| Sensory Perception After Thoracotomy (NCT00910949) | Rigshospitalet, Denmark | 2009-06-01 |
| Observatory on Elderly Patients "Les S.AGES" (NCT01065909) | Sanofi | 2009-05-01 |
| Effect of Extended-release Oxymorphone Taken With or Without Food on Cognitive Functioning (NCT00930943) | MedVadis Research Corporation | 2009-05-01 |
| The Effectiveness of Information and Relaxation on Pre-procedural Block Anxiety and Procedural Discomfort During Medial Branch Block (NCT00901082) | Louise Lamb | 2009-04-01 |
| Sublingual Buprenorphine for Chronic Pain (NCT00612287) | National Institute on Drug Abuse (NIDA) | 2009-04-01 |
| Intrathecal Therapy for Chronic Non-Cancer Pain: An Analysis of Its Efficacy (NCT01564069) | Brigham and Women's Hospital | 2009-03-01 |
| Safety and Efficacy of AEG33773 Versus Placebo in Patients With Painful Diabetic Peripheral Neuropathy (NCT00891683) | Aegera Therapeutics | 2009-03-01 |
| Cognitive Function and Addiction Under Opioid Tapering (NCT03365817) | Rigshospitalet, Denmark | 2009-02-02 |
| Prospective Study About Clinical and Pharmacogenetic Safety of Opioid Use for Chronic Pain (NCT00916890) | Fondazione IRCCS Policlinico San Matteo di Pavia | 2009-02-01 |
| A Multiple Dose Trial Evaluating the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of PF-04457845 in Healthy Volunteers (NCT00836082) | Pfizer | 2009-02-01 |
| Impact of a Course on Stress Reduction (NCT00902863) | McMaster University | 2009-02-01 |
| A Confirmatory Study of Fentanyl in Participants With Osteoarthritis or Low Back Pain (NCT01008618) | Janssen Pharmaceutical K.K. | 2009-01-01 |
| Effects of Interdisciplinary Treatment on Sickness Absence in Patients With Chronic Pain (NCT04598373) | Dalarna University | 2009-01-01 |
| Quality of Life and Acupuncture on Chronic Pain: A Randomized Study Before and After Performing (NCT01651338) | Islamic Azad University, Sanandaj | 2009-01-01 |
| Regional-anaesthesiological Infiltration Techniques for the Management of Chronic Pain: a Retrospective Study (NCT03066037) | Charite University, Berlin, Germany | 2009-01-01 |
| Chronic Pain After Thoracotomy, an Incidence Study in a Single Surgical Center (NCT00834769) | Hopital Foch | 2008-12-01 |
| Piloting IVR (Interactive Voice Response) for Chronic Pain Treatment (NCT00651924) | US Department of Veterans Affairs | 2008-12-01 |
| Fentanyl Buccal Tablets Versus Immediate Release Oxycodone for Breakthrough Pain in Patients With Chronic Pain (NCT00813488) | Cephalon | 2008-12-01 |
| Open-Label Safety and Tolerability of Oxymorphone IR and ER in Opioid Tolerant Pediatric Subjects (NCT00765856) | Endo USA Inc., a Keenova Therapeutics Company | 2008-11-17 |
| An Efficacy and Safety Study of Fentanyl in Participants With Chronic Pain (NCT00788372) | Janssen Pharmaceutical K.K. | 2008-11-01 |
| Effect of Ketamine on Opioid-Induced Hyperalgesia (NCT00833755) | Massachusetts General Hospital | 2008-09-01 |
| Chronic Pain and Opioid Dependence Assessment and Treatment (NCT00727675) | Yale University | 2008-08-01 |
| Morphine as First Drug for Cancer Pain (NCT01541124) | Federal University of São Paulo | 2008-08-01 |
| Hormone Function in Men Treated for Pain With Opioids or Placebo (NCT00737737) | National Institute of Nursing Research (NINR) | 2008-08-01 |
| Pain, Psychiatric Disorders, and Disability Among Veterans With and Without Polytrauma (NCT00645970) | US Department of Veterans Affairs | 2008-07-01 |
| Chronic Pain After Thoracotomy, an Incidence Study (NCT00746213) | Rigshospitalet, Denmark | 2008-07-01 |
| Trial Assessing Cooled Radiofrequency Denervation as a Treatment for Sacroiliac Joint Pain Using the Sinergy System (NCT00802997) | Baylis Medical Company | 2008-06-01 |
