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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Opioid Overdose Prevention Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Reducing Overdose and Substance Use-related Stigma by Training Non-substance-using Friends and Family Members of People Who Use Opioids to Be Harm Reduction Champions

NCT06823453
View directory record Official record
Conditions
Opioid Overdose Prevention, People Who Use Opioids/People With Opioid Use Disorder (OUD), Reduction of Substance Use-related Stigma, Non-substance-using People With a Friend or Family Member Who Uses Opioids, Peer Harm Reduction Support Champions
Interventions
Peer Harm Reduction Support Champion Intervention
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Jun 25, 2026, 11:17 PM 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 8, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional

Safety and Health Intervention Project

NCT02152397
View directory record Official record
Conditions
Drug Overdose, Opioid Related Disorders
Interventions
Therapist-led brief intervention (TBI)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Waterford, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Jun 25, 2026, 11:17 PM EDT
Recruiting Not applicable Interventional

Social Network Overdose Prevention and Education Intervention

NCT06327061
View directory record Official record
Conditions
Drug Overdose
Interventions
Network overdose prevention, Standard of care health education
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Recruiting Not applicable Interventional

Building Retention and Initiation Through Delivery of Peer-Guided Evidence-Based Practices

NCT07541417
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Certified Peer Support Specialist Intervention
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional Results available

A Tailored, Peer-delivered Intervention to Reduce Recurring Opioid Overdoses

NCT02922959
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders, Drug Addiction, Drug Abuse, Substance Abuse
Interventions
Peer Intervention, naloxone nasal spray kit, Personally-tailored opioid overdose prevention education (information packet)
Behavioral · Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2020 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional Results available

Evaluation of a Computerized Opioid Overdose Prevention Program

NCT02040077
View directory record Official record
Conditions
Computer + Fluency, Computer Only, Treatment as Usual
Interventions
Computer + Fluency, Computer Only, Treatment as Usual
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional Results available

Buprenorphine Treatment Engagement and Overdose Prevention

NCT03677986
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Video DOT+
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of a Social Network Intervention for Primary and Secondary Prevention of Opioid Overdoses

NCT04212364
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 Jun 25, 2026, 11:17 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Buprenorphine Implementation at Syringe Service Programs to Reduce Overdoses

NCT07631598
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Use Disorder, Severe, Opioid Use Disorder, Moderate
Interventions
Standard of Care Referral, Low Threshold Buprenorphine
Other · Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
8
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Baton Rouge, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jun 25, 2026, 11:17 PM 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 10, 2022 · Synced Jun 25, 2026, 11:17 PM EDT
Recruiting Phase 2Phase 3 Interventional

Identifying Optimal Buprenorphine Dosing for Opioid Use Disorder Treatment and Prevention of Overdose

NCT06316830
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Buprenorphine
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rapid Self-Testing to Prevent Fentanyl Overdose Among Young People Who Use Drugs

NCT03373825
View directory record Official record
Conditions
Accidental Overdose of Opiate
Interventions
Take home rapid drug test
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 35 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Jun 25, 2026, 11:17 PM EDT
Not yet recruiting Not applicable Interventional

The ENHANCE Project Toolkit

NCT07649278
View directory record Official record
Conditions
Substance Related Disorder, Drug Overdose, eHealth
Interventions
Connections mHealth Application
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Prevention of Opioid Misuse and Overdose Deaths Among Hispanic/Latinx Adolescents: A Family-based Perspective

NCT06303804
View directory record Official record
Conditions
Opioid Misuse
Interventions
Educational videos
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jun 25, 2026, 11:17 PM 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 18, 2018 · Synced Jun 25, 2026, 11:17 PM EDT
Not yet recruiting Not applicable Interventional

Remote Fentanyl Test Strip Distribution and Education to Prevent Drug Overdose

NCT07128485
View directory record Official record
Conditions
Accidental Overdose of Opiate
Interventions
Fentanyl test strips, Fentanyl test strip 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 May 13, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

UnityPhilly Response App for Overdose Reversal

NCT06466005
View directory record Official record
Conditions
Opioid Overdose
Interventions
UnityPhilly app
Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jun 25, 2026, 11:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Data2Action Oregon Project: Supporting Data-driven Decision-Making for Substance Use Services, Policy, and Overdose Prevention

NCT06852170
View directory record Official record
Conditions
Substance Abuse, Decision Making, Shared, Implementation Science, Decision Making, Organizations, Substance-related Disorders, Policy
Interventions
Co-Design Sessions (CDS), Data products
Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years and older
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 25, 2026, 11:17 PM 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 12, 2020 · Synced Jun 25, 2026, 11:17 PM EDT
Completed Not applicable Interventional

Competitive Revision for CLARO: Collaboration Leading to Addiction Treatment and Recovery From Other Stresses

NCT04634279
View directory record Official record
Conditions
Opioid-use Disorder, Addiction, Depression, Post Traumatic Stress Disorder, Suicidal Ideation
Interventions
Collaborative care Plus
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Albuquerque, New Mexico + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jun 25, 2026, 11:17 PM EDT