| Not Yet Recruiting | Feasibility of Using an App for Managing Phantom Limb Pain Associated with Combat Injury in Ukraine (PAMELA) NCT06604507 | Winfried Meißner | — |
| Recruiting | (2R,6R)-Hydroxynorketamine for the Treatment of Neuropathic Pain NCT05864053 | Rush University Medical Center | Phase 1 / Phase 2 |
| Recruiting | Novel Stimulation Patterns to Improve the Effectiveness of Spinal Cord Stimulation NCT05968664 | Ashwin Viswanathan | N/A |
| Recruiting | Pain Phenotyping in Patients With Neuropathic Pain After Spinal Cord Injury NCT06443281 | University of Zurich | — |
| Recruiting | Scrambler Therapy for Corticobasal Syndrome-Associated Pain NCT05653778 | Johns Hopkins University | N/A |
| Completed | Prevalence of Pain in Hospitalized Cirrhotic Patients NCT06062108 | Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer | — |
| Completed | Pain Phenotypes in Patients With Fibromyalgia Syndrome NCT05941780 | Kutahya Health Sciences University | — |
| Recruiting | Surgical Treatments for Postamputation Pain NCT05009394 | Prometei Pain Rehabilitation Center | N/A |
| Completed | Phase I Single Ascending Dose and Multiple Ascending Doses of Oral AFA-281 in Healthy Volunteers NCT05547503 | Afasci Inc | Phase 1 |
| Unknown | Tapentadol Versus Tramadol Analgesia Post Cardiac Surgery NCT04718116 | Aretaieion University Hospital | N/A |
| Unknown | Botulinum Toxin A as Treatment for Chronic Postsurgical Pain Following Lung Cancer Surgery NCT04585620 | Allan Vestergaard Danielsen, MD | Phase 1 / Phase 2 |
| Unknown | Effect of Cannabinoids on Pain in Fabry Disease Patients NCT04820361 | Albina Nowak, MD | N/A |
| Unknown | Can Dexmedetomidine With Hyalase Augment Quality and Duration of Analgesia When Added to Lumbar Epidural Stero NCT05349448 | Minia University | EARLY_Phase 1 |
| Unknown | Opioid-free Anesthesia in Thyroidectomies NCT05243940 | Aretaieion University Hospital | N/A |
| Unknown | Efficacy of Median Nerve Hydrodissection by Hyalase Versus Midazolam in the Treatment of Carpal Tunnel Syndrom NCT05344495 | Minia University | EARLY_Phase 1 |
| Completed | Balance and Gait in Diabetic Neuropathy NCT05127538 | Baskent University | N/A |
| Terminated | Comparative Study in Patients With Refractory Chronic Lower Limb Neuropathic Pain and/or Back Neuropathic Pain NCT04852107 | Poitiers University Hospital | N/A |
| Withdrawn | Coordinated Reset Spinal Cord Stimulation NCT04997278 | Stanford University | N/A |
| Completed | Study to Evaluate Automated Intensity Management in Patients Undergoing a BSC SCS Temporary Trial NCT04909593 | Boston Scientific Corporation | N/A |
| Unknown | Morphine Versus Ketamine as Adjuvants in Paravertebral Blocks NCT04852484 | Aretaieion University Hospital | N/A |
| Unknown | Opioid-free Anesthesia With a Mixture of Dexmedetomidine-lidocaine-ketamine NCT04858711 | Aretaieion University Hospital | N/A |
| Withdrawn | Surgical Treatments for Neuroma Pain in Amputees NCT04204668 | Johns Hopkins University | N/A |
| Unknown | Ultrasonographic Insulin Versus Dexamethasone Injection With Local Anestheticss in Diabetic Patients With Mild NCT04781751 | Minia University | N/A |
| Completed | Caregiver Burden and Correlation With Clinical Outcome in Spinal Cord Stimulation for Chronic Neuropathic Pain NCT04737746 | AZ Delta | — |
| Completed | The Relationship of Psychological Factors and Sleep Quality With the Severity of Carpal Tunnel Syndrome NCT05047367 | Cumhuriyet University | — |
| Withdrawn | Transnasal Sphenopalatine Ganglia Block for Management of Chronic Migraines in Pediatric Patients NCT04466826 | Washington University School of Medicine | Phase 2 |
| Unknown | FMRI Assessment After Radiofrequency in Trigeminal Neuralgia NCT03305289 | Assiut University | N/A |
| Recruiting | Ozone Therapy in Chemotherapy-induced Peripheral Neuropathy: RCT (O3NPIQ) NCT04299893 | Bernardino Clavo, MD, PhD | Phase 2 / Phase 3 |
