A Phase 2 Master Protocol to assess the efficacy and safety of FORE8394, an inhibitor of BRAF Class 1 and Class 2 alterations, in participants with cancer harboring BRAF alterations

The purpose of this study is to test the safety of Plixorafenib and how well your disease responds to the study treatment. Plixorafenib has not been approved by the Food and Drug Administration (FDA). Your study treatment may or may not include a drug called Cobicistat. Cobicistat is approved by FDA but is not FDA approved in combination with plixorafenib.

Are you Eligible? (Inclusion Criteria)

• Must be 18 years old or older - Ability to swallow and retain medication - Must not have known sensitivity to Plixorafenib and Cobicistat