| Recruiting | Pancreaticoduodenectomies With Complete Arterial Coverage by Retromesenteric Omentoplasty NCT05992857 | Assistance Publique - Hôpitaux de Paris | N/A |
| Recruiting | Study of the Vascularization of the Vaginal Slice After Total Laparoscopic Hysterectomy, Using Indocyanine Gre NCT06608082 | University Hospital, Clermont-Ferrand | N/A |
| Completed | Parental Anxiety and Postoperative Pain and Complications in Children Undergoing Tonsillectomy ± Adenoidectomy NCT06579586 | Sumeyra DOLUOGLU | — |
| Recruiting | Pathogenesis of Postoperative Infections and Biomarkers for Early Diagnosis of it NCT06513598 | National Cancer Center Affiliate of Vilnius University Hospital Santaros Klinikos | — |
| Completed | Synechie Afrer Rhinosug. Proc. 2024 NCT06482866 | Mateusz Jan Stępiński | — |
| Recruiting | Feasibility Study to Evaluate the Use of Patient Reported Complications After Digital Consent NCT06351865 | Portsmouth Hospitals NHS Trust | — |
| Not Yet Recruiting | Vertical Ridge Augmentation Strategies NCT06242782 | University College, London | Phase 3 |
| Recruiting | Safety and Efficacy of XJ-Procedure in Patients With Acute Type A Aortic Dissection Surgery NCT06199401 | First Affiliated Hospital Xi'an Jiaotong University | N/A |
| Active Not Recruiting | Complications and Recurrences After Mohs Micrographic Surgery and Slow Mohs NCT06014619 | Maastricht University Medical Center | — |
| Enrolling By Invitation | Registry of MIUS for Urolithiasis (ReMIUS-U) NCT06394908 | Marmara University | — |
| Completed | Association Between Post-covid Infection Status and Perioperative Morbidity: A Ambispective Cohort Study NCT05689840 | Peking Union Medical College Hospital | — |
| Completed | Effect of Plugging the Registration Pin Tract in Robotic-assisted Knee Surgery NCT05638386 | Reinier Haga Orthopedisch Centrum | — |
| Unknown | Validating the Novel Classification for the Assessment and Grading of Unexpected Events in Pediatric Surgery: NCT05778019 | Hannover Medical School | — |
| Completed | Pneumatic Tourniquet Application in Upper Extremity Surgeries NCT06575088 | Bursa City Hospital | N/A |
| Active Not Recruiting | Risk for Reoperation After First MTP Joint Arthrodesis NCT05795127 | Hospital District of Helsinki and Uusimaa | — |
| Unknown | Key Factors of Leadless Pacemaker Implantation With Implantation Site, Complications and Prognosis NCT05761821 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | — |
| Enrolling By Invitation | Endoscopic Metabolic and Bariatric Therapies NCT05725967 | Christopher C. Thompson, MD, MSc | — |
| Unknown | Quantitative Fluorescence Angiography With ICG for Perfusion Assessment During Surgery NCT05489757 | IRCCS San Raffaele | N/A |
| Completed | Topical Antibiotics in Surgical Site NCT05363462 | Universidad Autonoma de Nuevo Leon | N/A |
| Recruiting | NRP vs DHOPE vs COR-NMP in ECD-DCD Donation NCT05327478 | Erasmus Medical Center | — |
| Unknown | Interdisciplinary Scoliosis Correction Program. NCT05159505 | Pomeranian Medical University Szczecin | — |
| Unknown | Trends and Safety in Revisional Bariatric Surgery in Italy NCT05194943 | University of Roma La Sapienza | — |
| Recruiting | Laparoscopic Approach for Emergency Colon Resection NCT05005117 | Joint Authority for Päijät-Häme Social and Health Care | N/A |
| Completed | Effect of Trans-Nasal Afferent Loop Decompression on Post-Pancreaticoduodenectomy Pancreatic Fistula NCT04989868 | The First Affiliated Hospital with Nanjing Medical University | N/A |
