Found 64,920 clinical trials
Top-Down Attentional Control of Visual-Processing
Background Previous studies have shown that people with certain types of brain damage may have particular problems paying attention and processing things that they see. Researchers are interested in comparing how people with brain damage and without brain damage process visual images. Objectives To better understand the areas of the …
Phage Safety Retrospective Cohort Study
The aim of this study is to determine the imputability of adverse events in patients who have had phage therapy for the treatment of their bone or joint or implant infection, in order to find out whether these adverse effects are related to surgery, antibiotic treatment or bacteriophages.
Safety and Efficacy of Balloon Pulmonary Angioplasty in China
Balloon pulmonary angioplasty (BPA) is a potential treatment for non-operable patients with chronic thromboembolic pulmonary hypertension (CTEPH). The aim of this study was to evaluate the safety and efficacy of BPA in CTEPH patients not amenable to pulmonary endarterectomy(PEA) or suffered from persistent CTEPH after PEA.
Ultrasonographic Air Bronchogram in Pediatric CAP
This study evaluates the prognostic role of the change of arborescent air bronchogram, a typical ultrasonographic finding of lung consolidation due to pneumonia, in the management of pediatric CAP.
Temporal Diffusion Spectroscopy MRI in Predicting the CPS of PD-L1 Expression and the Efficacy of Neoadjuvant Therapy
The goal of this observational study is to explore the application of temporal diffusion spectroscopy MRI in head and neck squamous cell carcinoma (HNSCC). The main questions it aims to answer are: If the quantitative parameters of temporal diffusion spectroscopy MRI can predict the comprehensive positive score (CPS) of pathological …
The Early Warning System for the Diabetic Encephalopathy
Diabetes( mainly type II diabetes )lead to the central nervous system (CNS) function impairment, especially the mild cognitive impairment that increased the risk of progression to dementia.The primary objectives are defined according to a hierarchical design: i) to tailor and apply multi-parametric, functional MRI techniques to identify cerebral abnormalities (cerebral …
The Study on the Use of "UniLine" Bioprosthesis in the Treatment of Isolated Aortic and Mitral Valve Diseases
The goal of this open, prospective, multicenter study is analyze long-term outcomes of aortic/mitral valve replacement using the "UniLine" bioprosthesis in patients with acquired aortic or mitral valve diseases. Main research objectives: To analyze long-term (up to 12 years) outcome of aortic or mitral valve replacement using the "UniLine" bioprosthesis. …
Registry of X-linked Adrenoleukodystrophy
This study is a observational study conducted through recruiting X-linked adrenoleukodystrophy (X-ALD) patients, to build a comprehensive evaluation and long-term follow-up platform for X-ALD patients, and to provide a theoretical basis for the treatment and management of X-ALD patients.
Compliance With ERAS Protocol in Pancreatic Surgery, Stress Response and Outcomes
The purpose of this study is to evaluate the impact of compliance with enhanced recovery after surgery (ERAS) program on patient reported outcomes (PROs), surgery-specific outcomes and stress response after pancreatic surgery. This prospective observational study will include all consecutive patients undergoing pancreatic surgery over a period of three years …
Bariatric Surgery and Pharmacokinetics of Amlodipine
Changes to gastric pH, gastric emptying time, gastrointestinal transit-time or the pre-systemic metabolizing effect of enzymes secreted in the mucosa may all alter the pharmacokinetics of medicines. These factors are potentially influenced by bariatric surgery. Little is so far known about how gastric bypass and sleeve gastrectomy impacts the biological …