Eisai Co., Ltd.’s partnership with Bristol Myers Squibb Company on the antibody-drug conjugate farletuzumab ecteribulin (FZEC) appears to be a casualty of Bristol’s R&D prioritization program. Eisai announced the end of the three-year partnership on FZEC, formerly known as MORAb-202, on 1 July and said it plans to accelerate development of the product and conduct development and commercialization independently.
Key Takeaways
- Eisai plans to accelerate development of farletuzumab ecteribulin after regaining full rights from Bristol Myers Squibb.
Bristol paid handsomely for rights to co-develop and co-commercialize FZEC in regions including the US, Europe and Asia in 2021....








