Data / New clinical trials / Postoperative Complications

Postoperative Complications trials: 275 new since Nov 2024

Name: New Postoperative Complications clinical trials
Creator: SpecStream
License: https://creativecommons.org/licenses/by/4.0/

The full list. New Postoperative Complications clinical trials: 275 rows for $13.75, first posted on ClinicalTrials.gov from November 12, 2024 to November 9, 2026. The list gains about 16 rows a month. The new rows come each week by email, $19 a month.

Pay by card with no account. Prices exclude VAT. CSV and Excel files with the columns this page does not show (central contact, contact phone, contact email, sponsor class, condition groups (MeSH), interventions and 5 more), which open on your screen as soon as the payment clears and come by email. The weekly rows run until you cancel, from the link in each delivery. The rows on this page are a sample.

For agents and scripts: this list is ordered at https://specstream.ai/data/clinical-trials/condition/postoperative-complications, and every list with its row count and price is at https://specstream.ai/data/lists.json.

Updated November 5, 2026. Source: ClinicalTrials.gov API v2 (U.S. National Library of Medicine).

275 clinical studies in Postoperative Complications were first posted on ClinicalTrials.gov from November 12, 2024 to November 5, 2026; 8 have an industry sponsor and 161 are recruiting or about to. The newest, NCT07918495, was posted on November 5, 2026: Effect of Prophylactic Dexamethasone vs Placebo on Airway Dimensions Assessed by Ultrasonography in Patients... (Assiut University).

The request: Every new Postoperative Complications clinical trial on ClinicalTrials.gov, with the sponsor, phase, sites and the listed contact. $10 of credit on sign-up, no card.

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SpecStream is the live web data engine for teams and agents. It reads every new study on ClinicalTrials.gov each morning, and this page is that reading. Ask for the conditions, phases or countries you follow and each new trial arrives in your sheet, CRM, Slack or agent with the sponsor, the sites and the listed contact.

275New trials
8Industry sponsored
161Recruiting or not yet
November 5, 2026Latest posted

Newest trials

The newest 100 of 275, each linked to its record. The full list holds every one with the sponsor class, interventions, start date and the central contact as the record prints it.

