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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:01 AM EDT

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Showing 1–24 of 280 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Drug Users Clear all
Enrolling by invitation Not applicable Interventional

Patient-centered Precision Medicine Lab Result Communication for Older Adults

NCT07391904
View directory record Official record
Conditions
Chronic Kidney Disease (CKD), Health Communication, Patient Comprehension
Interventions
Chronic Kidney Disease (CKD) Lab Result Communication Tool
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Motivational Interviewing to Increase Uptake of Drug Checking and Safe Drug Use Behaviors to Reduce Overdose

NCT06855836
View directory record Official record
Conditions
Overdose
Interventions
MI-CHANCE (TS + FTIR + MI), TS + FTIR + Flu and Hepatitis A Education
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
588 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Withdrawn No phase listed Observational

Measures to Improve Outcomes After an Opioid Overdose

NCT03968237
View directory record Official record
Conditions
Opioid Overdose
Interventions
Buprenorphine/Naloxone
Drug
Lead sponsor
Nassima Ait-Daoud Tiouririne
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Recruiting Phase 4 Interventional

Young Houston Emergency Opioid Engagement System

NCT04811014
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opioid Overdose, Opioid Use, Substance Use Disorders
Interventions
Buprenorphine, Naloxone Drug Combination, Individual Counseling, Peer Recovery Support Services, Support Group, Referral to Medication Management, Assertive Outreach
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
13 Years to 17 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Not applicable Interventional Results available

Effect of Oxytocin on Stress in Marijuana Users

NCT01335789
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Oxytocin, Saline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Older Adults' Attitudes Towards Stopping Aspirin

NCT07305376
View directory record Official record
Conditions
Medication Overuse
Interventions
Additional harm information, Less information
Other
Lead sponsor
University of Michigan
Other
Eligibility
65 Years and older
Enrollment
2,819 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Crossover Study to Evaluate the Abuse Potential of Intranasal Esketamine Compared to Racemic Intravenous Ketamine in Nondependent, Recreational Drug Users

NCT02682225
View directory record Official record
Conditions
Drug Abuse
Interventions
Intravenous placebo, Intranasal placebo, Intravenous racemic ketamine, Esketamine 112 mg, Esketamine 84 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 22, 2026, 5:01 AM EDT
Completed No phase listed Observational

HIV Infection and Tobacco Use Among Injection Drug Users in Baltimore, Maryland: A Pilot Study of Biomarkers

NCT00491335
View directory record Official record
Conditions
HIV Infections, AIDS, Lung Cancer, Tobacco Addiction, Drug Addiction
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 5:01 AM EDT
Not listed Phase 2 Interventional

Ultrasound-Guided Treatments for Shoulder Pain in Wheelchair Users With Spinal Cord Injury

NCT04136743
View directory record Official record
Conditions
Spinal Cord Injuries, Tendinopathy, Rotator Cuff Tears, Shoulder Pain
Interventions
Lipogems, Dexamethasone
Device · Drug
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 14, 2022 · Synced Oct 22, 2026, 5:01 AM EDT
Terminated Not applicable Interventional Results available

A Drug Treatment for Cocaine Users Who Are Also on Methadone Maintenance Treatment

NCT01802515
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
Atomoxetine, low dose, Atomoxetine, high dose, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Oct 22, 2026, 5:01 AM EDT
Active, not recruiting Phase 4 Interventional

Vending Machine Naloxone Distribution for Your Community (VENDY)

NCT06429436
View directory record Official record
Conditions
Harm Reduction, Naloxone, Opioid Overdose
Interventions
VENDY
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Denver, Colorado • Frisco, Colorado • Pueblo, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Not applicable Interventional

Recovery Initiation and Management After Overdose (RIMO) Experiment

NCT03895827
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Recovery Initiation and Management after Overdose (RIMO), Passive Referral to Treatment Control
Behavioral · Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years and older
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Intranasal (IN) Buprenorphine Versus Buprenorphine/Naloxone

NCT01760473
View directory record Official record
Conditions
Heroin Dependence
Interventions
Intranasal challenge drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2017 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Abuse Potential of ACT-541468 in Healthy Recreational Drug Users

NCT03657355
View directory record Official record
Conditions
Healthy Recreational Drug Users
Interventions
ACT-541468, Suvorexant, Zolpidem, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 22, 2026, 5:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Women's Justice Community Overdose Innovation Network - Phase II

NCT07179614
View directory record Official record
Conditions
Overdose Risk, Opioid Use Disorder, Stimulant Use Disorders
Interventions
Overdose Prevention Intervention Package (OPIP)
Behavioral
Lead sponsor
Michele Staton
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
3
States / cities
Barbourville, Kentucky • Harlan, Kentucky • Hyden, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Not listed Phase 4 Interventional

Nasal Naloxone for Narcotic Overdose

NCT01912573
View directory record Official record
Conditions
Drug Overdose
Interventions
Intranasal (IN) naloxone, Intravenous (IV) naloxone, Intramuscular (IM) naloxone, Intraosseus (IO) naloxone
Drug
Lead sponsor
Judith Feinberg
Other
Eligibility
12 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Batavia, Ohio • Portsmouth, Ohio • West Union, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Abuse Potential of Lasmiditan in Participants Who Are Recreational Drug Users

NCT03286218
View directory record Official record
Conditions
Recreational Drug Use, Prescription Drug Abuse (Not Dependent)
Interventions
Lasmiditan, Alprazolam, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 3 Interventional

An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users

NCT00841477
View directory record Official record
Conditions
Hepatitis B Infection, Hepatitis C Infection, HIV Infection
Interventions
hepatitis B vaccine 3 dose schedule (0,1,2 month), HBV Vaccination Self-Efficacy Intervention
Biological · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
1,260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

To Assess the Safety of a Sunscreen Product

NCT02803320
View directory record Official record
Conditions
Sunscreening Agents
Interventions
SPF 50 Y65 110 (BAY 987516)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Oral Gabapentin in Healthy, Non-Drug-Dependent Individuals With Recreational Sedative Drug Use Experience

NCT07777965
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users
Interventions
Alprazolam (Xanax), Placebo, Gabapentin (Neurontin® (Registered Trademark))
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Justice Community Overdose Innovation Network II TCU Hub

NCT07528846
View directory record Official record
Conditions
Substance Use Disorder (SUD), Drug Overdose, Criminal Behavior
Interventions
Core-interagency community engagement approach, Enhanced-Core plus community engagement specialist
Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years and older
Enrollment
1,620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smartphone Intervention for Overdose and COVID-19

NCT05518461
View directory record Official record
Conditions
Substance Use Disorders, Overdose, COVID-19
Interventions
iThrive WI Intervention
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 22, 2026, 5:01 AM EDT
Active, not recruiting Not applicable Interventional

Evaluating an Intervention to Prevent Overdoses in Rural and Urban Counties

NCT05463341
View directory record Official record
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
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 22, 2026, 5:01 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Abuse Liability of Suboxone Versus Subutex

NCT00710385
View directory record Official record
Conditions
Opioid-related Disorders
Interventions
Heroin, Naloxone, Low Bup Dose, High Bup Dose, Low Bup/Nal Dose, High Bup/Nal Dose, Placebo (PCB)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 22, 2026, 5:01 AM EDT