Abstract
Data on adjuvant chemotherapy with gemcitabine-cisplatin (GC) in resected gallbladder cancers (GBC) are scarce. Patients who underwent upfront curative resection for GBC from 2010 to 2016 were analyzed. Patients with stage II-III GBC treated with adjuvant GC were analyzed. A total of 242 patients were evaluated, of whom 125 patients received GC regimen as adjuvant chemotherapy. The median age was 50years (range 31-74), majority were female (77.6%), and 37 patients (29.6%) had raised CA 19.9 levels at baseline. One hundred and thirteen patients (90.4%) underwent radical cholecystectomy with R0 resections. Median number of GC administered was 6, with completion rates of 84%. Toxicity data were comprehensively available for 110 patients, with common grade 3 and grade 4 being neutropenia (9.9%), fatigue (7.3%) and febrile neutropenia (3.6%), respectively. With a median follow-up of 36.88months, 3-year RFS was 60.3%. Patients with stage II (28%; n = 35), stage IIIA (28%; n = 35) and stage IIIB GBC (44%; n = 55) had a 3-year OS of 91.9, 67 and 58.1% (p = 0.001), respectively. Patients with stage II-III GBC undergoing R0 resections receiving adjuvant GC have good tolerance, high completion rates and encouraging outcomes in a non-trial high GBC prevalence scenario.
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