascari WQ, Allen AE, Baker WJ. Results of clinical trials of RhoGAM in women. Transfusion 1968;8:151-53.

27  Freda VJ, Gorman JG, Pollack W, Bowe E. Prevention of Rh hemolytic disease - ten years' clinical experience with Rh immune globulin. New Engl J Med 1975; 292:1014-16.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

RhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(300 µg Rho(D) Immune Globulin [Human]) (1500 IU)
MICRhoGAM® Ultra-Filtered PLUS (rhod immune globulin human)
(50µg Rho(D) Immune Globulin [Human]) (250 IU)

For Intramuscular Injection Only
Prefilled syringes, preservative-free (thimerosal free), latex-free delivery system

DRUG DESCRIPTION

RhoGAM and MICRhoGAM Rho(D) Immune Globulin (Human) are sterile solutions containing immunoglobulin G (IgG) anti-D (anti-Rh) for use in preventing Rh immunization. They are manufactured from human plasma containing anti-D. A single dose of RhoGAM contains sufficient anti-D (300 µg or 1500 IU) to suppress the immune response to up to 15 mL of Rh-positive red blood cells.4,15 A single dose of MICRhoGAM contains sufficient anti-D (50 µg or 250 IU) to suppress the immune response to up to 2.5 mL of Rh-positive red blood cells. The anti-D dose is measured by comparison to the RhoGAM in-house reference standard, the potency of which is established relative to the U.S./World Health Organization/European Pharmacopoeia Standard Anti-D Immunoglobulin Rho(D) Immune Globulin (Human) CBER Lot 4: NIBSC Lot 01/572 (285 IU/ampoule).16

Plasma for RhoGAM is typically sourced from a donor center owned and operated by Ortho-Clinical Diagnostics. All donors are carefully screened by history and laboratory testing to reduce the risk of transmitting blood-borne pathogens from infected donors. Each plasma donation is tested and found to be non-reactive for the presence of hepatitis B surface antigen (HBsAg) and antibodies to hepatitis C (HCV) and human immunodeficiency viruses (HIV) 1 and 2. Additionally, plasma is tested by FDA licensed Nucleic Acid Testing (NAT) for HCV and HIV-1 and the results must be negative. Plasma is also tested by investigational NAT for hepatitis B (HBV) and must be non-reactive. However, the significance of a negative result has not been established. Plasma is tested by NAT for hepatitis A virus and parvovirus B19.

Fractionation of the plasma is performed by a modification of the cold alcohol procedure that has been shown to significantly lower viral titers.10 Following plasma fractionation, a viral clearance filtration step and a viral inactivation step are performed. The viral filtration step removes viruses via a size-exclusion mechanism utilizing a patented Viresolve 180 ultrafiltration membrane with defined pore-size distribution of 12-18 nanometers to remove enveloped and non-enveloped viruses. Following viral filtration, quality control tests (CorrTest and diffusion test) are performed on the Viresolve 180 ultrafiltration membrane to insure filter integrity.17 The viral inactivation step utilizes Triton X-100 and tri-n-butyl phosphate (TNBP) to inactivate enveloped viruses such as HCV, HIV and West Nile Virus (WNV)10,18 (Patent Pending).

The donor selection process, the fractionation process, the viral filtration step and the viral inactivation process increase product safety by reducing the risk of transmission of enveloped and non-enveloped viruses. Rho(D) Immune Globulin (Human) intended for intramuscular use and prepared by cold alcohol fractionation has not been shown to transmit hepatitis or other infectious diseases.19 There have been no documented cases of infectious disease transmission by RhoGAM or MICRhoGAM.