| Completed | Investigating Biological Targets, Markers, and Intervention for Chronic Pain NCT04625504 | Vanderbilt University Medical Center | N/A |
| Unknown | Lidocaine and Magnesium and Ketamine in Gynecological Surgery NCT04622904 | Aretaieion University Hospital | N/A |
| Completed | Pain Neuroscience Education in Diabetic Neuropathy NCT04721847 | Riphah International University | N/A |
| Completed | Safety and Tolerability of NTRX-07 in Healthy Volunteers NCT04375436 | NeuroTherapia, Inc. | Phase 1 |
| Unknown | Using NI-ES to Treat Spinal Cord Injury (SCI) NCT04097015 | SCI Research Advancement | N/A |
| Completed | Assessing Opioid Care Practices Using CPV Patient Simulation Modules NCT04080037 | Qure Healthcare, LLC | N/A |
| Completed | Pregabalin Treatment for RDEB Pain and Itch NCT03928093 | The Hospital for Sick Children | Phase 3 |
| Completed | Distal Peripheral Neuropathy in Type 2 Diabetes NCT05104047 | New York University | N/A |
| Completed | Ice Immersion Using Virtual Reality & Augmented Reality NCT04196686 | Stanford University | N/A |
| Unknown | Effects of Pain Scrambler Therapy for the Alterations of Cerebral Blood NCT03865693 | Hangang Sacred Heart Hospital | N/A |
| Withdrawn | Study of Efficacy and Safety of Gabapentin to Reduce the Need for Strong Opioid Use in Head and Neck Cancer Pa NCT03747562 | University Hospital, Ghent | Phase 3 |
| Withdrawn | Exercise and Pain in Non-Hispanic Blacks and Whites NCT03609957 | Georgia State University | N/A |
| Completed | Intraoperative TAP Block With Bupivacaine/Dexamethasone Against Liposomal Bupivacaine (Exparel®) NCT03723447 | Cedars-Sinai Medical Center | Phase 4 |
| Terminated | Comparison of Conventional Dose Regimen and New Dose Regimen of Pregabalin NCT03691038 | Kangbuk Samsung Hospital | N/A |
| Completed | Local and Widespread Hypoalgesic Effects of Neurodynamic Mobilization in Healthy Controls NCT03674489 | Brenau University | N/A |
| Completed | Dexmedetomidine in TAP Block for Inguinal Hernia Repair NCT04403711 | Aretaieion University Hospital | N/A |
| Unknown | Effect of the Cervical Interlaminar Epidural Steroid Injection on Quality of Life, Pain and Disability NCT04235478 | Marmara University | N/A |
| Completed | Ketamine With Multilevel Paravertebral Block for Post Video-assisted Thoracic Surgery Pain NCT03280017 | Mahidol University | Phase 4 |
| Completed | Regional Analgesia After Cesarean Section NCT03244540 | Medical University of Lublin | Phase 4 |
| Unknown | Treatment of Neuropathic Pain in Leprosy NCT03324035 | University of Sao Paulo | Phase 3 |
| Unknown | Pregabalin add-on for Neuropathic Pain in Cervical Myelopathy NCT03618589 | Seoul National University Hospital | Phase 1 |
| Completed | Valproic Acid for the Prevention of Post-Amputation Pain NCT01928849 | Duke University | Phase 2 |
| Completed | Symptomatic Trigeminal Neuralgia Attributed to Multiple Sclerosis - a Prospective Study in 60 Patients NCT04371575 | Stine Maarbjerg, MD PhD | — |
| Terminated | Modulating Neuropathic Pain With Transcranial Direct Current Stimulation NCT04581525 | Susan McDowell | N/A |
| Completed | Gabapentin and Donepezil Combination on Experimental Human Pain Models NCT01485185 | GlaxoSmithKline | Phase 1 |
| Completed | Cancer in Patients With Gabapentin (GPRD) NCT01236053 | GlaxoSmithKline | — |
| Completed | Efficacy Study in Lumbosacral Radiculopathy NCT01110057 | GlaxoSmithKline | Phase 2 |
| Completed | Study in Neuropathic Pain Patients With Peripheral Nerve Injury NCT00969059 | GlaxoSmithKline | Phase 2 |
| Terminated | Effect of GSK1014802 on Electrical Hyperalgesia and Threshold Tracking in Healthy Subjects NCT00964288 | Biogen | Phase 1 |
| Completed | P38 Mitogen-activated Protein (Map) Kinase Inhibitor (SB-681323)Study In Patients With Neuropathic Pain NCT00390845 | GlaxoSmithKline | Phase 2 |