Not applicableStudy completedNCT02068274What this trial is testingCO2 Monitoring StudyWho this might be right forChronic PainHypercapniaQuality of Life Cantonal Hospital, Baselland 17
Large-scale testing (Phase 3)Ended earlyNCT01696643What this trial is testingSafety 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) 1,407
Post-approval studies (Phase 4)Study completedNCT00007527What this trial is testingDetermine the Safety of a Sublingual Tablet Formulation of Buprenorphine and Naloxone by Extending the Combination Tablet Availability to Physicians in Office-Based PracticeWho this might be right forOpiate Dependence US Department of Veterans Affairs 600
Post-approval studies (Phase 4)WithdrawnNCT00858754What this trial is testingStudy Evaluating Safety & Efficacy of Subcutaneous Methylnaltrexone on Opioid-Induced Constipation in Cancer SubjectsWho this might be right forOpioid-Induced Constipation Bausch Health Americas, Inc.
Large-scale testing (Phase 3)Study completedNCT01863186What this trial is testingEfficacy, Safety and Dose-Response Study Followed by Open-Label Study of Lofexidine Treatment of Opioid WithdrawalWho this might be right forOpioid DependenceAcute Opioid Withdrawal Syndrome USWM, LLC (dba US WorldMeds) 603
Testing effectiveness (Phase 2)Looking for participantsNCT05529927What this trial is testingEfficacy and Safety of Sustained-release Dexamphetamine in Patients With Moderate to Severe Cocaine Use DisorderWho this might be right forCocaine Use Disorder Parnassia Addiction Research Centre 204
Testing effectiveness (Phase 2)Ended earlyNCT01058642What this trial is testingStudy to Assess the Efficacy, Safety, and Tolerability of ADL5747 in Participants With Postherpetic NeuralgiaWho this might be right forPostherpetic Neuralgia Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 41
Large-scale testing (Phase 3)Study completedNCT00609466What this trial is testingA Trial to Evaluate CG5503 Efficacy and Safety in Acute Pain After BunionectomyWho this might be right forBunionectomyPainPostoperative Pain+1 more Grünenthal GmbH 291
Testing effectiveness (Phase 2)Study completedNCT04238754What this trial is testingOral Cannabidiol for Opioid WithdrawalWho this might be right forOpioid WithdrawalOpioid CravingOpioid Use Disorder Johns Hopkins University 3
Post-approval studies (Phase 4)Study completedNCT03604354What this trial is testingSafety and Efficacy of Pre-emptive Tapentadol vs Pregabalin in Post Operative Pain Following SurgeryWho this might be right forOsteoarthritis, Knee All India Institute of Medical Sciences, Bhubaneswar 95
Testing effectiveness (Phase 2)Ended earlyNCT04070157What this trial is testingRandomized, Double-Blind, Placebo-Controlled Pilot Study on the Safety and Effectiveness of LUCEMYRA During an Opioid Taper in Treatment of WithdrawalWho this might be right forOpioid Withdrawal (Disorder) USWM, LLC (dba US WorldMeds) 4
Large-scale testing (Phase 3)Study completedNCT01280331What this trial is testingComparison of the Safety of Q8003 Versus Morphine Equivalent Doses of Its Components (Oxycodone and Morphine) in Bunionectomy PatientsWho this might be right forPostoperative Pain QRxPharma Inc. 375
Large-scale testing (Phase 3)UnknownNCT03687268What this trial is testingNaloxone HCl PR Tablets in Patients With Opioid Induced ConstipationWho this might be right forOpioid-Induced Constipation Develco Pharma Schweiz AG 1,500
Large-scale testing (Phase 3)Study completedNCT00313833What this trial is testingSafety and Effectiveness of Buprenorphine Transdermal System in Elderly Subjects With Chronic Pain: Pilot Study.Who this might be right forChronic Pain Purdue Pharma LP 100
Early research (Phase 1)Study completedNCT02218021What this trial is testingThe Abuse Liability Potential of Samidorphan in Healthy, Non-Dependent, Recreational Opioid UsersWho this might be right forHealthy Volunteers Alkermes, Inc. 59
Not applicableNot Yet RecruitingNCT06848504What this trial is testingMedSMA℞T Mobile EDWho this might be right forOpiate-Related DisordersOpiate Use DisorderOpioid Olufunmilola Abraham 244
Large-scale testing (Phase 3)Study completedNCT01685684What this trial is testingOxycodone DETERx™ Versus Placebo in Chronic Low Back Pain (CLBP)Who this might be right forChronic Low Back Pain Collegium Pharmaceutical, Inc. 740
Large-scale testing (Phase 3)Study completedNCT01052012What this trial is testingBupivacaine Effectiveness and Safety in SABER® TrialWho this might be right forPostoperative PainAbdominal Surgery Durect 331
Not applicableStudy completedNCT04918446What this trial is testingTechnology-Assisted Prescription Opioid Safety EducationWho this might be right forOpioid Use West Virginia University 96
Large-scale testing (Phase 3)Study completedNCT00459277What this trial is testingEfficacy & Safety Study of Nasalfent (Fentanyl Citrate Nasal Spray) for Treatment of Breakthrough Cancer Pain in Patients Taking Regular OpioidsWho this might be right forCancer Pain Archimedes Development Ltd 73