United Therapeutics Corporation (Nasdaq: UTHR) announced today that enrollment in its FREEDOM-C(2) registration trial was completed on March 18, 2011.
FREEDOM-C(2) is a 16-week, multi-center, international, double-blind, randomized, placebo-controlled study of a sustained release oral formulation of treprostinil diethanolamine (UT-15C) in pulmonary arterial hypertension (PAH) patients receiving an endothelin receptor antagonist and/or a phosphodiesterase-5 inhibitor.
The FREEDOM-C(2) study randomized 313 patients, compared to a target enrollment of 300 patients. The primary endpoint of the trial is change in six-minute walk distance at Week 16 in the treatment group compared to placebo.
"Completion of enrollment in FREEDOM-C(2) represents another significant milestone toward the planned filing of the UT-15C NDA," said Roger Jeffs, Ph.D., President and Chief Operating Officer of United Therapeutics. "This study, if successful, will support the use of UT-15C as add-on therapy to currently approved oral medications, and should significantly enhance early adoption and market uptake of UT-15C."
United Therapeutics expects to unblind and announce preliminary analysis of the FREEDOM-C(2) study results in September 2011.
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