| Completed | Pain Relief and and Peripheral Perfusion Index During Erector Spinae Block NCT06963424 | Keimyung University Dongsan Medical Center | N/A |
| Completed | Transversus Abdominis Plan (TAP) Block In Transcatheter Aortic Valve Implantation (TAVI) NCT06762288 | Istanbul University - Cerrahpasa | N/A |
| Completed | Analgesic Efficacy of Serratus Posterior Superior Intercostal Plane (SPSIP) Block in Shoulder Arthroscopies NCT06423677 | Kanuni Sultan Suleyman Training and Research Hospital | N/A |
| Recruiting | Histological and Volumetric Evaluation of Customized Allograft Bone Blocks NCT05937035 | Universitat Internacional de Catalunya | N/A |
| Unknown | Retrolaminar Block Versus Tab Block in Abdomioasty NCT06265402 | Tanta University | N/A |
| Unknown | A Comparative Study Between Ultrasound Guided External Oblique Intercostal Plane (EOIP) Block and Erector Spin NCT06097286 | Ain Shams University | N/A |
| Unknown | Pulse Radiofrequency and Occipital Nerve Block for Chronic Migraine Patients NCT06247592 | Aydin Adnan Menderes University | N/A |
| Completed | QL vs PENG for Analgesia After Hip Arthroplasty NCT05710107 | Medical University of South Carolina | N/A |
| Completed | Erector Spina Plane Block and Radiofrequency Treatmen NCT05888285 | Diskapi Teaching and Research Hospital | N/A |
| Unknown | Proximal Lower Limb Intramuscular Block : Effects on Hemiparetic Gait NCT05519592 | Henri Mondor University Hospital | N/A |
| Completed | Comparison of Perioperative Analgesic Efficacy of Femoral Nerve Block, Adductor Canal Block and 4in1 Block NCT05643040 | Diskapi Yildirim Beyazit Education and Research Hospital | N/A |
| Completed | REBOUND PAIN AFTER PERIPHERAL NERVE BLOCKS NCT05635383 | Diskapi Yildirim Beyazit Education and Research Hospital | — |
| Withdrawn | Suprainguinal Fascia Iliaca Compartment Block in Direct Anterior Approach to Total Hip Arthroplasty NCT05237479 | Montefiore Medical Center | N/A |
| Completed | 3 Ultrasound Guided Plane Blocks for Perioperative Analgesia in Patients Undergoing Radical Cystectomy NCT05278598 | Nazmy Edward Seif | N/A |
| Completed | The Efficiency of Preoperative Pericapsular Nerve Group Block Applied With Ultrasound and Success of Spinal An NCT06209372 | Suleyman Demirel University | — |
| Unknown | GANGlion Stellate Block for Treatment of Electric storRm (GANGSTER Trial) NCT05078684 | Institute for Clinical and Experimental Medicine | Phase 3 |
| Unknown | Effect Posterior QLB on Atelectasis NCT04830280 | Zonguldak Bulent Ecevit University | N/A |
| Completed | Effects of US-guided SAPB During Breast Surgery NCT04824833 | Zonguldak Bulent Ecevit University | N/A |
| Completed | Thoracolumbar Interfascial Plane Block in Vertebral Surgery NCT04548076 | Tokat Gaziosmanpasa University | — |
| Unknown | Lumbar Erector Spinae Plane Block in Knee Prosthesis NCT04544423 | Tokat Gaziosmanpasa University | — |
| Unknown | Trunks Body Blocks for Postoperative Analgesia in Abdominal Surgery NCT04143542 | Diskapi Teaching and Research Hospital | N/A |
| Completed | Sternal Block With Liposomal Bupivacaine vs. Saline Prior to Incision in Cardiac Surgery NCT04333095 | Baylor Research Institute | Phase 4 |
| Withdrawn | Volume vs Concentration: Quadratus Lumborum Blocks With High Volume/Low Concentration or Low Volume/ High Conc NCT04077398 | Bruce Ben-David | Phase 4 |
| Completed | Evaluating the Effectiveness of Bilateral ESPB in Addition to Standard Analgesia at Reducing Opioid Consumptio NCT03954249 | Montefiore Medical Center | N/A |
| Completed | Interfascial Pressure Into Ultrasound Guided Anterior Quadratus Lumborum Block Application NCT04094987 | Bursa Yuksek Ihtisas Training and Research Hospital | N/A |
| Unknown | Suprazygomatic Nerve Block vs Surgical Site Infiltration in Cleft Palate Repair NCT03799068 | Assiut University | N/A |
| Unknown | A Comparison of Local Infiltration Analgesia and Pecs Block for Analgesia in Mastectomy With Axillary Dissecti NCT03602794 | Louis Ng Xiang Long | N/A |
| Completed | Effect of Quadratus Lumborum Block in C/S NCT04733313 | Bursa Yuksek Ihtisas Training and Research Hospital | N/A |
| Completed | Analgesic Efficacy of Quadaratus Lumborum Block (QLB) for Laparoscopic Colectomy Surgery: A Prospective Case C NCT03017638 | Rabin Medical Center | — |
| Completed | Ultrasound Guided QLB III Versus Intrathecal Morphine for Analgesia After Cesarean Section NCT03428880 | University Tunis El Manar | Phase 4 |
| Unknown | Pectoralis and Serratus Nerves Block in Thoracic Surgery NCT03023982 | Soroka University Medical Center | Phase 2 |
| Completed | Single-shot Pectoral Plane(PECs) Block Versus Continuous Local Anaesthetic Infusion Analgesia or Both PECS Blo NCT03024697 | Mater Misericordiae University Hospital | Phase 4 |
| Completed | The Effect of Pregabalin on the Spinal Anesthesia NCT02690506 | Kyungpook National University Hospital | N/A |
| Completed | The Perioperative Analgesic Efficiency of Bilateral Superficial Cervical Plexus Block in Patients With Thyroid NCT02680353 | Tokat Gaziosmanpasa University | N/A |
| Completed | Effect of Interscalene Block on Ventilatory Function NCT01740453 | Pierre and Marie Curie University | Phase 4 |
| Unknown | Transversus Abdominis Bilateral Plane Block in Total Laparoscopic Hysterectomy : A Randomized Controlled Trial NCT01596660 | CES University | N/A |