| Not Yet Recruiting | The Effect of Exercise-Induced Irisin on Brain Function and Postoperative Delirium in Older Adults NCT07424170 | Peking University People's Hospital | — |
| Not Yet Recruiting | Association of EEG Parameters with Postoperative Delirium in Patient's with Parkinson's Disease NCT06809556 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | — |
| Completed | Comparison Between the Effect of Dexmedetomidine _midazolam and ketamine_midazolam Combination NCT07074262 | Beni-Suef University | N/A |
| Recruiting | Intravenous Acetaminophen After Cardiac Surgery - Definitive Study NCT06613178 | McGill University Health Centre/Research Institute of the McGill University Health Centre | Phase 4 |
| Completed | Dexmedetomidine Dosage for Postoperative Delirium and Cognitive Function in Elderly TKA Patients NCT06614881 | Tanta University | N/A |
| Recruiting | Interest in Combining Intraoperative ElectroEncephaloGram (EEG) With Assessment of Frailty to Predict Postoper NCT06510140 | Centre Hospitalier Universitaire de Saint Etienne | — |
| Recruiting | Delirium After Cardiac Surgery in Intensive Care Units NCT06355570 | Imperial College Healthcare NHS Trust | N/A |
| Unknown | Neuroimaging Risk of Postoperative Delirium NCT06236854 | Technical University of Munich | — |
| Completed | Peritonsillar Bupivacaine Infiltration After Tonsillectomy In Children NCT06863714 | Sisli Hamidiye Etfal Training and Research Hospital | N/A |
| Completed | Superficial Parasternal Intercostal Plane Block in Cardiac Surgery Trial NCT06028126 | Unity Health Toronto | N/A |
| Unknown | Anaesthetic Depth and Short Term Delirium Post Cardiac Surgery Intervention NCT05877326 | Centre Cardiologique du Nord | N/A |
| Recruiting | Total Intravenous Versus Inhalational Anesthesia- A Geriatric Anesthesia Study NCT06036095 | Oregon Health and Science University | Phase 4 |
| Not Yet Recruiting | The Effect of Preoperative Duloxetine on the Occurance of Postoperative Delirium in Patients Undergoing Cancer NCT05949229 | Amira Hassan Ahmed Ali | Phase 1 / Phase 2 |
| Terminated | Mitigation of Postoperative Delirium in High-Risk Patients NCT05777187 | Icahn School of Medicine at Mount Sinai | N/A |
| Completed | Postoperative Delirium After Kidney Transplantation NCT05887076 | Charite University, Berlin, Germany | — |
| Unknown | Effect of Epidural Analgesia on Burst Suppression NCT05688449 | Bezmialem Vakif University | Phase 4 |
| Recruiting | A Study of Huperzine A Injection in Reducing Postoperative Delirium in Elderly Patients Undergoing Non-cardiac NCT05242419 | Second Affiliated Hospital of Wenzhou Medical University | N/A |
| Completed | A Study to Evaluate ICU Simulation Experience in the Cardiothoracic Surgical Population to Reduce Post-operati NCT05159648 | Mayo Clinic | — |
| Recruiting | Safe Brain Initiative, Operationalizing Precision Anaesthesia NCT05765162 | University of Southern Denmark | — |
| Completed | MIND After Surgery NCT03785158 | McMaster University | N/A |
| Completed | Risk Communication About Post-operative Delirium (POD) and Post-operative Cognitive Dysfunction (POCD) NCT03953313 | Charite University, Berlin, Germany | — |
| Completed | EEG Detection of Delirium NCT04797052 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Completed | Postoperative Delirium in Patients Undergoing Radical Cystectomy NCT03132168 | Ohio State University | N/A |
| Completed | Nitric Oxide Levels Were Associated With Postoperative Delirium Following Cardiac Surgery NCT06748391 | Tongji Hospital | — |
| Completed | Benzodiazepine-free Anesthetic for Reduction of Delirium (B-Free) NCT03053869 | McMaster University | Phase 1 |
| Completed | EEG Guidance of Anesthesia (ENGAGES-CANADA) NCT02692300 | University of Manitoba | N/A |
| Completed | Cerebral Oxygenation in Total Hip Arthroplasty Patients NCT02325154 | Hospital for Special Surgery, New York | N/A |
| Completed | Effect of Anesthesia on Post-operative Delirium in Elderly Patients Undergoing Hip Fracture Surgery NCT02213380 | Wenzhou Medical University | N/A |
| Unknown | Parental Anxiety and Its Relationship With Pediatric Patients' Post-operative Responses NCT01993992 | National Taiwan University Hospital | — |
| Completed | Cardiac Surgery Neuroprotection Study in Elders NCT01561378 | Albert Einstein College of Medicine | Phase 2 |
| Terminated | Role of Absolute Cerebral Oximetry to Prevent Neurocognitive Injury in Elderly Patients Undergoing Cardiac Sur NCT00991328 | Icahn School of Medicine at Mount Sinai | Phase 3 |
| Completed | Short-term Atorvastatin's Effect on Acute Kidney Injury Following Cardiac Surgery NCT00791648 | Vanderbilt University Medical Center | N/A |
| Completed | A Placebo Controlled Trial Of L-Tryptophan In Post-Operative Delirium NCT00865202 | University of Colorado, Denver | Phase 3 |
| Completed | Post-operative Haloperidol Versus Placebo for Prevention of Post-operative Delirium After Acute Hip Surgery NCT00250237 | Bronovo Hospital | Phase 3 |