Laboratory spiking studies10,20 have shown that the cumulative viral removal and inactivation capability of the RhoGAM / MICRhoGAM manufacturing process is as follows:

Virus HIV BVDV PRV PPV EMC WNV HAV
Lipid Enveloped Yes Yes Yes No No Yes No
Size (nm) 80-120 40-70 120-200 18-24 25-30 40-60 27-32
Genome SS-RNA SS-RNA DS-DNA SS-DNA SS-RNA SS-RNA SS-RNA
Fractionation > 7.98 7.29 > 11.74 8.30 ND ND ND
Viral Filtration > 5.60 5.40 > 6.20 3.30 4.16 ND > 5.07
Viral Inactivation > 4.28 > 4.90 > 5.58 N/A N/A > 7.05 N/A
Total Viral Reduction > 17.86 > 17.59 > 23.52 11.60 4.16 > 7.05 > 5.07
Units = log10 reduction
HIV       Human Immunodeficiency Virus, Model for HIV-1 and 2 and Human T-cell Lymphotropic Virus (HTLV) 1 and 2
BVDV    Bovine Viral Diarrhea Virus, Model for Hepatitis C Virus
PRV      Pseudorabies Virus, Model for Herpes Viruses
PPV      Porcine Parvovirus, Model for Parvovirus B19
EMC     Encephalomyocarditis Virus, Model for Hepatitis A Virus
WNV     West Nile Virus
HAV      Hepatitis A Virus
ND        Not Determined
N/A       Not Applicable

The safety of Rho(D) Immune Globulin (Human) has been further shown in an empirical study of viral marker rates in female blood donors in the United States.21 This study revealed that Rh-negative donors, of whom an estimated 55-60% had received Rho(D) Immune Globulin (Human) for pregnancy-related indications, had prevalence and incidence viral marker rates similar to those of Rh-positive female donors who had not received Rho(D) Immune Globulin (Human).

The final product contains 5 ± 1% IgG, 2.9 mg/mL sodium chloride, 0.01% Polysorbate 80 (non-animal derived) and 15 mg/mL glycine. Small amounts of IgA, typically less than > 15 µg per dose, are present.10 The pH range is 6.20 - 6.55 and IgG purity is 98%. The product contains no added human serum albumin (HSA), no thimerosal or other preservatives and utilizes a latex-free delivery system.

REFERENCES

4  Pollack W, Ascari WQ, Crispen JF, O'Connor RR, Ho TY. Studies on Rh prophylaxis. II. Rh immune prophylaxis after transfusion with Rh-positive blood. Transfusion 1971;11:340-44.

15  Pollack W, Ascari WQ, Kochesky RJ, O'Connor RR, Ho T Y, Tripodi D. Studies on Rh prophylaxis. I. Relationship between doses of anti-Rh and size of antigenic stimulus. Transfusion 1971;11:333-39.

16  Thorpe SJ, Sands D, Fox B, Behr-Gross ME, Schaffner G, Yu MW. A global standard for anti-D immunoglobulin: international collaborative study to evaluate a candidate preparation. Vox Sang 2003;85:313-21.

17  Phillips MW, DiLeo AJ. A Validatible Porosimetric Technique for verifying the integrity of virus-retentive membranes. Biologicals 1996;24:243-53.

18  Horowitz B, Wiebe ME, Lippin A, Stryker MH. Inactivation of viruses in labile blood derivatives. I. Disruption of lipid-enveloped viruses by tri (n-butyl) phosphate detergent combinations. Transfusion 1985; 25(6):516-22.

19  Tabor E. The epidemiology of virus transmission by plasma derivatives: clinical studies verifying the lack of transmission of hepatitis B and C viruses and HIV type 1. Transfusion 1999;39:1160-68.

20  Van Holten RW, Ciavarella D, Oulundsen G, Harmon F, Riester S. Incorporation of an additional viral-clearance step into a human immunoglobulin manufacturing process. Vox Sang 2002;83:227-33.

21  Watanabe KK, Busch MP, Schreiber GB, Zuck TF. Evaluation of the safety of Rh Immunoglobulin by monitoring viral markers among Rh-negative female blood donors. Vox Sang 2000;8:1-6.

