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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:19 AM EDT

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Showing 25–48 of 2,490 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Health effects Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Colorado Marijuana Users Health Cohort

NCT02735954
View directory record Official record
Conditions
COPD, Insomnia, Cannabis
Interventions
Marijuana
Other
Lead sponsor
National Jewish Health
Other
Eligibility
21 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Results available

Encouraging Flu Vaccination Among High-Risk Patients Identified by ML

NCT04323137
View directory record Official record
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Risk reduction, Medical records-based recommendation, Algorithm-based recommendation
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
17 Years and older
Enrollment
117,649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Oct 19, 2026, 10:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Program-related Communications on Enrollment: Replication

NCT04289623
View directory record Official record
Conditions
Health Promotion, Wellness Program
Interventions
Email, Loss frame, Testimonial (medical expert), Testimonial (rank-and-file), Social norms (percentage), Social norms (number)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
13,546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nudging Provider Adoption of Clinical Decision Support

NCT05203185
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
Pulmonary Embolism Risk Kalculator (PERK)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
25 Years to 70 Years
Enrollment
1,612 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Huntington, New York • Valley Stream, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2023 · Synced Oct 19, 2026, 10:19 AM EDT
Recruiting Phase 4 Interventional

Testosterone Replacement Therapy for the Treatment of Low Testosterone in Hypogonadal Men With Localized Prostate Cancer on Active Surveillance

NCT06733350
View directory record Official record
Conditions
Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Biopsy of Prostate, Biospecimen Collection, Magnetic Resonance Imaging, Patient Observation, Questionnaire Administration, Therapeutic Testosterone
Procedure · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Very Low Calorie and Low Calorie Diet on Moderate to Severe Obstructive Sleep Apnea in Obese Adults

NCT02251574
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Low Calorie Diet, Very Low Calorie Diet, Standard Care
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Results available

Informing Policy to Implement Pediatric Family Engagement in Meaningful Use Stage 3

NCT01966068
View directory record Official record
Conditions
Asthma
Interventions
MyAsthma Web Portal
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Not listed
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Elk Grove Village, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 17, 2016 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Yoga, Immune Function, and Health

NCT00371397
View directory record Official record
Conditions
Healthy
Interventions
Hatha Yoga Classes, Movement Control
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Oct 19, 2026, 10:19 AM EDT
Active, not recruiting Phase 2 Interventional

The Effect of Acupuncture on Cancer-Related Cognitive Difficulties

NCT04837820
View directory record Official record
Conditions
Breast Cancer
Interventions
Acupuncture, Sham Acupuncture, Wait-List Control (WLC), Questionnaires
Procedure · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional

Lakeshore Examination of Activity and Disability Exercise Response Study

NCT02533882
View directory record Official record
Conditions
Multiple Sclerosis, Stroke
Interventions
Movement to Music, Adapted Yoga
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Phase 3 Interventional Results available

VA Augmentation and Switching Treatments for Improving Depression Outcomes

NCT01421342
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Switching: Bupropion-SR, Augmenting: Antidepressant + Bupropion-SR, Augmenting: Antidepressant + Aripiprazole
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
1,522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
35
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Tucson, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 29, 2018 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of the Amino Acid L-Theanine on Alertness and Vigilance

NCT01851122
View directory record Official record
Conditions
Theanine, (L)-Isomer
Interventions
L-theanine capsule, Placebo capsule
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 19, 2026, 10:19 AM EDT
Withdrawn Not applicable Interventional

Intensive Lifestyle Intervention for Type 2 Diabetics: The KP TLC Pilot

NCT01484353
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Coronary Health Improvement Project Program
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2015 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness for at Risk Youth: Understanding Substance Use and Important Mechanisms of Change

NCT04160754
View directory record Official record
Conditions
Alcohol Use, Underage, Alcohol Problem Drinking, Substance Use
Interventions
Mindfulness Based Relapse Prevention, Control (CTL)
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Oct 19, 2026, 10:19 AM EDT
Withdrawn Not applicable Interventional

Innovative Minimally Invasive Options in Treatment of Urinary Problems Related to Prostate Enlargement (BPH) in Men

NCT03043222
View directory record Official record
Conditions
Lower Urinary Tract Symptoms, Benign Prostatic Hyperplasia, Urinary Frequency/Urgency, Urinary Incontinence, Urge, Incontinence, Urinary, Nocturia
Interventions
UroLift as artifical device for prostatic urethral lift., Embospheres Microspheres as embolic agents for prostate artery embolization
Device
Lead sponsor
St. Louis University
Other
Eligibility
40 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional

Pain and Fatigue Study

NCT00006253
View directory record Official record
Conditions
Carcinoma
Interventions
Nurse, Non-nurse coach
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Oct 19, 2026, 10:19 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Deliver-EE: Evaluating Effects of Meal Delivery

NCT05357261
View directory record Official record
Conditions
Healthy
Interventions
Wellness Check and Socialization, Prepared Meals
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
66 Years and older
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
14
States / cities
San Diego, California • Clearwater, Florida • Jacksonville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Prevention Through Social Connections Among Adolescents - ASPIRE

NCT02703597
View directory record Official record
Conditions
Tobacco Use Behavior
Interventions
Surveys, ASPIRE, GSA-ASPIRE-Network
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
11 Years to 18 Years
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Oct 19, 2026, 10:19 AM EDT
Recruiting Phase 2 Interventional

Study of REGN13335 in Adult Participants With Pulmonary Arterial Hypertension (PAH)

NCT07318597
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
REGN13335, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Aurora, Colorado • Boston, Massachusetts • Omaha, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of the App HeartBot on the Stress and Emotional Well-Being Over a 21-day Challenge

NCT04589520
View directory record Official record
Conditions
Stress, Mental Health Wellness 1
Interventions
HeartBot App
Behavioral
Lead sponsor
Ranjani Iyer
Other
Eligibility
14 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Novi, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Phase 2 Interventional Results available

Effect of Improved Oral Hygiene to Prevent Pneumonia in Hospitalized Patients

NCT00123123
View directory record Official record
Conditions
Pneumonia
Interventions
chlorhexidine gluconate oral rinse (0.12%), placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Phase 2 Interventional Results available

Phase II/III Study Evaluating the Effect of IL-2 on Preservation of the CD4 T-Lymphocytes After Interruption of Antiretroviral Treatment in HIV-Infected Patients With CD4 T-Lymphocyte Count Greater Than 500 Cells/mm3 Who Received Antiretroviral Tx

NCT00071890
View directory record Official record
Conditions
HIV Infections
Interventions
Interleukin 2, HAART, Treatment interruption
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2010 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Effect of Exercise on Sex Hormones in Postmenopausal Women

NCT00668174
View directory record Official record
Conditions
Breast Cancer Prevention
Interventions
Exercise
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 28, 2012 · Synced Oct 19, 2026, 10:19 AM EDT
Completed Not applicable Interventional Results available

Continuous Glucose Monitoring (CGM) With a Low Carbohydrate Diet to Reduce Weight in Patients With Pre-Diabetes

NCT03695913
View directory record Official record
Conditions
Pre-diabetes
Interventions
Normal Diet, Low carb diet, CGM with no real time feedback, CGM with real time feedback), Education material
Other · Device · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Livonia, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Oct 19, 2026, 10:19 AM EDT