Metformin, Asian ethnicity and risk of prostate cancer in type 2 diabetes: a systematic review and meta-analysis.
Christopher B ChenMaxim EskinDean T EurichSumit R MajumdarJeffrey A JohnsonPublished in: BMC cancer (2018)
There is likely no association between metformin and risk of prostate cancer, in either Western-based or Asian-based populations after removing a highly influential Asian-based study.