Found 64,783 clinical trials
Practice of Oxygenation and Respiratory Support During Fiberoptic Bronchoscopy
The current practice of oxygenation and/or ventilation supports in patients undergoing Fiberoptic Bronchoscopy is very heterogeneous among studies published in the literature; in addition, clear outcomes advantages of one strategy over another currently lack. The goal of this observational study is to describe the current practice of oxygenation and/or ventilation …
Longitudinal Study for Eosinophilic Granulomatosis With Polyangiitis
Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare immune system disorder that causes asthma, an excessive number of eosinophils (a type of white blood cell) in the blood, and the inflammation of blood vessels, or vasculitis. In order to properly treat EGPA, it is critical that the level of disease …
Chinese PD-SNCA Registry
The purpose of the Chinese PD-SNCA Registry(CPD-SNCAR) is to develop a database of patients of Parkinson's disease with a-synuclein (SNCA) gene variants in mainland China.
Comorbidity After Gastric Bypass
To evaluate effect on comorbid disease and weight loss in the long-term (>five years) after Roux-en-Y gastric bypass (RYGB) surgery for severe obesity.
Treatment Outcomes Under a Standardized Treatment Protocol in Patients Suffered Substance Abuse Related Voiding Dysfunction
With the increase of substance abuse over the world, substance abuse e.g. ketamine and methamphetamine related voiding dysfunction is becoming an important medical problem. However, while the clinical manifestation of the condition is becoming better defined, the underlying pathophysiology is still poorly understood. Moreover, majority of the current treatment is …
Pediatric Pertussis in Ambulatory Settings
Since 2002, Whooping cough surveillance in pediatric private practice has been set up in France. The results of the first years, 2002-2006, have confirmed the effectiveness of the Pertussis whole-cell (Pw) vaccine and in particular the duration of protection of 9/10 years. After evaluating cases in children vaccinated with Pw …
Evaluation and Treatment of Neurosurgical Disorders
Objective: This protocol is designed to allow evaluation of participants neurosurgical disorders that receive care within the Surgical Neurology Branch. The participants will receive standard-of-clinical-care evaluation and treatment. The clinical data and samples generated during standard of care treatment will be collected as a part of this study. Study Population: …
China Adrenal Disease Registry
Epidemiologic studies have revealed a tremendous increase in the prevalence of adrenal associated disease and related mortality worldwide. In order to meet all the therapeutic challenges in adrenal disease in China, CASE was founded in 2020. The objective of CASE is to launch an adrenal disease management model based on …
Parkinson's Foundation PD GENEration Genetic Registry
Development of a central repository for PD-related genomic data for future research.
Development of Novel Gastric Cancer Screening and Diagnosis Technologies Using Tongue Imaging and Study of Tongue Image Changes Mechanisms
In this study, we will prospectively recruit 100,000 individuals, including gastric cancer patients who have not undergone any anti-tumor treatment and non-gastric cancer participants. We will construct a diagnostic model for malignant tumors based on the combination of tongue imaging, tongue coating, saliva, and fecal multi-omics data (including metagenomics, proteomics, …