…involves just 50 test subjects. Whatever regrowth it causes, if any, probably is pretty uniform among test subjects from the previous phase 2 study because if only a small percentage of test subjects got regrowth surely Samumed would have enlisted more than 50 test subjects for their supplemental phase 2 study.
50 test subjects is a small amount of test subjects for a phase 2 study. Keep in mind that they just completed a major large phase 2 study so they know whether or not their drug works and the percentage of men it works on.
Also, keep in mind that their test subjects have been stage 4, 5, and 6.