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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Positive Attitude Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Trial of the Positive Action Program in Chicago Schools and Extension to Grade 8

NCT01025674
View directory record Official record
Conditions
Character, Violence, Substance Use, Pro-Social Behavior, Academic Achievement
Interventions
Positive Action program
Behavioral
Lead sponsor
Oregon State University
Other
Eligibility
6 Years and older
Enrollment
4,230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
2
States / cities
Chicago, Illinois • Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 21, 2015 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available

Piloting "Positive Peer Journaling" a Journaling Practice to Support Recovery From Addiction

NCT03903159
View directory record Official record
Conditions
Addiction
Interventions
Positive Peer Journaling (PPJ)
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Saint Louis Park, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Standard Follow-up Compared With Extended Follow-up in Treating Patients Who Have Undergone Stem Cell Transplantation for Cancer

NCT00049465
View directory record Official record
Conditions
Cancer
Interventions
fatigue assessment and management, management of therapy complications, psychosocial assessment and care
Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
9
States / cities
Stanford, California • Denver, Colorado • Gainesville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2010 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Hope: Hospital Visit is an Opportunity for Prevention and Engagement With HIV-positive Crack Users

NCT00447798
View directory record Official record
Conditions
HIV Infections, Crack Cocaine Use, Risky Sexual Behavior
Interventions
Prevention Care Advocate
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
2
States / cities
Miami, Florida • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Sep 20, 2026, 5:43 AM EDT
Active, not recruiting Not applicable Interventional

Virtual Reality in Hemodialysis to Improve Psychological Well-being

NCT05642364
View directory record Official record
Conditions
End Stage Kidney Disease, Depressive Symptoms
Interventions
Joviality(TM), Inert Virtual Reality
Behavioral · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Piloting Text Messages to Promote Positive Affect and Physical Activity

NCT04077229
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Intervention arm: Text Message Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

A Text Message Intervention to Promote Health Behaviors in Cardiac Risk Conditions

NCT04382521
View directory record Official record
Conditions
Hyperlipemia, Hypertension, Type2 Diabetes
Interventions
Text Message Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Development of Positive Psychotherapy for Smoking Cessation

NCT01451814
View directory record Official record
Conditions
Smoking
Interventions
Positive Psychotherapy for smoking cessation, Nicotine polacrilex, Relaxation training, Behavioral smoking cessation treatment
Behavioral · Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 20, 2026, 5:43 AM EDT
Active, not 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
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 20, 2026, 5:43 AM 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 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Evaluating Behavioral Treatments to Improve Adherence to Continuous Positive Airway Pressure (CPAP) Therapy in People With Obstructive Sleep Apnea (The BREATHE Study)

NCT00623246
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Continuous Positive Airway Pressure
Interventions
MET, ED
Behavioral
Lead sponsor
National Jewish Health
Other
Eligibility
30 Years to 80 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Evaluation of Behavioral Intervention for HIV Positive Prisoners in NC and TX

NCT01629316
View directory record Official record
Conditions
HIV Infection
Interventions
Text reminders, counseling, and link coordination, Standard of care - control arm
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Building Community Capacity for Disability Prevention for Minority Elders (Positive Minds - Strong Bodies)

NCT02317432
View directory record Official record
Conditions
Depression, Anxiety, Physical Disability
Interventions
Comparison of a combined CBT + exercise intervention and enhanced usual care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
7
States / cities
Aventura, Florida • Boston, Massachusetts • Chelsea, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available

Positive Minds Strong Bodies Implementation

NCT04545593
View directory record Official record
Conditions
Depression, Anxiety, Physical Disability
Interventions
Positive Minds Strong Bodies Enhanced, Enhanced Usual Care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Phase 1 Interventional Results available

Text Messaging to Increase Activity in Midlife

NCT04849052
View directory record Official record
Conditions
Middle Aged
Interventions
MASTERY, Attentional Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 64 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Specialized Cognitive-Behavioral Counseling Intervention to Reduce HIV Transmission Risk Behavior in HIV-Infected Men

NCT00218712
View directory record Official record
Conditions
HIV Infections
Interventions
Cognitive behavioral intervention, Standard counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced Sep 20, 2026, 5:43 AM 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 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available

Skills to Enhance Positive Affect in Suicidal Adolescents

NCT02130583
View directory record Official record
Conditions
Suicidal Ideation, Suicide, Attempted
Interventions
Positive Affect Skills Training, Treatment as Usual
Behavioral
Lead sponsor
Brown University
Other
Eligibility
12 Years to 18 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internal Cues Versus External Cues for Eating and Activity

NCT04025099
View directory record Official record
Conditions
Eating Behavior, Body Image, Diet Habit, Dietary Habits
Interventions
Internal Cues, External Cues
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Sep 20, 2026, 5:43 AM EDT
Active, not recruiting Phase 1 Interventional

Early Phase Clinical Trial About Therapeutic Biological Product Mix for Treating CEA Positive Rectal Cancer

NCT02403505
View directory record Official record
Conditions
Rectal Cancer
Interventions
CEA protein antigen plus BCG Vaccine Mix for percutaneous use
Biological
Lead sponsor
Han Xu, M.D., Ph.D., FAPCR, Sponsor-Investigator, IRB Chair
Industry
Eligibility
24 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Phase 4 Interventional Results available

Alcohol Research Consortium in HIV-Intervention Research Arm

NCT02938377
View directory record Official record
Conditions
HIV Positive, Alcohol Use
Interventions
Computerized Brief Intervention (CBI), CBT4CBT, Recommendation and Counseling for Alcohol Pharmacotherapy
Behavioral · Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
4,985 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Birmingham, Alabama • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

RESCUE Stroke Caregiver Website to Enhance Discharge Planning

NCT01600131
View directory record Official record
Conditions
Depression, Quality of Life, Self Efficacy, Recovery of Function, Stress, Positive Aspects of Caregiving
Interventions
Caregiver problem-solving, Standard Care
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
3
States / cities
Gainesville, Florida • Miami, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2023 · Synced Sep 20, 2026, 5:43 AM EDT
Completed Not applicable Interventional

Intervention to Improve Engagement in Care Among Newly Diagnosed HIV-positive Men

NCT01559805
View directory record Official record
Conditions
HIV, Patient Compliance
Interventions
Positive Choices, Personalized Cognitive Counseling
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
4
States / cities
New Haven, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2022 · Synced Sep 20, 2026, 5:43 AM 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 Sep 20, 2026, 5:43 AM EDT