CHARLOTTE, N.C., June 9, 2011 (GLOBE NEWSWIRE) -- Chelsea Therapeutics International, Ltd. (Nasdaq:CHTP) announced that new data from Phase III trials in symptomatic neurogenic orthostatic hypotension (NOH) demonstrating the activity and tolerability of NORTHERA™ (droxidopa), an orally active synthetic precursor of norepinephrine, were presented at the Movement Disorder Society’s 15th International Congress of Parkinson’s Disease and Movement Disorders in Toronto, Ontario, Canada.