Study of BEBT-607 Tablets in The Treatment of Advanced or Metastatic Solid Tumors With KRAS G12C Mutation

This is a two-phase, multicenter, open phase I clinical study, with phase Ia as dose escalation phase and phase Ib as dose expansion phase, to evaluate the safety tolerability and pharmacokinetic characteristics of BEBT-607 tablets in patients with advanced or metastatic solid tumors associated with KRAS G12C mutation. To evaluate the efficacy of BEBT-607 tablets in the treatment of patients with advanced or metastatic solid tumors with KRAS G12C mutation, and to determine the recommended dose (RP2D) for Phase II clinical trials of BEBT-607 tablets in patients with advanced or metastatic solid tumors with KRAS G12C mutation.