An Analysis of the Potential Benefits of Metformin on Disease Recurrence in Oral and Oropharyngeal Squamous Cell Carcinoma
An Analysis of the Potential Benefits of Metformin on Disease Recurrence in Oral and Oropharyngeal Squamous Cell Carcinoma作者机构：Department of Head and Neck Surgery University of California Los Angeles USA Department of Medicine Statistics Core University of California Los Angeles USA Department of Pathology and Laboratory Medicine University of Cali- fornia Los Angeles USA
出 版 物：《Journal of Cancer Therapy》 (癌症治疗（英文）)
年 卷 期：2013年第4卷第5期
页 面：961-965页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Metformin Head and Neck Cancer Oral Squamous Cell Carcinoma Oropharyngeal Squamous Cell Carcinoma
摘 要：Objective: Diabetes mellitus type 2 has been associated with increased cancer risk and cancer related mortality. Metformin, one of the most widely used anti-diabetic medications, has been found to have important anticancer properties in addition to hypoglycemic effects. The effects of metformin on clinical outcomes in oral cavity (OC) and oropharyngeal (OP) squamous cell carcinoma (SCC) have not been thoroughly analyzed. The purpose of this study was to evaluate the effects of metformin use on cancer recurrence in diabetic patients with oral cavity and oropharyngeal squamous cell carcinoma. Design: Retrospective review. Setting: Academic tertiary medical center. Patients: Seventy-seven patients with diabetes mellitus type 2 and oral cavity or oropharyngeal squamous cell carcinoma were treated and followed at our tertiary academic institution and the Veterans Affairs Greater Los Angeles Healthcare System from 1998 to 2012. Main Outcome Measure: Cox proportional hazards models and Kaplan-Meier curves were constructed to determine if metformin has an effect on disease recurrence after primary cancer treatment. Results: Metformin does not appear to have a significant effect on disease recurrence in patients with OC/OP SCC and diabetes mellitus type 2 (p = 0.53). Even when including only patients with stage I or II disease, metformin still did not decrease recurrence (p = 0.60). Conclusion: Herein, our data suggest that metformin use does not significantly impact time until recurrence for diabetic patients with OC/OP SCC.
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