A Plea For Patience: Bristol/Nektar's Opdivo/NKTR-214 Combo Responses Deepen Over Time

The cancer immunotherapy combo showed "remarkable" effects in patients who tested negative for PD-L1 expression and would normally not respond well to immunotherapy. 

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The combination of Bristol-Myers Squibb Co.'s PD-1 inhibitor Opdivo with Nektar Therapeutics's IL-2 agent NKTR-214 yielded deepening responses over time and demonstrated signs of being able to turn immunologically "cold" tumors "hot" – making them susceptible to immuno-oncology approaches, specialists reported at the American Society of Clinical Oncology (ASCO) annual meeting June 2.

Bristol and Nektar have been partnered since February on NKTR-214's development in nine tumor types and 20 indications, under a massive development deal signed in February worth $1.85bn

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