Original Investigation

Neoadjuvant Chemotherapy With or Without Radiotherapy in Resected Pancreatic Ductal Adenocarcinoma

JAMA Surgery 10.1001/jamasurg.2026.3716

August 26, 2026 at 11:00 AM EDT

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Results of this cohort study suggest that although the addition of radiotherapy to neoadjuvant chemotherapy was associated with an improved pathologic response, it was not associated with survival benefit or reduced recurrence in resectable and borderline-resectable pancreatic cancer. These findings highlight the limited impact of locoregional control in a disease driven by systemic progression.

Corresponding Author: Carlos Fernández-del Castillo, MD, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit St, Boston, MA 02114 (cfernandez@mgh.harvard.edu).

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