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Showing 1–24 of 64 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Positive Affect Clear all
Completed Phase 2 Interventional

A Pilot Study of the Effects of Diet and Behavioral Interventions on Health in Diabetics

NCT01713764
View directory record Official record
Conditions
Diabetes Type II
Interventions
Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2013 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional Results available

Trial on the Effect of E-cigarette Advertising on Cigarette Perceptions in Adolescents

NCT03786042
View directory record Official record
Conditions
Attentional Bias, Smoking Cues, Positive Perceptions About Cigarette Smoking, Social Norms, Smoking Susceptibility
Interventions
E-cigarette ad exposure, non e-cigarette TV commercials
Behavioral · Other
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
14 Years to 17 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Positive Affect as a Source of Resilience for Adults in Chronic Pain

NCT04869345
View directory record Official record
Conditions
Geriatric, Chronic Pain
Interventions
LARKSPUR
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
50 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2023 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

Examining Effects of a Therapeutic Focus on Positive Memories on Post-Trauma Health

NCT05523453
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Affect, Memory
Interventions
Processing of Positive Memories Technique (PPMT), Supportive Counseling (SC)
Behavioral
Lead sponsor
University of North Texas, Denton, TX
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 21, 2026, 12:48 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 Sep 30, 2024 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional Results available

Adaptability and Resilience in Aging Adults-2

NCT04068922
View directory record Official record
Conditions
Aging, Chronic Low-back Pain
Interventions
Resilience Intervention
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
60 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

Evaluating the Feasibility, Acceptability, and Preliminary Outcomes of Heart Rate Variability Biofeedback for Individuals With Opioid Use Disorder.

NCT07361731
View directory record Official record
Conditions
Autonomic Nervous System Imbalance, Heart Rate Variability (HRV), Opioid Use Disorder, Breathing Techniques, Opioid Craving, Recovery, Emotional Regulation, Positive and Negative Affect, Stress, Biofeedback
Interventions
Heart rate variability biofeedback
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Recruiting Not applicable Interventional

Mindfulness Training During Accelerated TMS for Depression

NCT07369557
View directory record Official record
Conditions
Depression
Interventions
Guided Mindfulness Practice using a study created web app that links to the commercially available Waking Up app
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Parent Encouragement And Coaching of Happiness in Youth

NCT06725160
View directory record Official record
Conditions
Depression, Parent-Child Relations
Interventions
Parent Coaching, Active Control
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
4 Years to 99 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Recruiting Phase 2 Interventional

Training Reward Responsiveness Through Virtual Reality

NCT07219875
View directory record Official record
Conditions
Positive Affect, Depression
Interventions
Virtual Reality-Reward Training (VR-RT), Virtual Reality-Memory Training (VR-MT)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Affect Induction for Lab Induced Pain in Healthy Undergraduates

NCT05619419
View directory record Official record
Conditions
Meditation, Pain, Mindfulness, Affect, Emotion Regulation
Interventions
Mindfulness-enhanced positive affect induction, Breathing Meditation
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Jul 21, 2026, 12:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Fostering Optimal Regulation of Emotion for Prevention of Secondary Trauma (FOREST)

NCT05942469
View directory record Official record
Conditions
Burnout, Burnout, Professional, Positive Affect, Depression, Anxiety, Compassion Fatigue, Job Stress
Interventions
FOREST
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

Effects of a Wellbeing Intervention on Inflammation Through Reward and Threat Processes

NCT06294145
View directory record Official record
Conditions
Low Positive Affect
Interventions
Savoring Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 25 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Life Enhancing Activities for Family Caregivers

NCT01825681
View directory record Official record
Conditions
Stress, Dementia, Affect
Interventions
Positive Affect
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2019 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Phase 2 Interventional

Examining the Effects of Diet on Health With an Online Program

NCT01967992
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

THRIVE Study: Positive Affect Training for Endocrine Therapy Medication Adherence

NCT06388304
View directory record Official record
Conditions
Breast Cancer, DCIS
Interventions
THRIVE Online PAT Program
Behavioral
Lead sponsor
Joanna Arch
Other
Eligibility
21 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Enrolling by invitation Not applicable Interventional

Causal Role of Rostromedial Prefrontal Cortex for Positive Savoring in Depression

NCT07467473
View directory record Official record
Conditions
Left Rostromedial Prefrontal Cortex - Accelerated Intermittent Theta Burst, Left Dorsolateral Prefrontal Cortex - Accelerated Intermittent Theta Burst, Left Primary Somatosensory Cortex - Accelerated Intermittent Theta Burst
Interventions
Accelerated Intermittent Theta Burst Transcranial Magnetic Stimulation
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Phase 1 Interventional

Virtual Reality-Reward Training for Anhedonia

NCT05342077
View directory record Official record
Conditions
Positive Affect, Depression
Interventions
Virtual Reality-Reward Training (VR-RT), Virtual Reality-Memory Training (VR-MT)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

Online Positive Emotion Skills Intervention for Symptoms of Depression

NCT01964820
View directory record Official record
Conditions
Depression, Psychological Stress, Affect
Interventions
Positive Affect Skills Training
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 2, 2018 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

Boosting Emotions & Happiness in Outpatients Living With Diabetes

NCT02736084
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Positive Psychology
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Jul 21, 2026, 12:48 PM EDT
Not listed Not applicable Interventional

Intervention to Support Participation in Regular Exercise in the Elderly (INSPIRE)

NCT02464254
View directory record Official record
Conditions
Chronic Illnesses
Interventions
Physical activity plus positive affect, Physical activity plus education
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years to 110 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Find Out How Multiple Doses of BIIB091 Affect the Electrical Activity of the Heart in Healthy Participants

NCT06574828
View directory record Official record
Conditions
Healthy Volunteer
Interventions
BIIB091, Moxifloxacin, BIIB091-matched Placebo, Moxifloxacin-matched Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Jul 21, 2026, 12:48 PM EDT
Completed Not applicable Interventional

A Pilot Study of Positive Affect Training

NCT01853098
View directory record Official record
Conditions
Affect (Mental Function), Compassion
Interventions
Positive Affect Training (PAT)
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Jul 21, 2026, 12:48 PM EDT
Completed No phase listed Observational

Role of Positive Affect in Adjustment to HIV

NCT00582023
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Jul 21, 2026, 12:48 PM EDT