| Recruiting | Ultrasound-assisted Spinal Anesthesia in Midline Versus Paramedian Approach in Adult Orthopedic Surgery NCT07047469 | Sohag University | N/A |
| Completed | Effectiveness of Continous Adjuvant Lidocaine on General Anaesthesia on Tumor Craniotomy Surgery NCT06249113 | Indonesia University | N/A |
| Unknown | The Application and Validation of Triple Drug Response Surface Models on Density Spectral Array in Clinical An NCT05525351 | Taipei Veterans General Hospital, Taiwan | — |
| Completed | Thoracic Intervertebral Foramen Block NCT05603442 | San Salvatore Hospital of L'Aquila | Phase 3 |
| Completed | Evaluation of Oxygenation Parameters in Patients Undergoing Rhinoplasty Under General Anesthesia NCT05754515 | Duzce University | — |
| Completed | AGC Mode vs Minimal Flow in Breast Surgery NCT05404269 | Zonguldak Bulent Ecevit University | — |
| Completed | The Effect of Minimal Flow Sevoflurane Anesthesia NCT04813952 | Sisli Hamidiye Etfal Training and Research Hospital | N/A |
| Withdrawn | Effectiveness of Fascia Iliaca Nerve Block for Post Hip Arthroscopy NCT02717728 | Boston Children's Hospital | Phase 3 |
| Unknown | Minimal Flow Application in One Lung Ventilation NCT04376307 | Dr. Lutfi Kirdar Kartal Training and Research Hospital | N/A |
| Withdrawn | The Impact of a Preoperative Nerve Block in Foot and Ankle Surgery on the Consumption of Sevoflurane NCT04022057 | University of Alberta | Phase 2 / Phase 3 |
| Unknown | Postoperative Analgesia in Laparoscopic Abdominal Surgery After Exparel Via TAP or Local Infiltration NCT03927326 | University of Washington | N/A |
| Terminated | The Impact of a Preoperative Nerve Block on the Consumption of Sevoflurane in Total Shoulder Arthroplasty NCT04020601 | University of Alberta | Phase 2 / Phase 3 |
| Withdrawn | The Impact of an Epidural Anesthetic on the Consumption of Sevoflurane in Major Abdominal Surgery NCT04021264 | University of Alberta | Phase 2 / Phase 3 |
| Completed | The Impact of a Preoperative Nerve Block on the Consumption of Sevoflurane NCT03533452 | University of Alberta | Phase 2 / Phase 3 |
| Completed | Low Flow Anesthesia in Morbid Obesity NCT03913858 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | N/A |
| Unknown | IANB Success Rate With and Without Panoramic Help NCT03786211 | Hormozgan University of Medical Sciences | Phase 2 / Phase 3 |
| Completed | Anesthetic Component Research on VATS and NIVATS NCT03874403 | National Taiwan University Hospital | N/A |
| Completed | Music Distraction and Its Influence on Anesthetic Requirements During Elective Knee Surgery NCT03486106 | Virginia Commonwealth University | N/A |
| Completed | Effects of Analgesics in Cesarean Section Elective NCT03386630 | Fundación Pública Andaluza Progreso y Salud | Phase 4 |
| Completed | Simultaneous Injection of Propofol and Rocuronium in Inducing General Anesthesia NCT03270696 | Seoul National University Hospital | N/A |
| Completed | A Study on Safety and Efficacy of Propofol in Small Children Under 2 Years of Age NCT03132688 | Seoul National University Hospital | — |
| Completed | Unwanted Penile Engorgement in Pediatric Patients Under Anesthesia. NCT03438253 | Aligarh Muslim University | — |
| Unknown | Laryngeal Mask Airway With Video-stylet NCT02937337 | Seoul National University Hospital | N/A |
| Completed | The Efficacy of 20 mg Parecoxib as an Adjunct to 0.75% Ropivacaine in Supraclavicular Brachial Plexus Block fo NCT03480165 | Universiti Sains Malaysia | Phase 3 |
| Completed | Is Anesthetic Loss of Consciousness a Top Down or Bottom up Phenomenon. What Does the Neurologic Examination S NCT03140982 | Universidad del Desarrollo | N/A |
| Completed | Neuromuscular Blockade Reversal Agent Effect on Postoperative Cognitive Function and Behaviour in Children NCT02455921 | Attikon Hospital | Phase 4 |
| Completed | Comparison of Two Regional Technics In Knee Artroplasty NCT03021421 | Ordu University | EARLY_Phase 1 |
| Completed | Success Rate of Anterior Middle Superior Alveolar (AMSA) Nerve Block in Three Different Sites of Injection NCT02012257 | Shahid Beheshti University of Medical Sciences | N/A |
| Completed | Assessment Through Transcutaneous Brain Oximetry (NIRS) of Two Preoxygenation Techniques NCT04352049 | Complexo Hospitalario Universitario de A Coruña | N/A |
| Completed | Air-Q Intubating Laryngeal Airway Versus the Laryngeal Mask Airway (LMA)-Proseal NCT01328405 | University of Wisconsin, Madison | Phase 4 |