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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Abuse, Intravenous Clear all
Completed Not applicable Interventional Results available

A Randomized Trial of Vaccine Adherence in Young Injection Drug Users

NCT00244374
View directory record Official record
Conditions
Medication Adherence, Substance Abuse, Intravenous, Risk Behavior, Hepatitis A, Hepatitis B, Hepatitis C
Interventions
Hepatitis A & B vaccine, Outreach, AIC, SEP
Biological · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 29 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2013 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Health Problems Associated With Injection Drug Use

NCT01128920
View directory record Official record
Conditions
Intravenous Drug Abuse, HIV Infections
Interventions
Skin and Needle Hygiene Intervention, No intervention - assessment-only condition
Behavioral · Other
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 3, 2012 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Counseling Conditions for Buprenorphine in a Primary Care Clinic - 1

NCT00023283
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Substance Abuse, Intravenous
Interventions
Buprenorphine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Jul 21, 2026, 2:19 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Outreach Service Kiosk (KyOSK): Reducing HIV, HCV, and Overdose Risk

NCT05657106
View directory record Official record
Conditions
Opioid-Related Disorders, Hepatitis C (HCV), Human Immunodeficiency Virus (HIV), Drug Overdose, Substance Abuse, Intravenous Drug Usage, Opiate Substitution Treatment, Sexually Transmitted Diseases
Interventions
Harm reduction kiosk
Behavioral
Lead sponsor
April M Young
Other
Eligibility
18 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Clinical Study to Evaluate the Safety of CS-1103 in Healthy Participants

NCT06316973
View directory record Official record
Conditions
Substance Use Disorders, Methamphetamine Abuse, Methamphetamine Intoxication
Interventions
CS-1103, Sterile Saline
Drug
Lead sponsor
Clear Scientific, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 1 Interventional Results available

Clavulanic Acid (CLAV) and Cocaine Interaction Safety Study

NCT02563769
View directory record Official record
Conditions
Cocaine Dependence, Cocaine Addiction, Cocaine Abuse, Cocaine-Related Disorders
Interventions
Clavulanic acid, Intravenous cocaine, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 3 Interventional Results available

Non-Invasive Vagal Nerve Stimulation in Opioid Use Disorders

NCT04556552
View directory record Official record
Conditions
Substance-Related Disorders, Substance Use Disorders, Substance Abuse, Intravenous, Substance Withdrawal, Substance Abuse, Opioid-use Disorder, Opioid Use Disorder, Severe, Opioid Use
Interventions
Non invasive VN stimulation (nVNS), Oxygen (15-O) Water, Sham Stimulation
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional

Break the Cycle: Prevention for Reducing Initiation Into Injection Drug Use

NCT03502525
View directory record Official record
Conditions
Substance Abuse, Intravenous, Prevention and Control
Interventions
Break the Cycle Intervention, Bacterial Infection Prevention
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional Results available

The Long-Term Treatment of Drug Addiction and Unemployment

NCT02487745
View directory record Official record
Conditions
Substance Abuse, Intravenous
Interventions
Abstinence-contingent wage supplements, Individual Placement and Support (IPS) supported employment
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 1 Interventional

Study of the Treatment of Experimental Pain in Buprenorphine Maintained Persons With Chronic Musculoskeletal Pain

NCT02372591
View directory record Official record
Conditions
Opioid-Related Disorders, Chronic Pain
Interventions
Buprenorphine, Hydromorphone, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 2 Interventional

IV Cocaine Abuse: A Laboratory Model - 2

NCT00000213
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Fluoxetine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1990 – 1991
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2015 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 4 Interventional Results available

Hepatitis C Treatment in PWIDs: MAT or Syringe Exchange Assisted-therapy vs Standard of Care

NCT03093415
View directory record Official record
Conditions
Hepatitis C, Substance Use Disorders, Substance Abuse, Intravenous
Interventions
elbasvir-grazoprevir (50 mg/100 mg)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 2 Interventional

IV Cocaine Abuse: A Laboratory Model - 3

NCT00000214
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 1993
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2015 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional Results available

Employment-based Reinforcement of Naltrexone Ingestion and Abstinence

NCT00149669
View directory record Official record
Conditions
Cocaine-Related Disorders, Heroin Dependence, Opioid-Related Disorders, Substance Abuse, Intravenous
Interventions
employment-based reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess Potential Interactions Between Intravenous Cocaine and Oral Lorcaserin

NCT02393599
View directory record Official record
Conditions
Cocaine Abuse
Interventions
Lorcaserin, Placebo, Cocaine Infusion
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Change the Cycle: An RCT to Prevent Injection Initiation

NCT02774954
View directory record Official record
Conditions
Substance Abuse, Intravenous, HIV, Heroin Dependence, Opioid Dependence, Cocaine Dependence, Amphetamine Dependence
Interventions
Change the Cycle
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
979 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2023 · Synced Jul 21, 2026, 2:19 PM EDT
Completed No phase listed Observational

Study of Buprenorphine Maintenance Treatment for Opioid Dependence in Primary Care

NCT00471042
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Substance Abuse, Intravenous
Interventions
Buprenorphine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Not applicable Interventional Results available

The Therapeutic Workplace Initiation Study

NCT00249470
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Heroin Dependence, Substance Abuse, Intravenous
Interventions
Abstinence & Work, Work Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Jul 21, 2026, 2:19 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Implementing PrEP for Women Who Inject Drugs

NCT05360849
View directory record Official record
Conditions
HIV, Intravenous Substance Abuse, Women's Health, Organization and Administration, Primary Prevention, Implementation Science
Interventions
Practice Facilitation
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety, Tolerability and Abuse Liability Study of Intravenous NRP104 in Adults With Stimulant Abuse Histories

NCT00247572
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Amphetamine-Related Disorders, Substance-Related Disorders
Interventions
NRP104
Drug
Lead sponsor
New River Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2007 · Synced Jul 21, 2026, 2:19 PM EDT
Completed No phase listed Observational

A Study of HIV in Newly Infected Individuals

NCT00000930
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2008
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2016 · Synced Jul 21, 2026, 2:19 PM EDT
Terminated Phase 1 Interventional Results available

Safety Assessment of Atomoxetine With MA IV Administration

NCT01019707
View directory record Official record
Conditions
Methamphetamine Abuse, Methamphetamine Dependence
Interventions
Atomoxetine, then Placebo, Placebo, then Atomoxetine
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Jul 21, 2026, 2:19 PM 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 4, 2016 · Synced Jul 21, 2026, 2:19 PM EDT
Completed Phase 1 Interventional

ALK33BUP-101: Safety and Pharmacodynamic Effects of ALKS 33-BUP Administered Alone and When Co-administered With Cocaine

NCT01366001
View directory record Official record
Conditions
Cocaine Abuse
Interventions
ALKS 33-BUP, ALKS 33, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
21 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2012 · Synced Jul 21, 2026, 2:19 PM EDT