G1 Therapeutics, Inc.

Pharmacosmos Holding A/s

Andrew Beelen

Jay Copeland Strum

John Emerson Bisi

Jessica A Sorrentino

A G1T38 human oral dosage regime that provides a (mean AUC(0-24),ss (h*ng/mL))/(dose (mg)) ratio of less than 5 and/or a (mean AUC(0-24),ss (h*ng/mL))/(Absolute Neutrophil Count (cells/mm3)) ratio on day 22 of dosing of not greater than 1.25.

G1T38 superior dosage regimes

The present invention provides methods for treating a EGFR-mutant cancer in a patient by administering a selective CDK4/6 inhibitor described herein in combination or alternation with an EGFR-TKI to delay or reverse acquired resistance to previously administered EGFR-TKIs. In addition, methods for treating a EGFR-mutant cancer in a patient by administering a selective CDK4/6 inhibitor described herein in combination or alternation with an EGFR-TKI are provided wherein an intrinsically EGFR-TKI resistant EGFR-mutant cancer is sensitized to the effects of the EGFR-TKI.

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Research Triangle Park, NC, United States of America

Andrew Beelen