Found 64,920 clinical trials
Microbes and Respiratory Illnesses
This study is called the Microbes and Respiratory Illnesses (MARI) Study. Children growing up on farms are exposed to many types of microbes that could be beneficial. It is thought that increased exposure to certain types of microbes early in life helps to develop a healthy immune system and reduce …
Clinical Research of Intravenous Thrombolysis for Ischemic Stroke in Northeast of China
This research is based on clinic treatment of intravenous thrombolysis for patients with acute ischemic stroke.By building up a database of these patients, the investigators aim to find some significance between groups by analyzing population information, clinical status and such for better evaluation and optimal treatment decision.
Immune Regulation in Chronic Aspergillus Infection After COVID-19 Infection
This study aims to collect clinical cases and follow-up data from patients with chronic pulmonary aspergillosis, post-COVID-19 aspergillosis, and post-COVID-19 patients without aspergillosis. Using in vitro assays, we will measure the phagocytic function of neutrophils when stimulated by fungal hyphae, their ability to produce neutrophil extracellular traps (NETs), the expression …
Prospective Observational Study on Incidence of Invasive Fungal Infections Among Patients With Acute Lymphoblastic Leukemia Ph-negative
The study aims to evaluate incidence of invasive antifungal infections among patients with acute lymphoblastic leukemia Ph negative during the first weeks of treatment
Bone Metastases Database of Patients Treated Surgically for Impending or Pathologic Fracture of Long Bones
The aims of this study are to collect prospective data on the natural history of bone metastases (BMs) and skeleta related events (SREs),
Genetic and Molecular Risk Profiles of Pediatric Malignant Brain Tumors in China
Primary malignant central nervous system (CNS) tumors are the second most common childhood malignancies. Amongst, medulloblastomas are the most common malignant brain tumor of childhood and occur primarily in the cerebellum. According to molecular characteristics, medulloblastomas were classified into four subtypes: WNT, SHH, Group3 and Group4 and different prognosis were …
Pathogenic Study of Adult Immune Enteropathies
The study focuses the mechanisms underlying the loss of intestinal homeostasis in celiac disease, refractory celiac disease and other immune diseases such as monogenic enteropathy, inflammatory bowel diseases or drug induced intestinal diseases. Mechanisms of transformation of lymphocytes leading to onset of lymphomatous complications of immune enteropathies will be investigated. …
A Natural History Study of the Gangliosidoses
Hypothesis: To characterize and describe disease progression and heterogeneity of the gangliosidosis diseases. This research study seeks to develop a quantitative method to delineate disease progression for the gangliosidosis diseases (Tay-Sachs disease, Sandhoff disease, and GM1 gangliosidosis) in order to better understand the natural history and heterogeneity of these diseases. …
The Value Electrical Stapedial Reflex Thresholds (eSRTs) Cochlear Implant Mapping
One of the most significant challenges in cochlear implant programming, particularly for very young children and those with an associated pathologies, is the measurement of subjective comfort levels (= C-Subjective). Currently, to define this C-Subjective level, patients are presented with a loudness scale and must indicate whether the sound stimulus, …
Diagnostic and Prognostic Biomarkers for High-impact Chronic Pain: Development and Validation
To identify diagnostic and prognostic biomarker signatures of recovery versus having persisting high-impact chronic pain and functional disability in adults with Chronic Musculoskeletal Pain.