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ClinicalTrials.gov public records Last synced May 22, 2026, 3:43 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 273 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Drug Users Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Chemical Teratogen Exposure, Contraception Behavior, Contraception
Interventions
EMR Referral, CTIS Counseling, Baseline Questionnaire, Contraception Provision Appointment, 3 Month Follow Up Questionnaire, 6 Month Follow Up Questionnaire
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced May 22, 2026, 3:43 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Hepatitis C
Interventions
Data-assisted Case Navigation, Standard of Care
Behavioral
Lead sponsor
National Opinion Research Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Opioid Overdose, Drug Overdose
Interventions
PROVIDENT
Behavioral
Lead sponsor
Brown University
Other
Eligibility
Not listed
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced May 22, 2026, 3:43 AM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Overdose, Death
Interventions
No intervention, observational retrospective study
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
16 Years and older
Enrollment
27,257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced May 22, 2026, 3:43 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
COEST
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced May 22, 2026, 3:43 AM EDT
Completed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
HIV
Interventions
Peer Mentoring Intervention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
5
States / cities
San Francisco, California • Miami, Florida • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Opioid Overdose
Interventions
RELAY
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced May 22, 2026, 3:43 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Drug Abuse, HIV Infections
Interventions
Injection and Non-Injection Drug Users
Other
Lead sponsor
The City College of New York
Other
Eligibility
15 Years to 50 Years
Enrollment
836 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 1, 2016 · Synced May 22, 2026, 3:43 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
HIV, Drug Use Disorders
Interventions
HEART to HAART, adherence counseling with the addition of smartphone control
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Overdose
Interventions
Peer Education, Narcan Nasal Product
Behavioral · Drug
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced May 22, 2026, 3:43 AM EDT
Active, not recruiting Not applicable Interventional Results available
View directory record Official record
Conditions
Opioid Use Disorder (OUD)
Interventions
Communities That HEAL, Wait-list control
Other
Lead sponsor
RTI International
Other
Eligibility
Not listed
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
4
States / cities
Lexington, Kentucky • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced May 22, 2026, 3:43 AM EDT
Not listed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Dependence, Cannabis Abuse, Cannabis Dependence, Other Substance Abuse
Interventions
Adolescent group therapy, Transitional family therapy
Behavioral
Lead sponsor
The Morton Center, Inc.
Other
Eligibility
13 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 25, 2011 · Synced May 22, 2026, 3:43 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Mobile Phone App
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Indianapolis, Indiana • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Prescribing, Prescription Drug Misuse
Interventions
PDMP Legal Mandate E-mail, PDMP Clinical Benefit E-mail
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
7,872 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced May 22, 2026, 3:43 AM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Opioid Use
Interventions
Study provides naloxone to participants who wish to have it. Not required to accept naloxone and no control.
Other
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
600 participants
Timeline
2019 – 2023
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced May 22, 2026, 3:43 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Opioid-use Disorder, Overdose of Opiate, Patient Participation
Interventions
Patient Reported Outcomes Electronic Survey
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced May 22, 2026, 3:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
16 mg naloxone AP003, 8 mg naloxone NARCAN Nasal Spray
Combination Product
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use
Interventions
Tobacco-free, Discrete, Convenient
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years to 120 Years
Enrollment
5,133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 22, 2026, 3:43 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Substance Abuse
Interventions
Brief Strategic Family Therapy (BSFT), Treatment as Usual
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years to 17 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
7
States / cities
Tucson, Arizona • Tarzana, California • Thornton, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2015 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections
Interventions
Text messaging plus EMA, Treatment as usual
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Drug Overdose, Virtual Reality
Interventions
Virtual Reality Education, Standard Education
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced May 22, 2026, 3:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
Naloxone training
Behavioral
Lead sponsor
Real Prevention, LLC
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Bloomington, Indiana • Clifton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced May 22, 2026, 3:43 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Drug-Induced Liver Injury
Interventions
Moxifloxacin (Avelox, BAY12-8039), Amoxicillin, Amoxicillin plus clavulanic acid, Cefuroxime, Clarithromycin, Doxycycline, Levofloxacin, Telithromycin
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,299,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Many Locations, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 7, 2014 · Synced May 22, 2026, 3:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy Volunteers, Drug Users
Interventions
EB-1020 400 mg, EB-1020 800 mg, lisdexamfetamine 150 mg, d-amphetamine 40 mg, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 3:43 AM EDT