Clinical trials: Retrospective
Esophageal Squamous Cell Carcinoma
Survival Prediction After Neoadjuvant Chemoimmunotherapy and Esophagectomy for Esophageal Squamous Cell Carcinoma
The goal of this retrospective observational study is to develop and internally evaluate a prognostic model for overall survival in patients with esophageal squamous cell carcinoma who received neoadjuvant chemoimmunotherapy…
- Trial name
- NCT07488624
- Where
- 3 sites in China
- Volunteers
- 414 people
- Sponsor
- Sichuan University
Pediatric Liver Transplantation
Incidence and Risk Factors of Prolonged Post-Operative Mechanical Ventilation
The primary goal of the study is to identify incidence and risk factors for PPMV in pediatric patients undergoing liver transplantation.
- Trial name
- NCT05825703
- Where
- India
- Volunteers
- 60 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
COVID-19, 2019 Novel Coronavirus Infection
Evaluating Clinical Parameters of COVID-19 in Pregnancy
Coronavirus infection, also known as COVID-19, has become a global pandemic with over 3 million cases and 250,000 deaths worldwide.
- Conditions
- COVID-19, 2019 Novel Coronavirus Infection, COVID-19 Infection
- Trial name
- COpregVID (NCT04470583)
- Where
- 2 sites in United Kingdom
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Chelsea and Westminster NHS Foundation Trust
Parkinson's Disease
Non-interventional, Retrospective, Multi-center Study to Evaluate Non-motor Symptoms in Advanced Parkinson Disease (PD) Patients Already Treated With Rotigotine
This is an observational, non-interventional and retrospective study in patients with advanced PD who have been treated with Rotigotine (Neupro®) as prescribed by physicians according to usual clinical practice in Spain.
- Trial name
- RETO-PD (NCT01504529)
- Where
- 59 sites in Spain
- Volunteers
- 391 people
- Sponsor
- UCB Pharma
Aorta Disease, Peripheral Artery Disease
Asan Aorta and Peripheral Registry
The purpose of this study is to evaluate the clinical results of patients who received revascularization of the aorta and peripheral artery at Asan Medical Center.
- Trial name
- PTA (NCT06022653)
- Testing
- Treatment
- Where
- South Korea
- Volunteers
- 6,000 people
- Sponsor
- Asan Medical Center
Follicular Thyroid Cancer, SEER Database Analysis
Long-term Survival Outcomes of Total Thyroidectomy and Radioactive Iodine Therapy in Unilateral T3/T4 FTC
This study aims to thoroughly examine survival disparities in patients with T3 or T4 stage follicular thyroid carcinoma (FTC) as classified by the AJCC staging system.
- Trial name
- NCT06437873
- Testing
- Total Thyroidectomy (TT), Radioactive iodine treatment(RAIT)
- Volunteers
- 2,957 people, healthy volunteers welcome
- Sponsor
- Dezhou Hospital Qilu Hospital of Shandong University
Glioblastoma, Angiogenesis
Impact of Bevacizumab on Symptom Burden and Neurological Deficits in Patients With Recurrent Glioblastoma
This retrospective non - interventional patient chart review will be utilizing real world clinical data from patients treated for rGBM at the University Regensburg Medical center either with or without bevacizumab.
- Trial name
- NCT04974983
- Testing
- Observation of neurological deficits
- Where
- Germany
- Volunteers
- 203 people
- Sponsor
- University Hospital Regensburg
Pelvic Organ Prolapse
Smartmesh Technology in Pelvic Floor Repair Procedures
Pelvic organ prolapse repair involves conservative treatments and surgical treatments. Conservative treatments are for patients with moderate prolapse. Treatment of symptomatic prolapse remains essentially surgical.
- Trial name
- Restorelle (NCT03098641)
- Testing
- pelvic organ prolapse repair
- Where
- 16 sites in France
- Volunteers
- 272 people
- Sponsor
- Groupe Hospitalier de la Rochelle Ré Aunis
Comparison of Short- Term Success Rates of POEM With LHM, Comparison of Long-term Success Rates of POEM With LHM
Comparison of Peroral Endoscopic Myotomy (POEM) With Laparoscopic Heller Myotomy (LHM) for Treatment of Achalasia
For the treatment of Achalasia, LHM has been the only surgical therapy. Recently, an endoscopic approach for this therapy has been developed (peroral endoscopic Myotomy POEM).
