| Not Yet Recruiting | Proteomics and Physiological Parameters Predicting Complications After Colorectal Cancer Surgery NCT07494669 | Region Skane | — |
| Not Yet Recruiting | Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Postoperative Delirium and Negative Emotions in NCT07476742 | Chinese PLA General Hospital | N/A |
| Not Yet Recruiting | Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Perioperative Negative Emotions in Breast Cancer NCT07458646 | Chinese PLA General Hospital | N/A |
| Not Yet Recruiting | App-Assisted Swallowing Program After Oral Cancer Surgery NCT07301047 | Chang Gung Memorial Hospital | N/A |
| Withdrawn | Lung Herniation After Uniportal VATS NCT04566094 | Insel Gruppe AG, University Hospital Bern | — |
| Not Yet Recruiting | Dietary Supplements in Patients With Coronary Artery Bypass Grafting for Improving the Quality of Healthcare D NCT06995586 | Nicosia General Hospital | N/A |
| Not Yet Recruiting | Pain Control and Quality of Recovery After Intravenous Methadone Versus Intravenous Remifentanil in Craniotomy NCT06810336 | University of Virginia | EARLY_Phase 1 |
| Completed | Preemptive Co-infiltration of Triamcinolone Acetonide With Ropivacaine for Postoperative Pain in Major Spinal NCT06801587 | Fang Luo | Phase 4 |
| Completed | The Effect of High Protein Enteral Nutrition on Critically Ill Postoperative Children NCT06411873 | Indonesia University | N/A |
| Not Yet Recruiting | Efficacy and Safety of Oxycodone Hydrochloride for Long-term Analgesia in ICU Patients NCT06444997 | Shanghai Zhongshan Hospital | Phase 4 |
| Unknown | Pain Score and Opioid Consumption of Index and Previous Cesarean Delivery NCT06178458 | Prince of Songkla University | — |
| Recruiting | Postoperative Clinical and Neurophysiological Assessment of Patients After Open Heart Surgery NCT06707454 | Ain Shams University | — |
| Completed | Early Initiation of Oral Feeding Versus Traditional Feeding Post Caesarean Section NCT06539117 | Darlington-Peter Chibuzor Ugoji | N/A |
| Completed | Analgesic and Sedative Effect of Fentanyl Versus Dexmedetomidine Infusion in Post-Operative Mechanically Venti NCT06994273 | Tanta University | N/A |
| Completed | Role of Vitamin C Infusion in Postoperative Mechanically Ventilated Neonates With Sepsis NCT06780345 | Tanta University | N/A |
| Unknown | Effects of TTPB vs PIFB on Opioid Consumption in Patients After Cardiac Surgery. NCT05627869 | Beni-Suef University | N/A |
| Unknown | Evaluation of Neuronal Damage in Patients Undergoing Robot-assisted Laparoscopic Radical Prostatectomy With Bi NCT05692804 | Akdeniz University | — |
| Recruiting | Transfusion Requirements in Younger Patients Undergoing Cardiac Surgery NCT04754022 | Unity Health Toronto | N/A |
| Completed | The Effectiveness of Telerehabilitation After Arthroscopic Meniscus Repair NCT05875480 | Bahçeşehir University | N/A |
| Completed | Rectal Versus Intramuscular Diclofenac for Pain Relief Following Caesarean Section NCT06845930 | Assumpta Nnenna Nweke | N/A |
| Completed | Analgesia Management in Bariatric Surgery NCT04836819 | Ondokuz Mayıs University | N/A |
| Active Not Recruiting | Phase II Study of Postoperative Concurrent Chemoradiotherapy for Esophageal Squamous Cell Carcinoma (ESO- Shan NCT04764227 | Fudan University | Phase 2 |
| Recruiting | Effect of Erector Spinae (ESP) Block on Opioid Reduction and Enhanced Recovery After Posterior Cervical Spine NCT04646707 | University Health Network, Toronto | N/A |
