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Immune Globulin (Human)
- Patient Information:
Immune Globulin (Human) — BayGam™ (immune globulin) treated with solvent/detergent is a sterile solution of immune globulin for intramuscular administration; it contains no preservative. BayGam is prepared by cold ethanol fractionation from human plasma. The immune globulin is isolated from solubilized Cohn fraction II. The fraction II solution is adjusted to a final concentration of 0.3% tri-n-butyl phosphate (TNBP) and 0.2% sodium cholate. After the addition of solvent (TNBP) and detergent (sodium cholate), the solution is heated to 30°C and maintained at that temperature for not less than 6 hours. After the viral inactivation step, the reactants are removed by precipitation, filtration and finally ultrafiltration and diafiltra-tion. BayGam (immune globulin) is formulated as a 15–18% protein solution at a pH of 6.4–7.2 in 0.21–0.32 M glycine. BayGam (immune globulin) is then incubated in the final container for 21–28 days at 20–27°C.
The removal and inactivation of spiked model enveloped and non-enveloped viruses during the manufacturing process for BayGam (immune globulin) has been validated in laboratory studies. Human Immunodeficiency Virus, Type 1 (HIV-1), was chosen as the relevant virus for blood products; Bovine Viral Diarrhea Virus (BVDV) was chosen to model Hepatitis C virus; Pseudorabies virus (PRV) was chosen to model Hepatitis B virus and the Herpes viruses; and Reo virus type 3 (Reo) was chosen to model non-enveloped viruses and for its resistance to physical and chemical inactivation. Significant removal of model enveloped and non-enveloped viruses is achieved at two steps in the Cohn fractionation process leading to the collection of Cohn Fraction II:the precipitation and removal of Fraction III in the processing of Fraction II + IIIW suspension to Effluent IIIand the filtration step in the processing of Effluent III to Filtrate III. Significant inactivation of enveloped viruses is achieved at the time of treatment of solubilized Cohn Fraction II with TNBP/sodium cholate.
What are the precautions when taking immune globulin (Baygam)?
Before using this medication, tell your doctor or pharmacist if you have had a bad or allergic reaction to it; or to other immunoglobulin products (e.g., IVIG); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: a certain immune system problem (immunoglobulin A deficiency), bleeding/blood clotting problems (e.g., low platelets, hemophilia).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease.
Tell your doctor of any recent/planned...
Last reviewed on RxList: 11/13/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Baygam Information
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