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Showing 1–24 of 260 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Positive Attitude Clear all
Completed Not applicable Interventional

CCTG 594: Engagement and Retention in Care for HIV+

NCT01957748
View directory record Official record
Conditions
Patient Adherence, HIV Positive
Interventions
SoC + ALERT Intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
3
States / cities
Los Angeles, California • San Diego, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Sep 6, 2026, 7:34 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 Sep 6, 2026, 7:34 PM EDT
Recruiting Not applicable Interventional

Positive Emotions Following Acute Cardiac Events

NCT05412862
View directory record Official record
Conditions
Acute Coronary Syndrome, Physical Inactivity
Interventions
Positive Psychology + Motivational Interviewing
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 95 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Phase 2 Interventional

Steppin' Up: Positive Youth Development Program

NCT00341224
View directory record Official record
Conditions
Mentoring
Interventions
Group-mentoring intervention
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 6, 2026, 7:34 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Implementation Strategies for Caregiver and Teacher Use of Behavioral Interventions: Aim 2

NCT07321327
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder Symptoms
Interventions
Positive Behavior Management Toolkit for Caregivers, Positive Behavioral Management Toolkit for Teachers
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Results available

Positive Valence System Enhancement Treatment for Anxiety and Depression: Clinical Efficacy and Neural Changes

NCT02330627
View directory record Official record
Conditions
Anxiety Disorders and Symptoms, Depression
Interventions
Positive Valence System Treatment
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Sep 6, 2026, 7:34 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Study of a Mental Fitness Intervention for Anesthesiology Resident Wellbeing and Self-Compassion

NCT07639827
View directory record Official record
Conditions
Wellness, Self Compassion, Burnout, Anxiety, Depression
Interventions
App-based bundled mental fitness intervention, App-based wellness module collection
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 6, 2026, 7:34 PM EDT
Terminated Phase 2 Interventional

Robotic Surgery for Oropharyngeal Squamous Cell Carcinoma

NCT02225496
View directory record Official record
Conditions
Oropharyngeal Cancer
Interventions
Transoral Robotic Surgery (TORS), Modified Barium Swallow (MBS), Questionnaires
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Results available

Patch Study - Intervention for HIV Positive Smokers

NCT02982772
View directory record Official record
Conditions
Smoking Cessation, HIV
Interventions
Combination Therapy, Standard Care Intervention
Other
Lead sponsor
dr. maria miguez
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Effect of Self-Management on Improving Sleep Apnea Outcomes

NCT00310310
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
Sleep Apnea Self-Management Program, Usual care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 6, 2026, 7:34 PM EDT
Completed No phase listed Observational

Health Behaviors in School-age Children: A World Health Organization Cross-National Study

NCT00341510
View directory record Official record
Conditions
Health Behavior
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
7 Years to 16 Years
Enrollment
14,350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional

Trial of a Positive Psychology Intervention in Major Depressive Disorder

NCT02004145
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Positive Psychology, Control Condition
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Positive Affect Regulation sKills at Northwestern University

NCT04367922
View directory record Official record
Conditions
Anxiety, Depression, Social Isolation
Interventions
Positive Emotion Skills Course
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Results available

Developing a Positive Psychology Intervention to Promote Health Behaviors in Metabolic Syndrome: Proof-of Concept Trial

NCT03473886
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Intervention arm: PP-MI
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 6, 2026, 7:34 PM EDT
Not listed Not applicable Interventional

Students With Involved Families and Teachers

NCT05890456
View directory record Official record
Conditions
Emotional Regulation, Adolescent Behavior, Parenting
Interventions
Students with Involved Families and Teacher Program, Services As Usual
Behavioral
Lead sponsor
Oregon Social Learning Center
Other
Eligibility
10 Years to 16 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of the Restorative Practices Intervention

NCT02155296
View directory record Official record
Conditions
Intervention Schools (Schools Receiving RPI), Control Schools (Schools Not Receiving RPI)
Interventions
Restorative Practices Intervention
Behavioral
Lead sponsor
RAND
Other
Eligibility
12 Years and older
Enrollment
3,516 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
13
States / cities
Bath, Maine • Boothbay Harbor, Maine • Bucksport, Maine + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Sep 6, 2026, 7:34 PM EDT
Completed No phase listed Observational

A Qualitative Exploration of the Impact of Positive BRCA1/2 Mutation Status on the Lives of Young Women

NCT00858078
View directory record Official record
Conditions
BRCA1 Gene, BRCA2 Gene
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced Sep 6, 2026, 7:34 PM EDT
Not listed Not applicable Interventional

A Pilot Study to Examine Efficacy of Peer Mentoring in Promoting Medication Adherence Among People Living With HIV/AIDS

NCT02025322
View directory record Official record
Conditions
HIV
Interventions
Peer Mentoring
Behavioral
Lead sponsor
Jury Candelario
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

PET Imaging of the Dopaminergic and Serotonergic Systems in Treated HIV Positive Subjects

NCT03581305
View directory record Official record
Conditions
Depression, HIV Infections, HIV-Associated Cognitive Motor Complex
Interventions
18F-FDOPA, 11C-DASB
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional

Exercise Intervention After Cancer Treatment for Improving Health in Stage II-III Breast Cancer Survivors

NCT03523195
View directory record Official record
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Cancer Survivor, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Sedentary Lifestyle
Interventions
Exercise Intervention, Informational Intervention, Laboratory Biomarker Analysis, Monitoring Device, Questionnaire Administration, Physical Performance Testing
Behavioral · Other · Device
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
19 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Sep 6, 2026, 7:34 PM EDT
Active, not recruiting Phase 4 Interventional

Single and Combined Effects of Behavioral, Academic, and Medication Treatments for ADHD in the Classroom

NCT05469386
View directory record Official record
Conditions
ADHD
Interventions
Methylphenidate Hydrochloride ER, Behavioral classroom, Placebo, General Classroom, Academic Accommodations
Drug · Behavioral
Lead sponsor
Florida International University
Other
Eligibility
5 Years to 12 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Miami, Florida • Amherst, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 6, 2026, 7:34 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Skills for Talking About Cannabis for Families of Young Adults With Psychosis

NCT06961877
View directory record Official record
Conditions
Caregiver Burden, Cannabis Use, Expressed Emotion, Communications Skills
Interventions
Cannabis Conversation Skills for Families (CCSF)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 6, 2026, 7:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Life Enhancing Activities for Family Caregivers (LEAF 2.0)

NCT03610698
View directory record Official record
Conditions
Caregivers
Interventions
LEAF Positive Emotion Intervention, Emotion Reporting Control Condition
Behavioral · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 6, 2026, 7:34 PM EDT
Not yet recruiting Not applicable Interventional

Adolescent Mental Health Parenting Program for Child-Adult Relationship Enhancement

NCT07303062
View directory record Official record
Conditions
Adolescent Behavior
Interventions
Adolescent Mental Health Parenting Program for Child-Adult Relationship Enhancement (AMP-CARE)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Cary, North Carolina • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 6, 2026, 7:34 PM EDT