Clinical trials: Retrospective Study
Cardiovascular Surgery
Tranexamic Acid Dose and Confusion After Cardiac Surgery
Delirium is one of the most common complications after cardiac surgery and occurs with an incidence of 3 - 70%. Both predisposing factors (age, diabetes, severity of cardiac disease, atrial fibrillation) and precipitating factors…
- Trial name
- NCT05966012
- Testing
- Tranexamic acid
- Where
- United Kingdom
- Volunteers
- 5,000 people
- Sponsor
- Papworth Hospital NHS Foundation Trust
Protective Ventilation
Comparison of Tidal Volume Between Pediatric Anaesthesia and Paediatric Intensive Care Patients
Paediatric anaesthesiology and paediatric intensive care unit data will be retrospectively screened for the data regarding mechanical ventilation.
- Trial name
- TIVAC (NCT03877354)
- Testing
- Data from anaesthesia records for ventilation setting screening, Data from intensive care records for ventilation setting screening
- Where
- Czechia
- Volunteers
- 1,000 people
- Sponsor
- Brno University Hospital
Cluster Headache, Disease Course
Long-term Prognosis of Cluster Headache: a Retrospective Cohort Study
Cluster headache is a syndrome characterized by disabling headache and accompanying autonomic symptoms. Despite cluster headache is called "suicide headache", its natural history has not been well investigated.
- Trial name
- NCT02895256
- Testing
- Any treatment for cluster headache
- Where
- South Korea
- Volunteers
- 70 people
- Sponsor
- Samsung Medical Center
Biliary Tract Diseases
Cholecystitis in Villavicencio Hospitals
Background: Acute cholecystitis is a frequent cause of visits to the emergency ward. The complications of delays in attention and surgical therapy are substantial and should be considered to prevent them timely.
- Trial name
- NCT06048575
- Testing
- Cholecystectomy
- Where
- Colombia
- Volunteers
- 609 people
- Sponsor
- Hospital Departamental de Villavicencio
Kidney Transplant
The Study of Long-term Deterioration of Kidney Transplants.
This study is being done to create a kidney transplant database with information from many transplant centers for the purpose of studying ways to help improve transplant outcomes and the care of transplant recipients.
- Trial name
- NCT00217126
- Where
- United States
- Volunteers
- 870 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Overall Mortality
Retrospective Follow-up of BIOLUX P-I/-II
The aim is to collect long-term clinical data from 132 patients from Belgium, Germany and Austria who had previously participated in either of the BIOLUX P-I or P-II studies.
- Trial name
- NCT04250909
- Testing
- Passeo-18, Passeo-18 Lux
- Where
- 8 sites in Austria, Belgium and 1 more
- Volunteers
- 132 people
- Sponsor
- Biotronik AG
Anesthesia, Pediatric ALL
Topical Analgesia Before Inhalational Anaesthesia
Peripheral venous cannulation (insertion of a drip line into a vein) is a fundamental component of anaesthesia for both children and adults alike.
- Trial name
- NCT04959409
- Testing
- Topical analgesia (EMLA or AMETOP)
- Where
- United Kingdom
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Nottingham University Hospitals NHS Trust
Gastrointestinal Symptoms, Infection
Assessment of Gastrointestinal Discomfort and Infections in Healthy Term Infants
A retrospective observational medical dossier-based study to assess gastrointestinal discomfort and infections in healthy term infants
- Conditions
- Gastrointestinal Symptoms, Infection, Allergy Symptoms, Growth
- Trial name
- MESK-1 (NCT06744699)
- Testing
- Infants fed goat milk-based infant formula
- Where
- 3 sites in Saudi Arabia
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Ausnutria Hyproca B.V.
Advanced Thyroid Cancer Patients Who Received Target Therapy
A Retrospective and Prospective Real-world Study of Molecular Typing in the Treatment of Advanced Thyroid Cancer
This is a retrospective and prospective real-world clinical study of molecular typing in the treatment of advanced thyroid cancer.
- Trial name
- NCT06195228
- Testing
- dabrafenib plus trametinib with or without PD-1 antibody, entrectinib or larotrectinib with or without anti-PD-1 antibdoy, pralsetinib or selpercatinib with or without anti-PD-1 antibdoy
- Where
- 8 sites in China
- Volunteers
- 800 people
- Sponsor
- Fudan University
Esophageal Neoplasms, Esophagectomy
Metachronic Brain Metastases After Esophagectomy for Esophageal Cancer (METABREC)
Esophagectomy is the cornerstone of the curative treatment of esophageal carcinoma. Despite this treatment, patients can suffer from locoregional or distant metastatic disease and only a very selected group of patients can be…
- Conditions
- Esophageal Neoplasms, Esophagectomy, Brain Metastases
- Trial name
- METABREC (NCT04654975)
- Testing
- Esophagectomy for esophageal cancer
- Where
- 8 sites in United States, Belgium and 4 more
- Volunteers
- 10,000 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Lung Adenocarcinoma, Surgery
DNA Methylation Biomarkers to Predict Survival After Surgery for Lung Adenocarcinoma
This study is designed to assess DNA 5-methylcytosine (5mC) methylation modifications in lung adenocarcinoma (LUAD) samples and develop a prognosis-predictive model for LUAD based on cancer tissue DNA 5mC levels.
