Clinical trials: Epidemiology
Radiologically Isolated Syndrome, Epstein-Barr Virus Infections
Environmental Risk Factors in Multiple Sclerosis Development: Epidemiological Study of EBV Infection and Vitamin D Deficiency in RIS Patients
This is an ancillary study using samples collected in the ProBioRIS cohort (NCT06395662). The aim of the project is to highlight new biomarker candidates to assess the risk of conversion to clinically definite multiple sclerosis…
- Trial name
- RIS - EBVD (NCT07256431)
- Testing
- Antibiody titration
- Where
- France
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
Different Classes of the Antihypertensive Treatment
Egypt Hypertension Study
This study is an epidemiological non-interventional trial that aims to evaluate standard daily practice in managing patients with arterial hypertension.
- Trial name
- NCT02604771
- Where
- Egypt
- Volunteers
- 1,500 people
- Sponsor
- AstraZeneca
Sars-CoV2, Cancer
Prospective Analysis of Morbi-mortality of Patients With Cancers in Active Phase of Treatment Suspected or Diagnosed of a SARS-CoV-2 Infection
National multicentre epidemiological study to describe retrospectively and prospectively the clinical outcomes of patients with a suspected coronavirus infection (either confirmed or not) while receiving a medical treatment for…
- Trial name
- ONCOVID-19 (NCT04363632)
- Where
- 18 sites in France
- Volunteers
- 1,231 people
- Sponsor
- Centre Leon Berard
Cardiovascular Diseases, Obesity
Genetic Epidemiology and Energy Metabolism in Black Girls
To investigate the role of genes and energy metabolism in the pathogenesis of obesity in adolescent Black girls.
- Trial name
- NCT00014872
- Volunteers
- 600 people
- Sponsor
- University of New Mexico
Schistosomiasis Mansoni, Circulating Cathodic Antigen Urine Based Dipstick
Evaluation of the Use of a Urin Test Strip to Determine the Spread of Schistosoma Infections in Areas Where Schistosomiasis Infections Are Low in Kenya
The purpose of this study is to evaluate the use of a urine test strip in diagnose schistosoma mansoni in areas of Kenya where the rate of infections are low.
- Trial name
- NCT00463307
- Where
- Kenya
- Volunteers
- 1,100 people
- Sponsor
- DBL -Institute for Health Research and Development
COVID-19, Cognitive Decline
Study of Epidemiologic Investigation and Mechanism of Brain Network of Otologic and Cognitive Function With Post-COVID-19
The purpose of this study was to analysis the incidence of ear symptoms, cognitive function decline and emotional disorders in Chinese people who were infected with COVID-19, exploring the impact of COVID-19 on the auditory…
- Conditions
- COVID-19, Cognitive Decline, Otological Disease
- Trial name
- COVID-19 (NCT05787301)
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Psychotic Disorders
Epidemiology Study of Psychosis
Purpose Psychotic disorders (including schizophrenia) are complex neurobehaviour disorders influenced by genetic, neurodevelopmental, neurochemical, as well as psychosocial factors.
- Trial name
- NCT01423669
- Where
- China
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Von Hippel Lindau Disease, Kidney Neoplasms
Von Hippel-Lindau Disease Genetic Epidemiology Study
The Von Hippel-Lindau (VHL) Disease Genetic Epidemiology Study is a family-based case-control study to be conducted by the National Cancer Institute.
- Trial name
- NCT00001803
- Where
- United States
- Volunteers
- 546 people
- Sponsor
- National Cancer Institute (NCI)
Primary Sclerosing Cholangitis
PSC Clinical Epidemiology in China
Primary sclerosing cholangitis (PSC) is a rare disease but is increasingly reported in China (mainly in the Chinese language). However, most of the PSC literatures reported from China are case reports, small case series, and…
- Trial name
- NCT04981756
- Testing
- observation
- Where
- 3 sites in China
- Volunteers
- 800 people
- Sponsor
- Beijing Friendship Hospital
Epilepsy
Risk Factors and Etiologies of Epilepsy in Urban and Rural Rwanda
Epilepsy is one of the most common chronic brain disorders. Up to 85% of persons living with epilepsy (PwE) live in the developing world. In sub-Saharan Africa (SSA), Rwanda has one of the highest prevalence rates (±5%).
