5.4.2 GamaSTAN | New Zealand Blood Service
Transfusion medicine

Transfusion medicine handbook

The Transfusion Medicine Handbook is designed to assist hospital staff and other health professionals in modern Transfusion Medicine Practice.

5. Fractionated Products

5.4.2 GamaSTAN

GamaSTAN is a sterile, preservative-free solution containing 16.5% protein (mainly as human immune globulin) made from overseas donations [9]. GAMASTAN is provided in 10 mL vials and is intended for intramuscular injection. Do not administer GAMASTAN intravenously.  

It is supplied by NZBS under Section 29, a provision in the Medicines Act 1981, whereby a medical practitioner can prescribe a medicine that is not registered with Medsafe.

Indications for Use

Table 5.11: Clinical Indications for Use of GAMASTAN [9]

GamaSTAN is not indicated for routine prophylaxis or treatment of viral hepatitis type B, rubella, poliomyelitis, mumps or varicella.

 

Dosage and Administration

Table 5.12: Dosage Recommendations for GamaSTAN [9] [10]*Datasheet specifies 0.25 mL/kg for susceptible people; however, the NZBS’ Clinical Advisory Group (July 2025) recommends 0.5 mL/kg due to declining measles antibody levels in populations with widespread immunisation.

Defer live vaccine administration for up to six (6) months.

Observe the recipient for 20 minutes after administration.

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