Efficacy and safety of pembrolizumab, lenvatinib, and reduced-dose gemcitabine/oxaliplatin as initial treatment for advanced biliary tract cancer: a multicenter, single-arm, prospective, phase II study

Background
Biliary tract cancer (BTC) is an aggressive malignancy with limited treatment options and a poor prognosis. Although immune checkpoint inhibitors combined with chemotherapy have improved patient outcomes, their toxicity remains concerning. …

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