Sesen Bio
Acquisition in 2022
Sesen Bio, Inc. is a late-stage clinical company focused on developing targeted fusion protein therapeutics for cancer treatment. The company's lead product candidate, Vicinium, is a locally-administered therapy designed for high-risk non-muscle invasive bladder cancer and is currently in phase 3 clinical trials. Another candidate, VB6-845d, aims to treat various EpCAM-positive solid tumors. Additionally, Sesen Bio is exploring combinations of Vicinium with other treatments, including Durvalumab for high-risk non-muscle invasive bladder cancer, and with AstraZeneca's checkpoint inhibitor for squamous cell carcinoma of the head and neck. The company has also partnered with Leiden University Medical Center to co-develop an imaging agent. Founded in 2008 and headquartered in Cambridge, Massachusetts, Sesen Bio was previously known as Eleven Biotherapeutics, Inc. before rebranding in May 2018.
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