Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2024
A Multicenter Open-Label Randomized Phase II Study of Osimertinib With and Without Ramucirumab in Tyrosine Kinase Inhibitor-Naïve EGFR-Mutant Metastatic Non-Small Cell Lung Cancer (RAMOSE trial).
СтатьяКлиническое исследование II фазыМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Le Xiuning, Patel Jyoti D, Shum Elaine, Baik Christina, Sanborn Rachel E, Shu Catherine A, Kim Chul, Fidler Mary Jo, Hall Richard, Elamin Yasir Y, Tu Janet, Blumenschein George, Zhang Jianjun, Gibbons Don, Gay Carl, Mohindra Nisha A, Chae Young, Boumber Yanis, Sabari Joshua, Santana-Davila Rafael, Rogosin Shane, Herzberg Benjamin, Creelan Ben, Pellini Bruna, Tanvetyanon Tawee, Heeke Simon, Hernandez Mike, Gray Jhanelle E, Saltos Andreas, Heymach John V
Аннотация
PURPOSE: Preclinical studies demonstrated that dual inhibition of epidermal growth factor receptor (EGFR) and vascular endothelial growth factor (VEGF) pathways delay the emergence of resistance to EGFR tyrosine kinase inhibitors (TKIs), and in trials with first-generation EGFR TKIs, the combination of EGFR VEGF pathway inhibitors prolonged progression-free survival (PFS).
METHODS: The RAMOSE trial (ClinicalTrials.gov identifier: NCT03909334, HCRN LUN-18-335) is a randomized, open-label multicenter phase II study comparing osimertinib with ramucirumab (arm A) to osimertinib (arm B) for initial treatment of metastatic EGFR-mutant non-small cell lung cancer (NSCLC) with 2:1 random assignment. The primary end point is PFS for evaluable patients; secondary end points include objective response rates (ORRs), disease control rate (DCR), overall survival, and safety. The stratification criteria were EGFR mutation type and the presence of CNS metastasis.
RESULTS: At data cutoff on August 29, 2023, 160 patients consented, 147 patients received treatment, and 139 patients were evaluable with at least one scan. In this preplanned interim analysis, the median follow-up was 16.6 months. Among the evaluable patients, 57 PFS events occurred. The median PFS was 24.8 (A) versus 15.6 (B) months (hazard ratio, 0.55 [95% CI, 0.32 to 0.93]; log-rank P = .023), 12-month PFS rate was 76.7% (A) versus 61.9% (B; P = .026). No significant difference was observed in the ORRs and DCRs between arms. Any-grade (G) adverse events (AEs) occurred in 100% (A) and 98% (B) of patients, with no G5 treatment-related AE (TRAE), one G4 TRAE (hyponatremia, A), and 53% (A) versus 41% (B) G3 TRAEs. AE-related discontinuation occurred in 13 patients (9.7% in A and 8.7% in B). The safety profile was in line with known safety of each drug.
CONCLUSION: Ramucirumab plus osimertinib significantly prolonged PFS compared with osimertinib alone in patients with TKI-naïve EGFR-mutant NSCLC. The combination is safe and well tolerated.
METHODS: The RAMOSE trial (ClinicalTrials.gov identifier: NCT03909334, HCRN LUN-18-335) is a randomized, open-label multicenter phase II study comparing osimertinib with ramucirumab (arm A) to osimertinib (arm B) for initial treatment of metastatic EGFR-mutant non-small cell lung cancer (NSCLC) with 2:1 random assignment. The primary end point is PFS for evaluable patients; secondary end points include objective response rates (ORRs), disease control rate (DCR), overall survival, and safety. The stratification criteria were EGFR mutation type and the presence of CNS metastasis.
RESULTS: At data cutoff on August 29, 2023, 160 patients consented, 147 patients received treatment, and 139 patients were evaluable with at least one scan. In this preplanned interim analysis, the median follow-up was 16.6 months. Among the evaluable patients, 57 PFS events occurred. The median PFS was 24.8 (A) versus 15.6 (B) months (hazard ratio, 0.55 [95% CI, 0.32 to 0.93]; log-rank P = .023), 12-month PFS rate was 76.7% (A) versus 61.9% (B; P = .026). No significant difference was observed in the ORRs and DCRs between arms. Any-grade (G) adverse events (AEs) occurred in 100% (A) and 98% (B) of patients, with no G5 treatment-related AE (TRAE), one G4 TRAE (hyponatremia, A), and 53% (A) versus 41% (B) G3 TRAEs. AE-related discontinuation occurred in 13 patients (9.7% in A and 8.7% in B). The safety profile was in line with known safety of each drug.
CONCLUSION: Ramucirumab plus osimertinib significantly prolonged PFS compared with osimertinib alone in patients with TKI-naïve EGFR-mutant NSCLC. The combination is safe and well tolerated.
Предметные рубрики MeSH
AdultAgedAged, 80 and overFemaleHumansMaleMiddle AgedAcrylamidesAniline CompoundsAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Non-Small-Cell LungErbB ReceptorsLung NeoplasmsMutationProgression-Free SurvivalRamucirumabTyrosine Kinase InhibitorsIndolesPyrimidines