Clinical trials: Prevalence
Asthma, Rhinitis
Screening Scottish Swimmers for Asthma and Rhinitis
The Scottish National and District swimming teams will be screened for asthma and rhinitis using both mannitol challenge and sport-based exercise challenge.
- Trial name
- CLE004 (NCT00831428)
- Testing
- no intervention
- Where
- United Kingdom
- Volunteers
- 97 people
- Sponsor
- Brian J Lipworth
ADHD
Observational Study to Assess the Frequency of Lidocaine Ineffectiveness in Hard-to-treat ADHD
This work will assess the prevalence in hard-to-treat ADHD of the ineffectiveness of the anesthetic Lidocaine.
- Trial name
- NCT04167189
- Testing
- Lidocaine gel
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- PhenoSolve, LLC
Cerebrotendinous Xanthomatosis (CTX)
Cerebrotendinous Xanthomatosis (CTX) Prevalence Study
Iiopathic bilateral cataracts occur in many children with Cerebrotendinous Xanthomatosis (CTX) so the opportunity to use contact with health care providers in connection with pediatric cataract evaluation and treatment is a…
- Trial name
- NCT02638220
- Where
- 44 sites in United States
- Volunteers
- 442 people
- Sponsor
- Travere Therapeutics, Inc.
Pertussis
Pertussis Infection in Adolescents and Adults With Prolonged Cough
This study aims to determine the burden of pertussis infection among adolescents and adults with prolonged cough in four Asian countries, namely Malaysia, Philippines, Taiwan and Thailand.
- Trial name
- NCT01597687
- Testing
- Blood collection, Data collection
- Where
- 7 sites in Malaysia, Taiwan and 1 more
- Volunteers
- 337 people
- Sponsor
- GlaxoSmithKline
HIV Infections, Tuberculosis
Characteristics and Prevalence of Tuberculosis and HIV in Masiphumelele Township, Cape Town, South Africa
The purpose of this study is to determine the number of people infected with tuberculosis (TB) in the Masiphumelele Township of Cape Town, South Africa, a community with high rates of TB and HIV.
- Trial name
- NCT00346476
- Where
- 2 sites in South Africa
- Volunteers
- 1,250 people, healthy volunteers welcome
- Sponsor
- CIPRA SA
Priapism, Anemia, Sickle Cell
Priapism in Boys and Men With Sickle Cell Disease - Demographics, Characteristics and Prevalence
Priapism, a prolonged erection of the penis, is a medical issue that often affects men with sickle cell disease. The purpose of this study is to collect demographic and clinical information on priapism by interviewing men with…
- Trial name
- NCT00300235
- Where
- 27 sites in United States
- Volunteers
- 1,464 people
- Sponsor
- University of Texas Southwestern Medical Center
Human Papillomavirus
Prevalence of Genital HPV Infection in Males Following Introduction of Universal Male HPV Vaccination
This study will examine how common HPV infection is in teenage males in Australia before and after the introduction of universal school based vaccination of males in Australia.
- Trial name
- Impress (NCT02003508)
- Where
- Australia
- Volunteers
- 345 people, healthy volunteers welcome
- Sponsor
- The Alfred
Congenital Sucrase-isomaltase Deficiency (CSID)
Congenital Sucrase-Isomaltase Deficiency (CSID) Genetic Prevalence Study (GPS)
Congenital sucrose-isomaltase deficiency (CSID) is a rare, genetic disease in which mutations in the sucrose-isomaltase (SI) gene cause digestion problems of sucrose resulting in diarrhea and abdominal pain.
- Trial name
- CSID GPS (NCT01914003)
- Where
- 19 sites in United States
- Volunteers
- 53 people
- Sponsor
- QOL Medical, LLC
Hyperbilirubinemic Encephalopathy
Determining Prevalence of Acute Bilirubin Encephalopathy in Developing Countries
The investigators hypothesize that a new BIND (Bilirubin Induced Neurologic Dysfunction) scoring method adapted for the developing world (BIND II, developed by our team for use by health care workers), with additional…
- Trial name
- NCT01754688
- Where
- Nigeria
- Volunteers
- 624 people
- Sponsor
- University of Minnesota
Congenital Heart Disease
Study of Possible Brain Hormone Problems After Open Heart Surgery in Infants
The goal of this study is to evaluate specific hormone levels in children undergoing heart surgery in order to identify patterns associated with any unstable vital signs.
