Clinical trials: Epidemiology
Prevalence
Epidemiological Study on Anemia and Iron Deficiency in Pregnancy in Medical Institutions in Some Areas of China
The purpose of this study is to describe the prevalence of anemia and iron deficiency in pregnancy through a multi-center, prospective follow-up study .
- Trial name
- NCT04486456
- Volunteers
- 20,000 people
- Sponsor
- Peking University First Hospital
Healthy Volunteers
Epidemiology of Human Cytomegalovirus Excretion in the Saliva of Children Attending Nursery in France
Direct DNA amplification, viral isolation and specific antibody measurement in saliva from children attending nursery in France Sample collection will be done by the pediatrician the nurse, or one of the authorized investigators…
- Trial name
- CrèchMV (NCT01704222)
- Where
- France
- Volunteers
- 2,001 people, healthy volunteers welcome
- Sponsor
- University Hospital, Limoges
Type 2 Diabetes, Vascular Calcification
Coronary Artery Calcification in Type 2 Diabetes Mellitus (USCAC Study)
Coronary artery calcification (CAC) is a common complication of type 2 diabetes mellitus(T2DM), which can significantly increase all-cause mortality and the incidence of serious cardiovascular events, and increase the burden of…
- Conditions
- Type 2 Diabetes, Vascular Calcification, Coronary Artery Calcification, Strains
- Trial name
- NCT04889053
- Where
- China
- Volunteers
- 1,400 people
- Sponsor
- University of South China
Myeloproliferative Neoplasm, Polycythemia Vera
Asian Myeloproliferative Neoplasm (MPN) Registry
This is a multinational, multicenter, prospective and retrospective, observational, cohort study of patients with myeloproliferative neoplasm.
- Conditions
- Myeloproliferative Neoplasm, Polycythemia Vera, Essential Thrombocythemia, Post-polycythemia Vera Myelofibrosis
- Trial name
- NCT05882773
- Where
- Hong Kong
- Volunteers
- 1,000 people
- Sponsor
- The University of Hong Kong
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
Non Small Cell Lung Cancer
Epidemiological Study to Evaluate the Prevalence of Epidermal Growth Factor Receptor (EGFR) Mutation Status in Patients With Newly Diagnosed Locally Advanced or Metastatic Non Small Cell Lung Cancer (NSCLC)
To estimate the prevalence of EGFR mutation in a representative sample of patients with newly diagnosed stage IIIB/IV NSCLC in Spain (predominantly Caucasian ethnicity).
- Trial name
- Spanish REASON (NCT01081496)
- Where
- 24 sites in Spain
- Volunteers
- 1,000 people
- Sponsor
- AstraZeneca
Atopic Dermatitis Eczema, Atopic Dermatitis
Trends in the Epidemiology and Treatment of Atopic Dermatitis in the United Kingdom (UK)
Atopic dermatitis (AD), commonly called eczema, is one of the most frequently occurring skin conditions. It is estimated to affect around one fifth of children in developed countries and is also becoming increasingly common in…
- Conditions
- Atopic Dermatitis Eczema, Atopic Dermatitis, Eczema
- Trial name
- NCT03823794
- Testing
- No intervention
- Where
- United Kingdom
- Volunteers
- 148,166 people, healthy volunteers welcome
- Sponsor
- Momentum Data
Lymphoproliferative Disorders, Premalignant
Familial B-cell Lymphoproliferative Disorders
This study investigates families with at least two cases of B-cell lymphoproliferative disorders (LPD), and evaluates the prevalence of LPD in families, the relationship between medical history, genetic factors, and the risk of…
- Conditions
- Lymphoproliferative Disorders, Premalignant, Monoclonal B-Cell Lymphocytosis, Chronic Lymphocytic Leukemia
- Trial name
- Familial_LPD (NCT05718986)
- Testing
- No intervention
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Haifa
Staphylococcus Aureus
A Prospective Cohort Pilot Study of the Clinical and Molecular Epidemiology of Staphylococcus Aureus in Pregnant Women at the Time of Group B Streptococcal Screening in a Large Urban Medical Center in Chicago, IL USA
Background: Community acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is an emerging pathogen of the 21st century whose incidence as a cause of local and invasive infections has significantly increased, especially…
- Trial name
- NCT00532324
- Testing
- CA-MRSA Decolonization
- Where
- United States
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
Cancer
Epidemiology and Prognostic Analysis of Chinese Cancer Patients With Cancer-related Fatigue
This investigator-initiated study aims to evaluate the incidence and severity of cancer-related fatigue (CRF) in patients with malignant tumors, to analyze the influencing factors of CRF, and to explore its impact on anti-tumor…
- Trial name
- NCT07656324
- Testing
- No Interventions
- Where
- China
- Volunteers
- 1,000,000 people
- Sponsor
- Fudan University
Hepatitis B, Hepatitis C
Epidemiology of Hepatitis B, C and Delta in Reunion Island
Viral hepatitis B, C and Δ represent a global public health problem for which France was very early mobilized. Despite this, in its foreword, the Dhumeaux report on "Management of people infected with hepatitis B or hepatitis C…
- Conditions
- Hepatitis B, Hepatitis C, Hepatitis D
- Trial name
- HEPEPID (NCT03362866)
- Volunteers
- 2,000 people
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
Serogroup C Meningococcal Meningitis, Diphtheria
Sero-epidemiological Survey of England in 2019/2020 - COVID-19
This is a pilot study to assess the feasibility of establishing a national sero-epidemiological survey in England in individuals aged 0-24 years, focusing on assessing humoral immunity against diphtheria, Group C invasive…
- Conditions
- Serogroup C Meningococcal Meningitis, Diphtheria, COVID-19
- Trial name
- STORY (NCT04061382)
- Testing
- Venepuncture, Oral fluid swab
- Where
- United Kingdom
- Volunteers
- 2,963 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Bipolar Disorder
An Epidemiological Registry Study to Evaluate Clinical Practice Treatment in Patients With Bipolar Disorder
The aim of this study is to describe the treatment pattern and patient characteristics in real life setting in patients with Bipolar disorder treated with Seroquel XR and/or Seroquel IR in Sweden.
