Giganti F, et al. - The experts undertook this study to examine changes in quantitative T₂ parameters in lesions and noncancerous tissue of men on active surveillance for prostate cancer taking dutasteride 0.5 mg or placebo daily for 6 months. In men on active surveillance for prostate cancer, the exposure to antiandrogen therapy did not significantly influence the T₂ contrast or the T₂ relaxation values.