Drug Profile


Alternative Names: FosD; Fostamatinib disodium; Fostamatinib sodium; R 985788; R-406/788; R-788; R-935/788; R788 sodium; R935788 sodium; Tamatinib fosdium; Tavalisse

Latest Information Update: 20 May 2017

Price : $50

At a glance

  • Originator Rigel Pharmaceuticals
  • Developer AstraZeneca; Duke University Medical Center; Rigel Pharmaceuticals
  • Class Anti-inflammatories; Antianaemics; Antirheumatics; Oxazines; Phosphoric acid esters; Pyridines; Pyrimidines; Small molecules
  • Mechanism of Action B cell inhibitors; Syk kinase inhibitors
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    Yes - Immune thrombocytopenic purpura
  • New Molecular Entity Yes
  • Available For Licensing Yes

Highest Development Phases

  • Preregistration Immune thrombocytopenic purpura
  • Phase II Autoimmune haemolytic anaemia; IgA nephropathy
  • Phase I Graft-versus-host disease
  • Discontinued Chronic lymphocytic leukaemia; Diffuse large B cell lymphoma; Rheumatoid arthritis; Solid tumours; Systemic lupus erythematosus; T cell lymphoma; Type 1 diabetes mellitus

Most Recent Events

  • 27 Apr 2017 Rigel Pharmaceuticals applies for federal registration of Tavalisse™ mark with US Patent and Trademark Office for fostamatinib in USA
  • 17 Apr 2017 Preregistration for Immune thrombocytopenic purpura in USA (PO)
  • 17 Apr 2017 Rigel Pharmaceuticals expects to receives notification regarding the NDA acceptance from the FDA for fostamatinib in Immune thrombocytopenic purpura, by June 2017
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