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Showing 1–24 of 236 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mitral Valve Insufficiency Clear all
Completed No phase listed Observational

New Techniques to Evaluate Mitral Regurgitation

NCT01063322
View directory record Official record
Conditions
Mitral Valve Regurgitation
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Phase 4 Interventional

Investigation of Lithium on Signal Transduction, Gene Expression and Brain Myo-Inositol Levels in Manic Patients

NCT00870311
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Lithium Carbonate
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2004
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 26, 2009 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional

Early Feasibility Study of the AccuCinch® Ventricular Restoration System in Patients With Prior Mitral Valve Intervention (PMVI) and Recurrent Mitral Regurgitation

NCT03560167
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Dilated
Interventions
AccuCinch® Ventricular Restoration System
Device
Lead sponsor
Ancora Heart, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
19
States / cities
San Francisco, California • Atlanta, Georgia • Louisville, Kentucky + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Phase 2 Interventional Results available

Evaluate Low Doses of AEGR-733 on Hepatic Fat Accumulation by MRS

NCT00559962
View directory record Official record
Conditions
Hyperlipidemia
Interventions
AEGR-733, placebo, AEGR-733 and atorvastatin, AEGR-733 and fenofibrate, AEGR-733 and ezetimibe
Drug
Lead sponsor
Aegerion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
San Diego, California • Santa Rosa, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional

A Study to Evaluate a Computerized Stethoscope Called ©Voqx to Diagnose Heart Disease

NCT04960280
View directory record Official record
Conditions
Isolated Aortic Stenosis, Mitral Regurgitation
Interventions
©VoqX stethoscope
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Behavioral and Neural Response to Memantine in Adolescents With Autism Spectrum Disorder

NCT01972074
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Memantine, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
8 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Early Phase 1 Interventional

Proton MRS Study of SSRI-Zolpidem Interactions

NCT01809626
View directory record Official record
Conditions
Depression
Interventions
Zolpidem, Placebo
Drug · Other
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2013 · Synced Jul 20, 2026, 6:42 PM EDT
Not yet recruiting No phase listed Observational

Mitral Valve Repair With the Chord-X System: A Long Term Evaluation

NCT07413926
View directory record Official record
Conditions
Mitral Regurgitation (MR)
Interventions
Chord-X system implant
Device
Lead sponsor
Artivion Inc.
Industry
Eligibility
Not listed
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
1
States / cities
Edgewood, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional

The Effect of Oral Carnitine Supplementation on MRS-derived Mitochondrial Function

NCT02124590
View directory record Official record
Conditions
Elderly, Pre-diabetic
Interventions
Acute Exercise
Other
Lead sponsor
Duke University
Other
Eligibility
60 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2015 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional Results available

Magnetic Resonance Spectroscopy Imaging in Predicting Response to Vorinostat and Temozolomide in Patients With Recurrent or Progressive Glioblastoma

NCT01342757
View directory record Official record
Conditions
Adult Glioblastoma, Depression, Recurrent Adult Brain Tumor
Interventions
vorinostat, temozolomide, magnetic resonance spectroscopic imaging, survey administration
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Jul 20, 2026, 6:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

MRS to Determine Neuroinflammation and Oxidative Stress in MPS I

NCT03576729
View directory record Official record
Conditions
Mucopolysaccharidosis Type I
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
6 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Jul 20, 2026, 6:42 PM EDT
Recruiting No phase listed Observational

In Search of Best Practices for Patients With Heart Failure and Secondary Mitral Regurgitation: An Evaluation of the Inova Heart Failure Treatment Algorithm

NCT06675448
View directory record Official record
Conditions
Mitral Regurgitation, Valvular Heart Disease, Heart Failure
Interventions
MitraClip, Moderate MR
Device · Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 99 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Phase 4 Interventional

Angiotensin-II Blockade in Mitral Regurgitation

NCT00587470
View directory record Official record
Conditions
Mitral Regurgitation
Interventions
Candesartan, atacand, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2010 · Synced Jul 20, 2026, 6:42 PM EDT
Recruiting Not applicable Interventional

