a, a N Clinical Trials
A listing of a, a N clinical trials actively recruiting patients volunteers.
Found 2490 clinical trials
COronary and MICrocirculatory Measurements in Patients With Aortic Valve Stenosis.
Subsequently, when these patients undergo a post-intervention (whether SAVR or TAVI) evaluation 6 months after valve replacement, the effect of valve replacement on FFR, RFR and IMR will be determined.
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- 16 Feb, 2024
- 1 location
Effect of Pre-existing Adjacent Segment Degeneration on Long-term Effectiveness After Lumbar Fusion Surgery
This is a prospective single-center study. Patients requiring posterior lumbar interbody fusion (PLIF) for lumbar degenerative disease are prospectively enrolled and followed.
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- 16 Feb, 2024
- 1 location
Greek Study for Endovascular Repair of Ruptured Abdominal Aortic Aneuryms
This will be a non-randomized, prospective, observational multi-center research study. Its purpose will be to assess the mortality and outcome of EVAR in patients with rAAA.
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- 05 Aug, 2020
Cellular Immunity, Neuroendocrine, and Inflammatory Factors for Clinical Prognosis in Acute Coronary Syndrome
For 2 years, all eligible patients admitted with a diagnosis of ACS to the Coronary Care Unit of the Hospital de Clínicas José de San Martín in Buenos Aires will be registered consecutively.
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- 23 Jul, 2024
Description of Patients With Type 1 Diabetes Treated With Teplizumab (TEPLI-REAL)
Type 1 diabetes mellitus (T1D) is a chronic autoimmune disease caused by the destruction of pancreatic β cells. T1D pathogenesis progresses through several stages: Stage 1 T1D includes the presence of β cell autoimmunity and thus presence of islet autoantibodies, without the presence of dysglycemia and symptoms.
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- 25 Apr, 2025
Evaluation of Long-term Incidence of Ventricular Arrhythmias in Patients With Acute Myocarditis
Signs of heart failure (dyspnea, reduced resilience, tendency to edema), thoracic pain, palpitations / arrhythmias / syncope, as well as (potentially) lethal clinical conditions in the sense of a cardiogenic shock or sudden cardiac death can be found. In 2015, the European Society of Cardiology (ESC) gave a IIa recommendation …
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- 16 Feb, 2024
- 1 location
New Daily Persistent Headache Biomarkers Study
New daily persistent headache is a debilitating syndrome which is seldom researched, poorly understood, and without effective treatments. Chronic migraine is a more common but similarly disabling disorder.
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- 16 Feb, 2024
- 1 location
Determinants of SARS-COV2 (COVID-19) Persistence After Convalescence
The investigators will enroll 250 people who had COVID-19 based on lab testing to participate. Participants will complete a survey at enrollment. The investigators will also collect blood, nose swab, saliva, stool, semen, and breast milk to test for the virus.
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- 01 Feb, 2023
Obstructive Sleep Apnea Syndrome In Patients Treated For Cancer Of The Upper Aerodigestive Tract
Prospective open-label, non-randomized, monocentric, cohort study, to assess the prevalence and severity of sleep apnea syndrome in patients treated for cancer of the upper aerodigestive tract. The patient follows a usual course of care including, at the end of the treatment of his cancer of the upper aerodigestive tract, screening …
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- 16 Feb, 2024
- 1 location
Identify Specific Peripheral Blood Mononuclear Cell (PBMC) MiRNA as Biomarkers for Inflammatory Bowel Disease (IBD)
In this study, we try to find miRNAs that can used to diagnose or monitor progression of IBD by exploring differential expression of miRNAs in peripheral blood mononuclear cells (PBMCs) from Crohn's disease, ulcerative colitis and healthy controls. And we further validate these miRNAs in a larger population to assess …
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- 16 Feb, 2024
- 1 location