| Recruiting | International Focus Group Discussion on Neuromuscular Monitoring. NCT06945341 | Universitair Ziekenhuis Brussel | — |
| Withdrawn | Telemedicine Notifications With Machine Learning for Postoperative Care NCT03974828 | Washington University School of Medicine | N/A |
| Recruiting | The Effect of Discontinuation of Renin Angiotensin System Inhibitors on the Perioperative Myocardial Injury in NCT06862115 | Kasr El Aini Hospital | Phase 3 |
| Recruiting | Diagnosis and Allergen Identification of Perioperative Anaphylaxis NCT06793163 | Peking University First Hospital | — |
| Completed | EuroSCORE-II and POSPOM in Cardiac Surgery NCT06770738 | Istanbul University - Cerrahpasa | — |
| Recruiting | Impact of a Global Warming Strategy of the Patient on the Prevalence of Hypothermia in the Recovering Room NCT06551558 | Poitiers University Hospital | N/A |
| Active Not Recruiting | Establishment of Emergency Surgery Triage and Checklist Management System NCT06501157 | Peking Union Medical College Hospital | — |
| Recruiting | CEReBral AutorEgulation in Non-cardiac SuRgery and Relationship to Postoperative DeliriUm State NCT06133842 | Beth Israel Deaconess Medical Center | — |
| Completed | Effect of Aromatherapy on Postoperative Pain: Randomized Clinical Trial NCT06294769 | University of Sao Paulo | N/A |
| Recruiting | Current Practice of Ventilation Strategies in Children Undergoing General Anesthesia NCT06166706 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | — |
| Recruiting | Kids With Iron Deficiency and Scoliosis NCT06042699 | Columbia University | N/A |
| Withdrawn | Oral Peri-operative TIming of Metformin (or) Salsalate to Improve Non-cardiac Surgery Glucose Control NCT03816488 | McMaster University | Phase 1 |
| Completed | Use of Heart-lung Interaction to Predict Haemodynamic Tolerance to the Open Lung Approach With Individualised NCT06123039 | Hospital Universitario La Fe | — |
| Recruiting | Prehabilitation in Pancreatic Surgery NCT06069297 | IRCCS San Raffaele | N/A |
| Recruiting | Effect of Cooling Therapy for Post-Operative Pain in Open Carpal Tunnel Release NCT05783245 | University of Chicago | N/A |
| Not Yet Recruiting | Registry of Anesthesia and Perioperative Medicine NCT05869578 | Clinica Alemana de Santiago | — |
| Recruiting | SHAPE Test for Preoperative Risk Stratification NCT05743673 | Yale University | — |
| Completed | Peroperative Fluid Management in Major Gynecological Cancer Surgeries NCT06101498 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | N/A |
| Recruiting | Prospective Cohort of Perioperative Results NCT05755230 | COPAL - My Journey | — |
| Completed | Preoperative Gabapentin vs Placebo for Vaginal Prolapse Surgery NCT05658887 | Joseph Kowalski | Phase 4 |
| Completed | Feasibility of a Virtual Smoking Cessation Program NCT05594199 | University Health Network, Toronto | N/A |
| Recruiting | The Fast-track Centre for Hip and Knee Replacement Database NCT05613439 | Rigshospitalet, Denmark | — |
| Completed | Comparison Arterial Blood Pressure and Cardiac Index-based Hemodynamic Management on Postoperative Myocardial NCT05391087 | Istanbul Saglik Bilimleri University | N/A |
| Completed | Ability of Hypotension Prediction Index to Predict Hypotension Events in Thoracic Surgery NCT05117151 | National Taiwan University Hospital | — |
| Unknown | Observational of Emergence Time Between Patients Receive General Anesthesia With BIS or Spectrogram EEG Monito NCT05208502 | National Taiwan University Hospital | — |
| Completed | An African, Multi-centre Evaluation of Patient Care and Clinical Outcomes for Paediatric Patients Undergoing S NCT05061407 | University of KwaZulu | — |
