Study of CYR-064 Versus Placebo in Patients.

The purpose of this study is to determine the safety and effectiveness of CYR-064 in a randomized, double-blinded, placebo-controlled trial to determine the safety and efficacy of CYR064. The study will take approximately 32 weeks which will include a 4-week screening period to evaluate if participants are right for the Study, followed by a 24-week Treatment Period, and a 1 week follow up after participants have completed the Study. About 150 subjects will participate in this study in about 25 research sites in the United States.