Narjust Florez, MD, and Ferdinandos Skoulidis, MD, PhD, on NSCLC: Findings on Sotorasib vs Docetaxel in the CodeBreaK 200 Trial
2023 ASCO Annual Meeting
Narjust Florez, MD, of Dana-Farber Cancer Institute, and Ferdinandos Skoulidis, MD, PhD, of The University of Texas MD Anderson Cancer Center, discuss results of a biomarker subgroup analysis, showing that sotorasib demonstrated consistent clinical benefit vs docetaxel in all molecularly defined subgroups of patients with pretreated KRAS G12C–mutated advanced non–small cell lung cancer (NSCLC). Although no predictive biomarkers were confirmed, novel hypothesis-generating signals were observed (Abstract 9008).
The ASCO Post Staff
Nirav N. Shah, MD, of the Medical College of Wisconsin, discusses the efficacy and safety of pirtobrutinib, a highly selective, noncovalent BTK inhibitor, studied for more than 3 years in the BRUIN trial. The results showed that the use of pirtobrutinib continues to have durable efficacy and a favorable safety profile in heavily pretreated patients with relapsed or refractory mantle cell lymphoma and prior BTK inhibitor therapy. Responses were observed in patients with high-risk disease features, including blastoid/pleomorphic variants, elevated Ki67 index, and TP53 mutations (Abstract 7514).
The ASCO Post Staff
Narjust Florez, MD, of Dana-Farber Cancer Institute, and Ticiana Leal, MD, of Winship Cancer Institute of Emory University, discuss the use of tumor treating fields therapy, in which electric fields disrupt processes critical for cancer cell viability. Already approved by the FDA to treat glioblastoma and mesothelioma, the treatment has extended overall survival in this phase III study of patients with metastatic non–small cell lung cancer (NSCLC) with progression on or after platinum-based chemotherapy, without exacerbating systemic toxicities (Abstract LBA9005).
The ASCO Post Staff
Amer Methqal Zeidan, MBBS, MHS, of Yale University and Yale Cancer Center, discusses phase III findings on the first-in-class telomerase inhibitor imetelstat, which was given to patients with heavily transfusion-dependent non-del(5q) lower-risk myelodysplastic syndromes that are resistant to erythropoiesis-stimulating agents. Imetelstat resulted in a significant and sustained red blood cell (RBC) transfusion independence in 40% of these heavily transfused patients. The response was also durable and accompanied by an impressive median hemoglobin rise of 3.6 g/dL, and seen in patients with and without ring sideroblasts. Importantly, reduced variant allele frequency was observed in the most commonly mutated myeloid genes which correlated with duration of transfusion independence and hemoglobin rise, therefore suggesting a disease-modifying potential of this agent (Abstract 7004).
The ASCO Post Staff
Shailender Bhatia, MD, of the University of Washington and Fred Hutchinson Cancer Center, discusses phase I/II results on the efficacy of nivolumab with or without ipilimumab in patients with recurrent or metastatic Merkel cell carcinoma. The study found that, for this rare and aggressive skin cancer, nivolumab showed clinical activity in advanced disease. However, these results from CheckMate 358 do not suggest an additional benefit with ipilimumab added to nivolumab (Abstract 9506).
The ASCO Post Staff
Jason J. Luke, MD, of the University of Pittsburgh Medical Center Hillman Cancer Center, discusses adjuvant pembrolizumab, which, in previous results, improved distant metastasis– and recurrence-free survival in patients with resected stage IIB or IIC melanoma vs placebo. After a median follow-up of 39.4 months, adjuvant pembrolizumab continued to show a benefit over placebo, with no new safety signals (Abstract LBA9505).
