Oncaspar

Pegaspargase
Clinical data
AHFS/Drugs.com	Monograph
MedlinePlus	a695031
Pregnancy category	US: C (Risk not ruled out)
ATC code	L01XX24 (WHO)
Legal status
Legal status	US: ℞-only
Identifiers
IUPAC name Pegylated E. coli L-asparagine amidohydrolase
CAS Number	130167-69-0^Y
DrugBank	DB00059^Y
ChemSpider	none
UNII	7D96IR0PPM
Chemical and physical data
Formula	C₁₃₇₇H₂₂₀₈N₃₈₂O₄₄₂S₁₇
Molar mass	31731.9 g/mol
^NY (what is this?)

Pegaspargase /pəˈɡæspərɡeɪz/, trade name Oncaspar, is a modified enzyme used as an antineoplastic agent. It is a form of L-asparaginase which has undergone PEGylation. The drug is manufactured by Exelead, Inc.

It is used in the treatment of acute lymphoblastic leukemia.