a, a N Clinical Trials
A listing of a, a N clinical trials actively recruiting patients volunteers.
Found 1890 clinical trials
Dresden Corneal Disease and Treatment Study
corneal cross-linking) is performed, in case of disease progression. Overall, a long-term follow up is needed to evaluate an early disease progression as well as corneal stability after surgical intervention.
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- 19 Feb, 2024
Longitudinal Study of Seroprevalence of SARS-CoV-2 Antibodies and Development of Immunity in School Children
There is a lack of knowledge about how many children are infected with SARS-CoV-2, how often they are asymptomatic, and how long the immunity persists.
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- 19 Feb, 2024
RASopathy Biorepository
The RASopathies are a group of developmental disorders caused by genetic changes in the genes that compose the Ras/mitogen activated protein kinase (MAPK) pathway.
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- 19 Feb, 2024
National Survey of Workplace Violence
A random sampling will be performed in all 32 provinces, municipality or autonomous regions in the mainland of China. It is assumed that acceptable 95% confidence interval is P4%, and the sample size under the condition of simple random sampling is 600 persons.
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- 19 Feb, 2024
Motivations and Barriers to Participating in Ophthalmology Research Projects
The primary objective of this project is to understand the reasons why patients agree / disagree to take part in ophthalmology research. This will be done by asking participants to complete a Research Questionnaire.
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- 19 Feb, 2024
Registry of Asthma Patients Initiating DUPIXENT
The primary objective of the study is to characterize the patients who initiate treatment for asthma with DUPIXENT in a real-world setting. The secondary objectives of the study are: To characterize real-world use patterns of DUPIXENT for asthma To assess the long-term effectiveness of DUPIXENT in asthma patients in a …
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- 19 Feb, 2024
COVID-19 CHAMPS Study of Healthcare First Responder and Service Workers
CHAMPS will obtain data on various exposure factors and health and create a registry of participants for extended follow up and sub-studies.
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- 19 Feb, 2024
The Global PCHF-COVICAV Registry
Background: Coronavirus disease (COVID-19) is a tremendous challenge the modern world has never seen before and is overwhelming the capacities of healthcare systems worldwide. Patients with cardiovascular diseases, heart failure in particular, and cardiovascular risk factors seem to be at a very high risk if affected by COVID-19 - and …
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- 19 Feb, 2024
Prospective Cohort Study of Disease and Outcomes in Cirrhosis
A population based incidence cohort will enroll patients newly diagnosed with cirrhosis to investigate disease characteristics and outcomes, explore mechanisms predicting early death and hospital admission, and assess new monitoring tools in treatment and prevention of cirrhosis.
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- 19 Feb, 2024
BESPOKE Study of ctDNA Guided Therapy in Colorectal Cancer
Patients will be followed for up to two years with periodic whole blood collection. The study also has a control arm that will consist of matched Stage II or Stage III CRC cases that have a minimum of least 2 years clinical follow-up data.
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- 19 Feb, 2024