Total neoadjuvant therapy improves survival of patients with borderline resectable pancreatic cancer with arterial involvement

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Abstract

Aim: This study aimed to evaluate the prognostic impact of total neoadjuvant therapy (TNT) for borderline resectable pancreatic cancer with arterial involvement (BR-A) pancreatic cancer. Methods: We analyzed 81 patients initially diagnosed as BR-A who received initial treatments between 2007 and 2021. Among them, 18 patients who received upfront surgery were classified as the UFS group, while 30 patients who were treated with neoadjuvant chemoradiotherapy were classified as the NACRT group. Furthermore, 33 patients who planned to receive a combination treatment of over 6 months of systemic chemotherapies followed by chemoradiotherapy before surgery were classified as the TNT group. Results: There were no significant differences in the patients’ backgrounds between the three groups at the time of initial treatment. The resection rates of the UFS, NACRT, and TNT groups were 89%, 77%, and 67%, respectively. NACRT had no impact on the prognosis compared to upfront surgery. In sharp contrast, the TNT group had a significantly better prognosis compared to the other groups, especially after pancreatic resection. Multivariate analysis demonstrated that TNT and resection were independent prognostic factors for the patients of BR-A. Conclusion: TNT can be a promising therapeutic strategy for patients with BR-A.

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Akahori, T., Terai, T., Nagai, M., Nakamura, K., Kohara, Y., Yasuda, S., … Sho, M. (2024). Total neoadjuvant therapy improves survival of patients with borderline resectable pancreatic cancer with arterial involvement. Annals of Gastroenterological Surgery, 8(1), 151–162. https://doi.org/10.1002/ags3.12726

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