| AZD1386 Japanese Multiple Ascending Dosing Study (NCT00736658) | AstraZeneca | 2008-06-01 |
| Web-Based Survey of Pain, Stress and Complementary and Alternative Medicine (NCT00740233) | University of California, Los Angeles | 2008-06-01 |
| Chronic Pain Care Network (NCT00909493) | Nova Scotia Health Authority | 2008-06-01 |
| A Long-term Efficacy and Safety Study of Tramadol Hydrochloride Plus Acetaminophen (JNS013) in Japanese Participants With Chronic Pain (NCT00736957) | Janssen Pharmaceutical K.K. | 2008-05-01 |
| Acupuncture for Chronic Pain (NCT01149317) | Albert Einstein College of Medicine | 2008-05-01 |
| Use of Driving Tests to Evaluate Patient Performance on Oral Opioids (NCT00659035) | Asokumar Buvanendran | 2008-04-01 |
| Susceptibility to Chronic Post-Traumatic Extremity Pain (NCT00672711) | Corewell Health East | 2008-04-01 |
| Study Comparing Total Extraperitoneal Patch "TEP" Versus Lichtenstein According Chronic Pain (NCT00803985) | Skane University Hospital | 2008-04-01 |
| Pregabalin and Post-thoracotomy Pain (NCT00663962) | Queen's University | 2008-04-01 |
| The Application of Performance Improvement Principles to the Patient Throughput Process in an Adult Outpatient Pain Treatment Clinic (NCT00888420) | University of Alabama at Birmingham | 2008-02-01 |
| Microneurography and Spinal Cord Stimulation in Chronic Visceral Pain (NCT00678717) | Vanderbilt University Medical Center | 2008-02-01 |
| Study to Investigate the Safety, Tolerability and Pharmacokinetics of AZD1386 (NCT00690079) | AstraZeneca | 2008-02-01 |
| A Double-blind Study of Controlled Release OROS Hydromorphone Compared to Placebo in Patients With Chronic Osteoarthritis (OA) Pain (NCT00631319) | Mallinckrodt | 2008-02-01 |
| Transcranial Magnetic Stimulation for Treating Women With Chronic Widespread Pain (NCT00524420) | University of Washington | 2008-02-01 |
| Persistent Pain After Reconstruction Following Mastectomy (NCT01738048) | Rigshospitalet, Denmark | 2008-01-01 |
| Health-economic Evaulation of Interventional Pain Mangement (NCT01835704) | Eques Indolor AB | 2008-01-01 |
| Effects on Health Related Quality of Life Among Patients With Chronic Pain by Interventional Pain Management (NCT01836666) | Eques Indolor AB | 2008-01-01 |
| Chronic Pain After Inguinal Hernia Repair (NCT00820131) | Medical University of Vienna | 2008-01-01 |
| Acceptability of an Acupuncture Intervention in Painful Elderly (NCT01043692) | Assistance Publique - Hôpitaux de Paris | 2007-10-01 |
| Buprenorphine Transdermal System (BTDS) in Subjects w/Mod-sev Osteoarthritis (OA) Chronic Pain of Knee (NCT00531427) | Purdue Pharma LP | 2007-09-01 |
| Efficacy and Safety of Fentanyl Buccal Tablets Compared With Oxycodone for the Management of Break Through Pain (NCT00463047) | Cephalon | 2007-07-01 |
| Comparison of Mesh Fixation Wit Cyanoacrylate vs Suture in Inguinal Hernia Surgery (NCT02197585) | Hospital del Mar | 2007-06-01 |
| Pain Study to See if Ultram ER Will Provide Relief to Subjects Whose Pain is Not Well Controlled by Narcotics (NCT00505531) | Massachusetts General Hospital | 2007-06-01 |
| Web-based CBT for Children With Chronic Pain (NCT00853138) | Seattle Children's Hospital | 2007-05-01 |
| Chronic Pain Management After Herniorraphy (NCT00772291) | Erasmus Medical Center | 2007-05-01 |
| Paracetamol and Glutathion (NCT01116596) | University Hospital, Clermont-Ferrand | 2007-02-01 |
| Immunologic Response to Negative Cognition in Persons With Chronic Pain (NCT00677911) | Oregon Health and Science University | 2007-02-01 |
