Clinical trials: Epidemiology
Barotrauma Epidemiology
Diver Ear, Nose and Throat Barotrauma Epidemiology
Ear, nose and throat barotrauma are the most frequently encountered accidents during diving. One study related to recreational diving reports that ENT barotrauma concern 10% of dives with experimented divers and 30% with novice…
- Trial name
- BTORL PAF (NCT04647591)
- Testing
- Questionnaires
- Where
- 7 sites in France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
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
Occupational Therapy, Epidemiology
Interactive Self-Management Augmented by Rehabilitation Technologies
Background: Stroke is a leading cause of long-term disability in the US. Mild stroke comprises half of stroke hospital admissions, but most people with mild stroke receive no rehabilitation services.
- Conditions
- Occupational Therapy, Epidemiology, Neurologic Disorder
- Trial name
- iSMART (NCT04743037)
- Testing
- iSMART
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Washington University School of Medicine
Extracorporeal Membrane Oxygenation, Cardiopulmonary Resuscitation
Cross-sectional Survey of Zhejiang ECMO Application
Extracorporeal lung oxygenation (ECMO) was first used in neonates in the 1970s and is now widely used to treat adult patients with intractable shock and respiratory failure who have failed various types of conventional life…
- Conditions
- Extracorporeal Membrane Oxygenation, Cardiopulmonary Resuscitation, Epidemiology
- Trial name
- NCT04979325
- Where
- China
- Volunteers
- 1 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Staphylococcus Aureus, Wound Infection, Surgical
Staphylococcus Aureus Surgical Site Infection Multinational Epidemiology in Europe
This is a retrospective multinational, multicenter cohort study with a nested case-control. The study includes all surgical procedures performed at a participating site to prevent bias. Data will be assessed in two populations.
- Conditions
- Staphylococcus Aureus, Wound Infection, Surgical, Epidemiology
- Trial name
- SALT (NCT03353532)
- Where
- 14 sites in France, Germany and 3 more
- Volunteers
- 178,902 people
- Sponsor
- University of Cologne
Atrial Fibrillation, Epidemiology
Natural History and Patient Journey in Atrial Fibrillation: a Nationwide Linked Electronic Health Records Study of 5.6 Million Individuals.
The trajectory of atrial fibrillation (AF) patients within the national health system and their recent temporal trends remains to be fully elucidated.
- Trial name
- NCT04786366
- Testing
- The study does not have an intervention, but observe the AF incidence of the UK disease-free population
- Volunteers
- 5,601,803 people
- Sponsor
- University College, London
Crohn's Disease, Ulcerative Colitis
Epidemiology of Inflammatory Bowel Disease in the Songpa-Kangdong District, Seoul, Korea.
The purpose of this study is to evaluate the incidence, prevalence, clinical characteristics and prognosis of Crohn's disease and ulcerative colitis over time in a district of Seoul, Korea.
- Conditions
- Crohn's Disease, Ulcerative Colitis, Epidemiology, Korea
- Trial name
- NCT01731665
- Where
- South Korea
- Volunteers
- 2,000 people
- Sponsor
- Asan Medical Center
Aging, Refusal, Treatment
Opposition to Diagnostic or Therapeutic Procedures by Aged Hospitalized Patient
The main object is to identify and understand why some hospitalized aged patients oppose himself to treatment or diagnosis procedure. This mixed study will used a census in a geriatrics department and a qualitative research.
- Conditions
- Aging, Refusal, Treatment, Qualitative Research, Epidemiology
- Trial name
- OPTAH (NCT03373838)
- Testing
- Census
- Where
- France
- Volunteers
- 35 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Dementia, Alzheimer, Electronic Health Records, Hospitalizations, Epidemiology, Comorbidity, United Kingdom, Incidence, Mortality, Cause of Death
Natural History and Patient Journey in Dementia: a Nationwide Linked Electronic Health Records Study of 5.6 Million Individuals.
The trajectory of dementia patients within the national health system and their recent temporal trends remains to be fully elucidated.
- Trial name
- NCT04321486
- Testing
- The study does not have an intervention, but observe the dementia incidence of the UK disease-free population.
- Volunteers
- 4,309,481 people, healthy volunteers welcome
- Sponsor
- University College, London
Covid-19, Coronavirus, Angiotensin Converting Enzyme Inhibitors, Influenza, Electronic Health Records, Epidemiology, Comorbidity, Incidence, United Kingdom
The Use of Angiotensin Converting Enzyme Inhibitors and Incident Respiratory Infections, Are They Harmful or Protective?
