Found 64,783 clinical trials
Clinical Validation and Benchmarking of Top Performing ctDNA Diagnostics - Colorectal Cancer
Improving personalized cancer treatments and finding the best strategies to treat each patient relies on using new diagnostic technologies. Currently, for colorectal cancer, the methods used to decide who gets additional post-surgery treatment are suboptimal. Some patients get too much treatment, while others do not get enough. There is a …
Twins Born in Guangzhou
The 2-BIG is a twin birth cohort study located in Guangzhou, China.Its initial aim is to facilitate research on understanding the interplay between genes and environmental factors on disease etiology. Data are collected regarding environmental, family and lifestyle exposures on twins from birth to 18 years old. Biological samples including …
Effect of Different Treatments on the Prognosis of Early Cervical Cancer: A Multicenter, Prospective, Real-world Study
To observe the effects of different treatments on the oncological outcome and complications of early cervical cancer (2018 FIGO stage IA1 with lymphovascular space invasion and IA2-IIA2 cervical cancer). This study prospectively collecting enrolled cervical cancer patients clinical data and outcome from June 2020 to June 2025. (Classification factors: preoperative …
Application of Radiomics in Breast Cancer
Little is known about the correlation between ultrasound characteristics (conventional, elastography and contrast enhanced ultrasound (CEUS) )and pathological prognostic factors in breast cancer. The aim of this study was to explore the correlation between ultrasound characteristics and pathological prognostic factors using radiomics.
Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors
The purpose of this study is to test if visualizing the heart with cardiac MRI/echo will be important in the understanding cardiac function and prediction of cardiopulmonary symptoms, physical effort tolerance, and outcomes in COVID-19 survivors. If successful, the research will allow us to identify the causes of lasting cardiopulmonary …
Tissue Procurement and Natural History Study of People With Non-Small Cell Lung Cancer, Small Cell Lung Cancer, Extrapulmonary Small Cell Cancer, Pulmonary Neuroendocrine Tumors, and Thymic Epithelial Tumors
Background Lung cancer is the leading cause of cancer-related death worldwide. It causes more than one million deaths every year. Researchers want to gather tissue samples from people with lung and thymic cancers to understand the disease better. This may lead to new ways to diagnose and treat it. Objective …
China Takayasu Arteritis Registry (CTA Registry)
Takayasu arteritis (TA) is a chronic large-vessel vasculitis that mainly affects the aorta and its major branches. The epidemiology and pathophysiology of TA is still unclear in China, although many studies have been done. Our previous study supporting by National Natural Science Foundation of China indicated the cytokines such as …
Online Study of People Who Have Genetic Changes and Features of Autism: Simons Searchlight
Simons Searchlight is an observational, online, international research program for families with rare genetic variants that cause neurodevelopmental disorders and may be associated with autism. Simons Searchlight collects medical, behavioral, learning, and developmental information from people who have these rare genetic changes. The goal of this study is to improve …
Genetics of Insulin and Incretins in Cystic Fibrosis
Cystic fibrosis related diabetes (CFRD) is associated with worse CF-relevant outcomes. The mechanisms underlying CFRD development are not fully understood, but recent evidence suggests Type 2 Diabetes Mellitus (T2DM) mechanisms may be involved and may involve incretins (gut secreted hormones that augment insulin secretion in response to a nutrient load). …
GENERATE - Next GENERATion of GynEcological Surgery - Robotic Assisted Surgery in Gynecological Indications
GENERATE - Next GENERATion of GynEcological Surgery - Robotic Assisted Surgery in Gynecological Indications Generate real-world evidence in the use of the da Vinci Surgical Systems for gynecological indications within the German health care system.