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Neoadjuvant Chemotherapy Efficacy and Safety in Borderline Resectable Pancreatic Cancer

Author(s): X. He, Y. Zheng and Jiabao Wang*
Department of General Surgery, 1Department of Radiology, First affiliated Hospital of Huzhou University, Huzhou, Zhejiang 313000, China

Correspondence Address:
Jiabao Wang, Department of General Surgery, First affiliated Hospital of Huzhou University, Huzhou, Zhejiang 313000, China, E-mail:

The current study was designed to investigate the safety and effectiveness of neoadjuvant therapy in patients with borderline resectable pancreatic cancer. The study was a retrospective case control with propensity score similarity. From January 2017 to June 2022, data regarding 70 patients who had received radical resection of pancreatic cancer at the department of hepatobiliary and pancreatic surgery of first affiliated hospital of Huzhou university was acquired. The neoadjuvant therapy group consisted of 35 patients who underwent neoadjuvant therapy before surgery. Patients who received extensive surgical resection were included in the control group directly. The effect of the neoadjuvant therapy group was evaluated before the operation and serum tumor markers carcinoembryonic antigen, cancer antigen 125 and cancer antigen 19-9 levels were compared before and after neoadjuvant therapy. Comparative analyses of perioperative surgical variables, postoperative pathological symptoms and postoperative complications were performed between both groups. Among the patients without complete remission or progressive disease after neoadjuvant therapy, 13 cases (37.14 %) were evaluated as partial response and 22 cases (62.86 %) were assessed as stable disease. After neoadjuvant therapy, serum levels of cancer antigen 19-9, cancer antigen 125 and carcinoembryonic antigen indexes revealed a significant (all p<0.05) downward trend. There were no statistically significant differences (all p>0.05) between the two groups regarding surgery type, operation duration, intraoperative blood loss, number of cases requiring blood transfusion, or postoperative hospital stay. Neoadjuvant treatment patient’s tumor diameters and the number of removed lymph nodes were significantly less (p<0.05) than those of the control group and their R0 resection rates were significantly greater (p<0.05) than those of the control group. There was no substantial variation in the frequency of complications between both groups (p>0.05). Preoperative neoadjuvant therapy for patients with minimally resectable pancreatic cancer can lower tumor marker levels. Moreover, it can produce a specific curative impact without raising surgical risk levels and boosting the R0 resection rate, which is safe and appropriate.

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