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Showing 1–24 of 293 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Opioid Phase Clear all
Withdrawn No phase listed Observational Accepts healthy volunteers

Post-Operative Pain Management Following Spine Surgery

NCT03076710
View directory record Official record
Conditions
Pain Management, Analgesia, Anesthetic
Interventions
Opioids delivered through PCA, EXPAREL® infiltration
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 2, 2026, 4:44 AM EDT
Terminated Not applicable Interventional

Regional Anesthesia and Lung Cancer Recurrence

NCT01179308
View directory record Official record
Conditions
Lung Cancer
Interventions
General-epidural anesthesia, Balanced general anesthesia and postoperative opioids
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Sep 2, 2026, 4:44 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Opioids in Chronic Kidney Disease Patients Undergoing Hemodialysis

NCT02452437
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Oxycodone
Drug
Lead sponsor
Emerio & Lourdes Linares Research and Education Center
Other
Eligibility
30 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Dearborn, Michigan
Source: ClinicalTrials.gov public record
Updated May 21, 2015 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Not applicable Interventional

Evaluating the Cost Effectiveness of STEADI

NCT05390736
View directory record Official record
Conditions
Accidental Fall
Interventions
Gait and balance assessment, Medication review, Comorbidity review, Fall history, Assessment of feet/footwear, Assessment of visual acuity, Home safety risk assessment, Vitamin D Deficiency
Behavioral
Lead sponsor
National Opinion Research Center
Other
Eligibility
65 Years and older
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 1 Interventional

ALK33BUP-101: Safety and Pharmacodynamic Effects of ALKS 33-BUP Administered Alone and When Co-administered With Cocaine

NCT01366001
View directory record Official record
Conditions
Cocaine Abuse
Interventions
ALKS 33-BUP, ALKS 33, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
21 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2012 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 4 Interventional Results available

Buprenorphine Extended-Release Subcutaneous Injection (RBP-6000) in High-risk Users

NCT04995029
View directory record Official record
Conditions
Moderate to Severe Opioid-use Disorder
Interventions
Transmucosal Buprenorphine, Extended-release Buprenorphine
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years and older
Enrollment
785 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
28
States / cities
Garden Grove, California • Panorama City, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 2, 2026, 4:44 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neuroimaging of Opioid Phase (OPAL)

NCT05905419
View directory record Official record
Conditions
Chronic Pain, Opioid Use
Interventions
Opioid Phase
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate Withdrawal Effects Following Dosing of Oxycodone/Naltrexone in Methadone-Maintained Subjects

NCT02391571
View directory record Official record
Conditions
Withdrawal Symptoms
Interventions
Oxycodone/Naltrexone Capsules, Oxycodone, Placebo
Drug
Lead sponsor
Elite Laboratories, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 2, 2026, 4:44 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Clinical Trials of Multivalent Opioid Vaccine Components

NCT04458545
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Oxy(Gly)4-sKLH vaccine - Low Dose, Oxy(Gly)4-sKLH vaccine - High Dose, Placebo Oxy(Gly)4-sKLH vaccine
Biological
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 59 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
Eatontown, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 4 Interventional Results available

Embrace TDD: Post-Market Study to Evaluate Intrathecal Morphine as an Alternative to Systemic Opioids for Chronic Pain

NCT03761277
View directory record Official record
Conditions
Chronic Non-malignant Pain, Chronic Pain, Pain, Back, Pain, Leg
Interventions
Medtronic SynchroMed™ II infusion system, Preservative-free morphine sulfate (PFMS)
Device · Drug
Lead sponsor
MedtronicNeuro
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
16
States / cities
Anchorage, Alaska • Carlsbad, California • Napa, California + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 3 Interventional Results available

Naltrexone for Use in Conjunction With Buprenorphine in Adults With Opioid Use Disorder Prior to First Dose of VIVITROL® (Naltrexone for Extended-Release Injectable Suspension)

NCT02537574
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NTX/BUP, NTX/PBO-B, PBO-N/PBO-B
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
20
States / cities
Oceanside, California • Orange, California • Lauderhill, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Sep 2, 2026, 4:44 AM EDT
Terminated Phase 2 Interventional Results available

