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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Improving Mood in Assisted Living Settings

NCT01763216
View directory record Official record
Conditions
Depressive Symptoms, Clinical Depression
Interventions
Road Tour, Boatload of Crosswords
Other
Lead sponsor
Marianne Smith
Other
Eligibility
55 Years and older
Enrollment
351 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
32
States / cities
Amana, Iowa • Bettendorf, Iowa • Carlisle, Iowa + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Combined Effect of Chronic Cannabis Use and Subconcussive Head Impacts on Brain Health

NCT04641832
View directory record Official record
Conditions
Concussion, Mild
Interventions
Soccer heading
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 26 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MyBehavior: Persuasion by Adapting to User Behavior and User Preference

NCT02359981
View directory record Official record
Conditions
Weight Loss
Interventions
MyBehavior, Generic suggestions, Smartphone
Behavioral · Device
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2015 · Synced Sep 12, 2026, 4:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning

NCT01730781
View directory record Official record
Conditions
Schizophrenia, Cannabis Dependence, Prodromal for Psychotic Illness, Family History of Alcoholism, Healthy Control, Opioid-use Disorder, Post Traumatic Stress Disorder
Interventions
[11-C]OMAR
Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
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 1, 2020 · Synced Sep 12, 2026, 4:34 AM EDT
Not yet recruiting Not applicable Interventional

Abstinence Reinforcement Therapy for Veterans Who Smoke Tobacco and Are Experiencing Homelessness

NCT07714200
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy for Smoking Cessation, Nicotine Replacement Therapy, Bupropion, Varenicline, Mobile Contingency Management, Clinic-Based Smoking Cessation Counseling
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Quit Smoking Text Message Study

NCT06111755
View directory record Official record
Conditions
Smoking Cessation
Interventions
SmokefreeTXT, Smartband
Other · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Sep 12, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Effectiveness of the Health App Recommendation Tool

NCT07216716
View directory record Official record
Conditions
Alzheimers Disease Related Dementias
Interventions
Health App Recommendation Tool (HART)
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Online Trial of Five Well-being Programs

NCT03233022
View directory record Official record
Conditions
Well-being
Interventions
Happify
Behavioral
Lead sponsor
Happify Inc.
Industry
Eligibility
18 Years and older
Enrollment
14,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Results available

Messy Memories: Mobile Application Therapy Following Critical Illness

NCT05849454
View directory record Official record
Conditions
Critical Illness, Psychological Distress, Health Behavior
Interventions
Messy Memories Intervention
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional

San Francisco Health Plan Care Support Trial

NCT02463838
View directory record Official record
Conditions
Case Management, Managed Care Program
Interventions
Care Support Intervention
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Patient Navigation for Medicaid Frequent ED Users

NCT01797068
View directory record Official record
Conditions
Chronic Illness
Interventions
Patient Navigator, Standard of Care
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 62 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Survey Compliance: Game Play Study 1

NCT03738254
View directory record Official record
Conditions
Patient Reported Outcome Measures, Compliance
Interventions
The Guardians: A smartphone game, Paper Survey, Electronic Survey
Other
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
6 Years to 24 Years
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Sep 12, 2026, 4:34 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Scalable Digital Delivery of Evidence-based Training for Family to Maximize Treatment Admission Rates of Opioid Use Disorder in Loved Ones

NCT05666856
View directory record Official record
Conditions
Community Reinforcement And Family Training, Family Health, Substance-Related Disorders
Interventions
Community Reinforcement And Family Training, We The Village Peer Community Forum
Behavioral
Lead sponsor
We The Village, Inc.
Other
Eligibility
19 Years and older
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 12, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Primary Connections for Youth and Families

NCT05964010
View directory record Official record
Conditions
Substance Use
Interventions
Standard Screening, Standard Psychoeducation, Standard Brief Negotiated Interview (BNI), Standard Referral to Treatment (RT), Family Screening, Family Psychoeducation, Family Brief Negotiated Interview (BNI), Family Facilitated Conversation (FC) & Referral to Treatment (RT)
Behavioral
Lead sponsor
The National Center on Addiction and Substance Abuse at Columbia University
Other
Eligibility
12 Years to 17 Years
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Web-based Intervention for Guardians of Children Whose One Parent Has Murdered the Other

NCT00737035
View directory record Official record
Conditions
Post-Traumatic Stress Disorder
Interventions
Interactive Healthcare Communication Application, Control Web sites
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Sep 12, 2026, 4:34 AM EDT
Not listed Not applicable Interventional

PH iWell Study to Compare an Online Interactive Technology to Self-directed Care in Overweight or Obese Individuals

NCT01325376
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Technology assisted health behavior, Self directed
Behavioral
Lead sponsor
SK Telecom Americas, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Sep 12, 2026, 4:34 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

CB1R in Synthetic Psychoactive Cannabinoids

NCT03539575
View directory record Official record
Conditions
Drug Dependence
Interventions
[11-C]OMAR
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Three Online Well-Being Programs to Improve Work-Related Outcomes

NCT03306654
View directory record Official record
Conditions
Well-being
Interventions
Happify
Behavioral
Lead sponsor
Happify Inc.
Industry
Eligibility
18 Years and older
Enrollment
6,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Sep 12, 2026, 4:34 AM EDT
Enrolling by invitation Not applicable Interventional

Treatment Decision-Making Among Patients With Chronic Rhinosinusitis

NCT07010679
View directory record Official record
Conditions
Chronic Rhinosinusitis (CRS)
Interventions
Patient Centered CRS Treatment Decision Support
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Arcadia, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 12, 2026, 4:34 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Acute Effects of Oral Nicotine Pouches

NCT07128329
View directory record Official record
Conditions
Nicotine Pouch Self-Administration, Nicotine Pharmacokinetic Study, Nicotine Pharmacodynamic Study
Interventions
Nicotine Pouches
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Phase 4 Interventional Results available

Extended-release Naltrexone and Care Management for Alcohol Dependent Frequent Emergency Department Users

NCT02445339
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Use Disorder
Interventions
XR-NTX+CM (Extended-Release Naltrexone plus Care Management)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Sep 12, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Comparing Integrative Interventions for Chronic Pelvic Pain

NCT07066345
View directory record Official record
Conditions
Pelvic Pain
Interventions
My Pelvic Plan, Bend
Device · Behavioral
Lead sponsor
Sara Till, MD, MPH
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 12, 2026, 4:34 AM EDT