a, a N Clinical Trials
A listing of a, a N clinical trials actively recruiting patients volunteers.
Found 2490 clinical trials
A Study of miRNA 371 in Patients With Germ Cell Tumors
This trial studies whether the blood marker micro ribonucleic acid (miRNA) 371 can predict the chance of cancer returning in patients with germ cell cancers. Studying samples of blood from patients with germ cell cancers in the laboratory may help doctors predict how likely the cancer will come back.
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- 05 Aug, 2020
COVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History Study
Participants will get an ID code and a link to an online survey. They will complete the online survey within a week of the phone survey. Participants will complete a series of online surveys over 24 months.
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- 05 Aug, 2020
Ambulance Calls for Substance Use and Alcohol in a Pandemic (ASAP)
The Primary objective is to explore ambulance service attendance at incidents involving alcohol and/or substance use over the period of the pandemic lockdown, and the following months. This will be to determine prevalence and explore factors such as patient gender, age, ethnicity or location. Analysis will examine the calls over …
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- 05 Aug, 2020
INTEGRAL Study: A Longitudinal Study of Surgeries and Lasers in Glaucoma: Long-term Results and Success Predictors Analysed From a Large-scale Retrospective and Prospective Glaucoma Register
The study is an observational analysis of patients' medical data recorded in a large-scale register, both retrospective (for patients operated and data recorded before 2018) and prospective (for data collected after 2018) in nature.Patients' medical data contained in the register will be analysed to determine the efficacy of the treatments …
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- 05 Aug, 2020
A Prospective Cohort of Pulmonary Ground Glass Nodules Patients With Family History.
The aim of the present prospective cohort study (GGN-F) is to study the family aggregation of pulmonary ground glass nodules via the questionnaire survey and to investigate the underlying genetic mechanism via the biobank.
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- 16 Feb, 2024
- 1 location
A Study of Immune Responses to the Virus That Causes COVID-19
The purpose of this study is to learn more about the acute response to infection with and recovery from the virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Some people know this virus by the name "coronavirus." It can cause the disease called COVID-19. The information gained from the …
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- 16 Feb, 2024
- 59 locations
A Study to Confirm the Accuracy of Locally Advanced Gastric Cancer Diagnosis
Inspired by JCOG1302-A, this multicentre study prospectively collect data in preoperative TNM staging assessment using CT(computed tomography, CT) scan and the postoperative TNM (pTNM) staging according to histopathologically examination.
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- 05 Aug, 2020
A Clinical Study to Map the HLA Genomic Region in the Greek Population (GENESIS)
The aim of GENESIS clinical study is to map the HLA genomic region in the Greek population and evaluate possible correlations with selected underlying diseases.
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- 29 Jan, 2024
- 3 locations
Assessment of Lifestyle Blood Pressure Cholesterol and Glycated Hemoglobin in a Specific Population
Lifestyle assessment, blood pressure and cholesterol in the population of Libbs Farmacutica employeesLTDA.; consists of a study that will bring knowledge and enable quantificationof risk factors related to cardiovascular diseases in this population above mentioned.
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- 16 Feb, 2024
- 1 location
A Comparative Study of Mammography and Ultrasound for Breast Cancer Screening and Early Diagnosis
Improving the early diagnosis of breast cancer can reduce mortality. With mammography as the main tool for screening early breast cancer, the characteristics of dense breast and young onset of disease in Chinese women lowers the efficiency. The aim of this prospective study was to compare which method, x-ray or …
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- 16 Feb, 2024
- 1 location