22
Participants
Start Date
September 30, 2015
Primary Completion Date
May 10, 2019
Study Completion Date
May 10, 2019
Carbidopa Low-Dose
300 mg/day
Placebo
A placebo containing an inert substance, in capsule form that does not contain an active drug ingredient.
Carbidopa High-Dose
600 mg/day
NYU Langone Medical Center, Dyautonomia Center, Suite 9Q, New York
NYU Medical Center, New York
NYU Langone Health
OTHER