| Recruiting | EOI Block in Otoplasty With Rib Cartilage Graft NCT07262944 | Seoul National University Hospital | N/A |
| Not Yet Recruiting | REctus Sheath Trial NCT07068243 | Duke University | Phase 2 |
| Not Yet Recruiting | Effect of Dexmedetomidine Versus Dexamethasone as Adjuvant to Bupivacaine in Ultrasound Guided Erector Spinae NCT07424599 | Ain Shams University | N/A |
| Recruiting | SPS Block vs. Surgical Intercostal Block for Chronic Pain After Thoracoscopic Surgery NCT07436806 | Medipol University | N/A |
| Recruiting | Ultrasound-Guided Serratus Posterior Superior Intercostal Plane Block for Analgesia in Arthroscopic Shoulder S NCT07394673 | Bursa City Hospital | N/A |
| Not Yet Recruiting | Effect of Virtual Reality on Patient Outcomes and Satisfaction in Total Knee Replacement NCT06933732 | Aykut Turgut | N/A |
| Recruiting | PF614 Analgesic Activity in Acute Postoperative Pain (PF614-301) NCT06602271 | Ensysce Biosciences | Phase 3 |
| Not Yet Recruiting | Electrical Stimulation for Erector Spinae Plane Catheter Insertion NCT05653570 | Stanford University | N/A |
| Recruiting | Nalbuphine Timing Effects on Hemodynamics and Analgesia in Elderly Patients NCT07271849 | Qianfoshan Hospital | Phase 4 |
| Recruiting | Meloxicam in Mohs Micrographic Surgery NCT07200544 | University of Oklahoma | Phase 4 |
| Recruiting | Thoracic Surgery Intercostal Block Trial With Liposomal vs. Hydrochloride Bupivacaine NCT07134660 | Shanghai Pulmonary Hospital, Shanghai, China | N/A |
| Not Yet Recruiting | Erector Spinae Plane Block Versus Iliohypogastric/Ilioinguinal Nerve Block for Post-Hysterctomy Pain Relief NCT07113600 | Kasr El Aini Hospital | N/A |
| Not Yet Recruiting | Effect of Transauricular Vagus Nerve Stimulation on Postoperative Pain Management in Video Assisted Thoracic S NCT06912399 | Peking Union Medical College Hospital | N/A |
| Not Yet Recruiting | Analgesic and Anti-inflamatory Effect of Vit. B NCT06857734 | Benha University | N/A |
| Not Yet Recruiting | Effectiveness of Fentanyl-Added TAP Block in Laparoscopic Cholecystectomy NCT06778668 | Uludag University | N/A |
| Completed | Effect of Transcutaneous Vagus Nerve Stimulation for Pain Control After Cesarean Delivery NCT06788561 | Beijing Tongren Hospital | N/A |
| Completed | Evaluating Intercostobrachial Nerve Block's Effect on Pain Control After Shoulder Replacement NCT06042608 | University of Texas Southwestern Medical Center | N/A |
| Recruiting | The Effect of Adding an IPACK Block to the Adductor Canal Block on Total Knee Arthroplasty Surgery NCT06586840 | Aydin Adnan Menderes University | — |
| Completed | Chronic Pain in Post-Mastectomy Patients; The Difference Between Pectoral Nerve (PECS I-II) and Erector Spinal NCT06900842 | Hacettepe University | — |
| Completed | Transversalis Fascia Plane Block for Iliac Bone Graft in Children NCT06403462 | Seoul National University Hospital | N/A |
| Not Yet Recruiting | Postoperative Pain After Implementation of Standardized Pain Therapy Management in Orthopaedic Patients NCT06363227 | Schulthess Klinik | — |
| Recruiting | Recovering From Bariatric Surgery: the Effects of Early Initiated and Supervised Mobilization NCT06222151 | Esbjerg Hospital - University Hospital of Southern Denmark | N/A |
| Not Yet Recruiting | Effect of Sufentanil on the Postoperative Pain NCT06260046 | Seoul National University Hospital | N/A |
| Recruiting | Impact of Preoperative Opioid-free Multimodal Analgesia on Time to Trial of Void in Ambulatory Urogynecologic NCT06379425 | Northwell Health | Phase 4 |
| Completed | Serratus Posterior Superior Intercostal Plane Block NCT07330479 | University of Gaziantep | N/A |
