11
Participants
Start Date
September 30, 2017
Primary Completion Date
June 30, 2026
Study Completion Date
December 31, 2026
placebo sugar pill
placebo single oral dose
Pyridostigmine Pill
pyridostigmine bromide 30 mg single oral dose
Galantamine Pill
Galantamine hydrobromide 8mg single oral dose
Vagal stimulation
Vagal stimulation will be given at 50 Hz during the tilt table tests
Sham vagal stimulation
Sham vagal stimulation will be given at 0.01 mA during the tilt table tests
Autonomic Dysfunction Center/ Vanderbilt University Medical Center, Nashville
Vanderbilt University Medical Center
OTHER