| Completed | Comparison of Ultrasound-Guided Bilateral Erector Spinae Plane Block Versus Bilateral Rectus Sheath Block in A NCT04229420 | Kasr El Aini Hospital | N/A |
| Completed | Hemodynamic Effects of Physiotherapy in the Early Postoperative Period NCT03726541 | Istanbul Medipol University Hospital | N/A |
| Completed | Patient Satisfaction With Postoperative Follow up After Minimally Invasive Hysterectomy NCT03642743 | University of Louisville | N/A |
| Completed | Nutritional Support for Patients Operated for Malignant Tumors in HPD Zone NCT06397430 | Karaganda Medical University | N/A |
| Completed | Pre-emptive Quadratus Lumborum Block for Laparoscopic Bariatric Surgery NCT04294329 | Ain Shams University | N/A |
| Completed | Contralateral Adrenal Volume Predicts Duration of Postoperative Steroid Replacement Therapy in Non-ACTH-depend NCT07282223 | Peking University First Hospital | — |
| Completed | Ketamine Analgesia in Third Molar Surgery NCT04459377 | Dalarna County Council, Sweden | Phase 4 |
| Completed | Evaluating Monitoring Techniques for Postoperative Spinal Cord Ischemia NCT03074487 | Maastricht University Medical Center | — |
| Completed | Adverse Events During Physiotherapy at Intensive Care Unit In Patients Undergoing Cardiac Surgery NCT03552887 | University of Sao Paulo General Hospital | — |
| Completed | TEAS-induced Analgesia: Dual vs Single Acupoints NCT02543580 | Xijing Hospital | N/A |
| Completed | Comparison of the Efficacy of Calcium Hydroxide With Silver Nanoparticle and Conventional Calcium Hydroxide In NCT04213716 | Cairo University | Phase 2 |
| Completed | Perioperative Homocysteine and Postoperative Complications/All-Cause Mortality in Elderly Non-Cardiac Surgery NCT06959446 | Chinese PLA General Hospital | — |
| Completed | The Effect of Nasal Cannula During the First 2 Hours Postoperative in Patient Undergoing Thoracotomy NCT01725464 | Mahidol University | Phase 4 |
| Unknown | Closure of Anastomotic Leaks in the Stomach and Esophagus by Endoscopic Suturing NCT01139424 | University Hospital Schleswig-Holstein | N/A |
| Terminated | Dexmedetomidine for the Treatment of Delirium After Heart Surgery NCT01140529 | Thorax-Kärlkliniken | Phase 3 |
| Completed | Safety and Efficacy of Bilateral Superficial Cervical Plexus Block in Thyroidectomy NCT01454609 | Jawaharlal Institute of Postgraduate Medical Education & Research | Phase 2 |
| Completed | Temperature Measurement in Post-Anesthesia Care Units NCT00614588 | The Cleveland Clinic | — |
| Completed | A Study to Evaluate the Efficacy and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain After Abdomi NCT00478023 | Grünenthal GmbH | Phase 3 |
| Completed | Role of Anesthesiologist-Patient Relationship NCT00864695 | UPECLIN HC FM Botucatu Unesp | — |
| Completed | Heart Rate Variability and Postoperative Pain NCT00438035 | University Hospital, Bordeaux | N/A |
| Unknown | Acute Renal Failure in the Surgical Intense Care Units - NTUH-SICU-ARF (NSARF) Study NCT00451373 | National Taiwan University Hospital | N/A |
| Completed | Effect of Paracetamol, Pregabalin and Dexamethasone on Pain and Opioid Requirements in Patients After Hip Oper NCT00235261 | Glostrup University Hospital, Copenhagen | Phase 4 |
| Completed | Use of the PSA 4000 Monitor in the Post-Operative Period in Patients Undergoing Major Surgery NCT00273169 | Mayo Clinic | — |
| Completed | Evaluation of Efficacy of Lumbar Plexus Bloc After Hip Surgery NCT00150865 | University Hospital, Angers | N/A |