| Not Yet Recruiting | Vascular Events in Noncardiac Surgery Patients Cohort Evaluation Study 2 NCT07300579 | Hamilton Health Sciences Corporation | — |
| Not Yet Recruiting | Evaluation of Cranial Flap Fixation With Montage Flowable Settable Bone Paste NCT07103330 | Abyrx, Inc. | N/A |
| Recruiting | Continuous Vital Sign Monitoring Versus Routine Spot-checks in Patients After Non-cardiac Surgery NCT07385092 | Universitätsklinikum Hamburg-Eppendorf | N/A |
| Recruiting | Enhanced Vitals Monitoring After Major Surgery Trial NCT06584825 | University of British Columbia | N/A |
| Recruiting | Frailty and Muscle Strength Tests in Older Adults Undergoing Major Surgery NCT06988176 | University of North Carolina, Chapel Hill | — |
| Not Yet Recruiting | Reducing Deaths After Surgery in Low- and Middle-income Countries: A Pilot Cluster Randomised Trial NCT06932653 | University of Birmingham | N/A |
| Completed | Comparison of Postoperative Pulmonary Complications Between Smokers and Nonsmokers NCT06982911 | mehmet özkılıç | — |
| Recruiting | Prevention of Edema After Coronary Artery Bypass Graft by Customized Pressure-guided Elastic Bandages NCT06603961 | Siriraj Hospital | N/A |
| Recruiting | Improving Surgical Patient Outcomes Through Implementation of a SemiStructured Intraoperative Anesthesia Hando NCT06533111 | The University of Texas Health Science Center, Houston | N/A |
| Enrolling By Invitation | Comparing Methylprednisolone And Hyaluronic Acid To Reduce Wisdom Tooth Surgery Complications NCT07317596 | Sana'a University | Phase 3 |
| Terminated | The Impact of Prehabilitation NCT06181253 | Boston Medical Center | N/A |
| Completed | A Comparison of Recovery After Impacted Wisdom Tooth Removal NCT07304882 | University of Science and Technology, Yemen | Phase 3 |
| Completed | Erector Spinae Plane Block in Uniportal VATS NCT04892901 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Recruiting | Web-based International Register of Emergency Surgery and Trauma NCT03643718 | A.O. Ospedale Papa Giovanni XXIII | — |
| Withdrawn | Inpatient ICOUGH RECOVERY App Version 2.0 NCT03599037 | Boston Medical Center | N/A |
| Completed | Patient Positioning for Hand, Wrist, and Elbow Surgery: Stretcher Versus Operating Room Table NCT07063784 | Brett Lewellyn | — |
| Completed | Intra-operative Ventilatory Management & Post-operative Pulmonary Complications NCT03551899 | American University of Beirut Medical Center | — |
| Completed | Prevalence and Predictors of Prolonged Post-surgical Opioid Use: a Prospective Observational Cohort Study NCT02571400 | University of Notre Dame Australia | — |
| Completed | 'The Impact of Rhinovirus Infections in Paediatric Cardiac Surgery' NCT02438293 | Leiden University | — |
| Suspended | Role and Mechanisms of Obesity Surgery NCT01998815 | Göteborg University | — |
| Completed | Impact of Graft Steatosis on Post-operative Complications After Liver Transplantation NCT02659553 | Sohag University | — |
| Completed | The Cost in Oxygen of Surgical Trauma NCT02238561 | University Hospital Plymouth NHS Trust | — |
| Unknown | Postoperative Inflammation and Recovery After Tracheostomy NCT02096640 | Sormland County Council, Sweden | N/A |
| Completed | Risk Factors of Complications Regarding Patients Undergoing Brain Tumour Neuro-surgery (Cranioscore). NCT01801813 | Nantes University Hospital | — |
| Completed | The Use of the Prevena™ Incision Management System on Post-Surgical Cesarean Section Incisions NCT01450631 | KCI USA, Inc | N/A |
| Completed | Single Incision Pelvic Floor Mesh Implants NCT01909700 | Western Galilee Hospital-Nahariya | Phase 2 / Phase 3 |
| Completed | Evaluation of Surgical Complications NCT01168193 | Hadassah Medical Organization | N/A |
| Unknown | AMAZING PRAGUE (PRAGUE-12) NCT00665587 | Charles University, Czech Republic | — |
| Unknown | On-Pump vs. Off-Pump CABG in High-Risk Patients (EuroSCORE 6+) NCT00606372 | Charles University, Czech Republic | — |
| Completed | Liver Transplantation Results in Hepatocellular Carcinoma Patients With Immunosuppression Without Steroids NCT01137084 | Shanghai Jiao Tong University School of Medicine | N/A |