Astellas Pharma Inc.

Japanastellas.com

Astellas Pharma Inc. is a Japanese multinational pharmaceutical company headquartered in Tokyo. Formed in 2005 through the merger of Yamanouchi Pharmaceutical and Fujisawa Pharmaceutical, the company discovers, develops, manufactures, and markets prescription medicines worldwide. Its research focuses on areas such as oncology, urology, immunology, neuroscience, ophthalmology, and rare diseases, with growing activity in advanced modalities including cell and gene therapies.

For the broader chemicals and life sciences ecosystem, Astellas integrates small‑molecule and biologics R&D with process chemistry, formulation development, and CMC disciplines, operating cGMP manufacturing and quality systems across Japan, the Americas, Europe, and Asia. The company participates in global supply chains for active pharmaceutical ingredients and drug products, and advances technologies such as antibody–drug conjugates and gene therapy manufacturing through internal capabilities and partnerships. Its operations emphasize regulatory compliance, pharmacovigilance, and product quality across the development-to-commercialization lifecycle.

Also known as Astellas.

Latest news on Astellas

18 September 2026
Merck wins CHMP positive opinion for KEYTRUDA plus Padcev in resectable MIBC

CHMP recommends approval after KEYNOTE-B15 showed event-free survival, overall survival and pathologic complete response gains; European Commission decision expected Q4 2026.

10 July 2026
Merck: FDA approves KEYTRUDA and KEYTRUDA QLEX with Padcev for perioperative MIBC

FDA clears PD‑1 inhibitor plus antibody‑drug conjugate regimens with enfortumab vedotin as neoadjuvant and adjuvant therapy around cystectomy for adults with muscle‑invasive bladder cancer.

24 June 2026
Merck: EU approves pembrolizumab plus enfortumab vedotin for cisplatin‑ineligible resectable MIBC

First PD‑1 inhibitor plus ADC approved in EU as neoadjuvant then adjuvant therapy for cisplatin‑ineligible resectable muscle‑invasive bladder cancer.

22 May 2026
Merck secures CHMP positive opinion for KEYTRUDA + Padcev in cisplatin‑ineligible resectable MIBC

CHMP backed perioperative regimen for cisplatin‑ineligible resectable MIBC after Phase 3 KEYNOTE‑905 showed significant EFS, OS and pCR gains; EC decision due by Q3 2026; FDA cleared Nov 2025.

20 April 2026
Merck: FDA grants priority review for KEYTRUDA/KEYTRUDA QLEX with Padcev in cisplatin‑eligible MIBC

FDA granted priority review for two sBLAs after Phase 3 KEYNOTE‑B15 showed EFS and OS benefit; PDUFA Aug 17, 2026. If approved, first perioperative options for MIBC regardless of cisplatin eligibility.

17 December 2025
Merck's KEYTRUDA and Padcev Enhance Survival in Cisplatin-Eligible MIBC Patients

KEYTRUDA and Padcev improve survival and response rates in MIBC patients, showing promise as perioperative treatment with consistent safety profiles.

21 November 2025
Merck's KEYTRUDA and Padcev Approved by FDA for Bladder Cancer Treatment

FDA approves first PD-1 inhibitor plus ADC regimens for cisplatin-ineligible muscle-invasive bladder cancer, based on KEYNOTE-905 trial results showing significant EFS improvement.