| Electroacupuncture Pain Treatment, Mechanical Hyperalgesia, Quality of Life & Expression of Mu+ B Cells in Fibromyalgia (NCT05357157) | University of Crete | 2022-05-31 |
| Safety and Efficacy Evaluation of S (+) - Ketamine in Children (NCT04834427) | Chinese PLA General Hospital | 2022-04-20 |
| Impact of Repeatedly-Administered THC-cannabis on Experimental Pain and Abuse Liability in Humans (NCT04596644) | New York State Psychiatric Institute | 2021-08-01 |
| Repeated Cannabis Administration on Experimental Pain and Abuse Liability (NCT04576507) | New York State Psychiatric Institute | 2021-06-01 |
| Evaluation of a Patient-Centred, Multidisciplinary Opioid Tapering Program for Individuals With Chronic Non-Cancer Pain on Long Term Opioid Therapy (NCT04902547) | University of Manitoba | 2021-05-01 |
| Reducing Nocebo Effects on Pressure Pain (NCT05284383) | Leiden University | 2021-03-23 |
| ERECTOR SPINE PLANE BLOCK VERSUS LOCAL INFILTRATION ANAESTHESIA FOR TRANSFORAMINAL PERCUTANEOUS ENDOSCOPIC DISCECTOMY (NCT05483647) | Lviv National Medical University | 2021-01-01 |
| Bilateral Bi-level Erector Spine Plane Block as a Component of General Anesthesia in Surgical Correction of Spinal Deformations (NCT04697498) | Lviv National Medical University | 2020-12-16 |
| Pain Response to Cannabidiol in Opioid-induced Hyperalgesia, Acute Nociceptive Pain and Allodynia By Using a Model Mimicking Acute Pain in Healthy Adults (NCT04059978) | University Hospital, Basel, Switzerland | 2020-05-26 |
| Central Sensitisation and Postoperative Pain (NCT04220697) | Université Catholique de Louvain | 2020-01-29 |
| Electrophysiological Correlates of Nocebo Effects on Pain (NCT04199858) | Leiden University Medical Center | 2019-10-21 |
| Pain-related Fear as a Facilitator of Nocebo Hyperalgesia (NCT04197154) | Leiden University Medical Center | 2019-10-14 |
| Pain Response to Cannabidiol in Induced Acute Nociceptive Pain, Allodynia and Hyperalgesia By Using a Model Mimicking Acute Pain in Healthy Adults (NCT03985995) | University Hospital, Basel, Switzerland | 2019-09-16 |
| Exercise-induced Ischemia and the Influence of Pain Modulation in a Nerve Growth Factor (NGF) Model (NCT03844243) | Aalborg University | 2019-02-18 |
| Gabapentin Pretreatment for Staged Bilateral Cataract Operations (NCT03826615) | Seoul National University Hospital | 2019-02-01 |
| The Role of Learning in Nocebo Hyperalgesia (NCT03793790) | Leiden University Medical Center | 2018-09-20 |
| Pilot Study to Compare Topical Voriconazole to Placebo as a Pain Reducing Agent (NCT02689713) | Kenneth Hargreaves | 2018-06-15 |
| Hyperalgesia, Persistent Pain, and Fentanyl Dosing in On-Pump Coronary Artery Bypass Grafting (NCT03450161) | University Hospital, Ghent | 2018-05-14 |
| Interaction Between NGF and Acute Exercise-induced Ischemia (NCT03470038) | Aalborg University | 2018-03-15 |
| Cortical Neuroplasticity by Muscle Pain of Pain-induced Plasticity (NCT03354624) | Aalborg University | 2017-11-26 |
| Prevention of Hyperalgesia With Epidural Morphine (NCT03225690) | Cukurova University | 2017-07-19 |
| Spread of Muscle Hyperalgesia and Pain in a Low Dose NGF-induced Pain Model (NCT03217942) | Aalborg University | 2017-07-01 |
| The Relationship Between Saliva β-endorphins Levels, Cold Pressor Test and Perception of Pain in Oral Surgery Procedures (NCT03164161) | Lithuanian University of Health Sciences | 2017-05-01 |
| Administration of Acetazolamide to Prevent Remifentanil Induced Hyperalgesia (NCT02992938) | University of Chile | 2016-12-01 |
| DNA Methylation and Perioperative Pain Treatment (NCT02938455) | University of Bologna | 2016-10-01 |
| Opioid Induced Hyperalgesia (OIH) Modulation With Propranolol (NCT02934763) | Pontificia Universidad Catolica de Chile | 2016-10-01 |
| Dextromethorphan Effect on Central Sensitization to Pain in Healthy Volunteers (NCT02596360) | University Hospital, Clermont-Ferrand | 2015-11-01 |
| L-menthol as a Topical Counter-irritant to TRPA1-induced Neurogenic Inflammation and Pain (NCT02653703) | Aalborg University | 2014-10-01 |
| Preoperative Intraarticular Injection of Methylprednisolone in Patients Scheduled for Total Knee-arthroplasty (NCT02253966) | Rigshospitalet, Denmark | 2014-10-01 |
| Effect of Gabapentin on Pain of the Second Cataract Surgery (NCT02127853) | Seoul National University Hospital | 2014-07-01 |
| Prevention of Remifentanil-induced Postoperative Hyperalgesia With Intravenous Ibuprofen (NCT02243254) | Seoul National University Hospital | 2014-07-01 |
| Fenobam on Heat/Capsaicin Induced Hyperalgesia in Healthy Volunteers (NCT01981395) | Laura Cavallone | 2014-01-01 |
