Recruitment for a clinical trial of drug treatment for benign prostatic hyperplasia.

Objectives: To evaluate the effectiveness of various recruitment strategies for a 6-year multicenter clinical trial of medical therapy for benign prostatic hyperplasia, the Medical Therapy of Prostatic Symptoms Trial.

Methods: How participants learned about the trial was obtained during initial contact with clinical centers and at the first screening visit. The yield of randomized participants from the initial contact and first screening visit was calculated for each of the recruitment techniques.