First posted	NCT ID	Title	Sponsor	Phase	Status	Conditions	Enrollment	Countries	Source
November 5, 2026	NCT07918495	Effect of Prophylactic Dexamethasone vs Placebo on Airway Dimensions Assessed by Ultrasonography in Patients Undergoing Laparoscopic...	Assiut University	Phase 4	Not yet recruiting	Airway Edema, Postoperative Complications, Cholecystolithiasis	80		clinicaltrials.gov
November 5, 2026	NCT07917897	Individualized Inspired Oxygen Fraction Titration During Lung Surgery (iOXY-LUNG)	Shanghai Pulmonary Hospital, Shanghai, China	Not applicable	Not yet recruiting	Postoperative Complications	628	China	clinicaltrials.gov
November 4, 2026	NCT07916246	Intracuff Dexmedetomidine Versus Alkalinized Lidocaine for Peri-Extubation Cough and Hemodynamic Responses in Elderly Patients	Beni-Suef University	Not applicable	Not yet recruiting	Airway Complication of Anesthesia, Hemodynamic Instability, Postoperative Complications, Emergence Delirium, Anesthesia	184	Egypt	clinicaltrials.gov
November 3, 2026	NCT07914569	The Mepilex Cesarean Delivery Trial / MEPIDEL	Montefiore Medical Center	Not applicable	Not yet recruiting	Surgical Site Infection	240	United States	clinicaltrials.gov
November 3, 2026	NCT07912801	Roxadustat and Myocardial Injury After Off-Pump Coronary Artery Bypass Surgery	Peking University First Hospital	Phase 4	Not yet recruiting	Coronary Artery Disease, Coronary Artery Bypass Grafting, Hypoxia-Inducible Factor 1, Alpha Subunit, Prolyl-Hydroxylase...	80	China	clinicaltrials.gov
November 3, 2026	NCT07911956	Comparison of Functional Results and Complications Between K-Wire Tension Band Fixation and Interosseous Suturing in Transverse Patellar...	Ain Shams University	Not applicable	Active not recruiting	Patella Fracture	30	Egypt	clinicaltrials.gov
October 30, 2026	NCT07907887	Evaluation of Postoperative Organ Injury, Risk Factors, and Short-Term Clinical Outcomes in Patients Admitted to Intensive Care After...	Ankara Training and Research Hospital	Observational	Completed	Acute Kidney Injury, Postoperative Complications	224	Turkey (Türkiye)	clinicaltrials.gov
October 29, 2026	NCT07903129	SGA-OCRC: Prediction of 90-Day Major Adverse Postoperative Outcomes in Octogenarians With Resectable Colorectal Cancer	Second Affiliated Hospital, Zhejiang University, School of Medicine	Observational	Not yet recruiting	Octogenarian Patients With Non-metastatic Resectable Colorectal Cancer	1,000		clinicaltrials.gov
October 29, 2026	NCT07902895	Intrathoracic Sleeve Migration (Sliding Hiatal Hernia) One Year or More After Laparoscopic Sleeve Gastrectomy	Kasr El Aini Hospital	Observational	Completed	Hiatal Hernia, Gastroesophageal Reflux Disease, Obesity, Postoperative Complications	61	Egypt	clinicaltrials.gov
October 28, 2026	NCT07900009	Biomarkers of Postoperative Complications After Cardiac Surgery	Rao Sun	Observational	Not yet recruiting	Postoperative Complications	300		clinicaltrials.gov
October 26, 2026	NCT07896174	Resistance vs Aerobic Prehabilitation Before Colorectal Cancer Surgery	Semmelweis University	Not applicable	Recruiting	Colorectal Cancer, Colorectal Neoplasms, Postoperative Complications	480	Hungary	clinicaltrials.gov
October 26, 2026	NCT07895836	Multimodal Monitoring During General Anesthesia in ENT Surgery	Barbara Verro	Not applicable	Completed	General Anesthesia	200	Italy	clinicaltrials.gov
October 23, 2026	NCT07892586	Low-Dose Norepinephrine With Conservative Fluid Therapy in Hepatobiliary Surgery	Assiut University	Not applicable	Not yet recruiting	Postoperative Complications, Pulmonary Complication	100		clinicaltrials.gov
October 22, 2026	NCT07889934	Enhanced Recovery After Surgery in Patients Undergoing Colorectal Cancer Surgery	University of West Attica	Not applicable	Completed	Colorectal Cancer	91	Greece	clinicaltrials.gov
October 22, 2026	NCT07888478	Surgical Intuition in Anastomotic Leakage After Colorectal Surgery	University Hospital, Basel, Switzerland	Observational	Recruiting	Anastomotic Leaks	4,300	Switzerland	clinicaltrials.gov
October 20, 2026	NCT07884006	Impact of Nutritional Status Before Joint Replacement on Infection Risk	Assiut University	Observational	Not yet recruiting	Periprosthetic Joint Infection (PJI), Malnutitrion, Postoperative Complication	50	Egypt	clinicaltrials.gov
October 19, 2026	NCT07881133	Perioperative Biomarkers in Colorectal and Gastric Cancer Surgery	Bucharest Emergency Hospital	Not applicable	Recruiting	Colorectal (Colon or Rectal) Cancer, STOMACH NEOPLASM	320	Romania	clinicaltrials.gov
October 9, 2026	NCT07867522	Prevention of Bile Leakage After Liver Resection in Children	Federal Research Institute of Pediatric Hematology, Oncology and Immunology	Not applicable	Recruiting	Postoperative Bile Leak, Focal Liver Lesions	12	Russia	clinicaltrials.gov