The Half Moon Transcatheter Mitral Valve Repair (TMVr) Pilot Study

NCT04343313
View directory record Official record
Conditions
Mitral Valve Insufficiency
Interventions
Half Moon TMVr System
Device
Lead sponsor
Half Moon Medical
Industry
Eligibility
21 Years to 95 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
5
States / cities
New York, New York • The Bronx, New York • Cleveland, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Jul 20, 2026, 6:42 PM EDT
Completed No phase listed Observational

Atrioventricular Valve Regurgitation Vena Contracta; Echo Versus MRI

NCT01504880
View directory record Official record
Conditions
Tricuspid Valve Regurgitation, Non-rheumatic, Mitral Valve Regurgitation
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Jul 20, 2026, 6:42 PM EDT
Recruiting No phase listed Observational

Annuloplasty Rings and Band Post-Market Clinical Follow-Up Study

NCT04761120
View directory record Official record
Conditions
Mitral Regurgitation, Tricuspid Regurgitation, Valvular Heart Disease
Interventions
Abbott SJM Rigid Saddle Ring, Abbott SJM Séguin Ring, Abbott SJM Tailor Ring, Abbott SJM Tailor Band
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
2
States / cities
Durham, North Carolina • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional Results available

The Imperative Trial: Treatment of Acute Ischemic Stroke With the Zoom Reperfusion System

NCT04129125
View directory record Official record
Conditions
Ischemic Stroke, Acute Stroke
Interventions
Zoom Reperfusion System
Device
Lead sponsor
Imperative Care, Inc.
Industry
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
28
States / cities
Huntsville, Alabama • Tucson, Arizona • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 20, 2026, 6:42 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Role of GABAergic Transmission in Auditory Processing in Autism Spectrum Disorder

NCT04798274
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Continuous Theta Burst Stimulation
Device
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
11 Years to 25 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intensive Cognitive-Behavioral Therapy For Obsessive-Compulsive Disorder

NCT01368510
View directory record Official record
Conditions
Obsessive-Compulsive Disorder (OCD)
Interventions
Intensive Cognitive Behavioral Therapy (CBT), Waitlist
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Jul 20, 2026, 6:42 PM EDT
Active, not recruiting Not applicable Interventional

Edwards PASCAL CLASP IID/IIF Pivotal Clinical Trial

NCT03706833
View directory record Official record
Conditions
Degenerative Mitral Valve Disease, Mitral Regurgitation, Mitral Insufficiency, Functional Mitral Regurgitation
Interventions
Edwards PASCAL System, Abbott Mitraclip System
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
18 Years and older
Enrollment
1,247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
63
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 50 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Enrolling by invitation No phase listed Observational

GABA and GSH in FRDA

NCT07635030
View directory record Official record
Conditions
Friedreich's Ataxia, FRDA
Interventions
MRI/ MRS (Magnetic Resonance Imaging /Magnetic Resonance Spectroscopy)
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 16 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Active, not recruiting Not applicable Interventional

Percutaneous or Surgical Repair In Mitral Prolapse And Regurgitation for ≥60 Year-olds (PRIMARY)

NCT05051033
View directory record Official record
Conditions
Mitral Valve Regurgitation
Interventions
Mitral valve repair, Transcatheter edge-to-edge repair
Procedure · Device
Lead sponsor
Annetine Gelijns
Other
Eligibility
60 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
24
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating Brain Function in People With and Without Visual Snow Syndrome Using Adaptation to Visual Stimuli

NCT06961864
View directory record Official record
Conditions
Visual Snow Syndrome, Migraine, Healthy
Interventions
Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Imaging (MRS)
Behavioral · Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Jul 20, 2026, 6:42 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE

NCT05357404
View directory record Official record
Conditions
Valvular Heart Disease
Interventions
Not listed
Lead sponsor
Cardiovascular Research Foundation, New York
Other
Eligibility
65 Years to 85 Years
Enrollment
2,870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jul 20, 2026, 6:42 PM EDT