Last reviewed · How we verify

placebo, fostamatinib

AstraZeneca · Phase 3 active Small molecule

Fostamatinib is a spleen tyrosine kinase (Syk) inhibitor.

Fostamatinib is a spleen tyrosine kinase (Syk) inhibitor. Used for Chronic immune thrombocytopenia (cITP).

At a glance

Generic nameplacebo, fostamatinib
SponsorAstraZeneca
Drug classSyk inhibitor
TargetSyk
ModalitySmall molecule
Therapeutic areaImmunology
PhasePhase 3

Mechanism of action

Fostamatinib works by selectively inhibiting Syk, a key enzyme involved in the activation of immune cells. This inhibition leads to a reduction in the production of pro-inflammatory cytokines and mediators, resulting in anti-inflammatory effects.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results