Found 64,778 clinical trials
Arlington Aging Study
The goal of this observational study is to learn about the mechanisms causing functional decline with age, using exercise science, neuroscience, and remote monitoring. Specific aims include: Aim 1: Advance knowledge of the biology of aging and its impact on the prevention, progression, and prognosis of disease and disability. Aim …
NIEHS Repository of Stored Biological Samples for Future Use
Background Laboratory tests that use blood and urine can provide a great deal of information about human health and disease. To develop even better tests and to improve the ways samples are handled for testing researchers need to experiment with samples from healthy people. Objective This natural history study will …
Vital Signs Collection Via "Comestai" App
The purpose of the study is to verify and validate the parameters collected from mobile devices via the app named "Comestai" and from reference devices. The assessments considered to define comorbidities are included.. Specifically, collection of vital parameters (Blood Pressure, Heart Rate, Respiratory Rate, Oxygen Saturation) through the "Comestai" Application …
Pictorial Fit-Frail Scale in Adults Admitted to the ICU in a Tertiary Center- an Observational Prospective Study
Understanding the frailty levels of critically ill patients using the PFFS at time of admission to ICU. Exploring any associations between frailty, other prognostic factors, and patient outcomes.
Community Screening Study of Diabetic Retinopathy in Tianjin in 2024
Through this study, the investigators hope to understand the prevalence and influencing factors of diabetic retinopathy in Tianjin, improve the ability of complication detection and intervention in diabetic patients in primary medical and health institutions, and build a diabetes prevention and treatment network. The investigators should adhere to the policy …
Epidemiological and Pathophysiological Insights Through a Cross-sectional Survey (EPIC)
This study aims to better understand how mpox is spreading in the DRC, how it affects different groups of people, and how well vaccines protect against it. The study is designed as a cross-sectional survey, meaning researchers will collect and analyze data from patients diagnosed with mpox at a single …
"ADE Fibrinogen/RBC" Ratio on Mortality and Outcome in Massive Transfusion Patients
Our study focuses on the transfusion of blood and blood products in cases of major bleeding, including massive transfusion scenarios where repeated doses of packed red blood cells (PRBC), fresh frozen plasma (FFP), cryoprecipitate, and fibrinogen concentrate are administered. Each of these blood products contains varying amounts of fibrinogen. Previous …
Interactions Between Environmental Exposures and Gut Microbiota in Early Life
Recruit the mothers and their infants who bron in Peking University People's Hospital from 2023 to 2026, to evaluate the interaction between environmental exposure and gut microbiota.
Artificial Intelligence System for Early Warning of Adverse Events in Acute Myocardial Infarction
The goal of this observational study is to learn about the effectiveness of an artificial intelligence-based early warning system for predicting adverse events in patients with acute myocardial infarction (AMI). The main question it aims to answer is: Does an AI-based early warning system improve the assessment and prediction of …
Clinical and Immunological Outcomes of Living and Deceased Donor Transplantation
This is a retrospective, prospective, single-centre, non-pharmacological observational study. The primary objective is to investigate the long-term prognosis of the kidney transplant function of different types of donors.