| Trial of Analgesia With Lidocaine or Extended-release Oxycodone for Neuropathic Pain Treatment in Multiple Sclerosis (NCT00414453) | University of Rochester | 2007-01-01 |
| A Study of Embeda (Kadian NT, ALO-01) in Subjects With Pain Due to Osteoarthritis of the Hip or Knee (NCT00420992) | Pfizer | 2006-12-01 |
| Spinal Cord Stimulation Versus Nerve Blocks and Physical Therapy (NCT00414804) | Boston Scientific Corporation | 2006-12-01 |
| Open-Label Study to Evaluate the Effect of Treatment With Fentanyl Buccal Tablets on Pain Anxiety Symptoms When Used for the Management of Breakthrough Pain (NCT00387010) | Cephalon | 2006-12-01 |
| Effect of Pulse Width With Spinal Cord Stimulation (NCT00399516) | Boston Scientific Corporation | 2006-11-01 |
| Effectiveness of Precision Spinal Cord Stimulation With Artisan Paddle Electrode (NCT00386724) | Boston Scientific Corporation | 2006-10-01 |
| Effect of Music Therapy on Pain (NCT01020032) | Association de Musicothérapie Applications et Recherches Cliniques | 2006-09-01 |
| Efficacy of the Spinal Cord Stimulation System as Salvage Therapy (NCT00387244) | Boston Scientific Corporation | 2006-08-01 |
| Pain Responses in Patients on Long-Term Opioid Therapy for Chronic Pain (NCT00656942) | Massachusetts General Hospital | 2006-07-01 |
| Effect of Intraoperative Infiltration With Bupivacain on the Development of Chronic Pain After Inguinal Hernia Repair (NCT00484731) | Luzerner Kantonsspital | 2006-07-01 |
| A Clinical Study in Healthy Adults Who Sometimes Take Drugs for Pleasure to Investigate the Safety and Tolerability of GRT0151Y and to Find Out Which Single Dose of the Compound is Maximally Tolerated (NCT03765658) | Grünenthal GmbH | 2006-01-20 |
| A Comparison of the Addiction Liability of Hydrocodone and Sustained Release Morphine (NCT00314340) | University of California, Davis | 2005-11-01 |
| Efficacy and Safety Study of Fentanyl Transdermal Patch for Treatment of Chronic Pain (NCT01902524) | Janssen Korea, Ltd., Korea | 2005-10-01 |
| Standard Telephone Consultation for Pain (NCT01923324) | University of Calgary | 2005-07-01 |
| The Effectiveness of Pain Management Using the ARCHIMEDES® Constant-Flow Infusion Pump System for Intrathecal Delivery (NCT00196053) | Codman & Shurtleff | 2005-03-01 |
| Lidocaine on Manifestations of Fibromyalgia (NCT00991848) | Federal University of São Paulo | 2005-01-01 |
| A Study to Examine the Safety, Pharmacokinetics and Pharmacodynamics of AMG 403 in Healthy Subject (NCT02348879) | Amgen | 2005-01-01 |
| Spinal Cord Stimulation for Low Back Pain (NCT00205868) | Boston Scientific Corporation | 2004-12-01 |
| SynchroMed II Post-Approval Study (NCT00773019) | MedtronicNeuro | 2004-11-01 |
| Cognitive Behavioral Therapy for Insomnia in Chronic Pain Patients (NCT00133601) | National Institute of Nursing Research (NINR) | 2004-10-01 |
| Efficacy and Safety of Oxymorphone Extended Release in Opioid-Experienced Patients With Chronic Non-Malignant Pain (NCT00226421) | Endo USA Inc., a Keenova Therapeutics Company | 2004-10-01 |
| Efficacy and Safety of Tapentadol Extended Release Tablets in the Treatment of Moderate to Severe Pain in Subjects With Knee Osteoarthritis (NCT00745069) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2004-07-01 |
| An Efficacy and Safety Study of Transdermal Therapeutic System (TTS)-Fentanyl in Thai Participants With Chronic Non-Malignant Pain (NCT01816243) | Janssen-Cilag Ltd.,Thailand | 2004-04-01 |
| Efficacy and Safety of SR46349B in Patients With Sleep Disorders in Fibromyalgia (NCT00313885) | Sanofi | 2004-04-01 |
| Effects of Pain on Driving Performance and Cognition. (NCT00189046) | UMC Utrecht | 2004-01-01 |
