Peak levels of immunoglobulin G are obtained approximately 2 days after intramuscular injection of BayGam. ¹ The half-life of IgG in the circulation of individuals with normal IgG levels is 23 days. ²

Passive immunization with BayGam modifies hepatitis A, prevents or modifies measles, and provides replacement therapy in persons with hypogammaglobulinemia or agammaglobulinemia. BayGam is not standardized with respect to antibody titers against hepatitis B surface antigen (HBsAg) and should not be used for prophylaxis of viral hepatitis type B. Prophylactic treatment to prevent hepatitis B can best be accomplished with use of Heptitis B Immune Globulin (Human), often in combination with Hepatitis B Vaccine. ³

BayGam may be of benefit in women who have been exposed to rubella in the first trimester of pregnancy and who will not consider a therapeutic abortion. ⁴ BayGam may also be considered for use in immunocompromised patients for passive immunization against varicella if Varicella-Zoster Immune Globulin (Human) is not available. ⁵

Immune Globulin (Human) is not indicated for routine prophylaxis or treatment of rubella, poliomyelitis, mumps, or varicella. It is not indicated for allergy or asthma in patients who have normal levels of immunoglobulin. ⁶

In a clinical study in eight healthy human adults receiving another hyperimmune immune globulin product treated with solvent/detergent, Rabies Immune Globulin (Human), BayRab™, prepared by the same manufacturing process, detectable passive antibody titers were observed in the serum of all subjects by 24 hours post injection and persisted through the 21 day study period. These results suggest that passive immunization with immune globulin products is not affected by the solvent/detergent treatment.

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