| Terminated | Arterial Cannulation With Ultrasound NCT05249036 | Queen Mary University of London | N/A |
| Recruiting | Redesigning the Surgical Pathway (PROMoTE) NCT05114876 | Sunnybrook Health Sciences Centre | N/A |
| Unknown | Protocol for CAMUS Nurse Delphi Study NCT05272592 | Melbourne Health | — |
| Unknown | a Phase III Trial of Safety and Efficacy of Premedication With Dexmedetomidine and Midazolam in Pediatric Pati NCT04356638 | King Faisal Specialist Hospital & Research Center | Phase 3 |
| Terminated | Feasibility of a New Ambulatory Multi-vital Signs Monitor NCT05562011 | Wake Forest University Health Sciences | N/A |
| Completed | Central Venous to Arterial CO2 Difference and Low Cardiac Output Syndrome Related Outcomes in Children After C NCT06292910 | Prince of Songkla University | — |
| Completed | Preoperative Laboratory Parameters and Scorings Systems on Postoperative Pulmonary Complications in Thoracic S NCT04995939 | Atatürk Chest Diseases and Chest Surgery Training and Research Hospital | — |
| Completed | Correlation of Preoperative Global Olfactory Function With Frailty, Perioperative Neurocognitive Disorders and NCT04761458 | Cliniques universitaires Saint-Luc- Université Catholique de Louvain | N/A |
| 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 | LUS and Consequences of High FiO2 in Children NCT04581226 | Assiut University | — |
| Completed | Living Alone is Predictive of Non-home Discharge Following Elective Total Hip Arthroplasty: a Matched-pairs Co NCT06462885 | University of Virginia | — |
| Completed | Enhanced Recovery After Surgery for SPK Transplantation Recipients NCT06095544 | Second Affiliated Hospital of Guangzhou Medical University | N/A |
| Completed | Continuous vs Intermittent Monitoring of Respiratory and Heart Rate in Relation to Length of Stay NCT06973044 | Karolinska Institutet | — |
| Completed | Correlation of Preoperative Olfactory Identification Function With Frailty and Postoperative Complications and NCT04700891 | Cliniques universitaires Saint-Luc- Université Catholique de Louvain | N/A |
| Completed | Impact of Age and BMI on Liver Transplant Outcomes NCT04853641 | University of Pittsburgh | — |
| Unknown | Estimated Oxygen Extraction Versus Dynamic Parameters for Perioperative Hemodynamic Optimization NCT04053595 | Università Politecnica delle Marche | N/A |
| Unknown | Perioperative Database of Chinese Elderly Patients NCT04911530 | Chinese PLA General Hospital | — |
| Completed | The Effect of Trendelenburg Position on CCA Blood Flow NCT04233177 | Seoul National University Hospital | — |
| Unknown | PErioperAtive CHildhood ObesitY NCT03994419 | University Hospital Southampton NHS Foundation Trust | — |
| Completed | Telemedicine Control Tower for the Operating Room: Navigating Information, Care and Safety NCT03923699 | Washington University School of Medicine | Phase 3 |
| Completed | Can Continuous Non-invasive Monitoring Improve Stability of Intraoperative Blood Pressure - A Feasibility Stud NCT04051073 | University Hospital Birmingham NHS Foundation Trust | Phase 3 |
| Unknown | Validity of Aortic Pulse Wave Velocity in Predicting the 6- Minute Walking Test Before Major Non-cardiac Surge NCT03866915 | Grupo Español de Rehabilitación Multimodal | — |
| Completed | Effect of Dexmedetomidine on Nol-Index Guided Remifentanil Analgesia NCT03912740 | Erasme University Hospital | N/A |
| Completed | Perioperative Pregabalin in Ureteroscopy: a Pilot NCT03927781 | University of Missouri-Columbia | Phase 3 |
| Completed | Short Messaging Service Program to Help Quit Smoking During Perioperative Period. NCT03839043 | Mayo Clinic | N/A |
| Unknown | Seasonal Trends of Respiratory Morbidity in Diabetic Patients NCT03967639 | Szeged University | — |
