| Not Yet Recruiting | Prospective Cohort Study of Pheochromocytoma/Paraganglioma NCT07516275 | Peking Union Medical College Hospital | — |
| Recruiting | GLS in Difficult CPB Weaning NCT07390903 | Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital | — |
| Not Yet Recruiting | Clinical Trial of VISOR vs fURS for Upper Urinary Tract Stone NCT07181759 | Ningbo No. 1 Hospital | N/A |
| Enrolling By Invitation | Ostene in Thoracolumbar Decompression and Fusion Evaluated With VIBE NCT06450834 | University of Maryland, Baltimore | — |
| Not Yet Recruiting | Appropriate Dosage of Vasopressor in Neonates and Infants NCT06257316 | Seoul National University Hospital | Phase 4 |
| Completed | Investigation of the Effect of Kinesiotape Application to the Surgical Area on Pain, Mobilization, Sleep, and NCT07452497 | Busra Ercan | N/A |
| Completed | The Effect of Therapeutic Touch Applied During Knee Replacement Surgery on Anxiety, Vital Signs and Comfort Le NCT06426381 | Dilek GÜRÇAYIR | N/A |
| Completed | Intraoperative Hypocapnia in PROVHILO and PROBESE NCT05550181 | NMC Specialty Hospital | — |
| Completed | Intra-abdominal Pressure and Insufflator Effects in Robotic Surgery NCT06132490 | Koç University | N/A |
| Unknown | Hyperthermic Intravesical Perfusion for Muscle-invasive Bladder Urothelial Carcinoma NCT05276167 | Henan Cancer Hospital | N/A |
| Unknown | The Intraoperative Complication Assessment and Reporting With Universal Standards - Calculator (ICARUS-C) NCT05270603 | University of Southern California | — |
| Unknown | Steep Trendelenburg With or Without Lithotomy Positioning on the Operating Table. NCT05237700 | Oslo University Hospital | — |
| Unknown | Comparison of Icg's Route of Administration During Laparoscopic Cholecystectomy NCT04908826 | Aristotle University Of Thessaloniki | N/A |
| Completed | Intravenous Bolus-infusion Versus Sliding Scale of Insulin for Intra-operative Glycemic Control NCT05136157 | Ain Shams University | EARLY_Phase 1 |
| Completed | Intra-Operative Complication Assessment and Reporting With Universal Standards: Survey NCT04994392 | University of Southern California | — |
| Recruiting | Diagnostic Efficacy of CNN in Predicting Intraoperative Complications and Postoperative Outcomes in SMILE NCT06204926 | Second Affiliated Hospital of Nanchang University | — |
| Completed | Sedation Complications in Urology During Spinal Anesthesia With Dexmedetomidine or Midazolam Regarding OSA Ris NCT04817033 | University Hospital of Split | Phase 4 |
| Completed | Comparison of Conventional Fluid Management Protocol With Targeted Pleth Variability Index (PVI) Monitoring Pr NCT04775576 | Dr. Lutfi Kirdar Kartal Training and Research Hospital | N/A |
| Completed | ERECTOR SPINE PLANE BLOCK VERSUS LOCAL INFILTRATION ANAESTHESIA FOR TRANSFORAMINAL PERCUTANEOUS ENDOSCOPIC DIS NCT05483647 | Lviv National Medical University | N/A |
| Unknown | Bilateral Bi-level Erector Spine Plane Block as a Component of General Anesthesia in Surgical Correction of Sp NCT04697498 | Lviv National Medical University | N/A |
| Completed | Coagulation and Vitamin K in Head and Neck Microvascular Free Flap Surgery NCT04517461 | Region Skane | — |
| Completed | The Use of Surgical Pleth Index in Guiding Anesthesia in Gastroenterological Surgery NCT04519203 | Tampere University Hospital | N/A |
| Unknown | The Effect of Hair Removal on Intraoperative Contamination NCT04256928 | Herlev and Gentofte Hospital | N/A |
| Completed | Intraoperative Hypotension and Perioperative Myocardial Injury NCT03974321 | Karolinska Institutet | — |
