Kelun-Biotech subsidiary of Sichuan Kelun Pharmaceutical Co., Ltd), a clinical-stage biotech company focused on biologic and small molecule discovery and development, announced today that it has entered into a collaboration and exclusive license agreement with MSD (the tradename of Merck & Co., Inc Rahway NJ USA), to develop an investigational antibody drug conjugate (ADC) for the treatment of solid tumors. Under the terms of the agreement, Kelun-Biotech has granted MSD global, exclusive rights to develop, manufacture and commercialize an investigational ADC. Kelun-Biotech and MSD will also collaborate on the early clinical development of the investigational ADC. In return, Kelun-Biotech will receive an upfront payment of $35mm and is eligible to receive future development, approval and commercial milestone payments totaling up to $901mm, plus tiered royalties on net sales. This latest transaction follows MSD