- Trial name
- NCT00850720
- Testing
- Blood draws
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Emory University
Hydrocephalus
Strata Programmable CSF Shunt Valve Study
The treatment of hydrocephalus is the most time consuming, and arguably the most important role of the pediatric neurosurgical service at most children's' hospitals.
- Trial name
- NCT02737163
- Where
- United States
- Volunteers
- 95 people
- Sponsor
- Johns Hopkins All Children's Hospital
Acute Injury in Mountain Biking
Prevalence of Acute Injuries in Amateur and Elite Mountain Bikers
The investigators intented to assess the prevalence of acute injuries in amateur and elite mountain bikers.
- Trial name
- NCT03690219
- Testing
- no intervention
- Where
- Switzerland
- Volunteers
- 99 people
- Sponsor
- University of Applied Sciences and Arts of Southern Switzerland
Scabies, Head Lice
Impact of Community Scabies Treatment on Head Lice Prevalence in the Solomon Islands
This is a pilot study evaluating if treatment for scabies also treats headlice in the same community
- Trial name
- NCT03236168
- Testing
- Ivermectin, Permethrin 5%
- Where
- Solomon Islands
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Influenza, Human
Prevalence, Strain Circulation and Disease Burden Study of Seasonal Influenza A and B in Panama, Selected Countries of Central America and the Caribbean From the Year 2010 to 2015
The purpose of this study is to assess the prevalence, strain circulation and disease burden of seasonal Influenza A and B in Panama, selected countries of Central America and the Caribbean from the Year 2010 to 2015.
- Trial name
- NCT02885246
- Testing
- Data collection
- Where
- Panama
- Volunteers
- 1,839 people
- Sponsor
- GlaxoSmithKline
Second Mesiobuccal Canal, Maxillary First and Second Molars
Prevalence of Second Mesiobuccal Canal of Maxillary First and Second Molars Among Egyptian Population
a cross-sectional study to estimate the prevalence of a second mesiobuccal canal of maxillary first and second molars in Egyptian population using cone beam computed tomography through retrospective data analysis
- Trial name
- CBCT (NCT03225573)
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Vitamin D Status, Healthy
Comparison of the Efficacy of Calcium-cholecalciferol Foodstuffs and Calcium-cholecalciferol Supplement
This study is conducted in two phases. At the first phase, the prevalence of vitamin D insufficiency in primary school-children in Tehran is determined during the cold seasons of 2008.
- Trial name
- NCT00864539
- Testing
- fortified milk, plain milk, fortified orange juice
- Volunteers
- 585 people, healthy volunteers welcome
- Sponsor
- National Nutrition and Food Technology Institute
Streptococcus Pneumoniae Infections
Prevalence of Nasopharyngeal Carriage of Streptococcus Pneumoniae in Healthy Children of 12-18 Months in 6 Cities, China
This study is to observe the carriage rate of Streptococcus pneumoniae (S.p.), Haemophilus influenzae Type B (Hib) and Moraxella catarrhalis (M.Cat.) in healthy Chinese children aged 12-18 months in order to estimate the…
- Trial name
- NCT00952367
- Testing
- Nasopharyngeal swab
- Where
- 6 sites in China
- Volunteers
- 3,641 people, healthy volunteers welcome
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Femoroacetabular Hip Impingement Syndrome
Prevalence of Femoroacetabular Impingement in Asymptomatic Patients
Femoroacetabular hip impingement syndrome is a newly recognized cause of early arthritis of the hip. In this condition a variation in the shape of the upper thigh bone causes it to repeatedly come in contact with the hip socket…
- Trial name
- NCT00606047
- Testing
- Magnetic resonance imaging (MRI)
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
HIV
HIV-Tb Confections Among HIV Patients
A cross sectional study would be done for prevalence of HIV-Tb. co infection among patients of HIV enrolled at ART centre, Khagaria, India, during June' 2015 to May' 2016.
- Trial name
- NCT02964767
- Where
- India
- Volunteers
- 219 people
- Sponsor
- Singh, Ranjan Kumar, M.D.