Post-neoadjuvant chemoradiotherapy tumor resectability following induction chemotherapy in locally advanced proximal gastric and adenocarcinoma of the esophagogastric junction: A clinical trial
Article Type:
Research/Original Article (دارای رتبه معتبر)

Pre-operative chemoradiotherapy (NACRT) of patients with proximal gastric and esophagogastric junction (EGJ) adenocarcinoma may result in increased local control and improved patients’ survival rate. This study aimed to investigate the effect of NACRT on resectability of tumor in patients with proximal gastric and EGJ adenocarcinoma.


In this single-arm clinical trial, patients with locally advanced proximal gastric and EGJ adenocarcinoma were included. Two courses of paclitaxel/carboplatin chemotherapy alone followed by NACRT with a similar treatment regimen and a total radiation dose of 45-50.4/1.8-2 Grays were prescribed. After surgery, patients were evaluated for resection rate, pathologic response rate, and post-surgical complications.


A total of 61 patients with a mean age of 65.9 years participated. Grades 1 and 2 were the most prevalent side effects, with grade 3 being the worst grade and exhibiting as leukopenia (4.9%) and thrombocytopenia (1.6%). 25 (41%) patients underwent surgery after NACRT. Post-surgery complication was reported in 20% of cases (including 8% mortality and 12% morbidity). R0 and R2 resection was observed in 88% and 12% of cases, respectively. Complete pathologic-response was achieved in 24% of patients.


Paclitaxel/carboplatin based neoadjuvant chemotherapy was associated with potential resectability and appropriate pathologic response in patients with locally advanced proximal gastric and EGJ adenocarcinoma. However, by reducing patient tolerance to complete courses of weekly chemotherapy, induction chemotherapy lowered the effectiveness of concurrent chemotherapy and radiotherapy (as a sensitizing agent). Hence, induction chemotherapy proved to be more unbeneficial causing delayed treatment and reducing concurrent chemoradiotherapy tolerance.

Caspian Journal of Internal Medicine, Volume:12 Issue: 3, Summer 2021
256 to 262  
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