| Terminated | Walk With a Doc: Enhanced Recovery Walking Program for Surgical Inpatients and Wellness Program for Surgical R NCT05211531 | Richard Perugini | — |
| Completed | Comparison of Standard Cystoscopy With Carbon Dioxide Cystoscopy NCT06278753 | Tepecik Training and Research Hospital | — |
| Unknown | Clinical Outcomes of NOSES Versus Traditional Robotic-assisted Surgery for Patients With Colorectal Cancer NCT04230772 | Taiyuan Li | N/A |
| Completed | CAS Versus Traditional Freehand Technique for Mandibular Reconstruction With Free Vascularized Fibular Flap NCT04965441 | KU Leuven | — |
| Completed | Evaluation of the Introduction of a Colorectal Bundle in Left Sided Colorectal Resections NCT04550156 | University Hospital, Basel, Switzerland | N/A |
| Unknown | Low Energy HoLEP on IPSS NCT04514718 | Seoul National University Hospital | N/A |
| Completed | Wireless Assessment of Respiratory and Circulatory Distress in Vascular Surgical Patients - An Observational S NCT04628858 | Eske Kvanner Aasvang | — |
| Unknown | Perioperative Optimization With Enhanced Recovery NCT04504266 | Stanford University | N/A |
| Unknown | Obesity Surgery During 2020 Italian Pandemic NCT04480034 | University of Roma La Sapienza | — |
| Unknown | Use of Testosterone to Prevent Post-Surgical Muscle Loss - Pilot Study NCT04456530 | The Stone Research Foundation for Sports Medicine and Arthritis | Phase 2 / Phase 3 |
| Unknown | A Trial on Treatments of Hirschsprung Allied Disease NCT02212054 | Tongji Hospital | N/A |
| Completed | Outcomes of Urological Surgery During Periods of Social COVID-19 Containemnt: is it Reasonable to Limit Access NCT04352699 | Centre Hospitalier Universitaire de Nice | — |
| Unknown | Effects of Fasting Strategies on Postoperative Recovery and Long-term Prognosis in Patients With Colorectal Ca NCT04345978 | Fudan University | N/A |
| Recruiting | ACUTE-Acute Surgical Care- Risk Factors and Outcomes for Patients in Need of Acute Surgical Care NCT05195697 | Region Skane | — |
| Unknown | Development and Evaluation of the Impact of a Safety Checklist Adapted to Interventional Cardiology NCT04205825 | Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | N/A |
| Completed | Review of Efficacy of Used ultraSonic Energy Device NCT04226482 | University of Split, School of Medicine | N/A |
| Unknown | Mesh Debate Awareness Among Non-urogynecologists. A Practical Survey Study. NCT04010162 | Uludag University | — |
| Unknown | Flap Preconditioning by Intermittent Negative Pressure NCT03900065 | Ruhr University of Bochum | N/A |
| Completed | Study About no Antimicrobial Prophylaxis in Totally Laparoscopic Distal Gastrectomy NCT03802097 | Korean South West East Gastric Surgery Group | N/A |
| Completed | Incidence of 30 Day Return to Hospital Following Same Day Discharge Total Hip Arthroplasty NCT04120324 | University of British Columbia | — |
| Completed | Comparison of LigaSure to Conventional Electrocoagulation in Video-assisted Thoracoscopic Surgery Lobectomy NCT03125798 | Wielkopolskie Centrum Pulmonologii i Torakochirurgii | N/A |
| Unknown | Study on Application of Suturing Parathyroid Markers in Thyroid Cancer Surgery NCT03514251 | Bo Wang,MD | N/A |
| Terminated | The Effect of a 30-day Automated Text Messaging Intervention on Hospital Based Acute Care Encounters Following NCT03424954 | St. Louis University | N/A |
| Unknown | Outcomes of Surgical Correction of Penile Curvature in Adult NCT03313986 | Assiut University | — |