| Completed | Myocardial Infarction in the Perioperative Setting NCT03837535 | Karolinska University Hospital | — |
| Terminated | Lower Inspiratory Oxygen Fraction for Preoxygenation NCT03665259 | E-DA Hospital | N/A |
| Unknown | Patient Experiences of IONM and Outcomes NCT04443465 | King's College Hospital NHS Trust | — |
| Completed | Ultrasonographic Assessment of Lung Recruitment Maneuvers in Children Undergoing Lengthy Microsurgery Operatio NCT03557905 | Assiut University | N/A |
| Completed | Performance Assessment of the PMD-200 Under General Anesthesia NCT03467230 | University of Vermont | — |
| Completed | Liberal Versus Restrictive Fluid Protocols in Adults NCT03697330 | Assiut University | Phase 2 |
| Completed | Transthoracic Echocardiography of Inferior Vena Cava Before Spinal Anesthesia Can Predict Hypotension NCT03266250 | National and Kapodistrian University of Athens | — |
| Completed | Uterine Transposition: Feasibility Study NCT03040921 | Hospital Erasto Gaertner | N/A |
| Completed | Validation Study of ClassIntra® NCT03009929 | University Hospital, Basel, Switzerland | — |
| Completed | Effects of Preoperative Fasting on ECG and Vital Parameters NCT02773199 | Bozyaka Training and Research Hospital | — |
| Completed | Major Vascular Injuries in Elective Thoracic Surgery: A 10-Year Single-Center Experience NCT07100509 | Caner İşevi, MD | — |
| Completed | The Effects of Transversus Abdominis Plane Block in Patients Undergoing Total Abdominal Hysterectomy NCT02296619 | Tokat Gaziosmanpasa University | Phase 4 |
| Completed | Hemodynamic and Respiratory Variations During Laparoscopic Surgery With and Without Deep Neuromuscular Blockad NCT02025075 | Massachusetts General Hospital | N/A |
| Completed | Tranexamic Acid in Reverse Total Shoulder Arthroplasty NCT02043132 | Corewell Health East | Phase 2 / Phase 3 |
| Completed | Transumbilical Versus Transvaginal Specimen Retrieval at Minilaparoscopy NCT01418807 | Università degli Studi dell'Insubria | Phase 2 / Phase 3 |
| Completed | Patient Satisfaction and Complications With the New Titan® One Touch Release (OTR) Penis Prosthesis NCT01378559 | Copenhagen University Hospital at Herlev | — |
| Completed | Laparoscopic Cholecystectomy And Capacitive Coupling - Coag Versus Blend Mode Causing Thermal Injury at Port S NCT01664806 | University of Colorado, Denver | Phase 3 |
| Completed | Clinical Trial Comparing Conventional and Robot-assisted(Da Vinci®)Laparoscopic Interventions for Hysterectomy NCT00683293 | Kantonsspital Aarau | N/A |
| Completed | Evaluating the Effect of Surgical Safety Checklists on Perioperative Complications in Children NCT02419053 | The Hospital for Sick Children | — |
| Withdrawn | Prospective Double-blind Study for the Use of Aspirin During Transurethral Surgery of the Bladder or the Prost NCT00861367 | University Hospital, Basel, Switzerland | N/A |
| Terminated | Hemodilution and Outcome in Cardiac Surgery NCT00364494 | Università Vita-Salute San Raffaele | N/A |
| Completed | TachoSil Versus Standard Surgical Treatment for Air Leakage in Pulmonary Lobectomy (TC-021-IM) NCT00293514 | Nycomed | Phase 3 |
| Terminated | Hydroxyethyl Starch (130/0.4) for Intravascular Volume Therapy in Liver Transplantation NCT00308100 | Fresenius Kabi | Phase 4 |
| Completed | Study of Different Concentrations of Epidural Bupivacaine for the Effects on Vasodilatation and Sensory Block NCT00197353 | Hadassah Medical Organization | Phase 3 |