Found 64,778 clinical trials
The Changes Under Different Accommodation of Anterior Eye and 3D Crystal Reconstruction.
Accommodation is defined as a dynamic change in the overall refractive power of the eye during near fixation. Despite extensive investigations, the exact nature of human accommodation remains controversial. And recent alternative theories question the original concept of accommodation.Different experts have put forward different hypotheses. The age-related changes that underlie …
Translation and Validation of Chinese COMPAT-SF
The goal of this observational study is to translate, adapt, and test the reliability of a Chinese version of the Comprehensive Pain Assessment Tool Short Form (COMPAT-SF) for people with chronic pancreatitis. The study will answer these questions: Does the Chinese COMPAT-SF work well to measure pain in people with …
The PODIUM Study - a Three-arm Comparison of Target Therapies After Anti-TNFα in Ulcerative Colitis
The goal of this observational study is to compare the real-life effectiveness and safety of vedolizumab, ustekinumab and JAK inhibitors in patients with UC who had been exposed to at least one anti-TNF-alpha therapy.
Insomnia in Patients With Metastatic Lung Cancer
This study evaluates how common insomnia (difficulties with sleep) is in patients with lung cancer that has spread from where it first started (primary site) to other places in the body.
Real-World Data Collection of the GORE® VIABAHN® VBX Balloon Expandable Endoprosthesis When Used in Covered Endovascular Reconstruction of the Aortic Bifurcation (CERAB) to Treat Aortoiliac Occlusive Disease
The study will assess the safety and effectiveness of the GORE® VIABAHN® VBX Balloon Expandable Endoprosthesis ("VBX Device" or also referred to as "VBX Stent Graft") in a post approval setting and evaluate the quality of the use in covered endovascular reconstruction of the aortic bifurcation (CERAB) to treat Aortoiliac …
Feasibility of Cough Monitoring in Children
Cystic fibrosis (CF) is a disease characterized by chronic airway infection and impaired mucociliary clearance, which predisposes those affected to recurrent pulmonary exacerbations (PEx) and progressive decline in lung function. Treatment with elexacaftor/tezacaftor/ivacaftor (ETI) results in decreases in patient-reported cough and PEx. Despite this, increased cough remains the most common …
Phenotype and Multi-omics Analysis of Children With Congenital Diarrhea and Enteropathy in China
This study will establish a clinical cohort of children with congenital diarrhea and enteropathy (CODE), mine biomarkers of CODE through multi-omics technology and construct a clinical risk prediction model.
Long-term Treatment With Ustekinumab in Patients With Crohn's Disease and Ulcerative Colitis: a Cohort Study
Monocentric observational retrospective/prospective pharmacological study. Clinical records of patients with Ulcerative Colitis and Crohn's Disease who started therapy with Ustekinumab between February 2019 and March 2021 at the IBD Unit will be reviewed. The main objective is to evaluate the overall persistence of patients with Crohn's Disease and Ulcerative Colitis …
External Validation of Prediction Algorithm Using Non-invasive Monitoring Device for Intraoperative Hypotension
The goal of this prospective observational study is to externally validate the prediction algorithm using non-invasive monitoring device for intraoperative hypotension. The main question it aims to answer is: Does the prediction algorithm predict intraoperative hypotension effectively?
Mpox Prospective Observational Cohort Study
The goal of this multicentre prospective observational cohort study is to shed light on the following unknowns: The clinical manifestations of Mpox infection since the 2022 outbreak in Canada. The social and psychological impacts of Mpox infection since the 2022 outbreak in Canada The transmissibility of Mpox infection Viral shedding …
