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Asparaginase

Antineoplastic · Antileukemic agent

AntineoplasticAntileukemic agent
CDSCO approvedSchedule H
EXCRETION
not curated
INTERACTIONS
none in our sources
PREGNANCY
not curated

Mechanism

Asparaginase is an enzyme which acts by breaking down L-asparagine to aspartic acid and ammonia. This disrupts protein synthesis of tumour cells.

Indications

Acute lymphoblastic leukaemia (in combination with other antineoplastic drugs) (specialist use only)ALL

Dosing

Adult
5000 units/m2 every 3 days (by intravenous infusion)
Renal adjustment
Consider dose reduction in renal impairment.

Contraindications

  • History of pancreatitis related to asparaginase therapy
  • History of serious haemorrhage related to asparaginase therapy
  • History of serious thrombosis related to asparaginase therapy
  • Pancreatitis
  • Pre-existing known coagulopathy

Side effects

Common
Abdominal painAgitationAnaemiaAngioedemaAppetite decreasedArthralgiaBack painBronchospasmConfusionDepressionDiarrhoeaDizzinessDrowsinessDyspnoeaFatigueFlushingHallucinationHyperglycaemiaHypoalbuminaemiaHypoglycaemiaHypotensionIncreased risk of infectionLeucopeniaNauseaNeurological effectsOedemaSkin reactionsThrombocytopeniaVomitingWeight decreasedHeadache
Serious
  • Pancreatitis
  • Serious haemorrhage
  • Serious thrombosis
  • Hypersensitivity reactions (including life-threatening anaphylaxis)
  • Disseminated intravascular coagulation
  • Embolism and thrombosis
  • Hyperammonaemia
  • Hyperuricaemia
  • Coma
  • Consciousness impaired
  • Diabetic ketoacidosis
  • Hepatic disorders
  • Hyperparathyroidism
  • Hypoparathyroidism
  • Ischaemic stroke
  • hepatic toxicity

Related guidelines

Other Antineoplastic drugs

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Sources: Goodman & Gilman 14e, Katzung, BNF, Nelson·Verified: 2026-05-10 · House clinical team