• Indian J Med Res · Nov 2020

    Nab-paclitaxel: An effective third-line chemotherapy in patients with advanced, unresectable gallbladder cancer.

    • Vineet Talwar, Shubhra Raina, Varun Goel, Prasanta Dash, and Dinesh C Doval.
    • Department of Medical Oncology, Rajiv Gandhi Cancer Institute & Research Centre, New Delhi, India.
    • Indian J Med Res. 2020 Nov 1; 152 (5): 475-481.

    Background & ObjectivesGallbladder (GBC) is an aggressive form of cancer and most patients present with advanced unresectable disease due to lack of early signs and symptoms. This retrospective study was conducted to present the treatment outcomes with three lines of chemotherapies in a subset of patients with advanced, unresectable GBC with the primary objective to determine the response rates with nab-paclitaxel as the third-line chemotherapy after failure of the first-line gemcitabine and platinum and the second-line FOLFOX-4 (oxaliplatin, leucovorin and 5-FU) therapy. Another objective was to evaluate the toxicity, progression-free survival (PFS) and overall survival (OS).MethodsTreatment-naive patients with histologically proven inoperable GBC treated with gemcitabine/platinum, FOLFOX-4 and nab-paclitaxel as the first-, second- and third-line chemotherapy were included in this study. The dose of gemcitabine and cisplatin or carboplatin was 1 g/m[2] on days 1 and 8 and 75 mg/m[2] (or target AUC of 5) on day 1, in a 21-day cycle. FOLFOX-4 was administered every two weeks and nab-paclitaxel was administered as 125 mg/m[2] on days 1, 8 and 15 in a 28-day cycle.ResultsThere were eight men and 13 women with a median age of 57 yr who received nab-paclitaxel therapy. The overall response rate of the first-, second- and third-line chemotherapy was 61.9, 57.1 and 52.4 per cent, respectively. The median PFS for the gemcitabine/platinum, FOLFOX-4 and nab-paclitaxel therapy was 5.5, 5.4 and 2.9 months, respectively. The median OS with three lines of therapies was 14.0 months. Common Terminology Criteria (CTC) grade 3 or 4 haematological toxicities were observed in 28.6, 38.1 and 23.8 per cent of patients on gemcitabine/platinum, FOLFOX-4 and nab-paclitaxel therapy, respectively.Interpretation & ConclusionsOur study suggests the clinical benefit of nab-paclitaxel chemotherapy in prolonging OS in a selected subgroup of advanced, unresectable GBC patients after failure of the first-line gemcitabine and platinum and the second-line FOLFOX-4 therapy.

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