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Zolbetuximab plus CAPOX in CLDN18.2-positive gastric or gastroesophageal junction adenocarcinoma: the randomized, phase 3 GLOW trial
Cited 62 time in
Web of Science
Cited 60 time in Scopus
- Authors
- Issue Date
- 2023-08
- Publisher
- Nature Publishing Group
- Citation
- Nature Medicine, Vol.29 No.8, pp.2133-2141
- Abstract
- There is an urgent need for first-line treatment options for patients with human epidermal growth factor receptor 2 (HER2)-negative, locally advanced unresectable or metastatic gastric or gastroesophageal junction (mG/GEJ) adenocarcinoma. Claudin-18 isoform 2 (CLDN18.2) is expressed in normal gastric cells and maintained in malignant G/GEJ adenocarcinoma cells. GLOW (closed enrollment), a global, double-blind, phase 3 study, examined zolbetuximab, a monoclonal antibody that targets CLDN18.2, plus capecitabine and oxaliplatin (CAPOX) as first-line treatment for CLDN18.2-positive, HER2-negative, locally advanced unresectable or mG/GEJ adenocarcinoma. Patients (n=507) were randomized 1:1 (block sizes of two) to zolbetuximab plus CAPOX or placebo plus CAPOX. GLOW met the primary endpoint of progression-free survival (median, 8.21months versus 6.80months with zolbetuximab versus placebo; hazard ratio (HR)=0.687; 95% confidence interval (CI), 0.544-0.866; P=0.0007) and key secondary endpoint of overall survival (median, 14.39months versus 12.16months; HR=0.771; 95% CI, 0.615-0.965; P=0.0118). Grade >= 3 treatment-emergent adverse events were similar with zolbetuximab (72.8%) and placebo (69.9%). Zolbetuximab plus CAPOX represents a potential new first-line therapy for patients with CLDN18.2-positive, HER2-negative, locally advanced unresectable or mG/GEJ adenocarcinoma. ClinicalTrials.gov identifier: NCT03653507. In the randomized, double-blind, phase 3 GLOW trial, capecitabine and oxaliplatin combined with zolbetuximab, a monoclonal antibody that targets CLDN18.2, significantly improved progression-free survival and overall survival in patients with CLDN18.2-positive, HER2-negative, untreated, locally advanced unresectable or metastatic gastric or gastroesophageal junction adenocarcinoma.
- ISSN
- 1078-8956
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