22  Crispen J. Immunosuppression of small quantities of Rh-positive blood with MICRhoGAM in Rh-negative male volunteers. In: Proceedings of a symposium on Rh antibody mediated immunosuppression. Raritan, NJ: Ortho Research Institute of Medical Sciences, 1975:51-54.

23  Bowman JM, Chown B, Lewis M, Pollock JM. Rh isoimmunization during pregnancy: antenatal prophylaxis. Can Med Assoc J 1978;118:623-27.

24  Bowman JM, Pollock JM. Antenatal prophylaxis of Rh isoimmunization: 28-weeks' gestation service program. Can Med Assoc J 1978;118:627-30.

25  Stewart FH, Burnhill MS, Bozorgi N. Reduced dose of Rh immunoglobulin following first trimester pregnancy termination. Obstet Gynecol 1978;51:318-22.

26  Pollack W, Gorman JG, Freda VJ, Ascari WQ, Allen AE, Baker WJ. Results of clinical trials of RhoGAM in women. Transfusion 1968;8:151-53.

27  Freda VJ, Gorman JG, Pollack W, Bowe E. Prevention of Rh hemolytic disease - ten years' clinical experience with Rh immune globulin. New Engl J Med 1975; 292:1014-16.

Last reviewed on RxList: 5/9/2008
This monograph has been modified to include the generic and brand name in many instances.

Rhogam Ultra-Filtered Plus Patient Information Including Side Effects

Brand Names: HyperRHO S/D Full Dose, HyperRHO S/D Mini Dose, MicRhoGAM Ultra-Filtered Plus, RhoGAM Ultra-Filtered Plus, Rhophylac, WinRho SDF

Generic Name: RHo (D) immune globulin (Pronunciation: ROE D im MYOON GLOB yoo lin)

What is RHo (D) immune globulin (Rhogam Ultra-Filtered Plus)?

RHo (D) immune globulin is a sterilized solution made from human blood. Rh is a substance that most people have in their blood (Rh positive) but some people don't (Rh negative). A person who is Rh negative can be exposed to Rh positive blood through a mismatched blood transfusion or during pregnancy when the baby has the opposite blood type. When this exposure happens, the Rh negative blood will respond by making antibodies that will try to destroy the Rh positive blood cells. This can cause medical problems such as anemia (loss of red blood cells), kidney failure, or shock.

RHo (D) immune globulin is used to prevent an immune response to Rh positive blood in people with an Rh negative blood type. RHo (D) immune globulin may also be used in the treatment of immune thrombocytopenic purpura (ITP).

RHo (D) immune globulin may also be used for purposes not listed in this medication guide.

What are the possible side effects of RHo (D) immune globulin?

Get emergency medical help if you have any of these signs of an allergic reaction: rash or hives; feeling light-headed, chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fever, chills, shaking, back pain, dark colored urine;
  • rapid breathing, feeling short of breath.
  • urinating less than usual or not at all, swelling, rapid weight gain; or
  • pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling light-headed.

Less serious side effects may include:

  • joint or muscle pain;
  • headache, dizziness;
  • feeling weak or tired;
  • mild itching or skin rash;
  • nausea, diarrhea, vomiting, stomach pain; or
  • pain or tenderness where the medicine was injected.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Rhogam Ultra-Filtered Plus (rho(d) immune globulin (human)) Side Effects Center for a complete guide to possible side effects »

What is the most important information I should know about RHo (D) immune globulin?

You should not receive this medication if you have ever had an allergic reaction to an immune globulin or if you have immune globulin A (IgA) deficiency with antibody to IgA. You should not receive RHo (D) immune globulin if you have hemolytic anemia (a lack of red blood cells).

Before you receive this medication, tell your doctor if you have heart disease or a history of coronary artery disease, high triglycerides, a bleeding disorder, or immune globulin A (IgA) deficiency.

If you are an Rh-negative woman and you become pregnant, you must tell your doctor if you have ever been exposed to Rh-positive blood in your lifetime. This includes exposure from a mismatched blood transfusion, or exposure during your first pregnancy. Your history of exposure and treatment will be extremely important to each and every one of your pregnancies.

