Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 6:10 AM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Non-24-Hour Sleep-Wake Disorder
Interventions
tasimelteon, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
23
States / cities
Phoenix, Arizona • Orange, California • Palo Alto, California + 20 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Visual Retraining After Stroke

NCT06121219
Conditions
Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia Homonymous, Hemianopia, Quadrantanopia, Stroke, Ischemic, Stroke - Occipital Infarction, Cortical Blindness
Interventions
Training in the Blind Field
Device
Lead sponsor
University of Rochester
Other
Eligibility
21 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2032
U.S. locations
1
States / cities
Rochester, New York
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Melatonin Studies of Totally Blind Children

NCT00795236
Conditions
Sleep Disorder, Blindness
Interventions
Melatonin
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
5 Years to 20 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Active, not recruiting Not applicable Interventional

Visual Rehabilitation After Occipital Stroke

NCT04798924
Conditions
Stroke, Ischemic, Quadrantanopia, Vision Loss Partial, Visual Field Defect, Peripheral, Peripheral Visual Field Defect of Both Eyes, Peripheral Visual Field Defect, Hemianopsia, Hemianopia, Homonymous Hemianopia, Homonymous Hemianopsia, Visual Fields Hemianopsia, Occipital Lobe Infarct, Quadrantanopsia, Stroke Hemorrhagic
Interventions
Subacute Training in the intact field, Subacute Training in the blind field, Chronic Training in the blind field
Device
Lead sponsor
University of Rochester
Other
Eligibility
21 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Rochester, New York
Completed No phase listed Observational Accepts healthy volunteers

Refractive Accuracy of "2WIN" and Portable Autorefractors

NCT04249505
Conditions
Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment, Hyperopia of Both Eyes
Interventions
"2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
Device
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
6 Months to 95 Years
Enrollment
708 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Non-24 Hour Sleep-Wake Disorder, Blindness
Interventions
melatonin (Circadin), placebo
Drug
Lead sponsor
Neurim Pharmaceuticals Ltd.
Industry
Eligibility
20 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York