- Trial name
- REED (NCT01455961)
- Volunteers
- 16,000 people
- Sponsor
- AstraZeneca
COVID-19, Long COVID
CORona (COVID-19) Follow Up Study: Epidemiology, Pathophysiology, Prediction, and Communication
The CORFU study, funded by ZonMW, is a prospective, multiple, cohort study with a maximum follow-up of 24 months after COVID-19.
- Conditions
- COVID-19, Long COVID, Post COVID-19 Condition
- Trial name
- CORFU (NCT05240742)
- Testing
- no intervention, the CORFU study conducts analyses based on data which has been prospectively collected (and aggregated when possible) in 7 existing cohorts
- Where
- Netherlands
- Volunteers
- 4,291 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
COVID-19, Critical Illness
Epidemiological and Clinical Characteristics of Critically Ill Patients With COVID-19
Objective of this observational multicentric retrospective-prospective study is to describe the number and the characteristics of patients with Reverse Transcription Polymerase Chain Reaction (RT-PCR) for SARS-CoV2 positivity…
- Trial name
- 2019nCoV_ICU (NCT04388670)
- Where
- Italy
- Volunteers
- 1,500 people
- Sponsor
- Policlinico Hospital
Effectiveness of Antimicrobial Impregnated Scrubs in a Healthcare Setting
Pilot Study to Determine the Effectiveness of Antimicrobial Healthcare Worker's (HCW) Hands and Clothing
This is a pilot study to determine the effectiveness of antimicrobial scrubs on bacterial burden of HCW's hands and clothing in a clinical setting.
- Trial name
- NCT00971373
- Testing
- Vestagen scrubs
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Neuro-ophthalmological Conditions
Understanding Vision Problems Linked to the Brain and Nerves in People Seen at Our Eye Clinic
The reason for the recognised lack of epidemiological data of all NO conditions presenting to eye departments is attributed to the fact that they often fall in the grey zones between neuro-ophthalmologists, neurosurgeons and…
- Trial name
- ESNOPED-UK (NCT07711886)
- Testing
- No Intervention: Observational Cohort
- Volunteers
- 840 people
- Sponsor
- The Royal Wolverhampton Hospitals NHS Trust
HIV -1 Infection
Analyses of Newly Diagnosed HIV Infection in Hong Kong
The goal of the project is to determine the epidemiologic status and changing patterns of HIV infection in Hong Kong. The main question it aims to answer is: what is the molecular pattern and burden of HIV-1 infections over the…
- Trial name
- NCT07725042
- Where
- Hong Kong
- Volunteers
- 720 people
- Sponsor
- Chinese University of Hong Kong
Epidemiologic Data of Some Synthetic Cannibinoids Toxicity in Patients Presenting at Assiut University Hospital, Psychiatric Hospital of Ministry of Health), Proportion of Acute and Chronic Abusers of Synthetic Cannibinoids Among Cases of Illicit Drugs Abuser in Studied Sites
Acute and Chronic Toxicity of Some Synthetic Cannabinoids in Assiut Psychiatric Hospitals
Synthetic cannabinoids (SCs) are new human-made mind-altering chemicals which are similar to chemicals found in the marijuana plant; they are recent to be used recreationally, especially by young adults.
- Trial name
- NCT03866941
- Testing
- causes of abuse synthetic cannibinoids
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
Kallmann Syndrome
A Study to Characterize Epidemiology, Clinical and Genetic Features of Kallmann Syndrome in Finland
Objective is to characterize epidemiology, clinical and genetic features of Kallmann syndrome in Finland.
- Trial name
- NCT00623116
- Testing
- Short withdrawal of testosterone, gonadotropins or estrogenic compounds (see below)
- Where
- Finland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hospital for Children and Adolescents, Finland