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ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 90 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Contraction Clear all
Terminated No phase listed Observational

SHERLOCK 3CG™ Diamond Tip Confirmation System

NCT03288766
View directory record Official record
Conditions
Indication for Peripheral Intravenous Catheterization, Atrial Flutter, Premature Atrial Contraction, Premature Ventricular Contraction, Premature Junctional Contraction, Tachycardia, Atrioventricular Block, Bundle-Branch Block
Interventions
PICC placement with SHERLOCK 3CG™ Diamond TCS with MODUS II software
Procedure
Lead sponsor
C. R. Bard
Industry
Eligibility
21 Years and older
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
Las Vegas, Nevada • Greensboro, North Carolina • Greenville, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Oct 30, 2026, 2:56 PM EDT
Terminated No phase listed Observational

Examining Developmental Changes in Heart Contractions of Children With Congenital Heart Defects

NCT00860327
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Tetralogy of Fallot
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 1 Year
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 22, 2016 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of MicroRNAs on Age and Contraction-induced Skeletal Muscle Growth

NCT02638454
View directory record Official record
Conditions
Sarcopenia
Interventions
Acute Resistance Exercise
Procedure
Lead sponsor
Tufts University
Other
Eligibility
20 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Coffee and Real-time Atrial and Ventricular Ectopy

NCT03671759
View directory record Official record
Conditions
Premature Atrial Contractions, Premature Ventricular Contractions
Interventions
Start: On Caffeine, Start: Off Caffeine
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Novel Stretching Technique on Shoulder Range of Motion and Voluntary Contraction in Overhead Athletes With Glenohumeral Internal Rotation Deficits "GIRD"

NCT03044236
View directory record Official record
Conditions
Glenohumeral Internal Rotation Deficits
Interventions
Stretching
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional

Evaluating the Impact of Focused Muscle Contraction Therapy in Retire APF Players

NCT04822311
View directory record Official record
Conditions
Chronic Pain Due to Injury, Acute Pain, Depression, Brain Injuries
Interventions
Experimental: Investigate the effects of an exercise intervention on retired APF players
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 9, 2023 · Synced Oct 30, 2026, 2:56 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Nanovectors to Prevent Placental Passage of Tocolytic Agents

NCT02199756
View directory record Official record
Conditions
Preterm Labor
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2018 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Phase 2 Interventional

Study of the Effects Strengthening Exercises in Individuals With ALS

NCT00204464
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Exercise
Procedure
Lead sponsor
University of Saskatchewan
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 4, 2005 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The MARY-JANE Cannabis and Heart Rhythm Trial

NCT06021613
View directory record Official record
Conditions
Premature Atrial Contractions, Premature Ventricular Contractions
Interventions
Randomized instructions
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 30, 2026, 2:56 PM EDT
Completed No phase listed Observational Results available

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

NCT01282723
View directory record Official record
Conditions
Pregnancy - Labor Monitoring
Interventions
Not listed
Lead sponsor
Reproductive Research Technologies, LP
Industry
Eligibility
15 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
3
States / cities
Phoenix, Arizona • Philadelphia, Pennsylvania • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2011 · Synced Oct 30, 2026, 2:56 PM EDT
Active, not recruiting Not applicable Interventional

Calcium Carbonate on Labor Induction

NCT06352775
View directory record Official record
Conditions
Pregnancy, Uterine Contraction
Interventions
Calcium Carbonate
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Measuring Renuvion Soft Tissue Contraction Using Ultrasound

NCT05968495
View directory record Official record
Conditions
Skin Laxity
Interventions
Renuvion APR Handpiece
Device
Lead sponsor
Apyx Medical
Industry
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Olympia, Washington
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Phase 4 Interventional Results available

DOACs for Stroke Prevention Post Ventricular Tachycardia Ablation

NCT02666742
View directory record Official record
Conditions
Ventricular Tachycardia, Premature Ventricular Contraction, Stroke
Interventions
DOAC, Aspirin
Drug
Lead sponsor
Kansas City Heart Rhythm Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Kansas City, Kansas • Overland Park, Kansas • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional

VIVO™ Accuracy Study

NCT03340142
View directory record Official record
Conditions
Premature Ventricular Contraction, Ventricular Tachycardia
Interventions
VIVO™
Device
Lead sponsor
Catheter Precision. Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Iowa City, Iowa • Baltimore, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study to Evaluate a Prototype Electronic Uterine Inhibitor to Prevent Preterm Contractions

NCT00212446
View directory record Official record
Conditions
Preterm Birth
Interventions
Electrical Intervention (EI)
Device
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2018 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Spinal Manipulation on Central Nervous System Activity Measured by Reflexive Calf Muscle Recruitment

NCT02848456
View directory record Official record
Conditions
Subluxation of Joint of Lumbar Spine
Interventions
Spinal Manipulation, Max Voluntary Isometric Contraction, SM+MVIC
Procedure
Lead sponsor
Grant Sanders
Other
Eligibility
20 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional

Evaluation of a Test Algorithm for Use to Analyze ECG Data Collected From a Test Device of a 24-hour Simulated Use Period

NCT07188129
View directory record Official record
Conditions
Atrial Fibrillation (AF), Tachycardia, Bradycardia, PVC - Premature Ventricular Contraction, Premature Atrial Contraction
Interventions
Test Algorithm and Test Device
Device
Lead sponsor
Zywie, Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Oct 30, 2026, 2:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Noninvasive Monitoring of Uterine Electrical Activity and Fetal Heart Rate: A New External Monitoring Device

NCT02993354
View directory record Official record
Conditions
Contraction
Interventions
The EUM300 (electrical uterine myography)
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2024 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Magnesium Supplementation for the Prevention of Supraventricular Arrhythmias

NCT02837328
View directory record Official record
Conditions
Premature Atrial Contraction
Interventions
Oral Magnesium Supplement, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
55 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy and Reliability of Fetal Heart Rate and Uterine Contraction Monitoring Method

NCT01280357
View directory record Official record
Conditions
Pregnancy; Habitual Aborter, Weeks of Gestation 37 or More
Interventions
Monica AN24 (K101081), Philips 50XM
Device
Lead sponsor
Monica Healthcare Ltd
Industry
Eligibility
15 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 21, 2013 · Synced Oct 30, 2026, 2:56 PM EDT
Recruiting No phase listed Observational

Role of Novel ILR in the Management of PVCs

NCT06060548
View directory record Official record
Conditions
PVC - Premature Ventricular Contraction, Myocarditis
Interventions
Monitoring of patients presenting with PVCs
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2022 – 2025
U.S. locations
6
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 30, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Room Light on Uterine Contractions and Labor Progression in Pregnancy

NCT04521972
View directory record Official record
Conditions
Pregnancy Related, Labor; Poor, Uterine Contractions Weak
Interventions
Room light/light bulb
Device
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 30, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy of the MyokinE100 (CL-EMS Alpha) Device in Inducing Visible Muscle Contraction in Healthy Volunteers

NCT06023511
View directory record Official record
Conditions
ICU Acquired Weakness
Interventions
Electrical muscle stimulation
Device
Lead sponsor
Health Discovery Labs
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 30, 2026, 2:56 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Focal Myometrial Contractions: Impact on Cervical Assessment and Association With Voiding

NCT01513395
View directory record Official record
Conditions
Cervical Assessment, Focal Myometrial Contractions
Interventions
Interval bladder emptying
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 23, 2012 · Synced Oct 30, 2026, 2:56 PM EDT