Abstract
Molecularly targeted agents are increasingly being studied in the treatment of early-stage non-small cell lung cancer (NSCLC) to try and improve cure. However, phase 3 data on neoadjuvant therapy have largely been conducted in a biomarker agnostic manner with inconsistent exclusion of EGFR and ALK alterations. Our objective was to develop IND.242 as a large-scale neoadjuvant platform trial to introduce novel agents into the pre-operative window for molecularly-defined NSCLC patient populations. Given that KRAS G12C mutations are common in the overall NSCLC patient population, ranging from 9.4 to 13% of cases across different cohorts, and may be associated to worse prognosis, the initial IND.242A Substudy was designed to test neoadjuvant JDQ443 (opnurasib), a selective KRAS G12C inhibitor. This current trial report describes the multi-center, Canadian Cancer Trials Group (CCTG)-led IND.242 neoadjuvant phase 2 platform master protocol and its first Substudy (IND.242A) of neoadjuvant opnurasib KRAS G12C inhibitor for patients with surgically resectable NSCLC (AJCC 8th edition stage IA2 to IIIA). In IND.242A, a maximum of 27 patients will be accrued in participating Canadian sites. The primary objective is the rate of major pathological response (MPR) following neoadjuvant opnurasib. Secondary objectives include safety and tolerability of the treatment regimen, objective response rate (ORR) by RECIST 1.1 for the neoadjuvant treatment period, pathological complete response (pCR) rate, event-free survival (EFS) at 2 years, and surgical outcomes. Exploratory objectives are to explore patient related outcomes (PROs) and identify potential predictive biomarkers of response and mechanisms of resistance on tissue and peripheral blood samples.Micro Abstract: IND.242 is a neoadjuvant platform trial for molecularly defined non-small cell lung cancer. The IND.242A Substudy will enroll a maximum of 27 patients and evaluates major pathological response rate after neoadjuvant JDQ443 (opnurasib), a selective KRAS G12C inhibitor. The platform will inform future late-phase studies and explore effects of novel therapies on the tumor immune microenvironment through advanced correlative analyses.
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