Found 490 clinical trials
Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study
This protocol describes a prospective cohort study. It addresses an important challenge in the prevention of colorectal cancer: how to safely and effectively remove large polyps.
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- 19 Feb, 2024
Natural History of Medullary Thyroid Cancer to Inform Advanced Disease Management
This study utilizes a multi-institutional registry to describe the natural history of medullary thyroid cancer that has spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced) in understanding disease management. The goal of this study is to learn about how medullary …
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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. New RASopathies are being diagnosed frequently. This pathway is essential in the regulation of the cell cycle and the determination of cell function. Thus, appropriate function …
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- 19 Feb, 2024
Slovenian National COVID-19 Prevalence Study
The investigators are conducting a national COVID-19 prevalence survey on a sample of 3,000 inhabitants that were randomly selected from the Slovenian population. The sample is representative in age, gender, and geographical distribution. The main objective is to assess how many people in Slovenia have COVID-19 in April/May 2020 and …
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- 19 Feb, 2024
COVID-19 Infection and Multiple Myeloma
Collect in an observational study the outcomes of COVID19 infection in MM patients across Europe.
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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. The main purpose of this study is to measure antibodies to SARS-CoV-2, symptoms, and risk factors in a representative cohort of children and adolescents in …
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- 19 Feb, 2024
The Multi-Ethnic Lifestyle Study
The study design is cross-sectional using a self-completion questionnaire in an English speaking multi-ethic population within Leicester and Leicestershire. The study will adopt a convenient and purposive sampling recruitment strategy across a variety of settings within Leicestershire to facilitate recruitment of a wide range of participants.
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- 19 Feb, 2024
Endometrial Cancer Conservative Treatment (E.C.Co). A Multicentre Archive
Approximately one fourth of cases of endometrial cancer (EC) are diagnosed in premenopausal women, of whom approximately 40% wish to preserve their fertility. When arising in young women, EC usually presents with favorable prognostic features, as a focal, well differentiated endometrioid tumor, with minimal or absent myometrial invasion. This profile …
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- 19 Feb, 2024
COVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History Study
Background The SARS-CoV-2 virus has caused a pandemic infection called COVID-19. It is a global threat to people, communities, and health systems. Researchers are concerned about the mental health effects of the pandemic. They want to learn more about how it is affecting people s alcohol use and problems, and …
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- 19 Feb, 2024
Oxaliplatin Adjuvant Chemotherapy After Curative Resection of Primary Colon Cancer
According to general medical guidelines, adjuvant chemotherapy is used after curative resection of high-risk stage II or III primary colon cancer. However, there exist limitations using clinical trial data acquired from highly selected subjects in a controlled environment. For example, patients aged over 70 years old were in many cases …
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- 19 Feb, 2024