Naloxegol in Treating Patients With Stage IIIB-IV Non-small Cell Lung Cancer

NCT03087708
View directory record Official record
Conditions
Stage IIIB Non-Small Cell Lung Cancer, Stage IV Non-small Cell Lung Cancer
Interventions
Naloxegol, Placebo, Laboratory Biomarker Analysis, Quality-of-Life Assessment
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
660
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 407 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 3 Interventional Results available

Long-term Open-Label Safety Study to Evaluate EN3409

NCT01755546
View directory record Official record
Conditions
Low Back Pain, Osteoarthritis, Neuropathic Pain
Interventions
EN3409
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
57
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Evaluating the Abuse Potential of NEURONTIN® in Healthy Non-drug Dependent, Recreational Opioid Users

NCT05319756
View directory record Official record
Conditions
Abuse Potential
Interventions
gabapentin 600 mg, gabapentin 1200 mg, gabapentin 600 mg and oxycodone HCl 20 mg, gabapentin 1200 mg and oxycodone HCl 20 mg, oxycodone HCl 20 mg, placebo
Drug
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 4 Interventional Results available

Usability of Zubsolv Sublingual Tablets 5.7/1.4 to Suboxone Sublingual Film 8/2 In Buprenorphine/Naloxone Treated Opioid Dependent Population

NCT02038790
View directory record Official record
Conditions
Opioid Dependence
Interventions
Suboxone Sublingual Film, Zubsolv sublingual tablets
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Sep 2, 2026, 4:44 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 2, 2026, 4:44 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Study Using fMRI Imaging to Evaluate the Effect of NKTR-181 on Brain Activity in Healthy, Non-physically Dependent Recreational Opioid Users.

NCT03802227
View directory record Official record
Conditions
Moderate to Severe Chronic Pain
Interventions
NKTR-181, Oxycodone IR
Drug
Lead sponsor
Nektar Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 2, 2026, 4:44 AM EDT
Terminated Phase 2 Interventional Results available

Study to Assess the Efficacy, Safety, and Tolerability of ADL5747 in Participants With Postherpetic Neuralgia

NCT01058642
View directory record Official record
Conditions
Postherpetic Neuralgia
Interventions
ADL5747, Placebo, Pregabalin
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 75 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jul 29, 2015 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Abuse Liability Potential of ALKS 5461 in Healthy, Non-Dependent, Recreational Opioid Users

NCT02413281
View directory record Official record
Conditions
Healthy
Interventions
ALKS 5461, Buprenorphine, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2015 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Multiple Dose Study of TD-1211 in Healthy Volunteers and Patients With Opioid-Induced Constipation

NCT01040637
View directory record Official record
Conditions
Healthy, Opioid-induced Constipation
Interventions
TD-1211, Placebo
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
Pasadena, California • San Antonio, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 2 Interventional Results available

Prescription Opioid Abuse Among Pain Patients: Predictors of Relapse

NCT01967641
View directory record Official record
Conditions
Opioid Dependence
Interventions
buprenorphine/naloxone combination
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 2 Interventional

Safety, Pharmacokinetics and Preliminary Efficacy of Asimadoline in Pruritus Associated With Atopic Dermatitis

NCT02475447
View directory record Official record
Conditions
Pruritus, Atopic Dermatitis
Interventions
Asimadoline, Placebo
Drug
Lead sponsor
Tioga Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
22
States / cities
Birmingham, Alabama • Los Angeles, California • North Miami Beach, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 3 Interventional Results available

Safety of BTDS in Subjects With Osteoarthritic (OA) Pain of Hip or Knee: A 6-Month Open-label Extension Phase

NCT01141283
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 75 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
42
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 2, 2026, 4:44 AM EDT
Completed Phase 2 Interventional

ALK37-003: A Study of RDC-1036 (ALKS 37) in Adults With Opioid-induced Constipation (OIC)

NCT01100151
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
RDC-1036 (ALKS 37), Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
11
States / cities
Sheffield, Alabama • Anaheim, California • Pasadena, California + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2011 · Synced Sep 2, 2026, 4:44 AM EDT