Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, presented interim results from the Phase II SUMMIT basket trial, assessing the efficacy of neratinib in patients with EGFR exon 18-mutant non-small cell lung cancer (NSCLC), including patients with central nervous system (CNS) involvement, at the virtual 2021 ASCO Annual Meeting. The presentation, entitled “Neratinib efficacy in a subgroup of patients with EGFR exon 18-mutant non-small cell lung cancer and central nervous system involvement: findings from the SUMMIT basket trial,” is included in the Lung Cancer—Non-Small Cell Metastatic Poster Session (#9068).
The Phase II SUMMIT basket trial is an open-label, multicenter, multinational study that includes a cohort evaluating the safety and efficacy of neratinib administered daily to patients with EGFR exon 18-mutant non-small cell lung cancer (NSCLC). Patients received 240 mg of neratinib daily as a single agent with mandatory loperamide prophylaxis.
A cohort of 11 patients with EGFR exon 18-mutant NSCLC from the Phase II SUMMIT basket trial, including patients with central nervous system involvement, were evaluated for safety and efficacy. Prior lines of therapies included EGFR tyrosine kinase inhibitors (TKIs) (91%), chemotherapy (55%) and checkpoint inhibitors (IOs) (27%). Patients with stable,