Clinical trials: Epidemiology
Chilblains, COVID-19
COVID-19 and Chilblains
Chilblains (inflammatory lesion of the feet or hands) have been reported with an unusual frequency during the confinement period, most commonly in children, teenagers and young adults.
- Trial name
- ECCES (NCT04455308)
- Testing
- Biological sample collection
- Where
- 5 sites in France
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Rennes University Hospital
Bladder Cancer
Genetic Susceptibility to Bladder Cancer
This clinical research study will identify biologic and lifestyle factors which increase a person's risk of developing specific cancer.
- Trial name
- NCT00848289
- Testing
- Interviews
- Where
- 2 sites in United States
- Volunteers
- 6,086 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Pain, Postoperative
Epidemiology Study and Risk Factor Analysis on Chronic Post-surgical Pain After Video-assisted Thoracic Surgery
This study is a nationwide multi-center study to investigate the incidence and risk factors of chronic post-surgical pain (CPSP) after receiving video-assisted thoracic surgery (VATS).
- Trial name
- NCT05473728
- Where
- China
- Volunteers
- 886 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Malaria, Malaria Vaccines
Epidemiology Study of Malaria Transmission Intensity in Sub-Saharan Africa
This epidemiology study was conducted in parallel with the EPI-MAL-002 (NCT02374450) and EPI-MAL-003 (NCT03855995) studies, enrolling participants from the same health and demographic surveillance system (HDSS) (or equivalent…
- Trial name
- NCT02251704
- Testing
- Assessment of body temperature, Blood sampling
- Where
- 12 sites in Burkina Faso, Ghana and 4 more
- Volunteers
- 54,115 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Cardiovascular Diseases, Atherosclerosis
Epidemiology of Coronary Artery Calcification
Using subjects from the Rochester Family Heart Study (RFHS), to characterize predictors of coronary artery calcification (CAC), a potent marker of atherosclerosis, among individuals from the general population.
- Conditions
- Cardiovascular Diseases, Atherosclerosis, Coronary Arteriosclerosis, Heart Diseases
- Trial name
- ECAC (NCT00005349)
- Volunteers
- 1,736 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Biliary Tract Cancer
A Questionnaire Survey for Biliary Tract Cancers
The purpose of this study is: To evaluate risk factors for cancers of the biliary tract by registering new patients and their counterparts in a multi-center program Development of programs by creating a multi-center biliary tract…
- Trial name
- NCT04731220
- Where
- South Korea
- Volunteers
- 12,000 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Chilgok Hospital
Tuberculosis, Latent Tuberculosis
The Epidemiology of TST Change in Korea
TST will be analyzed in young general population in Korea. Young adults undertake TST as CDC recommendation. Participants with chest radiograph showing active TB lesion are excluded from this study.
- Trial name
- NCT01850043
- Where
- South Korea
- Volunteers
- 5,552 people, healthy volunteers welcome
- Sponsor
- Asan Medical Center
Sport Injury
Epidemiology of Injuries Caused by the Practice of Artificial Structure Climbing
This study aims to precisely describe epidemiology of injuries than occur during practice of climbing in artificial structure. Each participant will complete questionnaires in order to identify injuries.
- Trial name
- EPITRAUMABLOC (NCT05111587)
- Testing
- Questionnaire
- Where
- Reunion
- Volunteers
- 266 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
Lichen Sclerosus
Genital Lichen Sclerosus - Epidemiology, Comorbidities and the Role of Vulvar and Penile Microbiome
In genital LSc, three pathological processes are implicated in disease development: inflammation, sclerosis/fibrosis and neoplasia. The role of genital microbiome is still to be investigated and explained.
- Trial name
- NCT05671263
- Where
- Sweden
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Region Jönköping County
To Evaluate Lower Urinary Tract Symptoms (LUTS) in Poland
The Prevalence of Lower Urinary Tract Symptoms (LUTS) in Poland
The first large population-based study to evaluate lower urinary tract symptoms (LUTS) in Poland. The study objective is to assess the prevalence and bother of LUTS in the population aged ≥40 years in Poland.
