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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:58 AM EDT

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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Overdose of Opiate Clear all
Withdrawn No phase listed Observational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 21, 2026, 9:58 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 21, 2026, 9:58 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Driven Substance Use Recovery for High Opioid Overdose Areas

NCT05260047
View directory record Official record
Conditions
Substance Use, Mental Health Issue, Opioid Use, Medication Assisted Treatment
Interventions
IMANI, Telehealth MAT, Traditional MAT plus Referral and Linkage
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
8
States / cities
Bridgeport, Connecticut • Hartford, Connecticut • New Britain, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 21, 2026, 9:58 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 21, 2026, 9:58 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 21, 2026, 9:58 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 21, 2026, 9:58 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 21, 2026, 9:58 AM EDT
Not yet recruiting Not applicable Interventional

Remote Intervention to Prevent Overdose

NCT07128485
View directory record Official record
Conditions
Accidental Overdose of Opiate
Interventions
Overdose prevention resources, Overdose prevention education
Other · Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Bundled Intervention

NCT06593093
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Overdose
Interventions
a bundled intervention, control group
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional

Phone Interview to Prevent Recurring Opioid Overdoses

NCT02282306
View directory record Official record
Conditions
Overdose, Opioid-related Disorders, Drug Addiction, Drug Abuse, Substance Abuse, Opioid Use, Unspecified, Opioid Dependence, Drug Overdose
Interventions
TTIP-PRO
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Oct 21, 2026, 9:58 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Patient and Caregiver Attitudes and Beliefs Regarding Prescription of Intranasal Naloxone Spray for Opioid Overdose

NCT04129138
View directory record Official record
Conditions
Caregiver, Patient
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Naltrexone for Overdose Prevention

NCT06633900
View directory record Official record
Conditions
Overdose Accidental
Interventions
IM naltrexone, Usual Care
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Terminated Phase 3 Interventional Results available

Virginia Opioid Overdose Treatment InitiatVE

NCT03818399
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
SUBLOCADE
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Increasing Naloxone Access for Persons Who Use Opioids

NCT04303000
View directory record Official record
Conditions
Naloxone
Interventions
Opioid Overdose Education with Naloxone Distribution, Opioid Overdose Education
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Anniston, Alabama • Gadsden, Alabama • Mobile, Alabama + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Oct 21, 2026, 9:58 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Access to Naloxone to Prevent Opioid Overdose Deaths (SAIA-Naloxone)

NCT05886712
View directory record Official record
Conditions
Overdose, Implementation as Usual
Interventions
Naloxone, Usual intervention
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Completed No phase listed Observational

Community and Familial Impacts of the Opioid Crisis

NCT05116852
View directory record Official record
Conditions
Opioid Use Disorder, Bereavement, Overdose of Opiate
Interventions
Survey
Other
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older
Enrollment
578 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 4, 2025 · Synced Oct 21, 2026, 9:58 AM EDT
Recruiting Not applicable Interventional

Removing Barriers: Community Partnering for Innovative Solutions to the Opioid Crisis

NCT05665179
View directory record Official record
Conditions
Opioid Use Disorder, Alcohol Use Disorder, Health Risk Behaviors, Criminal Behavior, Housing Problems, Overdose of Opiate
Interventions
Removing Barriers to Recovery
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2024 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional

The OPT-IN Project

NCT03526380
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Behavioral: the OPT-IN Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Oct 21, 2026, 9:58 AM EDT
Active, not recruiting Not applicable Interventional

Supporting Treatment Access and Recovery Through Linkage and Support

NCT05713695
View directory record Official record
Conditions
Mental Health Disorders, Substance Use Disorders
Interventions
Full MISSION, Linkage Only Delivered by a Peer Specialist
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Project OOPEN: Opioid Overdose Prevention, Education and Intervention

NCT01788306
View directory record Official record
Conditions
Opioid Overdose
Interventions
OOPEN+BBCC
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 70 Years
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional

The Effect of Self-Forgiveness on Self-Stigma in Addiction.

NCT03971097
View directory record Official record
Conditions
Substance Use Disorders, Opiate Dependence, Opiate Withdrawal Syndrome, Opioid-use Disorder, Alcohol Withdrawal, Alcohol Abuse, Alcohol Use Disorder, Cocaine Abuse, Cocaine Use Disorder, Cocaine Withdrawal, Benzodiazepine Abuse, Benzodiazepine Dependence, Substance Abuse, Heroin Overdoses, Heroin Withdrawal, Heroin Abuse
Interventions
Six Step Model of Self-Forgiveness, Treatment as Usual (TAU)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
McKeesport, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 21, 2026, 9:58 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Remote vs. In-Person Study Evaluation (RISE) Trials: RISE Above Opioid Overdose (Trial 3 of 3)

NCT07875569
View directory record Official record
Conditions
Remote vs. In-Person, Remote Visits, In-person Visits
Interventions
Opioid Overdose Prevention Training
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Recruiting Not applicable Interventional

Overdose Recovery and Care Access (ORCA) Qualitative Stakeholder Interviews and County-level Data

NCT06768814
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Results available

Safety & Prevention Outcomes Study

NCT01894087
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders
Interventions
TBI - Cohort 1, TBI - Cohort 2
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 19, 2018 · Synced Oct 21, 2026, 9:58 AM EDT