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ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:26 PM EDT

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Showing 25–30 of 6 matching trials from the live ClinicalTrials.gov search.
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Conditions
Syncope, Vasovagal
Interventions
Pre-Donation Water Consumption, Muscle Tensing Exercise During Donation, Muscle Tensing Exercise Prior to Donation
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
2
States / cities
Athens, Ohio • Columbus, Ohio
Conditions
Postural Tachycardia Syndrome (POTS), Vasovagal Syncope (VVS), Fainting
Interventions
Northera (Droxidopa), Placebo
Drug
Lead sponsor
New York Medical College
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Active, not recruiting No phase listed Observational

Aveir VR Real-World Evidence Post-Approval Study

NCT05270499
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
3,427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2034
U.S. locations
1
States / cities
Sylmar, California
Conditions
Syncope
Interventions
midodrine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
New York, New York
Active, not recruiting No phase listed Observational

BAsel Syncope EvaLuation (BASEL IX) Study

NCT01548352
Conditions
Syncope
Interventions
Not listed
Lead sponsor
University Hospital, Basel, Switzerland
Other
Eligibility
40 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Houston, Texas
Conditions
Orthostatic Hypotension, Reflex Syncope
Interventions
Wearable heart monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota