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ClinicalTrials.gov public records Last synced May 22, 2026, 1:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Opiate Overdose Clear all
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
Nalmefene + 0.94% MgCl2, Nalmefene Hydrochloride Injection
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 1:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid; Intoxication, Perception Disturbance (Acute), Acute Pain, Overdose of Opiate, Respiratory Depression, Safety Issues
Interventions
Continuous conversational interaction, Remifentanil infusion
Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
20 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced May 22, 2026, 1:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Opioid Overdose
Interventions
Organize and Mobilize for Implementation Effectiveness, Dissemination
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced May 22, 2026, 1:18 AM EDT
Completed No phase listed Observational
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 3, 2025 · Synced May 22, 2026, 1:18 AM EDT
Terminated Phase 3 Interventional Results available
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 4, 2022 · Synced May 22, 2026, 1:18 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 1:18 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Opiate Overdose, Opioid-Related Disorders, Narcotic-Related Disorders, Substance-related Disorders, Chemically-Induced Disorders, Mental Disorders
Interventions
Machine Learning-Based Clinical Decision Support: Overdose Prevention Alert (OPA) Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
674 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 1:18 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders
Interventions
Diagnostic algorithms that detects/predicts hypoventilation
Device
Lead sponsor
RTM Vital Signs, LLC
Industry
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced May 22, 2026, 1:18 AM EDT
Active, not recruiting Not applicable Interventional
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 Mar 31, 2026 · Synced May 22, 2026, 1:18 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Opioid Dependence, Opioid Use Disorder
Interventions
Naloxone Education Intervention
Other
Lead sponsor
Edward Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Naperville, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced May 22, 2026, 1:18 AM EDT
Completed Phase 4 Interventional Results available
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 29, 2023 · Synced May 22, 2026, 1:18 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 1:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose, Opioid Use Disorder
Interventions
CSX-1004, Placebo
Biological
Lead sponsor
Cessation Therapeutics, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced May 22, 2026, 1:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 1:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Opioid Overdose, Drug Overdose
Interventions
RAPIDS Intervention, Standard OEND
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced May 22, 2026, 1:18 AM EDT
Recruiting Phase 4 Interventional
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 May 7, 2026 · Synced May 22, 2026, 1:18 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Opioid Use, Cognitive Change, Opioid-use Disorder
Interventions
CogMed
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced May 22, 2026, 1:18 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
Opioids and Police Safety Occupational Risk Reduction Training (OPS), Opioids and Police Safety Occupational Risk Reduction Training (COVID)
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced May 22, 2026, 1:18 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
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 May 22, 2026, 1:18 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Opioid Overdose
Interventions
Naloxone, Marijuana
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced May 22, 2026, 1:18 AM EDT
Active, not recruiting Not applicable Interventional
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 May 22, 2026, 1:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid Overdose
Interventions
Educational Webinar, Resources, Reminders
Behavioral
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced May 22, 2026, 1:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Opioid Overdose
Interventions
Nalmefene Hydrochloride
Drug
Lead sponsor
Opiant Pharmaceuticals Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 4, 2024 · Synced May 22, 2026, 1:18 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers
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 Apr 14, 2026 · Synced May 22, 2026, 1:18 AM EDT