Ahmad Haider, MD, in private urology practice in Bremerhaven, Germany, and colleagues studied 400 hypogonadal men (testosterone level of 350 ng/dL or less) who received testosterone undecanoate 1000 mg every 3 months for up to 10 years and 376 hypogonadal men who opted against TRT (control group). During a median follow-up of 8 years, 9 men in the TRT group (2.3%) were diagnosed with PCa compared with 26 (6.9%) in the control group.