| A Clinical Study in Healthy Women Which Aims to Explore the Intestinal Uptake of Two Different Tablets of GRTA9906 Into the Body and the Effect of Food on it (NCT03765801) | Grünenthal GmbH | 2003-10-22 |
| Oxymorphone Extended Release in Patients With Cancer or Neuropathic Pain (NCT00911261) | Endo USA Inc., a Keenova Therapeutics Company | 2003-08-01 |
| Comparison of Three Meshes in Lichtenstein Hernia Repair (NCT01295437) | Kuopio University Hospital | 2003-03-01 |
| An Implantable Spinal Cord Stimulation Pain Management System (NCT00205855) | Boston Scientific Corporation | 2003-02-01 |
| A Study to Evaluate the Safety of D-TRANS Fentanyl With Naltrexone in Adult Patients With Chronic Pain and Who Are Opioid Tolerant (NCT00650182) | Alza Corporation, DE, USA | 2003-01-01 |
| A Study Comparing the Effectiveness and Safety of Extended Release Tramadol HCl at 100 mg, 200 mg and 300 mg Doses to Placebo for the Treatment of Moderate to Severe Pain Due to Osteoarthritis (OA) (NCT00348452) | Bausch Health Americas, Inc. | 2002-09-01 |
| 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) | Bausch Health Americas, Inc. | 2002-01-01 |
| Lichtenstein Patch or Prolene Hernia System (PHS) for Inguinal Hernia Repair (NCT01070693) | Helsinki University Central Hospital | 2001-09-01 |
| Health Outcomes From Opioid Therapy for Chronic Pain (NCT00495404) | US Department of Veterans Affairs | 2001-08-01 |
| Study to Evaluate the Efficacy of Dronabinol (Marinol) as Add-On Therapy for Patients on Opioids for Chronic Pain (NCT00153192) | Brigham and Women's Hospital | 2001-04-01 |
| Evolution of Analgesic Tolerance With Opioids (NCT00275249) | University of California, San Francisco | 2001-03-01 |
| A Study Comparing the Effectiveness and Safety of Extended Release Tramadol Versus Placebo for the Treatment of Osteoarthritis (OA) of the Knee (NCT00348010) | Bausch Health Americas, Inc. | 2000-11-01 |
| A One-year, Open-label Study to Assess the Safety and Effectiveness of Extended Release Tramadol HCl in the Treatment of Chronic, Non-malignant Pain. (NCT00347685) | Bausch Health Americas, Inc. | 2000-10-01 |
| Low Level Laser Therapy to Reduce Chronic Pain (NCT00929773) | Erchonia Corporation | 2000-07-01 |
| A Study to Assess the Safety, Dose Conversion, and Dose Individualization of Duragesic® (Fentanyl Transdermal Patch) in the Treatment of Children With Chronic Pain Requiring Narcotic Pain Relief Therapy (NCT00271466) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2000-02-01 |
| Chronic Complaints After Small Umbilical Hernia Repair (NCT01741740) | Hvidovre University Hospital | 2000-01-01 |
| A 15-day Study to Assess the Safety and Clinical Utility of Duragesic (Fentanyl Transdermal Patch) in the Treatment of Children With Continuous Pain Requiring Narcotic Pain Relief Therapy (NCT00271414) | Janssen Pharmaceutica N.V., Belgium | 1999-03-01 |
| Benefit of Laparoscopic Adhesiolysis in Patients With Chronische Abdominal Pain (NCT02839564) | Groene Hart Ziekenhuis | 1997-08-01 |
| Efficacy of Opioids and Mexiletine for the Treatment of Postamputation Pain (NCT00383682) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 1997-07-01 |
| A Study to Assess the Safety and Effectiveness of Durogesic (Fentanyl Transdermal Patch) in the Treatment of Children With Chronic Pain Requiring Long-term Narcotic Pain Relief Therapy (NCT00271453) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 1996-02-01 |
| Individual Patient Expanded Access IND of HB-adMSCs for Chronic Musculoskeletal Pain. (NCT04711811) | Hope Biosciences Research Foundation | |