| Completed | High-Dose Steroid for Knee Arthroplasty Patients Expected to Have Postoperative Pain NCT03763734 | Copenhagen University Hospital, Hvidovre | Phase 4 |
| Completed | High-Dose Steroid for Hip Arthroplasty Patients Expected to Have Postoperative Pain NCT03763760 | Copenhagen University Hospital, Hvidovre | Phase 4 |
| Completed | High-Dose Steroid for Knee Arthroplasty NCT03758170 | Copenhagen University Hospital, Hvidovre | Phase 4 |
| Withdrawn | Prospective Study to Evaluate the Clinical Utility of Perioperative Pharmacogenomic Testing NCT03531268 | Brigham and Women's Hospital | N/A |
| Completed | Genomic Opioid Optimization of Dosing and Selections (GOODS) Study NCT03579121 | Mayo Clinic | N/A |
| Completed | Multimedia Aid Gynecologic Counseling and Consent NCT03899441 | UNC Lineberger Comprehensive Cancer Center | N/A |
| Completed | Modeling of the Hemoglobin Drop in the Uncomplicated Postoperative Course NCT03740438 | Hospital Clinic of Barcelona | — |
| Completed | Prevention of Perioperative Hypothermia in Patients Submitted to Transurethral Resection NCT03630887 | Dr. Negrin University Hospital | N/A |
| Completed | Detection of Hypovolemia in the Elderly Patient Undergoing Surgery NCT06229938 | Amsterdam UMC, location VUmc | — |
| Completed | Optimized Perioperative Antibiotic Prophylaxis in Radical Cystectomy NCT03305627 | Insel Gruppe AG, University Hospital Bern | N/A |
| Completed | Adherence to LPV in SICU and Associated Clinical Outcomes NCT03698799 | Mahidol University | — |
| Completed | The Perioperative Management of Anti-thrombotic Drug Registry NCT03695159 | University of Texas Southwestern Medical Center | — |
| Unknown | Troponin Elevation After Major Noncardiac Surgery 2 NCT03408522 | UMC Utrecht | — |
| Completed | Perioperative Anaphylaxis in Patients Attending University Hospitals (Egypt - UK). NCT03393091 | Assiut University | — |
| Completed | Multimodal Sleep Pathway for Shoulder Arthroplasty NCT03269760 | University of California, San Francisco | Phase 1 |
| Completed | Audio Recording During Laparoscopic Surgery NCT03425175 | Region Örebro County | N/A |
| Completed | SOMNOmedics Clinical Validation Trial NCT03307889 | Uppsala University | — |
| Terminated | Perioperative Smoking Cessation Interventions NCT03222908 | Duke University | N/A |
| Completed | Influence of Perioperative Fluid Therapy on Hemoglobin and Methemoglobin Levels NCT03220620 | University of Rostock | — |
| Completed | Evaluation of BIomarkers for POstoperative Complications in Non-cardiac Surgery Patients NCT03765372 | Technical University of Munich | — |
| Completed | Ultrasound-Guided Vascular Puncture and Catheterization NCT03656978 | Peking Union Medical College Hospital | N/A |
| Completed | Surgical APGAR Score and Modified Surgical APGAR Score NCT04010474 | Namigar Turgut | — |
| Unknown | Perioperative Portal Vein Pulsatility as a Postoperative Prognostic Indicator in Pulmonary Endarterectomy NCT03197792 | Centre Chirurgical Marie Lannelongue | N/A |
| Active Not Recruiting | Myocardial Injury in Noncardiac Surgery in Sweden NCT03436238 | Linkoeping University | — |
| Unknown | The Impact of Prehabilitation Bundle on Perioperative Outcome for Frail Elderly Patients Undergoing Major Abdo NCT02921932 | Singapore General Hospital | N/A |
| Unknown | Investigate the Renal Movement by Single Lung Ventilation in Patients Administered RIRS for Kidney Stones. NCT03060837 | Kahramanmaras Sutcu Imam University | N/A |
| Unknown | D1 Versus D2 Lymphadenectomy in High Risk Elderly With Gastric Adenocarcinoma NCT03051152 | Italian Research Group for Gastric Cancer | N/A |
