Drug2nd line

Cladribine (2-CdA)

Purine nucleoside analog — cytoreductive chemotherapy

Response rate
50-60% in advanced SM
Onset
Weeks–months
Route
IV 5mg/m2 daily x5 days, every 4-8 weeks
Line
2nd
IgM effect
N/A
Evidence level
amber

Evidence summary

Cytoreductive purine analog with significant activity against monocytic lineage cells that share a common progenitor with mast cells. Used in advanced SM when KIT inhibitors are insufficient. Major limitations include myelosuppression and immunosuppression. May be combined with other agents.

Drug identifiers

DrugBankDB00242
ATC CodeL01BB04