TOKYO and NEW YORK, NY., Jan 13, 2026 - (JCN Newswire via SeaPRwire.com) - Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, “Eisai”), a human-centered global leading research-based pharmaceutical company working in the neurology and oncology therapeutic areas, and Nuvation Bio Inc. (NYSE: NUVB, Corporate Headquarters: New York, NY, CEO: David Hung, M.D., “Nuvation Bio”), a global oncology company focused on tackling some of the toughest challenges in cancer treatment, today announced an exclusive license and collaboration agreement that significantly expands the long-term global footprint of taletrectinib (generic name, marketed as IBTROZI® in the U.S. and Japan). Taletrectinib is a highly selective, next-generation oral treatment currently approved for patients living with advanced ROS1-positive (ROS1+) non-small cell lung cancer (NSCLC) in the U.S., China, and Japan. Eisai will now have exclusive development, registration and commercialization rights for taletrectinib for the treatment of ROS1+ NSCLC in Europe, the Middle East, North Africa, Russia, Turkey, Canada, Australia, New Zealand, Singapore, the Philippines, Indonesia, Thailand, Mal...