Large-scale testing (Phase 3)Study completedNCT03365817What this trial is testingCognitive Function and Addiction Under Opioid TaperingWho this might be right forChronic PainOpioid Use Rigshospitalet, Denmark 75
Not applicableActive Not RecruitingNCT05571917What this trial is testingHealing Opioid Misuse and Pain Through Engagement (HOPE) TrialWho this might be right forOpioid Use DisorderChronic Pain University of New Mexico 160
Not applicableStudy completedNCT02308306What this trial is testingPredictive Markers of the Effects of Opioid TherapyWho this might be right forOpioid Analgesic Treatment ResponseChronic Pain University of Aarhus 62
Not applicableStudy completedNCT00495404What this trial is testingHealth Outcomes From Opioid Therapy for Chronic PainWho this might be right forChronic PainBehavior, Addictive US Department of Veterans Affairs 135
Testing effectiveness (Phase 2)Study completedNCT01915147What this trial is testingExplore the Influence of Two Opioid Pain Medications on Bacterial Composition in the Gut and Other Gastrointestinal AspectsWho this might be right forSevere Chronic Pain Mundipharma Research GmbH & Co KG 108
Not applicableStudy completedNCT00473993What this trial is testingHepatitis C Among Opioid Addicts in Opioid Maintenance Treatment in Zurich, SwitzerlandWho this might be right forHepatitis C, ChronicSubstance Abuse Treatment CentersOpioid-Related Disorders Seidenberg, Arztpraxis A., M.D.
Very early researchLooking for participantsNCT07408193What this trial is testingThe Role of Coadministration of Lidocaine and Ketamine in Opioid-Refractory Chronic Cancer-Related Pain.Who this might be right forOpioid-Refractory Chronic Cancer-Related Pain National and Kapodistrian University of Athens 24
Not applicableStudy completedNCT04011176What this trial is testingMicrocurrent Treatment for Chronic Debilitating PainWho this might be right forPainOpioid Use Paul Crawford 200
Post-approval studies (Phase 4)UnknownNCT03397212What this trial is testingTreatment of Withdrawal Symptoms With NADA Acupuncture in Chronic Pain PatientsWho this might be right forChronic PainOpiate Withdrawal Syndrome Rigshospitalet, Denmark 50
Large-scale testing (Phase 3)Ended earlyNCT03970330What this trial is testingLow-Dose Naltrexone in Combination With Standard Treatment in Women With EndometriosisWho this might be right forEndometriosis Milton S. Hershey Medical Center 9
Testing effectiveness (Phase 2)WithdrawnNCT02276989What this trial is testingEvaluation of a Compliance Marker in Prescription Opioid Abusers With Chronic PainWho this might be right forComplianceChronic Pain Georgetown University
Testing effectiveness (Phase 2)Study completedNCT04760613What this trial is testingCBD for Chronic Radicular Pain on Chronic Opioid Therapy (COT)Who this might be right forRadiculopathy NYU Langone Health 14
Large-scale testing (Phase 3)Study completedNCT00348010What this trial is testingA Study Comparing the Effectiveness and Safety of Extended Release Tramadol Versus Placebo for the Treatment of Osteoarthritis (OA) of the KneeWho this might be right forChronic Pain Bausch Health Americas, Inc. 245
Large-scale testing (Phase 3)WithdrawnNCT01431742What this trial is testingLongterm Safety Study of BEMA Buprenorphine in Subjects With Chronic Low Back PainWho this might be right forPainLow Back Pain BioDelivery Sciences International
Testing effectiveness (Phase 2)Study completedNCT01443403What this trial is testingNaldemedine (S-297995) for the Treatment of Opioid-Induced Constipation in Adults With Non-Malignant Chronic Pain Receiving Opioid TherapyWho this might be right forOpioid-induced Constipation Shionogi 244
Not applicableUnknownNCT05908552What this trial is testingTopical Cannabis for Chronic Musculoskeletal PainWho this might be right forChronic PainMusculoskeletal PainJoint Pain University of Colorado, Denver 77
Not applicableUnknownNCT02964000What this trial is testingPhoenix Thera-Lase for Treating Chronic Pain in Patients Taking Opioid on a PRN BasisWho this might be right forPain Phoenix Thera-lase Systems, LLC 75
Post-approval studies (Phase 4)UnknownNCT03549312What this trial is testingSwitch to Genvoya Followed by HCV Therapy With Epclusa Followed by Simplification of HIV Therapy With Biktarvy in Patients With HIV-HCV Co-Infected Subjects on Opioid Substitution TherapyWho this might be right forHIV-1-infectionHepatitis C, ChronicMethadone Dependence+6 more Saskatchewan Health Authority - Regina Area 25
Not applicableStudy completedNCT03648177What this trial is testingIntegrative Psychosocial Group TreatmentWho this might be right forChronic PainOpioid Misuse University of Pittsburgh 30
Large-scale testing (Phase 3)Ended earlyNCT01901302What this trial is testingEfficacy and Safety Study of CB-5945 for the Treatment of Opioid-Induced ConstipationWho this might be right forOpioid-Induced Constipation Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 61