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Adagrasib: a novel inhibitor for KRAS-mutated non-small-cell lung cancer
Matthew Z Guo1, Kristen A Marrone1, Alexander Spira1,2,3,4
1Johns Hopkins School of Medicine, Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD, USA.
Abstract:
Adagrasib is a recently US FDA-approved novel KRAS targeted therapy with clinical efficacy in patients with advanced, pretreated KRAS-mutated non-small-cell lung cancer. KRYSTAL-I reported an objective response rate of 42.9% with median duration of response of 8.5 months. Treatment-related adverse events were primarily gastrointestinal and occurred in 97.4% of patients, with grade 3+ treatment-related adverse events occurring in 44.8% of patients. This review details the preclinical and clinical data for adagrasib in the treatment of non-small-cell lung cancer. We also outline practical clinical administration guidelines for this novel therapy, including management of toxicities. Finally, we discuss the implications of resistance mechanisms, summarize other KRASG12C inhibitors currently in development and outline future directions for adagrasib-based combination therapies.
Insights
Adagrasib, a new KRAS-targeted therapy, shows efficacy in advanced non-small cell lung cancer. While effective, it causes gastrointestinal side effects requiring careful management.
Area of Science:
- Oncology
- Pharmacology
- Molecular Biology
Background:
- Non-small cell lung cancer (NSCLC) often harbors KRAS mutations.
- Targeted therapies offer new treatment avenues for advanced NSCLC.
- Adagrasib is a novel, FDA-approved KRAS inhibitor.
Purpose of the Study:
- To review preclinical and clinical data for adagrasib in NSCLC.
- To provide guidelines for adagrasib administration and toxicity management.
- To discuss resistance mechanisms and future directions for KRAS inhibitors.
Main Methods:
- Review of preclinical studies on adagrasib.
- Analysis of clinical trial data, including KRYSTAL-I.
- Synthesis of information on resistance and combination therapies.
Main Results:
- Adagrasib demonstrated clinical efficacy in pretreated KRAS-mutated NSCLC.
- Objective response rate was 42.9% with a median response duration of 8.5 months.
- High incidence of treatment-related adverse events (97.4%), primarily gastrointestinal; 44.8% were grade 3+.
Conclusions:
- Adagrasib is an effective targeted therapy for advanced KRAS-mutated NSCLC.
- Management of gastrointestinal toxicities is crucial for patient care.
- Further research into resistance mechanisms and combination therapies is warranted.
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