Amgen and Zai Lab's trial of gastric cancer therapy meets primary endpoint
The combo showed OS improvement against placebo with chemotherapy in G/GEJ patients with fibroblast growth factor receptor 2b (FGFR2b) overexpression, defined as 2+/3+ staining in at least 10% of tumour cells, as well as those who are non-human epidermal growth factor receptor 2 (HER2) positive.
The placebo-controlled, randomised, double-blind trial involved 547 subjects across 300 sites in 37 nations. It was designed to assess the combo as a first-line treatment for this patient group.
Its primary outcome measure is OS in those with FGFR2b ≥10% 2+/3+ tumour cell staining.
Key secondary outcome measures are overall response rate (ORR) and progression-free survival (PFS).
Notably, the trial incorporated more extensive ocular-related monitoring than earlier bemarituzumab trials.
Zai Lab, which holds joint development and commercialisation rights for the therapy in mainland China, Macau, Taiwan, and Hong Kong, supported the conduct of the FORTITUDE-101 trial.
Bemarituzumab has also received breakthrough therapy designation from the China Center for Drug Evaluation for treating FGFR2b-positive gastric and gastroesophageal junction adenocarcinoma.
In addition to FORTITUDE-101, a Phase III trial of bemarituzumab with chemotherapy and nivolumab is underway for the first-line gastric cancer treatment, with data readout expected in the second half of 2025.
Amgen research and development executive vice-president Jay Bradner said: "Most patients with gastric cancer are diagnosed at an advanced stage, with poor prognosis, low survival rates, and limited therapeutic options.
"These first positive top-line results of an FGFR2b targeted monoclonal antibody from our Phase III FORTITUDE-101 study mark a meaningful advance in the development of effective targeted therapy for gastric cancer."
"Amgen and Zai Lab's trial of gastric cancer therapy meets primary endpoint" was originally created and published by Clinical Trials Arena, a GlobalData owned brand.
The information on this site has been included in good faith for general informational purposes only. It is not intended to amount to advice on which you should rely, and we give no representation, warranty or guarantee, whether express or implied as to its accuracy or completeness. You must obtain professional or specialist advice before taking, or refraining from, any action on the basis of the content on our site.
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