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Pfizer’s Latest Palbociclib Data Could Mean Slimmer Lead Over CDK4/6 Rivals

Executive Summary

Final Phase II data for palbociclib in breast cancer at AACR meeting raise questions about prospects for accelerated approval prior to Phase III results. Meanwhile, Lilly’s bemaciclib emerges as potent monotherapy with seemingly lower risk for neutropenia, but more data are needed to flesh out the drug’s profile.

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