| Not Yet Recruiting | Value of the Time-Weighted Average (TWA) of Mean Arterial Pressure (MAP) and Cerebral Oximetry (rSO₂) as Predi NCT07510711 | Hospital Universitari Vall d'Hebron Research Institute | — |
| Not Yet Recruiting | Extended Emergence Strategy on Post-Anesthesia Care Unit Events After Outpatient Orthopedic Surgery NCT07533370 | Stanford University | N/A |
| Not Yet Recruiting | Intranasal Insulin to Prevent Intensive Care Unit Delirium NCT07532577 | Radboud University Medical Center | Phase 2 / Phase 3 |
| Recruiting | The Relationship Between Opioid-Free Anesthesia and Postoperative Agitation-Delirium and Quality of Recovery i NCT07191652 | Istanbul University - Cerrahpasa | — |
| Recruiting | Cerebral Oxygen Consumption Response to Increased Oxygen Supply and Postoperative Delirium in Older Surgical P NCT07463586 | Seoul National University Bundang Hospital | — |
| Recruiting | Effect of Dexmedetomidine Dosage on Postoperative Delirium in Geriatric Orthopedic Surgery NCT07443085 | Benha University | Phase 2 |
| Completed | Pediatric Recovery Delirium in Pediatric Patients Undergoing Surgery NCT07413289 | Enes Celik | — |
| Not Yet Recruiting | BIS in ICU Interventional Study NCT07350122 | Medical University of Graz | N/A |
| Recruiting | The Association Between Postoperative Inflammatory and Neurological Serum Biomarker Concentrations and Occurre NCT07411612 | Medical University of Vienna | — |
| Recruiting | Correlation Between Perioperative EEG Variability and Postoperative Delirium Incidence. NCT07323940 | Xin Chen | — |
| Recruiting | Audio-Recorded Messages Delivered Via iPad to Prevent Delirium in Hip Fracture Patients NCT07396532 | Sengkang General Hospital | N/A |
| Not Yet Recruiting | Responsive Nature-Driven Imagery to Reduce Delirium After Cardiac Surgery NCT07051096 | University of British Columbia | N/A |
| Not Yet Recruiting | The Impact of Smoking on the Prognosis of Elderly Surgical Patients NCT06392308 | Affiliated Hospital of Nantong University | — |
| Recruiting | The SCOPE Trial: Sleep, Cognition, and Pain Bundle vs. ERAS-cardiac for Postoperative Delirium NCT06721819 | Beth Israel Deaconess Medical Center | Phase 3 |
| Not Yet Recruiting | Effect of Opioid-free Anaesthesia on Postoperative Delirium in Elderly Patients Undergoing Gastrointestinal Su NCT06958393 | Qianfoshan Hospital | Phase 4 |
| Not Yet Recruiting | Low- vs. Normal-Flow Anesthesia and Delirium After Hip Fracture in the Elderly NCT06973967 | Gaziosmanpasa Research and Education Hospital | — |
| Not Yet Recruiting | Lemborexant to Prevent Post-operative Delirium in Cardiac Surgery Patients NCT06648681 | University of British Columbia | Phase 2 |
| Recruiting | Preoperative Sleep Intervention on Postoperative Delirium in Infants and Toddlers Undergoing Congenital Heart NCT06861998 | Yan Fuxia | N/A |
| Completed | rSVO₂ and Postoperative Delirium Prediction NCT06961994 | Wonkwang University Hospital | — |
| Recruiting | Preoperative Sleep Intervention on Postoperative Delirium in School-aged Children Undergoing Congenital Heart NCT06879431 | Yan Fuxia | N/A |
| Recruiting | Transcranial Doppler as a Predictor of Postoperative Cognitive Dysfunction Following Cardiopulmonary Bypass NCT07000461 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | — |
| Not Yet Recruiting | How Bleeding Affects Delirium in Older Patients With Hip Fractures: The IMPROVE-HIP Study NCT06938789 | University of Aarhus | N/A |
| Recruiting | Electroencephalogram Predicts Post-operative Delirium NCT06894238 | Beijing Sanbo Brain Hospital | — |
| Recruiting | Effect of Low-dose EsketaMine on dElirium in High-risk Elderly Patients uNdergoing elecTive Surgery (ELEMENT) NCT06817239 | Nanfang Hospital, Southern Medical University | N/A |
| Not Yet Recruiting | Effect of Preoperative Sleep Intervention on Postoperative Delirium in Adult Patients Undergoing Cardiac Surge NCT06777342 | Yan Fuxia | N/A |
| Not Yet Recruiting | The Effect of Aromatherapy on Delirium in Critically Elderly Patients Undergoing Fracture Surgery NCT06772129 | Senay Gokdemir | N/A |
| Recruiting | Effectiveness of the Delirium Zero Protocol to Prevent the Onset of Delirium in Patients Undergoing Hip Fractu NCT07202208 | Cardenal Herrera University | N/A |
| Not Yet Recruiting | Effect of Remimazolam Versus Dexmedetomidine on the Incidence of Delirium After Elective Cardiac Surgery with NCT06756178 | Assiut University | EARLY_Phase 1 |
| Active Not Recruiting | Nebulized Dexmedetomidine for Post-Anesthesia Delirium in Preschool Children NCT06761092 | Udayana University | Phase 4 |