- Trial name
- POEM3 (NCT02018705)
- Where
- 5 sites in Denmark, Germany and 2 more
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
COVID-19, Surgery
Impact of COVID-19 Pandemic on Hepatopancreatobiliary Surgical Services in Singapore
This paper is intended to report our observational study in evaluating the impact of the COVID-19 pandemic on Tan Tock Seng Hospital hepatopancreatobiliary unit's surgical workload from January to June across 2019 to 2022…
- Trial name
- NCT05572866
- Testing
- COVID-19 pandemic
- Where
- Singapore
- Volunteers
- 1,089 people
- Sponsor
- Tan Tock Seng Hospital
Chronic Pain
Retrospective-Prospective PNS Study
This is a retrospective-prospective study in which 40 patients have received a permanent Freedom PNS System. Subjects presented with chronic, intractable pain of peripheral nerve origin refractory to standard medical and/or…
- Trial name
- NCT06845631
- Testing
- PNS device, observational study, no intervention during study
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Curonix LLC
Determination of Beneficial Effect of Using Enamel Matrix Derivative During Implant Treatment
Retrospective Study of Implants With Peri-implantitis Surgically Treated Using Enamel Matrix Derivative (EMD)
The existing records of a private practice limited to the practice of periodontology were reviewed to locate patients who had been diagnosed with peri-implantitis (failing dental implant) and had been surgically treated utilizing…
- Trial name
- NCT05419102
- Testing
- peri-implantitis surgery with enamel matrix derivative
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- North Dallas Dental Health
Sternal Wound Complications, Obesity (Body Mass Index >30 kg/m2)
Sternal Closure in High-BMI Patients: Cable vs Wire
This retrospective study compares two sternal closure techniques-standard stainless-steel wires and rigid cable systems-in adult patients with a body mass index (BMI) ≥30 who underwent open-heart surgery between January 1, 2020…
- Conditions
- Sternal Wound Complications, Obesity (Body Mass Index >30 kg/m2), Median Sternotomy, Cardiac Surgery
- Trial name
- NCT07097272
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people
- Sponsor
- Samsun University
Smoking Cessation
Nicotine Replacement Therapy and Cardiovascular Disease
The aim of this study is to compare the cardiovascular disease event rate in smokers undertaking pharmacologically unaided smoking cessation attempts (the non-exposed group) with the event rate in smokers attempting smoking…
- Trial name
- NCT02195739
- Where
- United Kingdom
- Volunteers
- 61,050 people, healthy volunteers welcome
- Sponsor
- Research in Real-Life Ltd
Statin Adverse Reaction
The Association of Statins on Cardiorespiratory Fitness and Exercise Adaptation
Statins are part of one of the largest groups of drugs prescribed worldwide used in the treatment of dyslipidemia. Despite the good therapeutic results of statins and their good tolerance on the part of patients, some adverse…
- Trial name
- NCT04986241
- Testing
- Statin, Physical activity, Sedentary
- Where
- Brazil
- Volunteers
- 18,557 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Post-partum Hemorrhage, Blood Transfusion
Risk Factors, Management and Complications of Severe Post-partum Hemorrhage
The incidence of severe post-partum hemorrhage has been increasing in developed countries. The reason for this is at least partially unknown.
- Trial name
- PPH-REG (NCT02815605)
- Where
- Finland
- Volunteers
- 9,000 people
- Sponsor
- Tampere University Hospital
Atypical Hemolytic Uremic Syndrome (aHUS)
A Retrospective, Observational, Non-interventional Trial to Assess Eculizumab Treatment Effect in Patients With Atypical Hemolytic Uremic Syndrome (aHUS)
The objective of this retrospective trial is to assess safety and efficacy of eculizumab in aHUS patients treated outside of an Alexion-sponsored controlled clinical trial.
- Trial name
- NCT01770951
- Where
- 23 sites in United States, Austria and 6 more
- Volunteers
- 30 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Ventricular Tachycardia (VT)
Ventricular Tachycardia Ablation Through Radiation Therapy Consortium: Concept Description of an Observational Retrospective Multicentric Trial
Recurrent ventricular tachycardia (VT) is a potentially life-threatening arrhythmia in patients with structural heart disease. Despite the use of antiarrhythmic drugs, implantable cardioverter-defibrillators (ICDs), and…
- Trial name
- VT-ART R (NCT06990139)
- Where
- Italy
- Volunteers
- 149 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Postoperative Complications, Thoracic Surgery
Wearable Device-Based Early Warning of Postoperative Complications in Thoracic Surgery
After thoracic surgery, some patients may develop complications such as lung infection, abnormal heart rhythm, fluid around the lung, prolonged air leak, wound infection, emergency department visits, or hospital readmission.
- Conditions
- Postoperative Complications, Thoracic Surgery, Perioperative Monitoring
- Trial name
- wearable (NCT07646730)
- Testing
- Wearable device-based perioperative monitoring
- Where
- China
- Volunteers
- 650 people
- Sponsor
- Tongji Hospital
Heart Disease
Initial Experience With the AngioVac Venous Drainage Cannula
This is a retrospective, record-based study of approximately 100 patients across up to 12 centers within the United States. All patients who have been treated with the AngioVac Venous Drainage Cannula and the Extracorporeal…
- Trial name
- NCT02775565
- Testing
- AngioVac
- Where
- 5 sites in United States
- Volunteers
- 51 people
- Sponsor
- Angiodynamics, Inc.
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.