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Efficacy Evaluation of Imatinib for the Treatment of Melanoma: Evidence From a Retrospective Study

Xiaoting Wei, Lili Mao, Zhihong Chi, Xinan Sheng, Chuanliang Cui, Yan Kong, Jie Dai, Xuan Wang, Siming Li, Bixia Tang, Bin Lian, Xieqiao Yan, Xue Bai, Li Zhou, Jun Guo, Lu Si

Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing, P.R. China

Oncology Research 2019, 27(4), 495-501. https://doi.org/10.3727/096504018X15331163433914

Abstract

Melanoma is an aggressive malignancy with a poor prognosis. Current studies show that imatinib treatment is a promising approach in treating advanced melanoma patients harboring c-Kit mutations or amplifications. We retrospectively analyzed the clinical medical records of 78 patients with metastatic melanoma harboring c-Kit mutations or amplifications. These patients were treated with imatinib at a dose of 400 mg/day continuously unless intolerable toxicities or disease progression occurred. Endpoints for exploration included overall survival (OS), progression-free survival (PFS), objective response rate (ORR), and disease of control rate (DCR). The median OS and PFS of all patients were 13.1 and 4.2 months, respectively. ORR and DCR were 21.8% and 60.3%, respectively. The survival time of patients who achieved partial response or stable disease was significantly superior to those with disease progression. Cox regression analysis showed that patients with M1c stage, subtype of cutaneous melanoma, or elevated LDH level (>upper limit of normal) had higher hazard ratios for overall survival. Our study, combined with those studies targeting patients with a c-Kit alteration, validates the role of imatinib as an important and promising therapeutic agent in the treatment of patients with advanced melanoma.

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APA Style
Wei, X., Mao, L., Chi, Z., Sheng, X., Cui, C. et al. (2019). Efficacy evaluation of imatinib for the treatment of melanoma: evidence from a retrospective study. Oncology Research, 27(4), 495-501. https://doi.org/10.3727/096504018X15331163433914
Vancouver Style
Wei X, Mao L, Chi Z, Sheng X, Cui C, Kong Y, et al. Efficacy evaluation of imatinib for the treatment of melanoma: evidence from a retrospective study. Oncol Res. 2019;27(4):495-501 https://doi.org/10.3727/096504018X15331163433914
IEEE Style
X. Wei et al., "Efficacy Evaluation of Imatinib for the Treatment of Melanoma: Evidence From a Retrospective Study," Oncol. Res., vol. 27, no. 4, pp. 495-501. 2019. https://doi.org/10.3727/096504018X15331163433914



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