ArticleJournal of immunotherapy and precision oncology2025
Safety and Efficacy of Toripalimab in Patients with Cholangiocarcinoma: An Open-Label, Phase 1 Study.
Article in Journal of immunotherapy and precision oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Phase Ib multicenter study of anti-TIM-3 (S095018/Sym023) in combination with anti-PD-1 (Sym021) in patients with advanced/metastatic recurrent biliary tract cancer.Journal for immunotherapy of cancer · 2026Article
- Anti-PD-1 Therapy for Patients with Advanced Cholangiocarcinoma: Ready for Prime Time?Journal of immunotherapy and precision oncology · 2025Article
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Authors and funding
17 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Introduction: This was the first phase 1 study conducted in the United States. It consisted of dose-escalation (part A) and multiple indication-specific cohort expansion (part B), investigating the safety and preliminary efficacy of toripalimab (anti-programmed cell death-1 inhibitor) in patients with advanced malignancies. Methods: Patients with advanced malignancies that progressed after treatment with at least one prior line of standard systemic therapy, including the patients with advanced/recurrent cholangiocarcinoma (CCA), received toripalimab 240 mg every 3 weeks in part B. The primary endpoint was safety assessment. Efficacy endpoints included objective response rate (ORR), disease control rate (DCR), duration of response (DoR), progression-free survival (PFS) as assessed by the investigators according to Response Evaluation Criteria in Solid Tumors (version 1.1) and overall survival (OS). Results: In part B, 166 patients, including the 42 patients with CCA, were enrolled and received toripalimab. Among the 166 patients, treatment-emergent adverse events (TEAEs) of any grade occurred in 158 (95.2%) patients, and 97 (58.4%) patients experienced TEAEs of Grade 3 or greater. The most common TEAE was fatigue (42.2%). Seven (4.2%) patients experienced TEAEs with a fatal outcome, none of which were identified by investigators as related to toripalimab. Investigator-assessed immune-related adverse events (irAE) of Grade 3 or higher occurred in 7 (4.2%) patients. In the CCA cohort, with the median follow-up of 4.4 months, the ORR and DCR were 4.8% (95% CI: 0.58, 16.16) and 40.5% (95% CI: 25.63, 56.72), respectively; median DoR was 7.8 (range 4.4+ to 7.8) months; median PFS was 2.1 (95% CI: 1.91, 3.88) months; median OS was not estimable. Conclusions: Toripalimab had manageable side effects in patients with refractory cholangiocarcinoma and exhibited preliminary evidence of anti-tumor activity. However, further information regarding biomarkers is needed.
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