Kissei Pharmaceutical rolled out Tavalisse (fostamatinib), an oral spleen tyrosine kinase (SYK) inhibitor licensed from Rigel Pharmaceuticals, for the treatment of chronic immune thrombocytopenic purpura (ITP) in Japan on April 6. The Japanese company acquired the development and commercialization rights…
To read the full story
Related Article
- Tavalisse Now Available in South Korea for Chronic ITP: Kissei
July 2, 2025
- ITP Drug Tavalisse Approved in South Korea: Kissei
January 22, 2025
- Mitsubishi Tanabe Gets Taiwan Rights for Rigel/Kissei’s ITP Drug
January 8, 2025
- Kissei Snares Rigel’s AML Therapy in Japan, Korea, Taiwan
September 5, 2024
- Kissei Files Fostamatinib, Orphan Drug for ITP, in Japan
April 28, 2022
BUSINESS
- Leqembi FY2025 Global Sales Reach 88 Billion Yen: Eisai
May 1, 2026
- Rohto Files CMV Corneal Endotheliitis Drug in Japan
May 1, 2026
- Mochida Files in Japan for PAH Drug Tyvaso DPI
May 1, 2026
- Tanabe Clinches EU Approval for Parkinson’s Drug Onerji
May 1, 2026
- 3D “Deeply Disappointed” by Toho Plan to Seek Defense Trigger Approval
May 1, 2026
In the complex landscape of the Japanese pharmaceutical market, the “status quo” is often the safest harbor. But for leaders like Kennet Brysting, former president of Gilead Japan, the status quo is the most dangerous place to stay.Innovation in Japan…