| Unknown | Remote Ischemic Conditioning in Abdominal Surgery NCT03234543 | Rutgers, The State University of New Jersey | N/A |
| Unknown | Prevention of Chyle-leak After Major Pancreatic Surgery NCT03167814 | Helsinki University Central Hospital | N/A |
| Unknown | Prone Versus Prone-Flexed Position For Percutaneous Nephrolithotomy (PCNL) NCT03147950 | Mansoura University | N/A |
| Unknown | Seroma Prevention After Body Contouring Procedures NCT03190876 | University of Regensburg | N/A |
| Completed | Frailty, Anesthesia and Complications. NCT04264351 | Fundacio Puigvert | — |
| Unknown | A Novel Classification for the Assessment and Grading of Unexpected Events in Pediatric Surgery: The Clavien-M NCT05277441 | Hannover Medical School | — |
| Unknown | Severity Grading of Unexpected Events in Pediatric Surgery NCT04827641 | Hannover Medical School | — |
| Unknown | The Preventive Infection Role of One Week Antibiotics Before Minimally Invasive Upper Tract Lithotomy NCT02789579 | Xinhua Hospital, Shanghai Jiao Tong University School of Medicine | EARLY_Phase 1 |
| Completed | CALYPSO Pilot Study: Machine Learning Based Predictions of Surgical Complications NCT02828475 | Duke University | — |
| Withdrawn | TCOT Effectiveness in Preventing Wound Infections in Perineal Resections NCT02374294 | Neogenix, LLC dba Ogenix | Phase 2 |
| Unknown | Evaluation of Robot-assisted Intracorporeal Urinary Reconstruction NCT03280459 | Kantonsspital Winterthur KSW | — |
| Terminated | Measurement of Feeding Experience for Infants With Non-Oral Feedings NCT02030951 | Medical College of Wisconsin | — |
| Completed | Comparison of Infusion Methods for Hysteroscopic Procedures NCT02012010 | Far Eastern Memorial Hospital | N/A |
| Withdrawn | Incisional Negative Pressure Dressing on Clean Closed Groin Incisions NCT02006511 | University of Maryland, Baltimore | N/A |
| Completed | Hand Hygiene and Hospital Acquired Infections NCT02252562 | Dartmouth-Hitchcock Medical Center | N/A |
| Unknown | Pentafecta Outcomes After Robot-assisted Laparoscopic Radical Prostatectomy NCT03706508 | Hospital de Clinicas de Porto Alegre | — |
| Completed | Efficacy and Safety of Reduced Pelvic Floor Mesh Implants NCT01739374 | Western Galilee Hospital-Nahariya | Phase 2 / Phase 3 |
| Completed | Cardiovascular Risk Factors of Medical and Septic Complications After Laparoscopic Bariatric Surgery NCT04683666 | Hospital General Universitario Elche | — |
| Completed | Intraoperative Findings and Complications in Bariatric Surgery NCT03556306 | Hospital General Tlahuac | — |
| Completed | Comparison of the Clavien-Dindo and Comprehensive Complication Index NCT04849702 | Jessa Hospital | — |
| Completed | Factors Responsible for the Effectiveness of the Lund De-airing Technique NCT01757704 | Lund University | N/A |
| Completed | Testing the Efficacy and Safety of the WEI Nasal Jet NCT02005406 | Zeyong Yang | — |
| Completed | Prospective Evaluation of a RIsk Score for Postoperative Pulmonary COmPlications in Europe NCT01346709 | European Society of Anaesthesiology | — |
| Completed | Staple-line Reinforcement During Laparoscopic Sleeve Gastrectomy Using Three Different Techniques: a Randomize NCT01459471 | University of Rome Tor Vergata | N/A |
| Unknown | Myocardial Injury in Treatment of AAA NCT04292652 | Göteborg University | — |
| Completed | Use of Spinal Sealant System During Spinal Surgery NCT00458354 | M.D. Anderson Cancer Center | Phase 3 |