Wednesday, July 8, 2026

Drug profile · INN

fostamatinib disodium

fostamatinib disodium (TAVALISSE) is a tyrosine-protein kinase syk inhibitor. Associated with RIGEL PHARMACEUTICALS INC. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 20
Pipeline programs 12
News articles 0
Drug details — fostamatinib disodium
US status
approved
Class
Route
ORAL
Patents
20
Programs
12
Data quality
0.89

Quick answer

fostamatinib disodium (TAVALISSE) is a tyrosine-protein kinase syk inhibitor. Associated with RIGEL PHARMACEUTICALS INC. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN fostamatinib disodium
Brand TAVALISSE
Mechanism Tyrosine-protein kinase SYK inhibitor
Target Tyrosine-protein kinase SYK
Route ORAL
Formulation TABLET

Mechanism of action

Tyrosine-protein kinase SYK inhibitor

Primary target: Tyrosine-protein kinase SYK

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. Fostamatinib Phase 3 · RIGEL PHARMACEUTICALS · Covid19
  2. Fostamatinib disodium Phase 3 · RIGEL PHARMACEUTICALS · Immune Thrombocytopenic Purpura
  3. Fostamatinib disodium Phase 3 · RIGEL PHARMACEUTICALS · Warm Antibody Autoimmune Hemolytic Anemia
  4. Fostamatinib Phase 2 · RIGEL PHARMACEUTICALS · Hidradenitis Suppurativa
  5. Fostamatinib Phase 2 · RIGEL PHARMACEUTICALS · Myelofibrosis
  6. Fostamatinib Disodium Phase 2 · RIGEL PHARMACEUTICALS · T Cell Lymphoma
  7. Fostamatinib Disodium (R935788) Phase 2 · RIGEL PHARMACEUTICALS · Systemic Lupus Erythematosus
  8. Fostamatinib Disodium / R935788 Phase 2 · RIGEL PHARMACEUTICALS · Purpura, Thrombocytopenic, Idiopathic

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Frequently asked questions

What is fostamatinib disodium?

fostamatinib disodium (TAVALISSE) is a tyrosine-protein kinase syk inhibitor. Associated with RIGEL PHARMACEUTICALS INC. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for fostamatinib disodium?

TAVALISSE is a marketed brand name for fostamatinib disodium. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of fostamatinib disodium?

fostamatinib disodium has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.