- Trial name
- REpiCa (NCT05698537)
- Testing
- EEG, Neuroimaging, Blood sample
- Where
- Rwanda
- Volunteers
- 1,745 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Sepsis
Epidemiology of Sepsis in China
Sepsis is a common cause for morbidity and mortality in critically ill patients. In USA, the incidence of sepsis is about 3/1000 population. However, the incidence of sepsis varies among different clinic trails.
- Trial name
- NCT02448472
- Testing
- Observational study, none intervention
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Jianfeng Xie
Kidney Diseases, Obesity
Epidemiologic Data of Patients in a Teaching Hospital
This small cross-sectional epidemiological study is designed to evaluate the prevalence of the following parameters in hospitalized patients in a tertiary teaching hospital (medical department only): kidney insufficiency obesity…
- Trial name
- NCT00114335
- Where
- Switzerland
- Volunteers
- 352 people
- Sponsor
- Luzerner Kantonsspital
Central Nervous System Infections and Inflammations
Meningitis Encephalitis: a Metagenomics-Based Etiology & Epidemiology Research
Autoimmune encephalitis (AE) is caused by abnormal immune response mediated by autoimmune antibodies of patients, which can be detected by a serial of autoimmune antibodies[4,5,6,7].
- Trial name
- MEMBER (NCT04724876)
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Beijing Tongren Hospital
Coronavirus
At Home Monitoring for Patients With Covid19
The vast majority of individuals with Covid19 have mild illness that can be managed in the outpatient setting. A small but significant number of these people will deteriorate and require hospitalization.
- Trial name
- NCT04453774
- Testing
- Covidfree@home
- Where
- 2 sites in Canada
- Volunteers
- 432 people
- Sponsor
- University Health Network, Toronto
COVID-19, Neonatal Disease
Characteristics of Neonatal Covid-19 in Turkey
The investigators aimed to investigate the clinical and epidemiological characteristics of neonates who will be born to Covid-19 positive mothers in Turkey.
- Conditions
- COVID-19, Neonatal Disease, Healthy
- Trial name
- NCT04401540
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Pancreas Injury, Child, Only
Epidemiology, Management and Complications Related to Pancreatic Trauma in Children
The aim of this study is to better evaluate the treatment and development of children and adolescents who have had a pancreatic trauma and who are being followed in Belgian hospitals.
- Trial name
- PANC-TRAUMA (NCT04016506)
- Testing
- nutritional questionnaire
- Where
- 3 sites in Belgium
- Volunteers
- 150 people
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Melanoma, Dysplastic Nevus Syndrome
Clinical, Laboratory, and Epidemiologic Characterization of Individuals and Families at High Risk of Melanoma
This study will investigate how genetic and environmental factors contribute to the development of melanoma, a type of skin cancer, and related conditions.
- Trial name
- NCT00040352
- Where
- 2 sites in United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Cardiovascular Diseases, Heart Diseases
Epidemiology of Cardiovascular and Non-Cardiovascular Risk In Chicago
To continue the comprehensive research program on the epidemiology of cardiovascular and other major chronic diseases, including cancer and diabetes, in four Chicago population cohorts.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Coronary Disease, Cerebrovascular Disorders
- Trial name
- NCT00005140
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Bronchiolitis, Acute Bronchiolitis
Risk Factors and Severity of Bronchiolitis in Hospitalized Children at Assiut University Hospital
The purpose of this observational study is to identify the risk factors that make bronchiolitis more severe in infants and toddlers.
- Conditions
- Bronchiolitis, Acute Bronchiolitis, Respiratory Syncytial Virus Infection
- Trial name
- NCT07505420
- Volunteers
- 65 people
- Sponsor
- Assiut University
Rheumatoid Arthritis
A Study to Observe Characteristics of Rheumatoid Arthritis in Patients Using Infliximab (Study P04250)
This 14-week non-interventional study will observe patients with rheumatoid arthritis (RA) who are being treated with infliximab for the first time, in order to learn about their disease characteristics.
- Trial name
- REMARK (NCT00705289)
- Testing
- Infliximab
- Volunteers
- 728 people
- Sponsor
- Merck Sharp & Dohme LLC