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ClinicalTrials.gov public records Last synced Oct 4, 2026, 9:26 PM EDT

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Showing 145–168 of 182 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Chronic Opioid Therapy Clear all
Terminated Not applicable Interventional Results available

Methadone, Morphine, or Oxycodone in Treating Pain in Patients With Cancer

NCT00726830
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Pain, Precancerous Condition, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
methadone hydrochloride, morphine sulfate, oxycodone hydrochloride
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Spartanburg, South Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional

Health Outcomes From Opioid Therapy for Chronic Pain

NCT00495404
View directory record Official record
Conditions
Chronic Pain, Behavior, Addictive
Interventions
Physician Treatment Guidelines
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 1 Interventional

Cognitive-Behavioral Therapy for Pain and Opioid Dependence in Methadone Maintenance Treatment

NCT01334580
View directory record Official record
Conditions
Chronic Pain, Opiate Dependence
Interventions
Cognitive-Behavioral Therapy for Pain and Opioid Dependence, Methadone Drug Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

Treating Chronic Pain in Buprenorphine Patients in Primary Care Settings

NCT03698669
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Treating Opioid Patients' Pain and Sadness (TOPPS), Health Education (HE)
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years to 65 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Fall River, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

Strategies to Improve Pain and Enjoy Life

NCT03743402
View directory record Official record
Conditions
Chronic Pain
Interventions
Pain self-management training, video education, motivational interviewing, voluntary self-paced opioid taper, prescribing guidance for primary care provider, usual care
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

Integrated Services for Pain: Interventions to Reduce Pain Effectively

NCT03454555
View directory record Official record
Conditions
Chronic Pain
Interventions
Shared Decision Making, Motivational Interviewing and Cognitive Behavioral Therapy for Chronic Pain
Behavioral
Lead sponsor
RTI International
Other
Eligibility
18 Years to 85 Years
Enrollment
543 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 4, 2026, 9:26 PM EDT
Withdrawn No phase listed Observational

Addiction Treatment in Primary Care Expansion

NCT03547882
View directory record Official record
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Denver, Colorado • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Hydrocodone Bitartrate Extended-Release Tablets for Moderate to Severe Chronic Low Back Pain

NCT01789970
View directory record Official record
Conditions
Low Back Pain
Interventions
Hydrocodone ER, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
87
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 71 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 2 Interventional Results available

Clomiphene Citrate for the Treatment of Low Testosterone Associated With Chronic Opioid Pain Medication Administration

NCT01880086
View directory record Official record
Conditions
Hypogonadism, Opioid-Related Disorders, Male Infertility
Interventions
Clomiphene citrate, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 4, 2026, 9:26 PM EDT
Terminated Phase 3 Interventional Results available

Low-Dose Naltrexone in Combination With Standard Treatment in Women With Endometriosis

NCT03970330
View directory record Official record
Conditions
Endometriosis
Interventions
Naltrexone, Norethindrone Acetate, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 4, 2026, 9:26 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

H-coil TMS to Reduce Pain: A Pilot Study Evaluating Relative Efficacy of the H1 vs H7 Coil

NCT04203199
View directory record Official record
Conditions
Healthy, Chronic Pain, Opioid Use, Pain, Chronic
Interventions
Real rTMS to the mPFC using H7 Coil, Real rTMS to the dlPFC using H1 Coil
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy and Real-Time Pain Management Intervention for Sickle Cell Via Mobile Applications

NCT04419168
View directory record Official record
Conditions
Chronic Pain, Depression, Anxiety, Opioid Use
Interventions
cCBT, m-Education
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
7
States / cities
Chicago, Illinois • Baltimore, Maryland • Durham, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 4, 2026, 9:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Chronic Widespread Pain in HIV: Novel Mechanisms and Therapeutics

NCT04787848
View directory record Official record
Conditions
Chronic Widespread Pain
Interventions
Relistor Injectable Product
Drug
Lead sponsor
Florida International University
Other
Eligibility
19 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 4 Interventional Results available

Opioid Treatment for Chronic Low Back Pain and the Impact of Mood Symptoms

NCT01502644
View directory record Official record
Conditions
Chronic Low Back Pain, Degenerative Disc Disease, Depression, Anxiety
Interventions
Oxycodone, Morphine, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 75 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 3 Interventional

A Study Comparing the Effectiveness and Safety of Varying Dose Strengths (100, 200, 300 and 400 mg) of Extended-release Tramadol HCl With Placebo for the Treatment of Osteoarthritis(OA) of the Knee and/or Hip

NCT00325858
View directory record Official record
Conditions
Chronic Pain
Interventions
Tramadol HCl ER
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Duncansville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2012 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety of Sativex Oromucosal Spray (Sativex®; Nabiximols) as Adjunctive Therapy in Patients With Uncontrolled Persistent Chronic Cancer Related Pain

NCT01337089
View directory record Official record
Conditions
Pain, Advanced Cancer
Interventions
Nabiximols
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
37
States / cities
Phoenix, Arizona • El Cajon, California • Gilroy, California + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional

Valdecoxib in Treating Chronic Pain in Cancer Patients

NCT00021996
View directory record Official record
Conditions
Pain, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
valdecoxib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety of Naldemedine

NCT01965652
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
Naldemedine, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
99
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 96 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2018 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 2 Interventional Results available

The Role of N-acetyl-l-cysteine (NAC) as an Adjuvant to Opioid Treatment in Patients With Chronic Neuropathic Pain

NCT01840345
View directory record Official record
Conditions
Neuropathic Pain
Interventions
N-acetyl-l-cysteine
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Treatment, Pain, and Opioids

NCT05363176
View directory record Official record
Conditions
Chronic Pain
Interventions
Cognitive-Behavioral Therapy for Treatment Seeking, Pain treatment education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Canandaigua, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 1Phase 2 Interventional

Medication Adherence Therapy for Opioid Abusing Pain Patients

NCT00249587
View directory record Official record
Conditions
Pain, Chronic Disease, Prescription Opioid Abuse
Interventions
Methadone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

EMPOWER: Randomized Trial of Online Chronic Pain Management Program to Reduce Reliance on Opioid Analgesic Medications

NCT03308188
View directory record Official record
Conditions
Chronic Pain
Interventions
E-health program
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
25 Years to 80 Years
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Oct 4, 2026, 9:26 PM EDT
Terminated Phase 4 Interventional Results available

Buprenorphine Treatment: A Safe Alternative for Opioid Dependent Pain Patients

NCT01841931
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Dependence, Chronic Pain
Interventions
Buprenorphine/Naloxone
Drug
Lead sponsor
Theresa Jacob, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 4, 2026, 9:26 PM EDT
Completed Phase 1 Interventional

Mindfulness-Oriented Recovery Enhancement for Chronic Pain Patients Receiving Opioid Therapy

NCT01505101
View directory record Official record
Conditions
Chronic Pain, Opioid Abuse, Unspecified Use
Interventions
Mindfulness-Oriented Recovery Enhancement, Conventional Support Group (SG)
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Oct 4, 2026, 9:26 PM EDT