October 8, 2026	NCT07866170	Comparison of Different Ventilation Modes in Video-Assisted Thoracoscopic Lung Resection	Ankara Ataturk Sanatorium Training and Research Hospital	Observational	Not yet recruiting	One-lung Ventilation (OLV), Video-assisted Thoracis Surgery (VATS)	120	Turkey (Türkiye)	clinicaltrials.gov
October 8, 2026	NCT07865026	Epigenetic Susceptibility to Inflammatory Complications After Cardiac Surgery	University of Glasgow	Observational	Not yet recruiting	Organ Dysfunction, Inflammation in Cardiac Surgery, Epigenetic, Coronary Artery Bypass Graft, Postoperative...	30	United Kingdom	clinicaltrials.gov
October 6, 2026	NCT07861282	Telerehabilitation Exercise Program for Postoperative Recovery in Lung Cancer.	University of Seville	Not applicable	Recruiting	Lung Neoplasms, Thoracic Surgery Lung	56	Spain	clinicaltrials.gov
September 30, 2026	NCT07850492	High-Sensitivity Troponin T Kinetics and 30-Day Outcomes After Major Abdominal Surgery (TROP-MAS)	Bach Mai Hospital	Observational	Not yet recruiting	Myocardial Infarction (MI), Perioperative Myocardial Injury, Sepsis, Digestive System Surgical Procedures, Acute Kidney...	650	Vietnam	clinicaltrials.gov
September 25, 2026	NCT07841054	Renoprotective Effects of Dexmedetomidine Preconditioning in CABG Surgery	Bursa City Hospital	Not applicable	Completed	Dexmedetomidine, Postoperative Acute Kidney Injury, Cardiopulmonary Bypass Graft, Postoperative Complications	100	Turkey (Türkiye)	clinicaltrials.gov
September 23, 2026	NCT07836179	Safety and Effectiveness of Optomesh 3D for Inguinal Hernia Repair	Swissmed Hospital	Observational	Not yet recruiting	Inguinal Hernia	300	Poland	clinicaltrials.gov
September 22, 2026	NCT07834242	Anaesthesia for Hip and Knee Arthroplasty (SPIGA)	Zealand University Hospital	Not applicable	Not yet recruiting	Hip Arthroplasty, Knee Arthroplasty, Spinal Anesthesia, General Anesthesia, Length of Hospital Stay, Postoperative...	3,000		clinicaltrials.gov
September 18, 2026	NCT07829094	Postoperative Pulmonary Complications After Use of Supraglottic Airway Devices and Neuromuscular Blockade	University Hospital Ulm	Not applicable	Not yet recruiting	Postoperative Pulmonary Complications	6,800		clinicaltrials.gov
September 16, 2026	NCT07823530	Bioelectrical Response to Preoperative Hydration in Colorectal Surgery	University Hospital of Split	Not applicable	Not yet recruiting	Postoperative Complications	120	Croatia	clinicaltrials.gov
September 11, 2026	NCT07815392	Preoperative Frailty and Postoperative Outcomes in Older Patients Undergoing Surgery for Gastrointestinal Cancer	Van Training and Research Hospital	Observational	Recruiting	Gastrointestinal Cancer, Frailty	100	Turkey (Türkiye)	clinicaltrials.gov
September 10, 2026	NCT07812779	Thyroid Health Outcomes Registry for Surgery	Pirogov Russian National Research Medical University	Observational	Not yet recruiting	Thyroid Diseases, Thyroid Neoplasms, Thyroid Cancer, Thyroid Nodules, Goiter, Medullary Thyroid Carcinoma, Thyroid...	3,000		clinicaltrials.gov
September 8, 2026	NCT07807696	Olive Oil Before Lung Cancer Surgery to Prevent Chylothorax	Fudan University	Not applicable	Recruiting	Lung Cancer, Chylothorax	1,036	China	clinicaltrials.gov
September 2, 2026	NCT07800845	Remifentanil vs Fentanyl in Children 7-12 After Urologic Surgery: Emergence Delirium and Recovery Quality	Konya City Hospital	Phase 4	Not yet recruiting	Emergence Delirium, Emergence Agitation, Anesthesia Recovery Period, Postoperative Complications, Urologic Surgical...	88	Turkey (Türkiye)	clinicaltrials.gov
September 2, 2026	NCT07800806	Selective Antegrade Cerebral Perfusion and Perioperative Optic Nerve Sheath Diameter in Ascending Aortic Surgery	Koşuyolu Kartal Heart Training and Research Hospital	Not applicable	Not yet recruiting	Aortic Diseases, Cardiac Surgical Procedures, Aortic Aneurysm, Thoracic, Delirium - Postoperative, Postoperative...	134	Turkey (Türkiye)	clinicaltrials.gov
September 2, 2026	NCT07800767	Anesthesia Management, Inflammatory Response and Recovery After Non-intubated VATS Pericardial Window	Koşuyolu Kartal Heart Training and Research Hospital	Observational	Active not recruiting	Pericardial Effusion, Inflammatory Response After Surgery, Postoperative Complications, Procedural Sedation and...	120	Turkey (Türkiye)	clinicaltrials.gov
September 1, 2026	NCT07798544	Preoperative Anaemia and Early Postoperative Complications After Major Gastrointestinal Surgery	University of Ioannina	Observational	Completed	Anemia, Postoperative Complications	146	Greece	clinicaltrials.gov
September 1, 2026	NCT07797868	Vacuum-Assisted Closure Versus Graduated Primary Skin Closure for Postoperative Burst Abdomen	Assiut University	Not applicable	Not yet recruiting	Abdominal Wound Dehiscence, Burst Abdomen, Surgical Wound Dehiscence	50		clinicaltrials.gov
