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ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:35 AM EDT

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

Showing 1–24 of 484 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Opioid only Clear all
Completed Not applicable Interventional Accepts healthy volunteers

BE Intervention for Naloxone Uptake

NCT06064981
View directory record Official record
Conditions
Harm Reduction
Interventions
Text message nudges, Commitment contract
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2024 · Synced Oct 22, 2026, 1:35 AM EDT
Not yet recruiting Phase 1 Interventional

Psilocybin After Trauma Surgery for Pain

NCT07406828
View directory record Official record
Conditions
Pain Management, Postoperative Pain
Interventions
Psilocybin (Usona Institute), Postoperative analgesia
Drug
Lead sponsor
Trent Emerick
Other
Eligibility
25 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Nalbuphine and Naloxone on Experimentally Induced Skin Sensitivity

NCT00947284
View directory record Official record
Conditions
Healthy
Interventions
nalbuphine plus naloxone, nalbuphine plus saline, naloxone plus saline
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2016 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Phase 4 Interventional

Endogenous Opioid Response to Injections

NCT06666621
View directory record Official record
Conditions
Low Back Pain, Zygapophyseal Joint Arthritis
Interventions
Normal saline infusion, Naloxone infusion
Drug
Lead sponsor
Middle Tennessee Research Institute
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Phase 4 Interventional Results available

RCT: Fentanyl Plus Ketamine Versus Fentanyl Alone for Acute Burn Pain

NCT03305055
View directory record Official record
Conditions
Acute Pain, Wound Care, Posttraumatic Stress Disorder
Interventions
ketamine, Fentanyl
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 2 Interventional

A Study of the Safety and Effectiveness of Orally Administered CR845 in Patients With Osteoarthritis of the Hip or Knee

NCT02524197
View directory record Official record
Conditions
Osteoarthritis
Interventions
CR845 0.25 mg, CR845 0.50 mg, CR845 1 mg, CR845 5 mg
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
25 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Omaha, Nebraska • Las Vegas, Nevada • Greensboro, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Phase 4 Interventional Results available

PROUD Study - Preventing Opioid Use Disorders

NCT04766996
View directory record Official record
Conditions
Anesthesia, Opioid Use
Interventions
Guided mindfulness exercises, Self-administered aromatherapy, Baby aspirin, Tylenol/Acetaminophen, Pregabalin, Prednisone, Meloxicam, Prilosec, Tramadol, Voltaren, Zofran, Pepcid, Reglan, Versed, Lidocaine, Propofol, Ancef, Tranexamic Acid (TXA), Decadron, Bupivacaine hydrochloride, Toradol
Behavioral · Other · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Garlic Supplements on Opioids in Healthy Volunteers

NCT00499460
View directory record Official record
Conditions
Healthy, No Evidence of Disease
Interventions
garlic powder tablets, oxycodone
Dietary Supplement · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
21 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Repetitive Transcranial Magnetic Stimulation to Reduce Heroin Cravings

NCT05074524
View directory record Official record
Conditions
Opioid-use Disorder, Heroin Abuse, Craving, Transcranial Magnetic Stimulation
Interventions
Repetitive Transcranial Magnetic Stimulation, Sham Repetitive Transcranial Magnetic Stimulation
Device
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 64 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 1 Interventional

Pilot Study of Varenicline to Treat Opioid Dependence

NCT01436474
View directory record Official record
Conditions
Chronic Pain, Opioid Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Microcurrent Neurofeedback as an Adjunct to Standard Care for Substance Use Disorders

NCT07737652
View directory record Official record
Conditions
Depression, Anxiety, Substance Use Disorder (SUD), Post Traumatic Stress Disorder
Interventions
Microcurrent Neurofeedback (MCN), Standard Care for Substance Use Disorder
Device · Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Phase 2 Interventional Results available

Use of Tapentadol Oral Solution for Pain After Surgery in Children From Newborn to Less Than 2 Years Old