- Trial name
- NCT04121936
- Testing
- There will be no intervention
- Where
- Poland
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Jagiellonian University
Hepatic Encephalopathy, Minimal Hepatic Encephalopathy
A Prospective Cohort Study on the Epidemiological Investigation, Diagnosis, and Treatment of Hepatic Encephalopathy
Purpose Hepatic encephalopathy (HE) is a serious complication of liver cirrhosis that can cause memory loss, slow reaction, and even coma.
- Conditions
- Hepatic Encephalopathy, Minimal Hepatic Encephalopathy, Liver Cirrhosis
- Trial name
- NCT07612670
- Testing
- wechat mini-program
- Where
- China
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Keloid
Epidemiology Study of Keloid
Although keloid is a very common condition; there are no statistics as to its true incidence and prevalence, neither in United States, nor elsewhere in the world.
- Trial name
- NCT01423383
- Where
- United States
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Tirgan, Michael H., M.D.
Influenza
High-Dose Influenza Vaccine in Nursing Homes
The purpose of this study is to prospectively evaluate relative effectiveness of high dose influenza vaccine in preventing influenza mortality, hospitalization, and functional decline in a nursing home population in the U.S.…
- Trial name
- NCT01815268
- Testing
- HD Vaccine, SD Vaccine, Free Vaccine
- Where
- 3 sites in United States
- Volunteers
- 823 people, healthy volunteers welcome
- Sponsor
- Insight Therapeutics, LLC
Hallux Valgus and Bunion
Epidemiology of Bunion and Risk Factors
Analysis of the collected data to determine: Prevalence. Risk factors. Radiological and clinical patterns and their association with specific risk factors Of Hallux Valgus
- Trial name
- NCT06335459
- Testing
- epidemiology
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Assiut University
Prostate Cancer
Epidemiologic, Clinical and Genetic Profile of Prostate Cancer in Arab Countries
This protocol is designed to collect a small amount of blood and tissue from individuals with prostate cancer for extraction of DNA (genetic material) for the study of the genetic basis of prostate cancer.
- Trial name
- ProstateCA (NCT00801996)
- Where
- Qatar
- Volunteers
- healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Hearing Impairment
Epidemiology of Non-syndromic Dominant Deafness
Hearing impairment is a common disorder that affects at least 7% of individuals in our countries. Even the causes of hearing impairment are numerous, genetic causes represent the main factor of sensorineural deafness.
- Trial name
- SURDOM (NCT01150305)
- Testing
- blood sample
- Where
- France
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
General Population, Spirometric Data, Medical Records
Epidemiologic Analysis for the Prevalence of Chronic Airway Diseases in Old Population
Aim: To evaluate the spirometric data and the prevalence of chronic airway disease in old population (> 60 yrs) in Korea. List to do 1. History taking 2. physical examination 3. Routine blood test 4. All spirometric data 5.
- Trial name
- NCT01211054
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Chonbuk National University
Simian Foamy Virus Infection (Disorder)
Simian Foamy Virus Transmission to Humans
About three quarters of the viral agents that have emerged recently in humans are considered to originate from other animals. These viruses have often evolved and spread into the human population through various mechanisms after…
- Trial name
- NCT03225794
- Testing
- Simian foamy virus Infection
- Where
- Cameroon
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
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
Carotid Artery Atheroma, Cardiovascular Risk Stratification
Randomized Controlled Trial on Carotid Atherosclerosis Screening in Asymptomatic Smokers and Hypertensive Adults: Prevalence and Impact on Cardiovascular Prevention
Title of the study: Carotid Atherosclerosis Screening: Epidemiological Profile and Preventive Intervention. Objective: The main objective of this study is to characterize and identify the prevalence of carotid atherosclerosis in…
- Trial name
- CAROTID-CARE (NCT06848283)
- Testing
- Carotid ultrasonography
- Volunteers
- 4,780 people, healthy volunteers welcome
- Sponsor
- Universidade do Porto