THE WOODLANDS, Texas, May 22, 2012 (GLOBE NEWSWIRE) -- Repros Therapeutics Inc.® (Nasdaq:RPRX)today announced it has modified the pivotal protocol following additional FDA input post the May 9th meeting. The revision included additional secondary endpoints specifying the number of men in the study that exhibit a single time point of testosterone concentration greater than 1500, 1800 and 2500 ng/dL. It is common to experience such high excursions for approved topical products. No subject in an Androxal® study has ever exhibited a concentration greater than 1500 ng/dL and the maximum levels achieved are approximately 1100 ng/dL. This level occurs rarely and only in men administered the higher (25 mg) dose. The pivotal studies are designed to titrate men to greater than 450 ng/dL by first starting on the 12.5 mg dose. The Company believes 60% of men will achieve the 450 ng/dL up-titration threshold on the 12.5 mg dose resulting in 40% of men up-titrating to the 25 mg dose.
