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Author

Ryotaro Ohkuma

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Open access Sep 2026

Efficacy and biomarker analysis for nivolumab in cancer of unknown primary: results from an investigator-initiated expanded access program

Cancer of unknown primary (CUP) remains a challenging malignancy with a poor prognosis. Although immune checkpoint inhibitors have shown activity in CUP, available data remains limited. We describe clinical outcomes and a comprehensive biomarker analysis from an expanded access trial of nivolumab in CUP. Patients with...

J. Tanizaki, K. Yonemori, Yuichi Takiguchi et al. · 0 citations

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