Call your doctor at once if you have a serious side effect such as fever, chills, shaking, back pain, dark colored urine, rapid breathing, feeling short of breath, urinating less than usual, swelling, rapid weight gain, pale skin, easy bruising or bleeding, rapid heart rate, trouble concentrating, feeling light-headed.

Do not receive a "live" vaccine for at least 3 months after treatment with RHo (D) immune globulin. The vaccine may not work as well during this time, and may not fully protect you from disease. Live vaccines include measles, mumps, rubella (MMR), Bacillus Calmette-Guérin (BCG), oral polio, rotavirus, smallpox, typhoid, yellow fever, varicella (chickenpox), H1N1 influenza, and nasal flu vaccine.

Rhogam Ultra-Filtered Plus Patient Information including How Should I Take

What should I discuss with my healthcare provider before I receive RHo (D) immune globulin?

You should not receive this medication if you have ever had an allergic reaction to an immune globulin or if you have immune globulin A (IgA) deficiency with antibody to IgA. You should not receive RHo (D) immune globulin if you have hemolytic anemia (a lack of red blood cells).

To make sure you can safely receive RHo (D) immune globulin, tell your doctor if you have any of these other conditions:

  • heart disease or a history of coronary artery disease (hardened arteries);
  • high triglycerides (a type of fat in the blood);
  • a bleeding disorder (such as hemophilia); or
  • immune globulin A (IgA) deficiency.

RHo (D) immune globulin is used during and after pregnancy. This medication is not known to be harmful to a baby during pregnancy or while breast-feeding.

If you are receiving this medication to treat a mismatched blood transfusion, tell your doctor if you are pregnant or if you ever plan to become pregnant.

If you are an Rh-negative woman and you become pregnant, you must tell your doctor if you have ever been exposed to Rh-positive blood in your lifetime. This includes exposure from a mismatched blood transfusion, or exposure during your first pregnancy. Your history of exposure and treatment will be extremely important to each and every one of your pregnancies.

RHo (D) immune globulin is made from human plasma (part of the blood) which may contain viruses and other infectious agents. Donated plasma is tested and treated to reduce the risk of it containing infectious agents, but there is still a small possibility it could transmit disease. Talk with your doctor about the risks and benefits of using this medication.

How is RHo (D) immune globulin given?

RHo (D) immune globulin is injected into a muscle or a vein. You will receive this injection in a clinic or hospital setting.

Your breathing, blood pressure, oxygen levels, and other vital signs will be watched closely for at least 8 hours after you receive immune globulin. Your urine will also need to be tested every 2 to 4 hours.

For treatment during pregnancy, this medication is usually given at regular intervals during the last half of the pregnancy, and again after the baby is born.

For treatment of a mismatched blood transfusion, the medication is given when symptoms of an immune response appear (when the body starts making Rh antibodies).

To be sure this medicine is helping your condition, your blood will need to be tested often. Your liver and kidney function may also need to be tested. Visit your doctor regularly.

This medication can cause false results with certain lab tests for glucose (sugar) in the blood. Tell any doctor who treats you that you are using RHo (D) immune globulin.

Rhogam Ultra-Filtered Plus Patient Information including If I Miss a Dose

What happens if I miss a dose?

Call your doctor for instructions if you miss an appointment for your RHo (D) immune globulin injection.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while receiving RHo (D) immune globulin?

Do not receive a "live" vaccine for at least 3 months after treatment with RHo (D) immune globulin. The vaccine may not work as well during this time, and may not fully protect you from disease. Live vaccines include measles, mumps, rubella (MMR), Bacillus Calmette-Guérin (BCG), oral polio, rotavirus, smallpox, typhoid, yellow fever, varicella (chickenpox), H1N1 influenza, and nasal flu vaccine.

What other drugs will affect RHo (D) immune globulin?

There may be other drugs that can interact with RHo (D) immune globulin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your doctor or pharmacist can provide more information about RHo (D) immune globulin.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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