The study use UK based linked electronic health records from the Clinical Research Datalink (CALIBER) of 5.6 million individuals to conduct a matched case-control study to investigate the incidence of influenza in individuals…
- Trial name
- NCT04322786
- Testing
- ACE inhibitor
- Volunteers
- 1,302,508 people
- Sponsor
- University College, London
Epidemiology, Industrial Hygiene
Association of Formaldehyde Exposure to Myeloid Leukemia in Workers in Guangdong, China
Background: Research suggests that occupational exposure to formaldehyde is associated with increased risk for myeloid leukemia, but the significance of these findings is uncertain because of inconsistencies among studies and…
- Conditions
- Epidemiology, Industrial Hygiene, Neoplasms
- Trial name
- NCT01338285
- Where
- China
- Volunteers
- 94 people
- Sponsor
- National Cancer Institute (NCI)
Industrial Hygiene, Epidemiology
Cancer Markers Associated With Occupational Exposure to Trichloroethylene
Background: Trichloroethylene (TCE) is a solvent used in many medical and industrial processes. TCE is a carcinogen (causes cancer) in rats, but its carcinogenicity in humans is unclear.
- Conditions
- Industrial Hygiene, Epidemiology, Neoplasms
- Trial name
- NCT00481611
- Where
- China
- Volunteers
- 125 people
- Sponsor
- National Cancer Institute (NCI)
Respiration, Artificial, Epidemiology
Mechanical Ventilation Epidemiology in Argentina.
How is the epidemiology of mechanically ventilated patients in the intensive care units of Argentina?
- Trial name
- EpVAr2019 (NCT04107467)
- Where
- 154 sites in Argentina
- Volunteers
- 950 people
- Sponsor
- Argentinian Intensive Care Society
Achromobacter, Epidemiology
Achromobacter Spp: Description of Epidemiology and Resistance in Chronic Ear Infections and in Healthy Individuals.
Hearing loss can be the result of chronic ear infections. The role of bacteria of the genus Achromobacter is not known in these conditions.
- Conditions
- Achromobacter, Epidemiology, Chronic Ear Infection
- Trial name
- AERIO (NCT04483232)
- Testing
- Ear canal swab
- Where
- France
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Epidemiology
Juvenile Idiopathic Arthritis in Children in Estonia.
Aims of the study: to study the incidence rate of juvenile idiopathic arthritis (JIA) and it's clinical subtypes in Estonia for the years 1998-2000; to examine the course and short-term clinical outcome of JIA.
- Trial name
- NCT01905319
- Testing
- Blood collecting for storage of samples
- Volunteers
- 162 people
- Sponsor
- University of Tartu
Validation Study, Diet Surveys
National Cancer Institute Food Study
Information about Americans food choices and opinions helps researchers and law makers to develop policies and programs to promote health.
- Conditions
- Validation Study, Diet Surveys, Nutritional Assessment, Epidemiology
- Trial name
- NCT00978406
- Where
- United States
- Volunteers
- 83 people
- Sponsor
- National Cancer Institute (NCI)
HIV, AIDS
A Semi-Factorial Cluster-Randomized Trial to Estimate the Effect Size of Community Mobilization and VCT Vans on the Adoption of Voluntary Counseling and Testing (VCT) Services in Andhra Pradesh, India: THE MCVCT STUDY
With an estimated 2.5 million HIV-infected persons, India is home to one of the largest populations of HIV-infected persons in the world.
- Conditions
- HIV, AIDS, Epidemiology, Prevention
- Trial name
- NCT01160575
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Leptospirosis, Intensive Care Unit
Severe Leptospirosis in Non-tropical Areas
Leptospirosis is a worldwide zoonosis. The mortality of the disease is between 3,6% to 13%, and up to 48% for the severe leptospirosis.
- Conditions
- Leptospirosis, Intensive Care Unit, Epidemiology, Alveolar Hemorrhage
- Trial name
- LEPTOREA (NCT03912506)
- Where
- 36 sites in France
- Volunteers
- 160 people
- Sponsor
- Nantes University Hospital
Epidemiology
Human Movement Patterns on the Thailand-Myanmar Border
The epidemiology and ecology of malaria in humans includes complex interactions between human hosts and mosquito vectors. These interactions are spatio-temporal in nature and are heavily dependent on transportation capabilities…
- Trial name
- NCT03087214
- Where
- Thailand
- Volunteers
- 54 people
- Sponsor
- University of Oxford
Bone and Joint Infection, Bacterial Infections
Microbiological Epidemiology in Patients Experiencing Microbiological or Clinical Failure Following Reimplantation After a 2-stage Exchange Strategy for Hip or Knee Prosthetic Joint Infection
This study concerns patients having had an infection on their prosthesis (hip, knee,..) and for whom a 2-step exchange of prosthesis has been done.
- Conditions
- Bone and Joint Infection, Bacterial Infections, EPIDEMIOLOGY
- Trial name
- NCT03627000
- Testing
- failure after reimplantation
- Volunteers
- 114 people
- Sponsor
- Hospices Civils de Lyon