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ClinicalTrials.gov public records Last synced Oct 30, 2026, 12:51 PM EDT

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Showing 1–24 of 90 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Contraction Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A System for Lengthening Contraction Training of Muscle

NCT00575107
View directory record Official record
Conditions
Healthy
Interventions
Exercise
Other
Lead sponsor
University of Michigan
Other
Eligibility
65 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 4, 2011 · Synced Oct 30, 2026, 12:51 PM EDT
Withdrawn Not applicable Interventional

Ventricular Arrhythmia Ablation With the Use of Non-Invasive ECG Imaging Technology

NCT04219501
View directory record Official record
Conditions
Premature Ventricular Contraction, Ventricular Tachycardia
Interventions
VIVO
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Oct 30, 2026, 12:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Accuracy and Reliability of Novii: Fetal Heart Rate (FHR), Maternal Heart Rate (MHR) and Uterine Contraction (UA) Compared With Doppler, Scalp Fetal Scalp Electrode (FSE), Tocodynamometer (TOCO) and Intra Uterine Pressure Catheter (IUPC)

NCT03409146
View directory record Official record
Conditions
Term Labour
Interventions
Monica Novii Wireless Patch System
Device
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 30, 2026, 12:51 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Eccentric Potentiation Activation on Muscle Function

NCT05606276
View directory record Official record
Conditions
Post Activation Potentiation
Interventions
Eccentric Exercise, Cycle ergometer
Other
Lead sponsor
Brennan Thompson
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Oct 30, 2026, 12:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fetal Life: Smart-Device Based Uterine Activity Monitoring

NCT03940365
View directory record Official record
Conditions
Labor Pain, Contraction
Interventions
Fetal Life tocometer device
Device
Lead sponsor
Fetal Life LLC
Industry
Eligibility
20 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 30, 2026, 12:51 PM EDT
Enrolling by invitation No phase listed Observational

IVTCC 2.0: A Prospective Multicenter Ventricular Tachycardia Catheter Ablation Registry

NCT04520347
View directory record Official record
Conditions
Ventricular Arrhythmia, Ventricular Tachycardia, Premature Ventricular Contraction (PVC), Cardiomyopathy
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Not listed
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
34
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 30, 2026, 12:51 PM EDT
Enrolling by invitation Not applicable Interventional

Treatment of Focal Ventricular Tachycardias Using a Pulsed Field Ablation From a Point Ablation Catheter Short Title FOCUS-PFA

NCT06747013
View directory record Official record
Conditions
Focal Ventricular Arrhythmias, Premature Ventricular Contractions, Ventricular Tachycardias
Interventions
Point Ablation Catheter
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Electrical Inhibition (EI): A Preliminary Study To Inhibit Preterm Labor And Preterm Birth

NCT02569216
View directory record Official record
Conditions
Premature Birth, Premature Labor
Interventions
Electrical Inhibition (EI)
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 55 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Manhattan, New York
Source: ClinicalTrials.gov public record
Updated Nov 9, 2017 · Synced Oct 30, 2026, 12:51 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Evaluation of Muscle Oxygen With MRI

NCT07638384
View directory record Official record
Conditions
Muscle Oxygenation
Interventions
Compression and Contraction
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
20 Years to 64 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Completed No phase listed Observational

Multi-Reader Multi-Case Study to Identify Uterine Contractions Recorded From Laboring and Nonlaboring Patients by Practicing Clinicians

NCT01730963
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Reproductive Research Technologies, LP
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
Phoenix, Arizona • Philadelphia, Pennsylvania • Beaumont, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2012 · Synced Oct 30, 2026, 12:51 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Uterine Contractions Under Blue Light

NCT03691740
View directory record Official record
Conditions
Preterm Contractions
Interventions
Ocular light
Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 2, 2018 · Synced Oct 30, 2026, 12:51 PM EDT
Completed Not applicable Interventional Results available

Combined Application of Electrical Stimulated Antagonist Contraction During Walking (Walking Study)

NCT02730598
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Hybrid Training System (HTS), Sensory TENS
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
39 Years to 70 Years · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 30, 2026, 12:51 PM EDT
Withdrawn Phase 3 Interventional

Vagal Nerve Stimulation as an Alternative Therapy for Premature Ventricular Contractions

NCT06110364
View directory record Official record
Conditions
Premature Ventricular Contraction
Interventions
Low-Level Tragus Stimulation, Heart Rate Variability- Biofeedback, Conventional Medical Therapy
Device · Behavioral · Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2024 · Synced Oct 30, 2026, 12:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of MIBG Scan Images in PVC Ablations

NCT02279030
View directory record Official record
Conditions
Premature Ventricular Contractions
Interventions
MIBG nuclear scan
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Oct 30, 2026, 12:51 PM EDT
Recruiting Phase 1 Interventional

SGLT2i, Ketoacidosis, Volume Contraction, and Insulinopenia

NCT07053306
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Empagliflozin 25 MG
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
30 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions

NCT03218137
View directory record Official record
Conditions
Premature Ventricular Contraction (PVC)
Interventions
Adenosine
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Terminated No phase listed Observational

Resynchronization of Left Ventricular Contraction After Reimplantation of Anomalous Left Coronary Artery

NCT00268112
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 30, 2026, 12:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Acute Cryotherapy on Musculoskeletal Function and Biomarkers

NCT07211412
View directory record Official record
Conditions
Exercise Induced Muscle Damage, Cryotherapy
Interventions
Cryotherapy, Eccentric exercise-induced muscle damage
Other
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 30 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Active, not recruiting Not applicable Interventional

Task Practice and Spinal Cord Stimulation

NCT06494020
View directory record Official record
Conditions
Spinal Cord Injury Cervical, Spastic
Interventions
Task Practice combined with Transcutaneous Spinal Cord Stimulation( TcSCS)
Other
Lead sponsor
University of Miami
Other
Eligibility
22 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Completed Phase 2 Interventional Results available

Ranolazine Mediated PVC Reduction in Ischemic Heart Disease

NCT02360397
View directory record Official record
Conditions
Ventricular Premature Complexes, Myocardial Ischemia
Interventions
ranolazine
Drug
Lead sponsor
Kent Hospital, Rhode Island
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Warwick, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 30, 2026, 12:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Light on Melatonin and Contractions in Pregnant Women

NCT01863446
View directory record Official record
Conditions
Pregnancy
Interventions
Lighting1, Lighting2
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Oct 30, 2026, 12:51 PM EDT
Completed Not applicable Interventional

Sustained Auricular Nerve Stimulation for PVC Suppression

NCT07093034
View directory record Official record
Conditions
Premature Ventricular Complexes, PVC - Premature Ventricular Contraction, Auricular Vagus Nerve Stimulation
Interventions
Extended nocturnal use of auricular vagus nerve stimulator device
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 30, 2026, 12:51 PM EDT
Terminated Not applicable Interventional

Effect of Exercise and Biofeedback on Symptoms of Incontinence in Women With Stress Urinary Incontinence

NCT01337193
View directory record Official record
Conditions
Stress Urinary Incontinence
Interventions
Pelvic floor exercises with biofeedback, Pelvic floor muscle exercises
Other
Lead sponsor
Texas Woman's University
Other
Eligibility
20 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2014 · Synced Oct 30, 2026, 12:51 PM EDT
Recruiting Not applicable Interventional

Impact of rTMS on Abnormal Cortical fMRI in Patients With Dystonia

NCT07626216
View directory record Official record
Conditions
Dystonia Disorder
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 30, 2026, 12:51 PM EDT