Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:26 AM EDT

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

Showing 1–24 of 210 matching trials from the live ClinicalTrials.gov search.
Withdrawn Not applicable Interventional

College Students Who Self-Harm

NCT02522143
Conditions
Borderline Personality Disorder, Suicide
Interventions
Informational sessions describing BPD characteristics, Condensed-DBT treatment intervention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 27 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Smoking Cessation, Harm Reduction
Interventions
d-cycloserine, Juul e-cigarette
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preventing Opioid Overdose Mortality in the United States

NCT03924505
Conditions
Opioid Overdose
Interventions
Organize and Mobilize for Implementation Effectiveness, Dissemination
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Berkeley, California
Completed Not applicable Interventional Results available

Quit or Switch: E-cigarette Study

NCT05525078
Conditions
Tobacco Use
Interventions
e-cigarette, Nicotine patch, Nicotine lozenge
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observational Study on Mood, Inflammation, and Cognition

NCT03522103
Conditions
Inflammation, Inflammatory Response, Mood, Cognitive Change
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
421 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Harm Reduction in HIV Primary Care for PLWH Who Use Drugs

NCT05404750
Conditions
Human Immunodeficiency Virus, Substance Use, Stigma, Social
Interventions
Harm Reduction
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
3
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Assess Tobacco-related Biomarkers of Exposure in Smokers Using myBlu E-cigarettes

NCT04019626
Conditions
Healthy Volunteers
Interventions
Continue-smoking, myblu Tobacco 2.5%, myblu Tobacco 4.0%, myblu Honeymoon 2.5%, myblu Honeymoon 4.0%, JUUL 5%
Other
Lead sponsor
Fontem Ventures BV
Industry
Eligibility
21 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Tobacco Use
Interventions
Patient navigation-based tobacco harm reduction intervention
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Hershey, Pennsylvania
Recruiting Not applicable Interventional

Wellness, Alcohol, Vitals, and Emotions

NCT06982443
Conditions
Alcohol Use
Interventions
Mindfulness based relapse prevention
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
E-cigarette Use, Cigarette Smoking, Harm Reduction, Tobacco Use
Interventions
E-cigarettes, Oral nicotine pouches
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Trigger Point Dry Needling Practice in Colorado: Practitioner and Patient

NCT04040218
Conditions
Dry Needling, Harm
Interventions
Dry Needling
Procedure
Lead sponsor
Regis University
Other
Eligibility
18 Years and older
Enrollment
2,607 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Denver, Colorado
Withdrawn Not applicable Interventional

Interrupting Self-Harm Study

NCT03550521
Conditions
Nonsuicidal Self-injury
Interventions
Mindfulness
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
12 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers Results available

Naloxone Auto-injector as a Universal Precaution for Patients With Opioid Use Disorder

NCT02669901
Conditions
Opiate Antagonist Overdose, Opioid-Related Disorders
Interventions
Naloxone Auto-Injector
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
395 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Oral Tobacco Products Compared to a Medicinal Nicotine

NCT00710034
Conditions
Tobacco Use Disorder
Interventions
Oral tobacco, Nicotine Gum
Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
391 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Minneapolis, Minnesota • Eugene, Oregon
Recruiting Not applicable Interventional Accepts healthy volunteers

Trial of a Harm Reduction Strategy for People With HIV Who Smoke Cigarettes

NCT05642715
Conditions
Hiv, Tobacco Use
Interventions
EX+, Varenicline, HR, TAU
Behavioral · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
40 Years to 79 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Clinical Decision Support for Safety of Opioid Transitions

NCT06527040
Conditions
Medication Abuse, Harm Reduction
Interventions
Opioid Transitions Clinical Decision Support (CDS)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 89 Years
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Completed No phase listed Observational Accepts healthy volunteers

Clinical Decision Support to Improve System Naloxone Co-prescribing

NCT06271668
Conditions
Medication Abuse, Harm Reduction, Opioid Overdose, Opioid Prescribing
Interventions
Naloxone Co-prescribing Clinical Decision Support (CDS)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 89 Years
Enrollment
114,272 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Smartphone Technology: Young Adult Drinking

NCT02963818
Conditions
Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions
Smartphone breathalyzer device/app use, BAC estimator app use, Text messaging procedure
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 25 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Suicide and Self Harm
Interventions
Safety planning
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Cardiovascular Disease, Tobacco Use Disorder
Interventions
Nicotine replacement, Motivational counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Minneapolis, Minnesota
Conditions
Opioid Use Disorder, Opioid Use
Interventions
Sub-acute stabilization
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
40,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Tobacco Use
Interventions
Experimental: Test Product 1, Experimental: Test Product 2
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
10
States / cities
Burbank, California • Wichita, Kansas • Lexington, Kentucky + 7 more
Enrolling by invitation Not applicable Interventional

CPNF Intervention Development and Testing

NCT07036198
Conditions
Alcohol Use
Interventions
Customizable personalized normative feedback (CPNF), Personalized normative feedback (PNF), Attention-Matched Control (AMC)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Opiate Overdose, Fentanyl Overdose, Harm Reduction
Interventions
Fentanyl Test Strips
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Columbus, Ohio