Dataset Information

Sotorasib Shows Intracranial Activity in Patients with KRAS G12C-Mutated Adenocarcinoma of the Lung and Untreated Active Brain Metastases.

ABSTRACT: Treatment with sotorasib has shown intracranial complete responses and continued intracranial stabilization in KRAS G12C-mutated non-small-cell lung carcinoma (NSCLC) patients with previously treated, stable brain metastases in a post hoc analysis of the ongoing CodeBreaK 100 trial. We present the case of a patient with KRAS G12C-mutant adenocarcinoma of the lung with active untreated brain metastases with a nearly complete intracranial response only 6 weeks after start of sotorasib illustrating the benefit of sotorasib in patients with active, previously untreated brain metastases in KRAS G12C-mutated NSCLC.

SUBMITTER: Koster KL

PROVIDER: S-EPMC9459558 | biostudies-literature | 2022 May-Aug

REPOSITORIES: biostudies-literature

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Sotorasib Shows Intracranial Activity in Patients with KRAS G12C-Mutated Adenocarcinoma of the Lung and Untreated Active Brain Metastases.

Koster Kira-Lee KL Appenzeller Christina C Lauber Arno A Früh Martin M Schmid Sabine S

Case reports in oncology 20220501 2

Treatment with sotorasib has shown intracranial complete responses and continued intracranial stabilization in KRAS G12C-mutated non-small-cell lung carcinoma (NSCLC) patients with previously treated, stable brain metastases in a post hoc analysis of the ongoing CodeBreaK 100 trial. We present the case of a patient with KRAS G12C-mutant adenocarcinoma of the lung with active untreated brain metastases with a nearly complete intracranial response only 6 weeks after start of sotorasi ...[more]

PMID: 36157699

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Project description:BackgroundNo therapies for targeting KRAS mutations in cancer have been approved. The KRAS p.G12C mutation occurs in 13% of non-small-cell lung cancers (NSCLCs) and in 1 to 3% of colorectal cancers and other cancers. Sotorasib is a small molecule that selectively and irreversibly targets KRASG12C.MethodsWe conducted a phase 1 trial of sotorasib in patients with advanced solid tumors harboring the KRAS p.G12C mutation. Patients received sotorasib orally once daily. The primary end point was safety. Key secondary end points were pharmacokinetics and objective response, as assessed according to Response Evaluation Criteria in Solid Tumors (RECIST), version 1.1.ResultsA total of 129 patients (59 with NSCLC, 42 with colorectal cancer, and 28 with other tumors) were included in dose escalation and expansion cohorts. Patients had received a median of 3 (range, 0 to 11) previous lines of anticancer therapies for metastatic disease. No dose-limiting toxic effects or treatment-related deaths were observed. A total of 73 patients (56.6%) had treatment-related adverse events; 15 patients (11.6%) had grade 3 or 4 events. In the subgroup with NSCLC, 32.2% (19 patients) had a confirmed objective response (complete or partial response) and 88.1% (52 patients) had disease control (objective response or stable disease); the median progression-free survival was 6.3 months (range, 0.0+ to 14.9 [with + indicating that the value includes patient data that were censored at data cutoff]). In the subgroup with colorectal cancer, 7.1% (3 patients) had a confirmed response, and 73.8% (31 patients) had disease control; the median progression-free survival was 4.0 months (range, 0.0+ to 11.1+). Responses were also observed in patients with pancreatic, endometrial, and appendiceal cancers and melanoma.ConclusionsSotorasib showed encouraging anticancer activity in patients with heavily pretreated advanced solid tumors harboring the KRAS p.G12C mutation. Grade 3 or 4 treatment-related toxic effects occurred in 11.6% of the patients. (Funded by Amgen and others; CodeBreaK100 ClinicalTrials.gov number, NCT03600883.).

Dataset Information

Sotorasib Shows Intracranial Activity in Patients with KRAS G12C-Mutated Adenocarcinoma of the Lung and Untreated Active Brain Metastases.

Publications

Sotorasib Shows Intracranial Activity in Patients with <i>KRAS G12C-</i>Mutated Adenocarcinoma of the Lung and Untreated Active Brain Metastases.

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