Zadaxin

ZADAXIN®
Thymosin Alpha 1, Injection (thymalfasin)

DRUG DESCRIPTION

ZADAXIN™ thymosin alpha 1 (thymalfasin) for subcutaneous injection is a purified sterile lyophilized preparation of chemically synthesized thymosin alpha 1 identical to human thymosin alpha 1. Thymosin alpha 1 is an acetylated polypeptide with the following sequence: Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn-OH,and having a molecular weight of 3,108 daltons. The lyophilized preparation contains 1.6 mg thymosin alpha 1, 50 mg mannitol, and sodium phosphate buffer to adjust the pH to 6.8.

Product for Injection: Prior to administration, the lyophilized powder is to be reconstituted with 1 ml of the provided diluent (sterile water for injection). After reconstitution, the final concentration of ZADAXIN (thymalfasin) is 1.6 mg/ml.

Last reviewed on RxList: 3/3/2009
This monograph has been modified to include the generic and brand name in many instances.

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