| Unknown | Haemostasis Management of Abdominal Aortic Procedures NCT03426839 | University of Pecs | N/A |
| Completed | Perioperative Heart Rate Variability Analysis in Realtime NCT02761031 | Medical University of Vienna | — |
| Completed | Perioperative Hypothermia Hypothermia in Ambulatory Surgery NCT03163563 | Aleris Helse | — |
| Unknown | Pre-operative Very Low-calorie Protein-based Versus Hypocaloric Enteral Nutrition NCT02418975 | San Giuseppe Moscati Hospital | N/A |
| Withdrawn | Evaluation of the S3 Guideline on Avoidance of Perioperative Hypothermia - Already a Standard or Wishful Think NCT03351036 | University Hospital Schleswig-Holstein | — |
| Completed | Impact of Functional Status on 30-day Resource Utilization and Organ System Complications Following Bariatric NCT05917691 | University of Virginia | — |
| Completed | Effect of Regional Versus General Anesthesia on Thirty-day Outcomes Following Carotid Endarterectomy: a Matche NCT05706688 | University of Virginia | — |
| Completed | Thromboprophylaxis in Pregnant Women in Hospital: A Prospective Clinical Trial NCT02600260 | University of Sao Paulo General Hospital | N/A |
| Unknown | Perioperative Risk Calculator NCT04092933 | Technical University of Munich | — |
| Completed | Non-invasive Early Goal Directed Therapy in Colorectal Surgery: a Feasibility Study NCT02559141 | University Hospital Schleswig-Holstein | N/A |
| Completed | Long-versus Short-Axis Ultrasound Guidance for Subclavian Vein Cannulation NCT01927185 | Azienda Ospedaliero-Universitaria di Parma | N/A |
| Completed | Machine Learning Modeling of Intraoperative Hemodynamic Predictors of Postoperative Outcomes NCT04014010 | Janny Xue Chen Ke | — |
| Completed | Standard Versus Intensity-Modulated Pelvic Radiation Therapy in Treating Patients With Endometrial or Cervical NCT01672892 | Radiation Therapy Oncology Group | Phase 3 |
| Unknown | A Study of Residual Curarization Incidence in China NCT01690338 | Peking University First Hospital | Phase 4 |
| Unknown | Goal-directed Therapy in High-risk Surgery NCT01681238 | Guangzhou First People's Hospital | N/A |
| Completed | Robotic Assisted Laparoscopic Prostatectomy With or Without Pelvic Drain Placement in Reducing Adverse Events NCT01613651 | City of Hope Medical Center | Phase 3 |
| Completed | Bioimpedance Spectroscopy in Detecting Lower-Extremity Lymphedema in Patients With Stage I, Stage II, Stage II NCT01406769 | Gynecologic Oncology Group | Phase 2 |
| Completed | Negative Pressure Therapy in Preventing Infection After Surgery in Patients With Colon, Rectal, Pancreatic, or NCT01656044 | Wake Forest University Health Sciences | N/A |
| Completed | More Options Available With a Quadripolar LV Lead pRovidE In-clinic Solutions to CRT Challenges NCT01510652 | Abbott Medical Devices | N/A |
| Completed | Body Composition and Serum Biochemistry After Intravenous Infusion or Oral Intake of Saline in Healthy Volunte NCT01539798 | Federal University of Mato Grosso | N/A |
| Completed | Clinical Investigation of Wireless Transmission of Invasive Blood Pressure Signal NCT01373996 | University Medical Centre Ljubljana | — |
| Completed | Effect Of Delta Sodium on the Postoperative Outcomes in Liver Transplant Recipients NCT04112004 | Institute of Liver and Biliary Sciences, India | — |
| Terminated | Fibrin Sealant in Preventing Fluid Build Up During Surgery in Patients Undergoing Breast Reconstruction NCT01649505 | OHSU Knight Cancer Institute | N/A |
| Completed | The Effects of Dexmedetomidine on Peroperative Shivering Incidence Under Spinal Anesthesia NCT01921361 | TC Erciyes University | Phase 4 |
| Withdrawn | Remote Ischemic Preconditioning Before Abdominal Surgery NCT01340742 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Unknown | J-Pouch Colorectal Anastomosis or Straight Colorectal Anastomosis in Treating Patients With Rectal Cancer Who NCT01110798 | Azienda Ospedaliera di Padova | N/A |
| Completed | Transoral Robotic Surgery or Standard Surgery in Treating Patients With Benign or Malignant Tumors of the Lary NCT00918762 | Barbara Ann Karmanos Cancer Institute | Phase 1 |
| Unknown | Combination Chemotherapy With or Without Bevacizumab in Treating Patients With Nonmetastatic Breast Cancer NCT01093235 | Cambridge University Hospitals NHS Foundation Trust | Phase 3 |
| Completed | Wound Dressings For Split-Thickness Skin Graft Donor Sites in Patients Undergoing Surgery NCT01680367 | Ohio State University Comprehensive Cancer Center | N/A |
| Completed | Pain After Tumescent Mastectomy or Standard Mastectomy in Women With Stage I, Stage II, or Stage III Breast Ca NCT00859157 | University of California, Davis | — |
| Completed | Warm Ischemia or Cold Ischemia During Surgery in Treating Patients With Stage I Kidney Cancer NCT00743236 | Wake Forest University Health Sciences | N/A |
| Unknown | Chronic Pain in Women Who Have Undergone Surgery for Stage I, Stage II, or Stage III Breast Cancer NCT00971919 | Aberdeen Royal Infirmary | — |
| Completed | The Impact of Lymphedema on Breast Cancer Survivors NCT00769821 | University of California, San Francisco | — |
| Completed | Lung Rehabilitation in Treating Patients With Chronic Obstructive Pulmonary Disease Who Are Undergoing Surgery NCT00363428 | Mayo Clinic | N/A |
| Completed | Epidural Analgesia or Patient-Controlled Analgesia in Treating Patients Who Have Undergone Surgery for Gynecol NCT00295945 | University of California, San Francisco | — |
| Completed | Fentanyl With or Without Bupivacaine in Reducing Pain in Patients Undergoing Video-Assisted Chest Surgery NCT00538499 | Roswell Park Cancer Institute | N/A |
| Unknown | Hyperbaric Oxygen Therapy Compared With Standard Therapy in Treating Chronic Arm Lymphedema in Patients Who Ha NCT00077090 | Institute of Cancer Research, United Kingdom | Phase 2 |
| Completed | Fibrin Sealant in Decreasing Lymphedema Following Surgery to Remove Lymph Nodes in Patients With Cancer of the NCT00028951 | Gynecologic Oncology Group | Phase 3 |
| Completed | Anal Sphincter Prosthesis in Treating Patients Who Are Undergoing Surgery for Anal or Rectal Cancer NCT00059891 | Memorial Sloan Kettering Cancer Center | N/A |
| Unknown | J-Pouch Coloanal Anastomosis Compared With Side-to-End Coloanal Anastomosis After Radiation Therapy and Surger NCT00070005 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | Phase 3 |
| Completed | Observation of Young Patients Who Are Undergoing Surgery for Craniopharyngioma NCT00258453 | German Society for Pediatric Oncology and Hematology GPOH gGmbH | N/A |
| Terminated | Vapreotide in Treating Patients Undergoing Elective Pancreatic Resection NCT00014651 | Mayo Clinic | Phase 3 |
| Completed | Radiation Therapy in Preventing Metastatic Cancer in Patients Who Have Diagnostic Procedures to Identify Malig NCT00006231 | University of Glasgow | Phase 3 |
| Completed | Pelvic Drains After Radical Hysterectomy in Treating Patients With Uterine, Cervical, or Vaginal Cancer NCT00003267 | European Organisation for Research and Treatment of Cancer - EORTC | Phase 3 |
| Unknown | Axillary Drainage Following Lymph Node Dissection in Women With Stage I or Stage II Breast Cancer NCT00005600 | Royal Marsden NHS Foundation Trust | N/A |
| Completed | Correlation of Menstrual Cycle Phase at Time of Primary Surgery With 5-Year Disease-Free Survival in Women Wit NCT00002762 | Alliance for Clinical Trials in Oncology | — |