| Unknown | The Effect of Preemptive Pregabalin on Postoperative Pain and Respiratory Dynamics in Robotic Prostatectomy Op NCT06170359 | Umraniye Education and Research Hospital | — |
| Unknown | Efficacy of Adding Dexmedetomidine Versus Ibuprofen as an Adjuvant to Intraperitoneal Bupivacaine for Pain Con NCT06046105 | Ain Shams University | Phase 2 / Phase 3 |
| Completed | Rhomboid Intercostal Plane Block on Chronic Pain Incidence and Acute Pain Scores After Mastectomy NCT06019325 | Muğla Sıtkı Koçman University | N/A |
| Recruiting | Effects of Pericapsular Nerve Group Block on Postoperative Recovery for Total Hip Arthroplasty NCT06183528 | Umraniye Education and Research Hospital | N/A |
| Recruiting | Determining the Optimal Dose of Intrathecal Morphine for Post-Cesarean Analgesia NCT07023497 | University of Ioannina | N/A |
| Completed | Postoperative Pain Evaluation Of Novel Bioceramic-Based Root Canal Sealers NCT06515756 | Kırıkkale University | N/A |
| Recruiting | REmotely-delivered Supportive Programs for Improving Surgical Pain and disTrEss NCT05625360 | Wake Forest University Health Sciences | Phase 3 |
| Completed | Effectiveness Comparison Between Continuous Cryotherapy and Ice Pack Therapy After Anterior Cruciate Ligament NCT06629285 | University Medical Center Ho Chi Minh City (UMC) | Phase 2 / Phase 3 |
| Completed | Combined Ketorolac Bupivacaine Versus Bupivacaine Alone for TAP Block in Children Undergoing Lower Abdominal S NCT06267820 | Sohag University | Phase 2 |
| Completed | Evaluation of Adjuvant Use in Selective Trunk Block NCT06540534 | Gaziosmanpasa Research and Education Hospital | N/A |
| Completed | Pulsed Shortwave Therapy for Postoperative Analgesia NCT05796583 | University of California, San Diego | N/A |
| Unknown | Autonomous Nervous System Regulated Paediatric Anaesthesia With Dexmedetomidine or Placebo NCT05785689 | University of Southern Denmark | Phase 4 |
| Unknown | Comparison of Pain Scores by Using Audiovisual Aids. NCT05452967 | Aga Khan University | N/A |
| Completed | Comparison of Patient-controlled Analgesia Regimenfor Postoperative Pain in Patients Undergoing Total Knee Art NCT05861791 | Chung-Ang University Gwangmyeong Hospital | N/A |
| Unknown | Comparative Study Between Caudal Epidural Block and Bilateral Erector Spinae Plane Block in Lumbosacral Spine NCT05729308 | Ain Shams University | N/A |
| Completed | Comparing Ketamine and Fentanyl in Pediatric Tonsillectomy: Pain Control and Emergence Delirium Outcomes (KVFP NCT06630364 | Medipol University | Phase 4 |
| Unknown | ESP Block in Robotic Cardiac Surgery NCT05702151 | Hospital Clinic of Barcelona | N/A |
| Unknown | Randomized Trial of Narcotic vs Non-Narcotic Pain Modulation After Labrum Repair NCT05974423 | The Cooper Health System | Phase 4 |
| Unknown | Modified Versus Conventional Serratus Anterior Plane Block NCT05661253 | Zagazig University | N/A |
| Recruiting | Ketorolac Intravenous Regional Analgesia in Lower Limb Surgeries NCT05543785 | Mansoura University | N/A |
| Completed | Application of Non-invasive Neurophysiological Methods in Predicting and Evaluating Postoperative Pain in Adul NCT06731010 | National and Kapodistrian University of Athens | — |
| Completed | Percutaneous Auricular Neuromodulation for Postoperative Analgesia NCT05521516 | University of California, San Diego | N/A |
| Completed | Dexamedatomidine vs. Dexamethasone in Rhomboidal Intercostal Plain Block and Subserratus Block in Breast Surge NCT05385523 | Armed Forces College of Medicine, Cairo, Egypt | N/A |
