Chelsea Therapeutics Announces Interim Results and Plans to Modify Study 306 to Focus on Reduction in Falls Associated With Neurogenic Orthostatic Hypotension

CHARLOTTE, N.C., — Chelsea Therapeutics International, Ltd. (Nasdaq:CHTP) announces plans to modify Study 306, a Phase III study of NORTHERA™ (droxidopa) in symptomatic neurogenic orthostatic hypotension (NOH) associated with Parkinson’s disease (PD) following a futility determination at the planned interim analysis of the study’s primary endpoint and an unblinded review of multiple, secondary outcome measures showing dramatic reduction in falls and clear signs of therapeutic activity associated with Northera in the first 51 patients to complete Study 306.