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ClinicalTrials.gov public records Last synced Nov 2, 2026, 11:32 PM EST

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Showing 865–888 of 1,428 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: opiates Clear all
Completed Early Phase 1 Interventional

Efficacy of Spinal Manipulation Therapy or Mindfulness-based Reduction Therapy on Patients With Chronic Low Back Pain

NCT04744883
View directory record Official record
Conditions
Chronic Low-back Pain
Interventions
Spinal Manipulation Therapy (SMT), Naloxone, Placebo, Mindfulness Based Stress Reduction Therapy (MT)
Other · Drug · Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Nov 2, 2026, 11:32 PM EST
Completed Not applicable Interventional

Impact of Different Educational Approaches on Post-operative Opiate Utilization After Elective Lower Extremity Surgery

NCT02997644
View directory record Official record
Conditions
Knee Injuries and Disorders, Hip Injuries and Disorders, Opiate Addiction
Interventions
Video Education, Usual Care Group
Behavioral
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 4 Interventional Results available

Pharmacokinetic Study of Hydrocodone/APAP in Chronic Pain Patients

NCT01517295
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone
Drug
Lead sponsor
NEMA Research, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
2
States / cities
Naples, Florida • Leawood, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2016 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Determine the Fed Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01099709
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Reformulated OXY (oxycodone HCl), Original OxyContin® (OXY) (oxycodone HCl)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 50 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated May 6, 2010 · Synced Nov 2, 2026, 11:32 PM EST
Terminated Phase 4 Interventional Results available

A Health Economic Trial in Adult Patients Undergoing Open Colectomy MA402S23B301

NCT01507220
View directory record Official record
Conditions
Bowel Obstruction
Interventions
morphine sulfate, bupivacaine liposome extended-release injectable suspension
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Nov 2, 2026, 11:32 PM EST
Completed Not applicable Interventional Results available

Efficacy of Computer Delivered Community Reinforcement Approach (CRA) (Bup II)

NCT00929253
View directory record Official record
Conditions
Opiate Addiction
Interventions
Suboxone, CRA, Therapy, CM
Drug · Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 27, 2022 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Increased Ketorolac Administration After Cesarean Section and Its Effect on Opioid Use: a Randomized Control Trial

NCT03678675
View directory record Official record
Conditions
Post-operative Pain, Post-partum Pain, Cesarean Section Complications
Interventions
Ketorolac
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
16 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Nov 2, 2026, 11:32 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Effects of Yohimbine and Naltrexone on Sexual Function

NCT00042536
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Naltrexone HCL/ Yohimbine HCL
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Nov 2, 2026, 11:32 PM EST
Not yet recruiting Phase 1Phase 2 Interventional

Medically Supervised Ibogaine With 12-Month Digital Recovery Support for Opioid Use Disorder

NCT07871877
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Withdrawal, Substance Use Disorders
Interventions
Ibogaine Hydrochloride, Extended-release naltrexone injection, 380 mg, Matching Oral Placebo, Matching Intramuscular Placebo, My-E-Health SENTINEL Digital Monitoring and Human-Gated Escalation Platform, Standardized Psychological Preparation, Integration and Recovery Support, Garmin-Enabled Longitudinal Wellness Monitoring
Drug · Device · Behavioral + 1 more
Lead sponsor
Clive Michelsen
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Basalt, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 3 Interventional Results available

Buprenorphine for Treatment Resistant Depression

NCT01407575
View directory record Official record
Conditions
Depression, Depressive Disorder, Depressive Disorder, Major
Interventions
Buprenorphine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 2 Interventional

Buprenorphine Pharmacology Related to Addiction Treatment - 18

NCT00000236
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Aug 17, 2005 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional

Alternate-Day Buprenorphine Administration. Phase II - 4

NCT00000222
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
28 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1992
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Nov 2, 2026, 11:32 PM EST
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Nov 2, 2026, 11:32 PM EST
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

A Comparison Trial Between PCA and Epidural Analgesia for Pectus Excavatum Repair

NCT02056301
View directory record Official record
Conditions
Pectus Excavatum
Interventions
Hydromorphone, Morphine
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
8 Years to 18 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 2 Interventional Results available

A Pilot Study: a Non-opioid Technique for Postoperative Adenoidectomy Pain Relief in Pediatric Patients

NCT03714919
View directory record Official record
Conditions
Adenoid Hypertrophy
Interventions
Dextromethorphan, Acetaminophen, Dexmedetomidine, Ketamine
Drug
Lead sponsor
Arlyne Thung
Other
Eligibility
4 Years to 8 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Nov 2, 2026, 11:32 PM EST
Completed No phase listed Observational

Effects of Post-Session Supplemental Hydromorphone on Drug Seeking Behavior in Opioid Dependent Individuals

NCT00218361
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Hydromorphone
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2012 · Synced Nov 2, 2026, 11:32 PM EST
Terminated No phase listed Observational Results available

Breath Test for Women Receiving Tamoxifen in the Prevention or Treatment of Breast Cancer

NCT00873366
View directory record Official record
Conditions
Breast Cancer
Interventions
dextromethorphan hydrobromide, tamoxifen citrate, high performance liquid chromatography, laboratory biomarker analysis, pharmacogenomic studies, pharmacological study, fluorescence imaging
Drug · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Evaluation of Intranasal Nalmefene

NCT04828005
View directory record Official record
Conditions
Pharmacodynamic
Interventions
Nalmefene hydrochloride, Naloxone hydrochloride
Drug
Lead sponsor
Opiant Pharmaceuticals Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Nov 2, 2026, 11:32 PM EST
Suspended Phase 3 Interventional

Safety, Tolerability, Effectiveness, and Pharmacokinetic Data in Opioid-experienced Children

NCT04681027
View directory record Official record
Conditions
Chronic Pain, Postsurgical Pain
Interventions
Oxymorphone hydrochloride (HCl)
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
7 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
5
States / cities
Orange, California • New Orleans, Louisiana • Oklahoma City, Oklahoma + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 2 Interventional Results available

A Study to Evaluate the Abuse Potential of Oxymorphone Compared to Other Mu Opioid Agonists.

NCT03389750
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Intravenous Challenge Drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Nov 2, 2026, 11:32 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neuropharmacological Basis of Social Connection: The Role of Opioids

NCT01672723
View directory record Official record
Conditions
Psychology, Social
Interventions
Naltrexone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Characterization of the Active, Separated System With PK Controller (Fentanyl Iontophoretic Transdermal System, 40 Mcg Fentanyl Per Activation).

NCT01750060
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Fentanyl, Naltrexone
Drug
Lead sponsor
Incline Therapeutics, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 19, 2013 · Synced Nov 2, 2026, 11:32 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of a Kappa Agonist on Hot Flashes in Menopausal Women

NCT02070718
View directory record Official record
Conditions
Treatment of Menopausal Hot Flashes
Interventions
Standard Dose Kappa Agonist, Half Dose Kappa Agonist, Placebo
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 1, 2015 · Synced Nov 2, 2026, 11:32 PM EST