A total of 1,057 men participated in the study, which involved treatment using each drug for four weeks, with a one-week washout period in between.

• 共有1，057名男性参与了这项研究，他们首先连续四个星期服用一种药物，然后是一个星期时间的缓冲期，接着再连续四个星期服用另一种药物。