China's ZAI Lab Ltd. has decided to return its rights to Hanmi Pharmaceutical Co. Ltd.'s novel third-generation epidermal growth factor receptor (EGFR), mutation-specific tyrosine kinase inhibitor (TKI) olmutinib (HM61713), due to a change in its new drug development strategy, said the leading South Korean pharma firm.
This is another blow for olmutinib, which had already suffered Boehringer Ingelheim GMBH’s cancellation of its licensing agreement in...