| Completed | Pulsed Electromagnetic Fields for Postoperative Analgesia: A Randomized, Triple-Masked, Sham-Controlled Pilot NCT05399355 | University of California, San Diego | N/A |
| Withdrawn | Propofol and Dexmedetomidin vs Midazolam Intraoperative Sedation and POCD NCT05398757 | Osijek University Hospital | N/A |
| Completed | Study Exploring the Effect of Music on Pain After Ventral Hernia Surgery NCT05374096 | The Cleveland Clinic | N/A |
| Unknown | Erector Spinae Plane Block Versus Quadratus Lumborum Block for Open Renal Surgeries in Children NCT05386121 | Cairo University | Phase 4 |
| Recruiting | Minimally Invasive Esophagectomy Pain Control Trial NCT05906134 | Swedish Medical Center | Phase 1 / Phase 2 |
| Completed | Incidence of Chronic Pain After Sternotomy NCT05357963 | Ankara City Hospital Bilkent | — |
| Unknown | Analgesic Effect of Intraoperative Intravenous S-Ketamine During Total Knee Arthroplasty Surgery NCT05289050 | Ling Dong | Phase 4 |
| Completed | Comparision of M-TAPA Versus TAPB After Laparoscopic Cholecystectomy NCT05207306 | Seoul National University Hospital | N/A |
| Completed | Erector Spinae Plane Block vs. PECS I-II Blocks After Breast-conserving Surgery NCT06758765 | Istanbul Saglik Bilimleri University | N/A |
| Completed | Impact of Gut Microbiota and Tryptophan Metabolites on Acute Pain in Lumbar Disc Herniation Surgery Patients NCT06502223 | Dokuz Eylul University | — |
| Completed | Comparison of Two Different Approach TAP Block on Pain Management of Laparoscopic Nephrectomy NCT05188794 | Ankara City Hospital Bilkent | N/A |
| Completed | Comparation of Bilateral and Unilateral Erector Spinae Plane Block NCT05152602 | Ankara City Hospital Bilkent | — |
| Unknown | Incidence of Chronic Pain After Thoracotomy NCT05177575 | Atatürk Chest Diseases and Chest Surgery Training and Research Hospital | — |
| Unknown | Incidence of Chronic Pain After Video-Assisted Thoracic Surgery NCT05187390 | Atatürk Chest Diseases and Chest Surgery Training and Research Hospital | — |
| Withdrawn | Pericapsular Nerve Group Block (PENG) for Hip Surgery NCT05118620 | University of California, San Diego | Phase 4 |
| Recruiting | Opioid Free Anaesthesia-Analgesia Strategy on Surgical Stress and Immunomodulation in Elective VATS-Lobectomy NCT05172739 | University of Crete | Phase 4 |
| Recruiting | Incidence of Chronic Pain After Thoracic Surgery NCT05145153 | Atatürk Chest Diseases and Chest Surgery Training and Research Hospital | — |
| Completed | The Impact of Breath Exercise Training on Postoperative Pain, Anxiety, and Nausea-Vomiting in General Surgery NCT06546514 | Ataturk University | N/A |
| Enrolling By Invitation | The Correlation Between Intraoperative End Tidal Carbon Dioxide, Perfusion Index and Pulse Variability Index o NCT06865378 | Naime Yalçın | — |
| Completed | Comparison of Erector Spinae Plane Block and Rectus Sheath Block NCT05225766 | Uludag University | N/A |
| Completed | Pain Treatment With Combinations of NSAIDs NCT05994287 | Federal State Budgetary Organization, Federal Center for Traumatology, Orthopedics and Arthroplasty | N/A |
| Completed | Postoperative Pain in Patients Undergoing Scheduled Laparoscopic Intestinal Resection Surgery NCT05222789 | Dr. Negrin University Hospital | — |
| Completed | Comparison of the Effects of Tenoxicam and Paracetamol on Postoperative Pain NCT05508451 | TC Erciyes University | N/A |
| Completed | Caudal Block and Transversus Abdominis Plane Block in Pediatric Inguinal Hernia Repair NCT05286190 | Istanbul University | N/A |
| Completed | Effectiveness of Pain Control and Adverse Reactions After Intravenous PCA in Chinese Population NCT05884021 | Huazhong University of Science and Technology | — |