| Completed | The Role of Precision Anesthesia Strategy on Perioperative Organ Protection in Hip Surgery [PASPOP] NCT06696404 | Shanghai Jiao Tong University Affiliated Sixth People's Hospital | N/A |
| Recruiting | Liraglutide in Preventing Delirium in Diabetic Elderly After Cardiac Surgery NCT06361238 | The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School | Phase 3 |
| Not Yet Recruiting | Preoperative Sleep Disorders and Postoperative Delirium in Children Undergoing Congenital Heart Surgery NCT06686550 | Yan Fuxia | — |
| Recruiting | Effect of Transcranial Direct Current Stimulation on Postoperative Delirium in Elderly Patients NCT06678529 | Huazhong University of Science and Technology | N/A |
| Recruiting | Impact of Sleep Quality on Outcomes After Cardiac Surgery NCT06527105 | Amrita Institute of Medical Sciences & Research Center | N/A |
| Completed | Metabolomics Analysis of Acute Kidney Injury and Delirium After Cardiac Surgery NCT06508593 | Xijing Hospital | — |
| Recruiting | Depth of Anesthesia on Postoperative Delirium and Cognitive After Surgery NCT06268080 | Auckland City Hospital | N/A |
| Completed | Stanford ICU Delirium PIPRA Study NCT06519890 | Stanford University | — |
| Not Yet Recruiting | The Effect of Listening to Holy Quran Recital on the Incidence of Delirium Post-CABG NCT06346990 | Applied Science Private University | N/A |
| Recruiting | Effect of Dexmedetomidine Supplementation to General Anaesthesia in Paediatric Transcatheter Closure of Atrial NCT06631534 | Alexandria University | Phase 4 |
| Recruiting | Effect of Percutaneous Acupoint Electrical Stimulation on Delirium NCT06360549 | Qin Zhang | N/A |
| Recruiting | Transcutaneous Acupoint Electrical Stimulation and Postoperative Delirium Delirium NCT06318351 | Qin Zhang | — |
| Unknown | Postoperative Delirium in the Post-anesthesia Care Unit NCT06318364 | Qin Zhang | — |
| Recruiting | Reducing Delirium After CABG Surgery With Early Activation and Sleep-Promoting Routines NCT06107517 | National University Hospital, Singapore | N/A |
| Recruiting | Modulating Surgery-Induced Blood-Brain Barrier Disruption in Elderly NCT06090955 | Samsung Medical Center | N/A |
| Completed | Evaluation of the Predictive Impact of Serum S100B and S100B Polymorphisms on Postoperative Cognitive Dysfunct NCT07509372 | Ankara University | — |
| Recruiting | Sleep and Circadian Rhythm Biomarkers of Postoperative Delirium NCT06052397 | Massachusetts General Hospital | — |
| Completed | Optic Nerve Sheath Diameter is Associated With Postoperative Delirium in Patients Undergoing Open Heart Surger NCT05942183 | Samsun University | — |
| Completed | Effectiveness of Delirium Care Protocol After Cardiac Surgery NCT06268119 | Gonul Kara Soylemez | N/A |
| Completed | the Effect of Two Different Modes of Anaesthesia Mainantance on Postoperative Delirium NCT06597812 | Amasya University | — |
| Completed | Validation and Reliability of the Turkish 4AT Scale for Post-Anesthesia Awakening Delirium NCT06187389 | Kilis 7 Aralik University | — |
| Completed | Can Neutrophil-to-Lymphocyte Ratio, Platelet Volume and Platelet Distribution Width Be Used as Indicators of D NCT06701643 | Ankara City Hospital Bilkent | — |
| Completed | The Relationship Between Delirium and BDNF in Coronary Artery Bypass Graft Surgery NCT06967779 | Pomeranian Medical University Szczecin | — |
| Completed | Bis Monitoring Effect on Delirium Occurrence and Nursing Quality Improvement Recovering From General Anesthesi NCT06302517 | The Fourth Affiliated Hospital of Zhejiang University School of Medicine | N/A |
| Completed | Polish Validation 4AT Tool NCT04563858 | Andrzej Frycz Modrzewski Krakow University | — |
| Completed | Effect of the Anticholinergic Drug Burden on Postoperative Delirium in Elderly Chinese Patients: A Nested Case NCT06931353 | Hao Li | — |
| Completed | Malnutrition is a Severe Health Issue for Cancer Patients. This Study Examines How Preoperative Nutritional St NCT06657599 | Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital | — |
| Completed | A Predictive Model for Postoperative Delirium in Kidney Transplant Patients NCT07078578 | Hua Zheng | — |
| Completed | Preoperative Single Glucocorticoid Hip Fracture Hip Fracture Surgery NCT02317601 | Hvidovre University Hospital | Phase 4 |
| Unknown | Dexmedetomidine on Postoperative Delirium and Quality of Recovery in Geriatric Patients NCT01283412 | Huazhong University of Science and Technology | Phase 3 |
| Completed | Perioperative Dexmedetomidine and 30-Day Outcomes After Adult Cardiac Surgery NCT07249164 | China Medical University Hospital | — |
| Completed | Perioperative Risk Factors for Postoperative Delirium in Children NCT01032161 | Huazhong University of Science and Technology | — |