Incyte, Merck Scrap Combo Melanoma Drug Study

Unfavorable Phase 3 study results have caused Incyte and Merck to stop a Phase 3 study that was evaluating Incyte’s epacadostat in combination with Merck’s Keytruda in patients with unresectable or metastatic melanoma. The companies say that the ECHO-301/KEYNOTE-252 study did not meet the primary endpoint of improving progression-free survival in the overall population compared to Keytruda monotherapy. The study’s second primary endpoint of overall survival also is not expected to reach statistical significance, they add.

 

Epacadostat is an investigational, selective oral inhibitor of the indoleamine 2,3-dioxygenase 1 enzyme. Keytruda is an anti-PD-1 therapy that works by increasing the ability of the body’s immune system to help detect and fight tumor cells.

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