Regeneron’s Oncology Strategy Gets Warmer With Early Prostate Data

Company Posts Solid Q2 Sales Despite REGEN-COV Drop

The costimulatory bispecific antibody REGN5678, meant to turn “cold” prostate cancer tumors “hot” and vulnerable to PD-1 inhibitors, showed early signs of efficacy combined with Libtayo.

Regeneron reported its Q2 earnings and early data from a bispecific antibody trial • Source: Shutterstock

Fresh off its acquisition of full rights to the PD-1 checkpoint inhibitor Libtayo (cemiplimab), Regeneron Pharmaceuticals, Inc. released early data for a costimulatory bispecific antibody that could make certain patients with prostate cancer more amenable to treatment with immunotherapy, and represent an important step for its overall strategy to expand its oncology business.

The drug maker announced the Phase I/II trial data for REGN5678 in advanced metastatic castration-resistant prostate cancer (mCRPC) on 3...

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