Not applicableStudy completedNCT04758637What this trial is testingAESOPS Trial 2 (AESOPS-2): Availability of Opioid HarmWho this might be right forOpioid Abuse University of Southern California 61
Large-scale testing (Phase 3)Study completedNCT00463047What this trial is testingEfficacy and Safety of Fentanyl Buccal Tablets Compared With Oxycodone for the Management of Break Through PainWho this might be right forChronic Pain Cephalon 323
Large-scale testing (Phase 3)Study completedNCT05235191What this trial is testingEffectiveness and Safety of Methadone Versus Placebo for the Control of Neuropathic Pain in Different EtiologiesWho this might be right forNeuropathic Pain University of Sao Paulo 80
Not applicableStudy completedNCT00725608What this trial is testingAcceptability and Safety of Switching From Subutex or Other Opioid Drug Dependence Therapy to Suboxone (NIS P05444)Who this might be right forOpioid-Related DisordersOpiate DependenceDrug Abuse Indivior Inc. 339
Large-scale testing (Phase 3)Ended earlyNCT00414024What this trial is testingSafety and Efficacy of Tegaserod in Opioid-induced Constipation in Patients With Non-cancer Pain.Who this might be right forOpioid-induced Constipation Novartis 11
Very early researchNot Yet RecruitingNCT07602335What this trial is testingSafety, Tolerability, and Pharmacokinetics of MCAM in Healthy Adult ParticipantsWho this might be right forOpioid Use Disorder The University of Texas Health Science Center at San Antonio 24
Testing effectiveness (Phase 2)Study completedNCT01361568What this trial is testingStudy to Evaluate Analgesic Effect of IV Administration of Kappa Agonist CR845 For Hysterectomy SurgeryWho this might be right forPostoperative Pain Cara Therapeutics, Inc. 203
Large-scale testing (Phase 3)Study completedNCT00214942What this trial is testingStudy to Evaluate the Efficacy and Safety of ORAVESCENT Fentanyl Citrate for Management of Breakthrough PainWho this might be right forChronic Low Back Pain Cephalon
Large-scale testing (Phase 3)Study completedNCT00472303What this trial is testingEvaluate Tapentadol (CG5503) in the Treatment of Chronic Tumor-Related Pain Compared With Placebo and MorphineWho this might be right forTumorPain Grünenthal GmbH 622
Early research (Phase 1)Study completedNCT03879460What this trial is testingThe Evaluation of Safety and Tolerance of Commercially Available Naltrexone Administered Daily - Assessment for CBRN OperationsWho this might be right forOpioid Intoxication Timothy Smith 15
Not applicableLooking for participantsNCT07079215What this trial is testingEvaluation of a Physical Device for Medical Use (ADTPM 1) for Opioid Withdrawal SymptomsWho this might be right forOpioid Withdrawal (Disorder)Opioid Use Disorder Nu Eyne Co., Ltd. 24
Large-scale testing (Phase 3)Study completedNCT00911287What this trial is testingOxymorphone Extended Release (ER) in Opioid-Naive Patients With Chronic PainWho this might be right forPainChronic Disease Endo USA Inc., a Keenova Therapeutics Company 129
Large-scale testing (Phase 3)Study completedNCT04785638What this trial is testingAn Open-label Safety and Pharmacokinetic Study of INL-001 in Adults Following Various Open Soft-Tissue SurgeriesWho this might be right forPain, PostoperativeHernia, VentralAbdominoplasty+3 more Innocoll 100
Testing effectiveness (Phase 2)Not Yet RecruitingNCT07741188What this trial is testingA Study on the Efficacy and Safety of Anrikefon for Postoperative Pain Relief Following Laparoscopic CholecystectomyWho this might be right forGallbladder StonesGallbladder Polyps Affiliated Hospital of Guangdong Medical University 144
Large-scale testing (Phase 3)Study completedNCT00225797What this trial is testingEfficacy and Safety of Oxmorphone Extended Release in Chronic Non-malignant PainWho this might be right forChronic Pain Endo USA Inc., a Keenova Therapeutics Company 160
Testing effectiveness (Phase 2)Study completedNCT01333540What this trial is testingAssess the Safety, Tolerability and Clinical Activity of TD-1211 in Patients With Opioid-Induced ConstipationWho this might be right forOpioid-induced Constipation (OIC) Glycyx Therapeutics 69
Testing effectiveness (Phase 2)Study completedNCT03026790What this trial is testingVeterans' Pain Care Organizational Improvement Comparative Effectiveness StudyWho this might be right forChronic Pain University of Minnesota 820
Early research (Phase 1)Study completedNCT03810495What this trial is testingThe O'Neil Long Acting Naltrexone Implant (OLANI) Pharmacokinetic (PK)/Safety Study in Healthy VolunteersWho this might be right forOpioid Use Disorder Go Medical Industries Pty Ltd 20
Not applicableLooking for participantsNCT07191067What this trial is testingPivotal Study on the NOVABLOC System for Patients Undergoing Primary Total Knee ArthroplastyWho this might be right forPain Synaptrix, Inc. 120
Large-scale testing (Phase 3)WithdrawnNCT05693675What this trial is testingPostoperative Oral Methadone After Major Spine Surgery; Safety, Feasibility and Efficacy in Prevention of Progression to Chronic Opioid Usage at 3 MonthsWho this might be right forSpine Surgery The University of Texas Health Science Center, Houston