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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Prescription Drug Misuse Clear all
Completed No phase listed Observational Accepts healthy volunteers

Patient Reported Outcomes for Opioid Use Disorder

NCT03985163
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 Jul 24, 2026, 2:06 AM EDT
Not listed Not applicable Interventional

The Impact of a Web-Based Naloxone Intervention Under Standing Orders to Patients Prescribed Chronic Opioid Therapy

NCT03337009
View directory record Official record
Conditions
Overdose, Risk Behavior
Interventions
Naloxone Navigator (NN)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
1,004 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2024 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Impact of Direct Outreach to Expand Access to Naloxone in the Context of Standing Orders

NCT03241771
View directory record Official record
Conditions
Opioid Abuse, Overdose, Risk Behavior
Interventions
Naloxone Navigator 1.0
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot of Training on 988 and Narcan

NCT07072819
View directory record Official record
Conditions
Suicide, Overdose Accidental, Overdose Antidote, Crisis Response Plan
Interventions
Crisis Ready Training
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

Machine-Learning Prediction and Reducing Overdoses With EHR Nudges

NCT06806163
View directory record Official record
Conditions
Opioid Overdose, Opioid Use, Opioid Use Disorder, Opioids
Interventions
EHR-Embedded Elevated-Risk Flag, EHR-Embedded Elevated-Risk Flag with Behavioral Nudges, Usual Care
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Completed No phase listed Observational

Incidence and Predictors of Opioid Overdose and Death Among Long-Term Users of Opioid Analgesics

NCT02662153
View directory record Official record
Conditions
Opioid Overdose
Interventions
Observation only
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 79 Years
Enrollment
808,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Wilmington, Delaware • Boston, Massachusetts • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Home Safety Intervention

NCT06216327
View directory record Official record
Conditions
Suicide, Firearm Injury, Overdose
Interventions
household safety intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Evaluation of Intranasal and Intramuscular Naloxone in Healthy Volunteers

NCT02572089
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders
Interventions
Naloxone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 24, 2026, 2:06 AM EDT
Not yet recruiting Phase 4 Interventional

A Bundled Intervention to End Opioid Overdoses

NCT07485335
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Overdose
Interventions
Bundled intervention (Experimental), control group, Buprenorphine (Experimental), Scheduled Peer Support Specialist (Experimental), Telemedicine Buprenorphine Treatment
Other · Drug · Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 24, 2026, 2:06 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 27, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional Results available

Repeated-dose Behavioral Intervention to Reduce Opioid Overdose

NCT03838510
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Overdose
Interventions
REBOOT
Behavioral
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 65 Years
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
San Francisco, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Jul 24, 2026, 2:06 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Clinical Decision Support to Improve System Naloxone Co-prescribing

NCT06271668
View directory record Official record
Conditions
Medication Abuse, Harm Reduction, Opioid Overdose, Opioid Prescribing
Interventions
Naloxone Co-prescribing Clinical Decision Support (CDS)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 89 Years
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Not listed Not applicable Interventional

Improving Availability of Intranasal Naloxone

NCT05877118
View directory record Official record
Conditions
Opioid Overdose
Interventions
Enhanced Overdose Education (EOE), Standard education
Behavioral
Lead sponsor
Hartford Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Jul 24, 2026, 2:06 AM EDT
Active, not recruiting Not applicable Interventional

Mobile Peer Support for OUD Recovery

NCT05405712
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 Jul 24, 2026, 2:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Evaluation of Intramuscular Nalmefene Autoinjector 1.5 mg Compared to Intranasal Narcan 4 mg

NCT06719986
View directory record Official record
Conditions
Opioid Overdose
Interventions
Nalmefene HCl injection, Naloxone HCl intranasal
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jul 24, 2026, 2:06 AM EDT
Not yet recruiting Not applicable Interventional

Permanent Supportive Housing Overdose Prevention+ Study

NCT07214519
View directory record Official record
Conditions
Overdose, Substance Use
Interventions
TA Intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2,940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Evaluation of a Novel Intervention to Prevent Polysubstance Overdoses Involving Illicit Stimulants

NCT05493475
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
653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jul 24, 2026, 2:06 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 – 2026
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Jul 24, 2026, 2:06 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Tailoring Overdose Education for Black Churches

NCT05645016
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 Jul 24, 2026, 2:06 AM EDT
Completed No phase listed Observational

Development of a Tracheal Sound Sensor

NCT05506267
View directory record Official record
Conditions
Respiratory Insufficiency, Opioid Overdose, Hypoventilation
Interventions
Trachea Sound Sensor (TSS)
Device
Lead sponsor
Thomas Jefferson 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
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jul 24, 2026, 2:06 AM EDT
Not yet recruiting Phase 2 Interventional

Naloxone for Opioid Associated Out of Hospital Cardiac Arrest

NCT06251609
View directory record Official record
Conditions
Heart Arrest, Out-Of-Hospital, Opioid Overdose, Naloxone
Interventions
Naloxone 2 MG, Saline 2ml
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Jul 24, 2026, 2:06 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 – 2026
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 24, 2026, 2:06 AM EDT
Completed No phase listed Observational

Monitoring of Overdose Patients With and Without Supplemental Oxygen in the Emergency Department

NCT02101424
View directory record Official record
Conditions
Overdose
Interventions
Not listed
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Jul 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

AWAITS: A Web-based E-health Application for Active Illicit Opioid Users

NCT03402672
View directory record Official record
Conditions
Opioid-use Disorder, IV Drug Usage, Overdose, Drug Addiction, Substance Use Disorders
Interventions
self-administered, e-health application
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Jul 24, 2026, 2:06 AM EDT