Study of Divarasib Alone or With Other Treatments in Adults With Untreated Advanced or Metastatic Non-Small Cell Lung Cancer Having KRAS G12C Mutation

What this Trial Is About

Researchers are evaluating the safety, pharmacokinetics, and activity of divarasib either alone or combined with other anti-cancer treatments in adults with previously untreated advanced or metastatic non-small cell lung cancer NSCLC that has a KRAS G12C mutation. This study includes participants with locally advanced unresectable or metastatic NSCLC who have not received prior systemic treatment for their advanced disease. The trial is open-label and includes multiple phases to assess different dosing and combinations of therapies. Participants are assigned to different groups to receive divarasib daily by mouth, alone or combined with pembrolizumab given intravenously every three weeks. Some groups also receive a platinum-based chemotherapy carboplatin or cisplatin and pemetrexed alongside divarasib and pembrolizumab. Different dose levels of divarasib are being tested, with some participants randomized during an expansion phase to receive one of two combination dose levels. Treatment cycles last 21 days and treatments are given according to these schedules. Throughout the study, participants undergo regular monitoring for safety and treatment effects, including assessments of adverse events from baseline until 60 days after the last dose or until starting another cancer therapy. Researchers also evaluate response rates, duration of response, progression-free survival, and symptom changes over approximately five years. Tests include patient questionnaires about side effects and quality of life, as well as measurements of divarasib levels in the body. The study aims to identify recommended doses and assess responses, including in the central nervous system, with ongoing safety monitoring during and after treatment.

A Study Evaluating the Safety, Activity, and Pharmacokinetics of Divarasib as a Single Agent or in Combination With Other Anti-Cancer Therapies in Participants With Previously Untreated Advanced or Metastatic Non-Small Cell Lung Cancer With a KRAS G12C Mutation