- Conditions
- Lung Adenocarcinoma, Surgery, Prognostic Cancer Model
- Trial name
- NCT06477211
- Where
- China
- Volunteers
- 292 people
- Sponsor
- Nanjing University
Postoperative Infection
Post-operative Antibiotics; Effects on Risk of Infection After Cochlear Implant Surgery
Currently there is little consensus regarding postoperative antibiotic prophylactic treatment and its effect on the postoperative infection rate after Cochlear implantation.
- Trial name
- NCT06177444
- Testing
- Antibiotic
- Where
- Denmark
- Volunteers
- 920 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital
Thyroid Papillary Carcinoma, Contrast Enhanced Ultrasound
Preoperative Prediction of Lymph Node Metastasis in T1N0M0 Papillary Thyroid Carcinoma by Using Contrast-enhanced Ultrasound
Similarly, the burden of central lymph node metastasis affects the individualized management of patients with T1N0M0 papillary thyroid carcinoma (PTC): lymph node metastasis is a contraindication to thermal ablation; low-burden…
- Trial name
- NCT07357571
- Where
- 2 sites in China
- Volunteers
- 600 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Papillary Thyroid Carcinoma; Molecular Heterogeneity; Multi-model Analysis; Artificial Intelligence; Lymph Node Metastases; Disease-free Survival
AI-Based Multimodal Multi-tasks Analysis Reveals Tumor Molecular Heterogeneity, Predicts Preoperative Lymph Node Metastasis and Prognosis in Papillary Thyroid Carcinoma
This study involved a comprehensive analysis of 256 PTC patients from Sun Yat-sen Memorial Hospital of Sun Yat-sen University (SYSMH) and 499 patients from The Cancer Genome Atlas.
- Trial name
- NCT06241092
- Where
- China
- Volunteers
- 256 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Immune Thrombocytopenia (ITP), Acute Ischemic Stroke
Longitudinal Cohort Study on Immune Thrombocytopenia Complicated With Acute Ischemic Stroke
Immune thrombocytopenia (ITP) is an acquired bleeding disorder mediated by immune-related platelet destruction and impaired platelet production.
- Trial name
- NCT07070193
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Inflamatory Bowel Disease
Clinical Characteristics, Treatment Patterns, and Outcomes of Hospitalized Patients With Refractory Inflammatory Bowel Disease
the investigators conducted a multicenter retrospective cohort study of hospitalized patients with IBD from three tertiary referral centers in China to characterize the clinical features, treatment patterns, and outcomes of…
- Trial name
- NCT07697521
- Testing
- Retrospective medical record review
- Where
- China
- Volunteers
- 1,048 people
- Sponsor
- Shanghai 10th People's Hospital
Dental Caries in Children, Pediatric Patients
Relationship Between Tooth Decay and Trabecular Bone
Chewing, a movement that matures with experiences, has effects on the growth and development of the stomatognathic system. Tooth decay, which is known to have effects on chewing, can affect the jaw bone due to its indirect effect…
- Conditions
- Dental Caries in Children, Pediatric Patients, Radiology
- Trial name
- NCT04608526
- Testing
- Fractal analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
ALL (Acute B-Lymphoblastic Leukemia), CAR-T Cell Therapy
A Real-world Study on the Treatment of Adult B-cell Acute Lymphoblastic Leukemia With CNCT-19
This clinical study is a retrospective, observational, and multicenter post marketing real-world study aimed at evaluating the efficacy and safety of CNCT-19 in the treatment of Chinese adult B-cell acute lymphoblastic leukemia…
- Trial name
- NCT07269587
- Testing
- CNCT-19
- Where
- China
- Volunteers
- 275 people
- Sponsor
- Ruijin Hospital
Root Canal Treatment
Retrospective Database Study: Influence of Post-endodontic Restoration Placement on Survival of Root Canal-treated Teeth
The aim of this study is to assess the influence (i.e. type and timing) of post-endodontic restorations on the survival of root canal-treated teeth and to determine the influence of patient-, tooth-, treatment-, and…
- Trial name
- NCT06441058
- Testing
- No patient treatment is associated with the study
- Where
- Germany
- Volunteers
- 541 people
- Sponsor
- University of Göttingen
Visual Impairment
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification in Upper Egypt: A Retrospective Study
- Trial name
- NCT06518148
- Testing
- 1- uncorrected and best corrected visual acuity (UCVA and BCVA) by Snellen's-chart.2-slit lamp bio microscopy (Haag-Streit, USA).3-IOP measurements (Goldmann Applanation tonometer)
- Where
- Egypt
- Volunteers
- 2,000 people
- Sponsor
- New Valley University
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.