August 31, 2026	NCT07795112	Electroacupuncture at ST36 for Reducing Postoperative Inflammation After Cardiac Surgery With Cardiopulmonary Bypass	Sir Run Run Shaw Hospital	Not applicable	Recruiting	Systemic Inflammatory Response Syndrome (SIRS), Cardiac Surgical Procedures, Postoperative Complications...	140	China	clinicaltrials.gov
August 26, 2026	NCT07787364	Intraoperative Targeted Versus Liberal Blood Pressure Management in Patients Undergoing Off-pump Coronary Artery Bypass Grafting	Chinese Academy of Medical Sciences, Fuwai Hospital	Not applicable	Not yet recruiting	Coronary Artery Disease, Postoperative Complications	416		clinicaltrials.gov
August 21, 2026	NCT07780240	Axillary Web Syndrome After Breast Cancer Surgery: Incidence, Risk Factors, and Functional Outcomes	Antalya City Hospital	Observational	Recruiting	Axillary Web Syndrome, Breast Cancer, Breast Cancer Lymphedema, Postoperative Complications	250	Turkey (Türkiye)	clinicaltrials.gov
August 21, 2026	NCT07778420	Heated Humidified Oxygen in PACU Patients	Second Affiliated Hospital of Xi'an Jiaotong University	Not applicable	Not yet recruiting	Hypoxemia, Postoperative Complications, Anesthesia Recovery Period	2,000	China	clinicaltrials.gov
August 19, 2026	NCT07774689	AI-ECG for Preoperative Cardiovascular Risk Stratification Before General Surgery	Seoul National University Bundang Hospital	Not applicable	Not yet recruiting	Perioperative Cardiovascular Risk, Postoperative Complications (Cardiopulmonary), Preoperative Care	3,200	South Korea	clinicaltrials.gov
August 19, 2026	NCT07772076	Prospective Perioperative Clinical Registry for Women Undergoing Benign Gynecological Surgery	IRCCS San Raffaele	Observational	Not yet recruiting	Benign Gynecological Disease, Uterine Fibroids, Endometriosis, Adenomyosis, Pelvic Adhesions, Ovarian Cyst Benign...	6,000	Italy	clinicaltrials.gov
August 18, 2026	NCT07771751	The Effect of Acupressure Application on Respiratory Performance and Pain Levels in Adult Patients Undergoing Cardiac Surgery	Fenerbahce University	Not applicable	Not yet recruiting	Postoperative Pain, Cardiac Surgery, Postoperative Complications	114	Turkey (Türkiye)	clinicaltrials.gov
August 18, 2026	NCT07771049	Opioid-Free Anesthesia in Colorectal Surgery, 2025 (OFA-CRC-2025)	Hospital Universitario La Fe	Phase 1/2	Active not recruiting	Pain Management, Colorectal Surgery, Opioid Free Anesthesia, Postoperative Complications	200	Spain	clinicaltrials.gov
August 17, 2026	NCT07768878	Enhanced Recovery After Urogynaecological Surgery - Early Urinary Catheter Removal in an Asian Population	KK Women's and Children's Hospital	Not applicable	Completed	Postoperative Complications	97	Singapore	clinicaltrials.gov
August 17, 2026	NCT07768384	Feasibility of a 4-Week Intensive Postoperative Multimodal Rehabilitation Program in Complicated Patients After Proximal Pancreatectomy: A...	IRCCS San Raffaele	Not applicable	Recruiting	Pancreatic Diseases	40	Italy	clinicaltrials.gov
August 13, 2026	NCT07761975	Perioperative HALP and Surgical Outcomes	Istanbul Saglik Bilimleri University	Observational	Completed	Esophagectomy, HALP Score, Perioperative Biomarkers, Postoperative Complications, Perioperative Risk Assessment	131	Turkey (Türkiye)	clinicaltrials.gov
August 12, 2026	NCT07761390	DIEP-MDS for Risk Stratification of Flap Vascular Compromise and Failure in Breast Reconstruction	Zhuliling	Observational	Active not recruiting	Breast Neoplasms, Breast Reconstruction, Postoperative Complications	1,500	China	clinicaltrials.gov
August 12, 2026	NCT07760129	Erector Spinae Oxygen Saturation and AKI After OPCAB	Yonsei University	Observational	Not yet recruiting	Acute Kidney Injury, Coronary Artery Disease, Coronary Artery Bypass, Off-Pump, Postoperative Complications, Cardiac...	138		clinicaltrials.gov
August 7, 2026	NCT07752082	The Impact of Intra-Abdominal Pressure on Mortality and Morbidity in Patients Undergoing Open-Heart Surgery	Bursa Yuksek Ihtisas Training and Research Hospital	Observational	Completed	Intra-Abdominal Hypertension, Postoperative Complications	100	Turkey (Türkiye)	clinicaltrials.gov
August 7, 2026	NCT07751692	GNRI and Rectus Femoris Muscle Thickness in Older Patients Undergoing Hip Fracture Surgery	Fatih Sultan Mehmet Training and Research Hospital	Observational	Not yet recruiting	Hip Fracture, Malnutrition, Sarcopenia, Postoperative Complications	120	Turkey (Türkiye)	clinicaltrials.gov
August 6, 2026	NCT07750808	ZEPU AI9 Exoskeleton Rehabilitation Robot	Bangladesh Medical University	Not applicable	Recruiting	Stroke, Gait Disorders, Neurologic, Spinal Cord Injuries, Incomplete, Postoperative Complication	36	Bangladesh	clinicaltrials.gov
August 4, 2026	NCT07743697	Comparing Suture vs. Combined Closure Strategies for Large Blood Vessel Access in Patients Undergoing Transcatheter Aortic Valve...	University Hospital, Basel, Switzerland	Not applicable	Not yet recruiting	Aortic Valve Stenosis, Postoperative Complications, Vascular System Injuries, Hemorrhage	705	Switzerland	clinicaltrials.gov
August 3, 2026	NCT07742826	Comparison of PRF and Corticosteroids in Impacted Third Molar Surgery	Final International University	Not applicable	Recruiting	Impacted Mandibular Third Molar Extraction, Impacted Lower Third Molar, Impacted Wisdom Tooth	60	Cyprus	clinicaltrials.gov
August 3, 2026	NCT07740772	Effectiveness of PACU vs HCU Postoperative Care	Universitas Indonesia	Observational	Recruiting	Hospital Length of Stay, Step up Cases, Complication Postoperative	386	Indonesia	clinicaltrials.gov
July 28, 2026	NCT07729891	Real-time Evaluation and Continuous Observation of Vital Signs for Enhanced Recovery: a Study for the Early Identification of Complications...	Azienda Ospedaliero-Universitaria di Parma	Observational	Recruiting	Postoperative Complication, Respiratory Complications, Cardiac Complications	150	Italy	clinicaltrials.gov
July 27, 2026	NCT07729319	Clinical Effects of Intraoperative Heat and Moisture Exchange Systems During Thoracic Surgery: A Prospective Observational Cohort Study	Marmara University	Observational	Recruiting	Video Assisted Thoracic Surgery (VATS), Postoperative Complications, Pulmonary Complications in Surgical Patients...	200	Turkey (Türkiye)	clinicaltrials.gov
July 27, 2026	NCT07727876	Ready for Safe Cancer Treatment (RESET): A Comprehensive Perioperative Program for Surgical Oncology	Regional Specialist Hospital in Wroclaw	Not applicable	Recruiting	Neoplasms, Frailty, Surgical Procedures, Operative	12,800	Poland	clinicaltrials.gov
July 27, 2026	NCT07727772	Vascular Aging and Acute Kidney Injury After Cardiac Surgery	Nanjing First Hospital, Nanjing Medical University	Observational	Not yet recruiting	Acute Kidney Injury Cardiac Surgery, Postoperative Complications, Vascular Aging	472	China	clinicaltrials.gov
July 27, 2026	NCT07727759	CT Volumetry and Hepatic Vascular Deformation Mapping to Predict Post-Hepatectomy Liver Failure	Minia University	Observational	Recruiting	Post-Hepatectomy Liver Failure, Liver Failure, Liver Neoplasms, Carcinoma, Hepatocellular, Liver Metastases...	1,070	Egypt	clinicaltrials.gov
July 24, 2026	NCT07725692	Predictors of Rescue Surgery, Mortality, and Permanent Stoma After Anastomotic Leak Following Colorectal Cancer Resection	Alexandria University	Observational	Completed	Anastomotic Leak, Colorectal Cancer, Colon Cancer, Postoperative Complication, Intestinal Stoma	3,200	Egypt	clinicaltrials.gov
July 22, 2026	NCT07720154	Hernia Sac Flap Coverage of Mesh in Bony-Edged Ventral Hernia Repair	Minia University	Not applicable	Recruiting	Incisional Hernia, Abdominal Hernia, Complex Ventral Hernia, Surgical Site Infection, Seroma, Postoperative...	180	Egypt	clinicaltrials.gov
July 22, 2026	NCT07719933	Intraoperative Continuous Terlipressin Infusion is Associated With Reduced Severe Postoperative Complications After Laparoscopic...	First Affiliated Hospital, Sun Yat-Sen University	Observational	Completed	Liver Neoplasms, Postoperative Complications	161	China	clinicaltrials.gov
July 14, 2026	NCT07702487	Effect of Preoperative Prewarming on Serum Lactate Levels in Patients Undergoing Elective Nephrectomy	Beyzanur Aydoğdu	Observational	Recruiting	Nephrectomy / Methods, Intraoperative Hypothermia, Hyperlactatemia	128	Turkey (Türkiye)	clinicaltrials.gov
July 13, 2026	NCT07699913	Quality of Life of Patients Who Have Undergone Bilateral Mastectomy	University Hospital, Grenoble	Observational	Not yet recruiting	Surgery Date, Age, BMI, Height, Weight, Smoking Status, Hormone Therapy, Chemotherapy, Radiotherapy, Postoperative...	115		clinicaltrials.gov
July 7, 2026	NCT07688811	Risk Factors for Postoperative Nausea and Vomiting (PONV) in Adults at the Post-Anaesthesia Care Unit of Dr. Cipto Mangunkusumo National...	Universitas Indonesia	Observational	Completed	Postoperative Nausea and Vomiting, Anesthesia Complication, Postoperative Complication	280	Indonesia	clinicaltrials.gov
July 7, 2026	NCT07688109	Primary Versus Delayed Wound Closure in Complicated Appendectomy (The HIEDI-Yemen Trial)	Sana'a University	Not applicable	Not yet recruiting	Appendicitis, Surgical Wound Infection, Postoperative Complications, Wound Healing	200	Yemen	clinicaltrials.gov
June 30, 2026	NCT07676643	ELIXIR MDTM Satisfaction Clinical Trial	Elixir MD Inc	Not applicable	Active not recruiting	Postoperative Complications, Plastic Surgery	148	United States	clinicaltrials.gov
June 30, 2026	NCT07675421	Impact of HMB Supplementation on Inflammation and Outcomes in Head and Neck Cancer	Federal University of Minas Gerais	Not applicable	Recruiting	Head and Neck Cancers	66	Brazil	clinicaltrials.gov
June 25, 2026	NCT07667764	P-POSSUM for Outcomes After Abdominal Surgery	Bach Mai Hospital	Observational	Active not recruiting	Abdominal Surgery, Postoperative Complications, Surgical Risk Prediction, Postoperative Mortality, Frailty	3,000	Vietnam	clinicaltrials.gov
June 23, 2026	NCT07662642	Timing of Recruitment Maneuver in Robotic Prostate Surgery	Ankara University	Not applicable	Recruiting	Robotic Surgery, Urologic Surgical Procedures, Postoperative Pulmonary Complications (PPCs), Pulmonary Atelectasis...	86	Turkey (Türkiye)	clinicaltrials.gov
June 18, 2026	NCT07656818	Non-Thermal Plasma to Reduce Recurrence in Chronic Subdural Hematoma	Benjamín Gonzalo Rodríguez Méndez	Not applicable	Recruiting	Chronic Subdural Hematoma, Subdural Hematoma, Recurrence, Postoperative Complications	40	Mexico	clinicaltrials.gov
June 16, 2026	NCT07651904	Perioperative Respiratory Adverse Events in Cleft Lip and Palate Surgery: Incidence, Risk Factors, and Clinical Scoring	Marmara University Pendik Training and Research Hospital	Observational	Not yet recruiting	Cleft Palate, Cleft Lip, Laryngospasm, Bronchospasm, Airway Obstruction, Postoperative Complications, Difficult...	150		clinicaltrials.gov
June 16, 2026	NCT07651462	Preoperative Fasting and the Gut Microbiome Before Hip Replacement	Charite University, Berlin, Germany	Not applicable	Recruiting	Hip Osteoarthritis, Arthroplasty, Replacement, Hip, Postoperative Complications, Surgical Wound Infection...	130	Germany	clinicaltrials.gov
June 16, 2026	NCT07650461	Enhanced Recovery Versus Standard Care After Emergency Abdominal Surgery in Patients Requiring Emergency Laparotomy	Recep Tayyip Erdogan Hospital Pakistan - Muzaffargarh	Not applicable	Completed	Emergency Laparotomy, Intestinal Obstruction, Intestinal Perforation, Enhanced Recovery After Surgery (ERAS) Protocol...	102	Pakistan	clinicaltrials.gov
June 15, 2026	NCT07646730	Wearable Device-Based Early Warning of Postoperative Complications in Thoracic Surgery	Tongji Hospital	Observational	Recruiting	Postoperative Complications, Thoracic Surgery, Perioperative Monitoring	650	China	clinicaltrials.gov
June 12, 2026	NCT07646249	VENtilation Modalities During Transport of PostoperatIve CRITically Ill Patients to the ICU	Societa Italiana Anestesia Analgesia Rianimazione e Terapia Intensiva	Observational	Recruiting	Respiration, Artificial, Positive-Pressure Respiration, Postoperative Complications (Cardiopulmonary), Postoperative...	800	Italy	clinicaltrials.gov
June 10, 2026	NCT07638410	Prehabilitation in High-risk Oncologic Surgery	Fox Chase Cancer Center	Not applicable	Recruiting	Pancreatic Cancer, Colo-rectal Cancer, Gastric Cancer, Esophageal Cancer, Bladder Cancer, Ovarian Cancer, Abdominal...	180	United States	clinicaltrials.gov
June 8, 2026	NCT07631702	VACStent Use for the Treatment of Anastomotic Leakage Following coloREctal Surgery	Amsterdam UMC, location VUmc	Not applicable	Not yet recruiting	Colorectal Surgery, Anastomotic Leak Rectum, Endoscopy, Digestive System, Vacuum Therapy, Stents, Anastomotic Leakage...	40	Netherlands	clinicaltrials.gov
June 3, 2026	NCT07622238	IAU Percutaneous Nephrolithotripsy Study	Foundation Endourology	Observational	Completed	Urolithiasis, Kidney Calculi	4,000	Bulgaria	clinicaltrials.gov
June 2, 2026	NCT07620184	Swedish National Parotidectomy Study (SNaPs): Drainless Versus Standard Surgery	Uppsala University Hospital	Not applicable	Recruiting	Parotid Neoplasms, Post-operative Complications, Seroma as Procedural Complication	600	Sweden	clinicaltrials.gov
May 29, 2026	NCT07614399	Conservative vs Interventional Management of Postsurgical CSF Pseudomeningocele	Charles University, Czech Republic	Not applicable	Recruiting	CSF Leak, CSF Pressure Increased, CSF Circulation Disorder, Puncture	60	Czechia	clinicaltrials.gov
May 29, 2026	NCT07613177	Optimal PEEP for Postoperative Oxygenation and Lung Aeration (ULTRASVENT-2)	Moscow Multidisciplinary Clinical Center "Kommunarka"	Not applicable	Not yet recruiting	Postoperative Complications, Respiratory Insufficiency, Pulmonary Atelectasis, Positive-End Expiratory Pressure...	360	Russia	clinicaltrials.gov
May 27, 2026	NCT07609329	Preoperative Immunonutrition in Patients With Bone and Soft Tissue Sarcomas	St. Anne's University Hospital Brno, Czech Republic	Not applicable	Recruiting	Bone Sarcoma, Soft Tissue Sarcoma, Sarcopenia, Malnutrition, Postoperative Complications	100	Czechia	clinicaltrials.gov
May 22, 2026	NCT07601594	Early vs Standard Ileostomy Reversal	Gulab Devi Hospital	Not applicable	Completed	Ileostomy, Colorectal Surgery	90	Pakistan	clinicaltrials.gov
May 22, 2026	NCT07600905	Avatrombopag for Severe Thrombocytopenia After Liver Transplantation: A Retrospective Cohort Study	Shanghai Zhongshan Hospital	Observational	Completed	Liver Transplanatation, Postoperative Complication, Severe Thrombocytopenia	134	China	clinicaltrials.gov
May 20, 2026	NCT07598682	Trajectory-Based Phenotyping After Coronary Artery Bypass Surgery	Bursa Sevket Yilmaz Training and Research Hospital	Observational	Not yet recruiting	Coronary Artery Bypass Grafting, Postoperative Acute Kidney Injury, Postoperative Complications, Risk Stratification	1,000	Turkey (Türkiye)	clinicaltrials.gov
May 15, 2026	NCT07590141	Prehabilitation Before Major Surgery	Queen's University	Not applicable	Not yet recruiting	Prehabilitation, Preoperative Care, Elective Surgical Procedures, Postoperative Complications, Surgical Procedures...	120	Canada	clinicaltrials.gov
May 14, 2026	NCT07588074	Tolerability Comparison of Flarex to Lotemax SM	Harrow Inc	Phase 4	Completed	Ocular Inflammation, Keratoconjunctivitis, Dry Eye Disease (DED), Post-operative Complications, Kerato Conjunctivitis...	40	United States	clinicaltrials.gov
May 13, 2026	NCT07583290	Artificial Intelligence for Ulinastatin Responder Outcome & Risk Assessment in CPB	Beijing Anzhen Hospital	Observational	Active not recruiting	Cardiac Surgical Procedures, Cardiopulmonary Bypass, Systemic Inflammatory Response Syndrome, Multiple Organ...	10,000	China	clinicaltrials.gov
May 11, 2026	NCT07577726	Prospective Observational Multimodal Neuromonitoring During High-Risk Adult Surgery	University of Texas Southwestern Medical Center	Observational	Not yet recruiting	Postoperative Cognitive Complications, Delirium, Perioperative/Postoperative Complications, Brain Injuries, Anesthesia	300	United States	clinicaltrials.gov
May 7, 2026	NCT07573423	Linear Versus Purse String Skin Closure at Loop Ileostomy Reversal.	Hayat Abad Medical Complex, Peshawar	Not applicable	Completed	Surgical Site Infection (SSI), Ileostomy Closure, Surgical Technique Comparison	252	Pakistan	clinicaltrials.gov
May 7, 2026	NCT07573150	Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy	NeurOptics Inc	Observational	Recruiting	Opioid-Induced Respiratory Depression, Postoperative Complications (Cardiopulmonary), Respiratory Complications Due to...	300	United States	clinicaltrials.gov
May 5, 2026	NCT07567573	Validation of ESGO Quality Indicators in Advanced Ovarian Cancer Surgery	European Society of Gynaecological Oncology	Observational	Completed	D010051, Ovarian Cancer, Advanced-stage Ovarian Cancer, FIGO Stages III and IV, Quality Indicators	11,383	Belgium	clinicaltrials.gov
May 4, 2026	NCT07566013	PREDICTING MINS WITH FRAILTY AND BIOMARKERS IN GERIATRIC SURGERY	DİLEK KALAYCI	Observational	Active not recruiting	Geriatric Patients, Postoperative Complications, Frailty, Myocardial Ischemia, Hip Surgeries	600	Turkey (Türkiye)	clinicaltrials.gov
April 29, 2026	NCT07556835	Outcomes After Liver and Biliary Resection at a High-Volume Center	Azienda USL Toscana Centro	Observational	Not yet recruiting	Liver Neoplasms, Hepatobiliary Diseases, Cholangiocarcinoma, Hepatocellular Carcinoma, Liver Metastases From Colorectal...	1,000	Italy	clinicaltrials.gov
April 23, 2026	NCT07547826	Efficacy and Cost-Effectiveness of Topical Vancomycin Powder in Preventing Pediatric Ventriculoperitoneal Shunt Infections Across Different...	Assiut University	Phase 4	Not yet recruiting	Hydrocephalus, Ventriculoperitoneal Shunt Infection, Surgical Site Infection (SSI), Cerebrospinal Fluid Shunt...	164	Egypt	clinicaltrials.gov
April 21, 2026	NCT07542925	Prediction of Postoperative ICU Requirement in Oncologic Surgery	Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital	Observational	Recruiting	Neoplasms, Postoperative Complications, Perioperative/Postoperative Complications, Intensive Care Units	500	Turkey (Türkiye)	clinicaltrials.gov
April 20, 2026	NCT07539532	Comparing Traditional Risk Scores and an AI-Based Multimodal Model for Predicting Cardiovascular Events After Gastrointestinal Surgery	Bach Mai Hospital	Observational	Recruiting	Postoperative Complications, Cardiovascular Diseases, Digestive System Surgical Procedures	5,000	Vietnam	clinicaltrials.gov
April 15, 2026	NCT07530393	Blood Viscosity and Outcomes After Elective Craniotomy	Asan Medical Center	Observational	Recruiting	Postoperative Complications, Intracranial Surgery	1,000	South Korea	clinicaltrials.gov
April 14, 2026	NCT07529106	Effective Hemostasis: An Analysis of Hemostatic Sponges Used in Extraction Procedures	Universidad Nacional de Caaguazu	Not applicable	Completed	Hemostasis, Wound Closure, Pain, Extraction Socket Healing	30	Paraguay	clinicaltrials.gov

Sponsors posting most

Sponsor	New trials	Latest
Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital	6	April 21, 2026
Assiut University	5	November 5, 2026
Cairo University	5	April 9, 2026
Peking University First Hospital	4	November 3, 2026
Minia University	4	July 27, 2026
Bach Mai Hospital	3	September 30, 2026
St. Anne's University Hospital Brno, Czech Republic	3	May 27, 2026
Montefiore Medical Center	2	November 3, 2026
Ain Shams University	2	November 3, 2026
Kasr El Aini Hospital	2	October 29, 2026
Semmelweis University	2	October 26, 2026
University Hospital, Basel, Switzerland	2	October 22, 2026
Ankara Ataturk Sanatorium Training and Research Hospital	2	October 8, 2026
Bursa City Hospital	2	September 25, 2026
Swissmed Hospital	2	September 23, 2026
Konya City Hospital	2	September 2, 2026
Koşuyolu Kartal Heart Training and Research Hospital	2	September 2, 2026
IRCCS San Raffaele	2	August 19, 2026
Universitas Indonesia	2	August 3, 2026
Azienda Ospedaliero-Universitaria di Parma	2	July 28, 2026

By phase

Phase	New trials	Latest
Observational	132	October 30, 2026
Not applicable	123	November 5, 2026
Phase 4	10	November 5, 2026
Phase 3	5	February 11, 2026
Phase 1/2	2	August 18, 2026
Phase 2	2	August 13, 2025
Phase 2/3	1	January 6, 2025

By country

Country	New trials	Latest
Turkey (Türkiye)	57	October 30, 2026
China	41	November 5, 2026
Egypt	17	November 4, 2026
United States	16	November 3, 2026
Italy	10	October 26, 2026
Spain	8	October 6, 2026
France	7	March 30, 2026
Poland	6	September 23, 2026
South Korea	6	August 19, 2026
Brazil	6	June 30, 2026
Czechia	6	May 29, 2026
Switzerland	5	October 22, 2026
Germany	5	June 16, 2026
Pakistan	5	June 16, 2026
Canada	5	May 15, 2026
Belgium	5	May 5, 2026
United Kingdom	4	October 8, 2026
Vietnam	4	September 30, 2026
Mexico	4	June 18, 2026
Sweden	4	June 2, 2026
Hungary	3	October 26, 2026
Russia	3	October 9, 2026
Indonesia	3	August 3, 2026
Colombia	3	January 28, 2026
Taiwan	3	January 15, 2026

Where the register publishes

U.S. government data; ClinicalTrials.gov terms of use. Studies are as their sponsors registered them on ClinicalTrials.gov, read through its API. Condition groups are the MeSH terms ClinicalTrials.gov assigns to each study's conditions; a study with several is in several groups. Sponsor class is the register's class of the lead sponsor. The central contact is in the full list only as the record prints it. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.