| Analgesic Effect of Oxytocin Receptor Modulation (NCT01918475) | Insel Gruppe AG, University Hospital Bern | 2013-07-01 |
| Hypoalgesic Effects Neural Mobilization Techniques (NCT02011477) | Josue Fernandez Carnero | 2013-03-01 |
| Opioid-induced Hyperalgesia After Remifentanil Infusion (NCT01702389) | Oslo University Hospital | 2012-10-01 |
| Evaluation of the Antihyperalgesic Effect of Tapentadol in Two Human Experimental Models (NCT01615510) | University Hospital Schleswig-Holstein | 2012-10-01 |
| IV Acetaminophen as an Adjunct Analgesic in Cardiac Surgery (NCT01544062) | University of Washington | 2012-07-01 |
| Hyperbaric Oxygen Therapy Attenuates Central Sensitization Induced by a Thermal Injury in Human Volunteers (HBO) (NCT02025686) | Per Rotbøll Nielsen | 2012-03-01 |
| Hyperalgesia and Pain (NCT01581450) | Air Liquide Santé International | 2012-01-01 |
| Preventing Pain After Heart Surgery (NCT01480765) | Barts & The London NHS Trust | 2011-12-12 |
| Evaluation of the Effect of Ketamine on Remifentanil-induced Hyperalgesia (NCT01301079) | Federal University of São Paulo | 2010-09-01 |
| Effect of Propofol on Remifentanil-induced Postoperative Hyperalgesia in Patients Undergoing Thyroid Surgery (NCT01189721) | Gangnam Severance Hospital | 2010-08-01 |
| Perioperative Opioid-induced Hyperalgesia and Its Prevention With Ketamine and Methadone (NCT01594047) | Fondazione IRCCS Istituto Nazionale dei Tumori, Milano | 2009-12-01 |
| The Effect of High-dose Remifentanil on Established Sunburn-induced Hyperalgesia in Human Volunteers (HighDose RemiSun) (NCT01015482) | Medical University of Vienna | 2009-11-01 |
| Effect of Intraoperative Magnesium on Remifentanil-induced Postoperative Hyperalgesia After Thyroidectomy (NCT01025245) | Yonsei University | 2009-11-01 |
| The Effect of High-dose Remifentanil on Established Capsaicin-induced Hyperalgesia in Human Volunteers (NCT00886106) | Medical University of Vienna | 2009-06-01 |
| Study on the Development of Opioid Induced Hyperalgesia (OIH) After Exposure to Alfentanil (NCT00991809) | Johns Hopkins University | 2009-02-01 |
| Study on the Effect of a Beta Blocker on Increased Sensitivity to Pain in Humans Caused by Opioids (NCT01222091) | Stanford University | 2009-02-01 |
| Local Anesthetic Infusion and Sternotomy (NCT00802048) | University Hospital, Bordeaux | 2009-02-01 |
| The Effect of Remifentanil on Established Sunburn-induced Hyperalgesia in Human Volunteers (NCT00811837) | Medical University of Vienna | 2009-01-01 |
| Local Anesthetic Infiltration to Prevent Postoperative Pain After Lumbar Surgery (NCT00825422) | University Hospital, Bordeaux | 2009-01-01 |
| The Effect of Remifentanil on Established Capsaicin-Induced Hyperalgesia in Human Volunteers (NCT00789386) | Medical University of Vienna | 2008-11-01 |
| Effect of Ketamine on Opioid-Induced Hyperalgesia (NCT00833755) | Massachusetts General Hospital | 2008-09-01 |
| Pain Medicine for Wound Care Procedures (NCT00701909) | University of California, San Francisco | 2008-06-01 |
| A Safety Tolerance and Experimental Hyperalgesia Study of Oral NGX426 in Healthy Male Voluneteers (NCT00832546) | TorreyPines Therapeutics | 2008-05-01 |
| Effects of Nefopam on Hyperalgesia After Cardiac Surgery (NCT00413257) | University Hospital, Bordeaux | 2006-12-01 |
| A Study Of GSK189254 And Duloxetine In The Electrical Hyperalgesia Model Of Healthy Volunteers (NCT00387413) | GlaxoSmithKline | 2006-10-02 |
| Dextromethorphan, Gabapentin, and Oxycodone to Treat Opioid-Induced Hyperalgesia (NCT00218374) | National Institute on Drug Abuse (NIDA) | 2006-10-01 |
| Effects of Lidocaine Patch on Intradermal Capsaicin Induced Pain and Hyperalgesia (NCT00373893) | University of California, San Diego | 2005-12-01 |
| Effect of Valdecoxib Pretreatment on Pain and Secondary Hyperalgesia in Healthy Volunteers (NCT00260325) | Penn State University | 2004-08-01 |
| Effects of N-Methyl-D-Aspartate (NMDA)-Receptor Antagonism on Hyperalgesia, Opioid Use, and Pain After Radical Prostatectomy (NCT00188383) | University Health Network, Toronto | 2004-01-01 |
| GW406381 In Patients With Peripheral Nerve Injury (NCT00279032) | GlaxoSmithKline | 2003-09-01 |
| Analgesic Efficacy of Smoked Cannabis (NCT00241579) | Center for Medicinal Cannabis Research | 2002-02-01 |
| Influence of Genetics in Pain Sensitivity (NCT00001956) | National Institute of Dental and Craniofacial Research (NIDCR) | 2000-01-01 |
| Positron Emission Tomography to Measure Pain and Pain Control (NCT00001307) | National Institute of Dental and Craniofacial Research (NIDCR) | 1992-08-01 |