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ClinicalTrials.gov public records Last synced Sep 24, 2026, 1:20 AM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Mydriasis
Interventions
Tropicamide/Phenylephrine ophthalmic solution (TR/PE), Placebo
Drug
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
Not listed
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Austin, Texas • San Antonio, Texas
Conditions
Mydriasis
Interventions
MDD-administered EYN-1601, Phenylephrine 2.5% Eyedrop, Phenylephrine 10% Eyedrop
Combination Product · Drug
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Artesia, California
Conditions
Mydriasis
Interventions
MydCombi
Combination Product
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Mydriasis
Interventions
Tropicamide 1%-Phenylephrine 2.5% ophthalmic solution (TR/PE), Tropicamide 1% ophthalmic solution (TR), Phenylephrine 2.5% ophthalmic solution (PE)
Drug
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Conditions
Ptosis, Eyelid
Interventions
Phenylephrine Ophthalmic, Eyelid Tape
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Topical Phenylephrine 2.5% on EVP in Normal Human Eyes

NCT02965924
Conditions
Assess Phenylephrine on EVP and IOP
Interventions
Phenylephrine 2.5%
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota