| Not Yet Recruiting | Prospective Validation of an Artificial Intelligence Tool for Pre-Anesthetic Assessment NCT07290647 | Hospital Nossa Senhora da Conceicao | — |
| Not Yet Recruiting | Effect of Podcast-Based Education on Preoperative Nursing Competency and Evidence-Based Knowledge in Nursing S NCT07427381 | Gamze BULUT | N/A |
| Recruiting | Preoperative Optimization Before Total Hip or Knee Replacement Surgery NCT07394582 | Medical University Innsbruck | N/A |
| Completed | Gastric Emptying Recovery After GLP-1 RA Cessation NCT07360262 | Wonkwang University Hospital | — |
| Recruiting | Smartwatch Accuracy for Measuring Vitals and Anxiety Before Disc Surgery NCT07322523 | Halil Kalaycı | — |
| Not Yet Recruiting | TELENURSING IN THE IMMEDIATE PREOPERATIVE PERIOD OF ELECTIVE SURGERIES NCT07068152 | Rio de Janeiro State University | N/A |
| Completed | Preop Preparation Before Cardiac Catheterization NCT07276893 | Ondokuz Mayıs University | N/A |
| Not Yet Recruiting | The Risk of Surgical Cancellation in Adult Patients Assessed by Telephone Versus In-person for Scheduled Non-c NCT06693869 | Universidad de Antioquia | — |
| Not Yet Recruiting | Integrating ChatGPT in Anesthesia NCT06652854 | Ottawa Hospital Research Institute | — |
| Completed | The Feasibility and Acceptability of a Music Intervention to Reduce Preoperative Anxiety in Older Patients NCT06173674 | KU Leuven | N/A |
| Active Not Recruiting | Carbohydrate Ingestion Prior to Surgery (CIPS) NCT06057532 | University of Kansas Medical Center | N/A |
| Completed | The Effect of Simulation-Based Preoperative Nursing Care Education on Student NCT06632392 | Okan University | N/A |
| Unknown | Validity of Measuring Preoperative Fitness Using Seismofit NCT05943730 | Northumbria University | N/A |
| Unknown | ChatGPT v.s. Human in Writing a Preoperative Visit Sheet NCT05945004 | Boston Intelligent Medical Research Center, Shenzhen United Scheme Technology Co., Ltd. | — |
| Completed | Reducing the Anxiety of Children and Their Parents in the Preoperative Process NCT05279976 | Akdeniz University | N/A |
| Completed | Practice Variation in Preoperative MDT Meetings NCT05797116 | Rijnstate Hospital | — |
| Active Not Recruiting | Effects of Preoperative Multidisciplinary Team Meetings for High-risk, Adult, Noncardiac Surgical Patients NCT05703230 | Rijnstate Hospital | N/A |
| Completed | Reducing Anxiety of Children and Their Parents in the Pre-Operative Process With Therapeutic Play NCT05540041 | Isparta University of Applied Sciences | N/A |
| Completed | The Effect of Complementary Care Model on Patient Outcomes NCT05446662 | Abant Izzet Baysal University | N/A |
| Completed | Reducing Anxiety of Children and Their Parents in the Pre-elective Surgery Process NCT05538039 | Isparta University of Applied Sciences | N/A |
| Completed | Povidone-Iodine for Nasal Decolonization NCT05529173 | Rutgers, The State University of New Jersey | Phase 4 |
| Completed | Clinical Trial of "Magic Gyno" Laser Device NCT05463081 | MeLSyTech, Ltd | N/A |
| Recruiting | Vascular Events In Patients Undergoing Same-day Noncardiac Surgery (VALIANCE) Study NCT04973397 | Centre hospitalier de l'Université de Montréal (CHUM) | — |
| Completed | Immune Modulation by Enhanced vs Standard Prehabilitation Program Before Major Surgery NCT04498208 | Stanford University | N/A |
| Completed | Incidence of Stomach Fullness and Associated Factors in Elective Surgical Patients NCT06606782 | Recep Tayyip Erdogan University | — |
| Active Not Recruiting | Prehab for Surgery NCT04155346 | University of Toronto | N/A |
| Completed | A Study of Dexmedetomidine Pharmacokinetics for Preoperative Sedation NCT03800641 | Eye & ENT Hospital of Fudan University | Phase 4 |
| Completed | Impact of the Presurgical Visit of Nursing on the Well-being of the Surgical Patient. NCT03512561 | Corporacion Parc Tauli | — |
| Withdrawn | Palatability of Antioxidant Biscuits NCT04027504 | Hull University Teaching Hospitals NHS Trust | N/A |
| Completed | Perioperative Effects of Operating Room Virtual Tour NCT03172182 | Seoul National University Bundang Hospital | N/A |
| Completed | HIT Training in the Frail Elderly. NCT03138265 | University of Nottingham | N/A |
| Unknown | Preoperative Treatment of Malleolar Fractures NCT02444468 | Hospital of Southern Jutland | N/A |
| Completed | Assessing The Effectiveness of a Preoperative High Intensity Interval Training Programme In Older Colorectal C NCT02188342 | University of Nottingham | N/A |
| Completed | Preoperative Carbohydrate Loading in Patients Undergoing Day-case Cholecystectomy NCT03757208 | University of Oulu | N/A |