Dutasteride is a chemical substance similar to Propecia's finasteride interms of its chemical structure and effects lts branded form,known asAvodart,is used to treat benign prostatic hyperplasia but dutasteride hasrecently also completed Phase lll clinical trials for treating male patternbaldness. Dutasteride useful for the symptoms of benign prostatic hyperplasia (BPH), colloquially known as an "enlarged prostate". in those who arebeing regularly screened 5-alpha-reductase inhibitor(finasteride and dutasteride) reduce the overallrisk of being diagnosed with prostate cancelhoweverthere is insuticient data to determine itf they have an eect on the risk ot death and may increase the chance ot more serous cases.