NCT02221674
View directory record Official record
Conditions
Moderate to Severe Acute Postoperative Pain
Interventions
Tapentadol
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
1 Day to 23 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Palo Alto, California • Louisville, Kentucky • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 22, 2026, 1:35 AM EDT
Not listed Not applicable Interventional

Comparing a Patient Self-Assessment Software to Treatment as Usual in Opioid Prescriber and Patient Opioid Outcomes

NCT04945525
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Misuse, Opioid Use, Chronic Pain
Interventions
Care Continuity Program
Other
Lead sponsor
Sure Med Compliance
Industry
Eligibility
18 Years and older
Enrollment
1,840 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 22, 2026, 1:35 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 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Digital Health Intervention to Support Opioid Use Disorder Treatment

NCT03842384
View directory record Official record
Conditions
Opioid Use Disorder, Treatment Adherence
Interventions
iENDURE
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 10, 2024 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Combined Cryotherapy With Compression Versus Cryotherapy Alone After Orthopaedic Surgery

NCT05011084
View directory record Official record
Conditions
Cryotherapy Effect, Compression, Postoperative Pain Management
Interventions
Game Ready Cryotherapy with Compression Group, Control Cryotherapy Group
Device · Other
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Measuring Acute Drug Demand in Humans II

NCT07043452
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Blinded Study Medication - Condition 1, Blinded Study Medication - Condition 2, Blinded Study Medication - Condition 3, Blinded Study Medication - Condition 4, Blinded Study Medication - Condition 5, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional

Testing Implementation Strategies to Scale-up a Multicomponent Continuum of Service Intervention for Families Involved in Systems With Parental Opioid and Methamphetamine Use

NCT07365293
View directory record Official record
Conditions
Substance Related Disorders
Interventions
Just Care for Families (JCFF), Just Care for Families (JCFF) App, Just Care for Families (JCFF) App Feedback
Behavioral
Lead sponsor
Chestnut Health Systems
Other
Eligibility
Not listed
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Not listed Not applicable Interventional

Analgesic Response to Opioid Analgesics in Buprenorphine-Maintained Individuals

NCT02136784
View directory record Official record
Conditions
Analgesic Response
Interventions
morphine sulfate, hydrocodone, hydromorphone HCI, oxycodone, buprenorphine, oral tablet placebo, sublingual tablet placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Women's Justice Community Overdose Innovation Network - Phase II

NCT07179614
View directory record Official record
Conditions
Overdose Risk, Opioid Use Disorder, Stimulant Use Disorders
Interventions
Overdose Prevention Intervention Package (OPIP)
Behavioral
Lead sponsor
Michele Staton
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
3
States / cities
Barbourville, Kentucky • Harlan, Kentucky • Hyden, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Decreasing Opioid Misuse and Habit-forming Behaviors Following Prescription in Patients Undergoing Cesarean Section

NCT05461196
View directory record Official record
Conditions
Opioid Misuse
Interventions
CPMRx
Behavioral
Lead sponsor
Jessica Morgan
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Postoperative Opioids in Patients Undergoing Laparoscopic Hiatal Hernia

NCT05953428
View directory record Official record
Conditions
Hiatal Hernia
Interventions
Opioid Sparing Anesthesia Protocol (OSA), Opioid Based Anesthesia Protocol (OBA)
Other
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Terminated Phase 2 Interventional Results available

Sublingual Fentanyl for the Management of Breakthrough Pain

NCT02514252
View directory record Official record
Conditions
Advanced Cancers
Interventions
Fentanyl Sublingual Spray (FSS), Questionnaires, Mental Ability Tests, Study Diary
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Phase 1Phase 2 Interventional

Opioid Drug Interaction Study

NCT06757140
View directory record Official record
Conditions
Drug Interactions, Drug Kinetics
Interventions
Alprazolam, Oxycodone, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 22, 2026, 1:35 AM EDT