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ClinicalTrials.gov public records Last synced Oct 29, 2026, 10:29 PM EDT

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

Showing 97–120 of 201 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Positive Affect Clear all
Completed Not applicable Interventional

Testing the Effectiveness of an Online Behavioral Intervention in Reducing Loneliness

NCT04112225
View directory record Official record
Conditions
Psychological Distress, Loneliness
Interventions
Happify
Behavioral
Lead sponsor
Happify Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
890 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 29, 2026, 10:29 PM EDT
Recruiting Not applicable Interventional

Project neuroARTEMIS

NCT06814275
View directory record Official record
Conditions
Stimulant Use, Human Immunodeficiency Virus (HIV), Depression
Interventions
ARTEMIS, Contingency management for Antiretroviral (ARV) adherence
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 59 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sleep Length and Euploid Embryo Transfer Prospective Study

NCT06139757
View directory record Official record
Conditions
Infertility, Female
Interventions
Oura ring
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Results available

Internet-Delivered Positive Affect Program in Managing Emotion in Young Adult Cancer Survivors

NCT02832154
View directory record Official record
Conditions
Cancer Survivor
Interventions
Internet-Based Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 39 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

The University of Michigan PCOS Intervention Using Nutritional Ketosis

NCT03987854
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
diet and lifestyle program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 29, 2026, 10:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Test of Five Weight Neutral Interventions to Improve Health Among Adults of Higher Body Weight

NCT07363616
View directory record Official record
Conditions
Obesity & Overweight, Cardiometabolic Risk Factors
Interventions
Mediterranean eating style, Physical activity, Mindful Eating, Body Appreciation, Enjoyable Exercise
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Text Messaging Intervention to Improve Retention in Care and Virologic Suppression in an Urban HIV-Infected Population

NCT01917994
View directory record Official record
Conditions
HIV, Patient Adherence, Mobile Technology
Interventions
Text Messages, Appointment Reminders
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Oct 29, 2026, 10:29 PM EDT
Terminated Not applicable Interventional

Examining the Effects of Diet on Health in Prediabetes With an Online Program

NCT02188823
View directory record Official record
Conditions
Prediabetes
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Skills to Enhance Positivity in Young Adults

NCT06621992
View directory record Official record
Conditions
Positive Affect, Mindfulness, Gratitude, Savoring, Depression
Interventions
Skills to Enhance Positivity, Treatment as Usual
Other
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 26 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Results available

Compassion Meditation for PTSD

NCT02372396
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Compassion Meditation (CM), Relaxation
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Affect Treatment for Depression and Anxiety (TAD Pilot)

NCT06488859
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Positive Affect Treatment, Positive Affect Treatment and Negative Affect Treatment
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Los Angeles, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 29, 2026, 10:29 PM EDT
Not listed No phase listed Observational

Interconception Care at the University of Mississippi Medical Center

NCT03024385
View directory record Official record
Conditions
Maternal Behavior, Depression
Interventions
Well Child Visits
Behavioral
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
13 Years to 67 Years
Enrollment
1,625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Apr 27, 2020 · Synced Oct 29, 2026, 10:29 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Researchers At UC San Diego Are Learning About the Benefits of Human Milk and How It Influences Infant and Child Health

NCT05553743
View directory record Official record
Conditions
Breastfeeding, COVID-19 Infection, COVID-19 Vaccine, Remdesivir, Antibiotics
Interventions
COVID-19 Exposure, Antibiotic
Biological · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2040
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RITCH: Reducing Disparities in Tobacco Cessation Outcomes

NCT02785536
View directory record Official record
Conditions
Smoking Cessation
Interventions
RITCh Treatment, Standard Treatment
Behavioral
Lead sponsor
The City College of New York
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2016 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Results available

Positive Psychology Intervention to Treat Diabetes Distress in Teens With Type 1 Diabetes

NCT03845465
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Positive Affect + Education, Education
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
13 Years to 17 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 29, 2026, 10:29 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Breathing-Maneuver-Induced Myocardial Oxygenation Reserve Validated by FFR (B-MORE)

NCT04126148
View directory record Official record
Conditions
Coronary Artery Stenosis
Interventions
Not listed
Lead sponsor
Matthias Friedrich
Other
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SCALE: Small Changes and Lasting Effects

NCT01198990
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Group 1, Group 2
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 100 Years
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
6
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examine the Effects of Mindfulness in Woman With a History of Child Adversity

NCT05255380
View directory record Official record
Conditions
Stress, Psychological Stress, Child Maltreatment, Depressive Symptoms, Signs and Symptoms
Interventions
Mindfulness and compassion-based practices; approximately 5-10 minutes two times/day, Mindful awareness and reporting of current thoughts and feelings, 2 times/day
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
30 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Mindfulness Based Cognitive Therapy (MBCT) Maintenance

NCT05859386
View directory record Official record
Conditions
Depression
Interventions
Mindfulness maintenance program
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Phase 4 Interventional Results available

Anhedonia, Development, and Emotions: Phenotyping and Therapeutics

NCT05487885
View directory record Official record
Conditions
Depression, Anhedonia
Interventions
Continuous theta burst stimulation (cTBS), Positive Affect Training, Ketamine Injectable Solution
Device · Behavioral · Drug
Lead sponsor
Erika Forbes
Other
Eligibility
15 Years to 25 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Results available

Version 2 of the Smoking Cessation Smartphone App "Smiling Instead of Smoking" (SiS)

NCT03951766
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco
Interventions
Smiling Instead of Smoking (SiS) App Version 2
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 29, 2026, 10:29 PM EDT
Not yet recruiting Not applicable Interventional

Lavender Sandalwood Aromatherapy Study

NCT07737392
View directory record Official record
Conditions
Pain, Mood, Patient Satisfaction, Scheduled Cesarean Sections
Interventions
Lavender-sandalwood aromatherapy tabs
Other
Lead sponsor
Memorial Hermann Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 29, 2026, 10:29 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Evaluate Established Anti-DEFA5 mAbs Diagnostic Efficacy and Safety in IBD

NCT05663671
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Colitis, Indeterminate Colitis
Interventions
Diagnostic Test
Diagnostic Test
Lead sponsor
Meharry Medical College
Other
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 29, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Skin Savvy Study: A Behavioral Skin Cancer Prevention Intervention

NCT00709306
View directory record Official record
Conditions
Skin Cancer Prevention
Interventions
UV-Detect Photos, Motivational Interviewing, Education
Device · Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years to 24 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 29, 2026, 10:29 PM EDT