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Showing 1–24 of 163 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Rhythm control Clear all
Completed Not applicable Interventional

Internet Psychotherapy for Bipolar Disorder in Primary Care

NCT02448108
View directory record Official record
Conditions
Bipolar Disorder
Interventions
i-IPSRT, Written Psychoeducation
Behavioral · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 99 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of VEC-162 on Circadian Rhythm in Healthy Adult Volunteers

NCT00490945
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorders
Interventions
VEC-162
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
2
States / cities
Boston, Massachusetts • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 25, 2014 · Synced Sep 8, 2026, 2:33 PM EDT
Not listed Not applicable Interventional

Neurostimulation of Spinal Nerves That Affect the Heart

NCT01124136
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
Neurostimulation + Medication Management (Standard of Care), Standard of Care (Control)
Device · Drug
Lead sponsor
Jerry Estep, MD
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 8, 2026, 2:33 PM EDT
Enrolling by invitation Not applicable Interventional

Intracranial EEG to Test How Noninvasive Stimulation Affects Hippocampal-dependent Memory

NCT07397897
View directory record Official record
Conditions
Memory Performance, Hippocampal Network Activity
Interventions
Transcranial magnetic stimulation (TMS)
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Bright Light Treatment On Elders In a Long Term Care Environment

NCT01042587
View directory record Official record
Conditions
Behavioral Responses to Bright Light Therapy in Elders
Interventions
exposure to bright light, low luminosity red light
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Elizabethtown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 10, 2010 · Synced Sep 8, 2026, 2:33 PM EDT
Withdrawn Not applicable Interventional

Pilot Study of the Effects of Circadian Rhythms on the Treatment of Bipolar I Depression.

NCT00726154
View directory record Official record
Conditions
Bipolar Disorder
Interventions
IPSRT, Collaborative Care
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 10, 2012 · Synced Sep 8, 2026, 2:33 PM EDT
Recruiting No phase listed Observational

Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise

NCT03775954
View directory record Official record
Conditions
High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
Interventions
Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
Diagnostic Test · Genetic
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Examine the Effect of HKI-272 on Rhythms of the Heart (Cardiac Repolarization)

NCT00708903
View directory record Official record
Conditions
Breast Cancer
Interventions
neratinib, Placebo, Moxifloxacin
Drug · Other
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated May 13, 2012 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The i Heart Rhythm Project: Healthy Sleep and Behavioral Rhythms for Obesity Prevention

NCT04445740
View directory record Official record
Conditions
Obesity Prevention
Interventions
i♥rhythm project
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
5 Years to 60 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Investigate the Effects of Talampanel on the Heart Rhythm

NCT00964730
View directory record Official record
Conditions
Healthy
Interventions
Talampanel, Moxifloxacin, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 6, 2010 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional

Feasibility of Virtual, Tailored, Music-Based Relaxation for Anxiety in Adolescent and Young Adult Cancer Survivors

NCT05911269
View directory record Official record
Conditions
Anxiety
Interventions
TiMBRe, Control
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
15 Years to 39 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Vanoxerine for the Conversion of Subjects With Recent Onset Atrial Fibrillation or Flutter to Normal Sinus Rhythm

NCT02454283
View directory record Official record
Conditions
Atrial Fibrillation or Flutter
Interventions
Vanoxerine HCl, Placebo
Drug
Lead sponsor
Laguna Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
4
States / cities
Littleton, Colorado • Washington D.C., District of Columbia • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2016 · Synced Sep 8, 2026, 2:33 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epigenetic Analysis of Regulation of the Inflammasome-activating NLRP3 Gene in Monocytes From Atrial Fibrillation Patients and Controls

NCT04766814
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
20 Years to 80 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Beta Events and Sensory Perception

NCT04062318
View directory record Official record
Conditions
Beta Rhythm, Tactile Perception
Interventions
Online Active SI-Hand TMS, Online Sham SI-Hand TMS, Online Active Control TMS
Device
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Influence of Sleep on Cardiovascular Outcomes

NCT06535178
View directory record Official record
Conditions
Circadian Rhythm, Cardiometabolic Health, Vascular Health, Pain
Interventions
Sleep Regularity Group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 8, 2026, 2:33 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

SCREENS: Sleep, Circadian Rhythms, and Electronics in the EveNing Study

NCT06192745
View directory record Official record
Conditions
Sleep, Circadian Rhythm, Executive Function, Emotion Regulation
Interventions
no screen control with dim light and calming activities, unfiltered Bright tablet screen, Filtered dim tablet screen, Exciting content, Calming Content
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
8 Years to 11 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Not yet recruiting No phase listed Observational

Assessing the Neurological Outcomes After Atrial Fibrillation Ablation for Rhythm Control

NCT06783868
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Catheter Ablation, Market-approved AVNB, OAC and AAD
Device · Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Results available

Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors

NCT02954809
View directory record Official record
Conditions
Fatigue, Sleep Disturbance, Circadian Dysregulation
Interventions
Morning bright light therapy, Dim light
Device
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 8, 2026, 2:33 PM EDT
Withdrawn Not applicable Interventional

Treating Sleep/Wake Cycle Disturbances in Basal Ganglia Disorders With Ramelteon

NCT00907595
View directory record Official record
Conditions
Huntington's Disease, Parkinson's Disease, Dementia With Lewy Bodies, Sleep Disorders, Circadian Dysregulation
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional

Impact of Pre-Sedation Virtual Reality Game on Post-Discharge Negative Behaviors in the Pediatric Emergency Department

NCT03980067
View directory record Official record
Conditions
Behavior, Child, Anxiety
Interventions
Virtual Reality Game
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
6 Years to 17 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Results available

Harmony Scapulohumeral Rhythm (SHR) Reliability and Efficacy Study

NCT05251077
View directory record Official record
Conditions
Stroke, Acute
Interventions
Harmony SHR, Traditional Occupational Therapy
Device · Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 8, 2026, 2:33 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Mechanisms of Cognitive Change

NCT04103775
View directory record Official record
Conditions
Psychosis
Interventions
Cognitive Remediation, Active Control
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
15 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Results available

EEG Biofeedback Therapy as an Adjunct Treatment for PTSD

NCT01591408
View directory record Official record
Conditions
PTSD, Anxiety, Trauma, Sleep Disorders
Interventions
EEG biofeedback
Device
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 40 Years · Male only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Sep 8, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Energy Drink Brands on Heart Rhythm

NCT03196908
View directory record Official record
Conditions
Electrical Alternation of Heart, Blood Pressure
Interventions
Energy Drink Brand 1, Energy Drink Brand 2, Placebo
Dietary Supplement · Other
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2018 · Synced Sep 8, 2026, 2:33 PM EDT