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Drug reference

pacritinib

JAK2 inhibitor · Immunosuppressant

JAK2 inhibitorImmunosuppressant
CDSCO approved
EXCRETION
not curated
INTERACTIONS
none in our sources
PREGNANCY
not curated

Mechanism

Not yet extracted

Indications

myelofibrosisrheumatoid arthritispsoriatic arthritisulcerative colitispolycythemia veragvhdankylosing spondyloarthritisallergic dermatitisatopic dermatitis

Contraindications

  • patients at high risk of pulmonary embolism
  • nonuse during breastfeeding
  • concurrent use of live vaccines

Side effects

Common
thrombocytopeniaanemianeutropeniaincreased risk of infections (upper respiratory, sinus, common cold, hepatitis c virus)
Serious
  • increased risk of serious bacterial, fungal, viral, and opportunistic infections leading to hospitalization or death
  • higher rate of all-cause mortality, including sudden cardiovascular death
  • higher rate of certain cancers
  • higher rate of thrombosis, cardiovascular death, myocardial infarction, and stroke

Related guidelines

Other JAK2 inhibitor drugs

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