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VORAXAZE (glucarpidase) is a carboxypeptidase produced by recombinant DNA technology in genetically modified Escherichia coli. Glucarpidase is a 390-amino acid homodimer protein with a molecular weight of 83 kDa. Each potency Unit corresponds to the enzymatic cleavage of 1 µmol/L of methotrexate per minute at 37°C.

VORAXAZE is supplied as a sterile, preservative-free, white lyophilized powder in single-use vials. Each vial contains 1,000 Units of glucarpidase, lactose monohydrate (10 mg), Tris-HCl (0.6 mg) and zinc acetate dihydrate (0.002 mg).

Last reviewed on RxList: 2/1/2012
This monograph has been modified to include the generic and brand name in many instances.