SAN FRANCISCO, Feb. 17, 2021 /PRNewswire/ -- Nektar Therapeutics (NASDAQ: NKTR) announced today that it has entered into a clinical trial collaboration and supply agreement with Merck (known as MSD outside the United States and Canada) for a Phase 2/3 study of bempegaldesleukin (NKTR-214, BEMPEG), Nektar's investigational IL-2 pathway agent, in combination with Merck's KEYTRUDA® (pembrolizumab) for first-line treatment of patients with metastatic or unresectable recurrent squamous cell carcinoma of the head and neck (SCCHN) whose tumors express PD-L1 (Combined Positive Score [CPS] 1).  The study is planned to start in the second half of 2021.
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