Clinical trials: Prevalence
Functional Gastrointestinal Disorders
Prevalence of Functional Gastrointestinal Disorders (FGIDs), Related Signs and Symptoms in Infants/Toddlers in Thailand
Prevalence and impact of Functional Gastrointestinal Disorders (FGIDs) and Related Signs and Symptoms in Infants and Toddlers in Thailand
- Trial name
- GI_Planet (NCT03608735)
- Where
- Thailand
- Volunteers
- 7,908 people, healthy volunteers welcome
- Sponsor
- Danone Asia Pacific Holdings Pte, Ltd.
Epilepsy
A Study of the Prevalence of Headache in Epileptic Patients
The purpose of this study is to investigate the prevalence, characteristics and classification of headaches in epileptic patients.
- Trial name
- NCT00277368
- Testing
- A structured questionnaire for seizure-related headache
- Volunteers
- 719 people
- Sponsor
- Janssen Korea, Ltd., Korea
Human Papillomavirus Infection
An Observational Study on the Prevalence of Human Papillomavirus Types in Women in the Kingdom of Bahrain
The purpose of this study is to determine the Human Papillomavirus (HPV) prevalence and HPV type distribution among women ≥ 20 years of age attending routine cervical screening and among women ≥ 16 years of age presenting for…
- Trial name
- NCT01205412
- Testing
- Endocervical samples
- Where
- Bahrain
- Volunteers
- 552 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Viral Hepatitis Vaccines, Hepatitis A
Seroprevalence Study of Hepatitis A, Varicella-Zoster, Cytomegalovirus, Herpes Simplex and Bordetella Pertussis
The purpose of this study is to determine the seroprevalence of Hepatitis A Virus (HAV), Varicella-Zoster virus (VZV), Cytomegalovirus (CMV), Herpes Simplex (HSV) and Bordetella pertussis (BP)infections in Mexico.
- Conditions
- Viral Hepatitis Vaccines, Hepatitis A, Cytomegalovirus, Varicella-Zoster Virus
- Trial name
- NCT01160081
- Testing
- Serum sample
- Where
- Mexico
- Volunteers
- 3,658 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Gastroesophageal Reflux
Prevalence of Gastroesophageal Reflux During Childhood and Teenage Years in France
The purpose of this study is to assess prevalence of gastrooesophageal reflux during childhood and teenage years in France and to describe patients'symptoms and gastrooesophageal reflux management
- Trial name
- NCT00681837
- Where
- 25 sites in China
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Renal Insufficiency, Chronic
Bringing Knowledge About Chronic Kidney Disease in Brazil: Filling the Gap
This is a multicenter cross-sectional study will randomly screen kidney function in adult patients with known risk factors for chronic kidney disease (CKD) within the Brazilian general population.
- Trial name
- Filling gap (NCT07103629)
- Where
- Brazil
- Volunteers
- 8,428 people
- Sponsor
- AstraZeneca
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
Infection
Assessing Prevalence Of Beta Lactamase Production From Clinical Isolates Of Hospitalized Patients And Comparison Of Antibiotic Susceptibility Patterns
EGAST 2008 is a prospective, non interventional, multicentric study (approximately 2000 isolates from 15- 20 sites). Objectives: Comparison of antimicrobial susceptibility using disc-diffusion method Assessing prevalence of…
- Trial name
- EGAST 2008 (NCT00728624)
- Where
- 12 sites in India
- Volunteers
- 2,039 people
- Sponsor
- Pfizer
Adenosine Deaminase Deficiency
Investigation of ADA Enzyme Deficiency
This observational study was designed as a prospective epidemiological screening study. Patients who applied to the centers participating in the study and were found to be lymphopenic in at least one examination will be included…
- Trial name
- NCT05300334
- Testing
- adenosine deaminase test
- Where
- Turkey (Türkiye)
- Volunteers
- 800 people
- Sponsor
- TRPHARM
Hemophilia A, Hemophilia
Prevalence of Inhibitor Development in Hemophilia A Patients Receiving Coageight: A Multicenter Cross-sectional Observational Study
This is a cross-sectional, observational, multi-center study to assess the prevalence of inhibitor development in hemophilia A patients receiving Coageight (rFVIII-Fc, AryoGen Pharmed Co.).
- Trial name
- NCT07791836
- Testing
- efmoroctocog alfa
- Where
- 6 sites in Iran
- Volunteers
- 262 people
- Sponsor
- AryoGen Pharmed Co.
Prostate Cancer, Osteoporosis
Prevalence of Osteoporosis in Korean Prostate Cancer Patients Who is Receiving LHRH Agonist and/or Anti-androgen Agent
Prevalence rate of osteoporosis and it's actual management condition in Prostate cancer patients who takes LHRH antagonist and anti androgen
- Trial name
- NCT01025479
- Where
- 18 sites in South Korea
- Volunteers
- 829 people
- Sponsor
- AstraZeneca
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
Japanese Encephalitis
Monitoring JE Antibody Levels in Healthy Populations and Immunization Strategy in Low-Prevalence Areas
This study aims to assess the neutralizing antibody levels and prevalence risk of Japanese encephalitis among residents in low-endemic areas, as well as to evaluate the immunogenicity, safety, and immune persistence of the…
- Trial name
- NCT06678373
- Testing
- Liaoning Chengda Inactivated Japanese Encephalitis Vaccine
- Where
- China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Liaoning Chengda Biotechnology CO., LTD
Severe Asthma
Prevalence of the Eosinophilic Phenotype Among Severe Asthma Patients
The purpose of this cross-sectional, multicenter study is to determine the prevalence of an eosinophilic phenotype of blood eosinophil count ≥ 300 cells/mm3 among severe asthma patients who attend to sites specialized in the…
- Trial name
- PREPARE (NCT03931954)
- Where
- 18 sites in Argentina, Chile and 4 more
- Volunteers
- 794 people
- Sponsor
- AstraZeneca
Alopecia Areata, Depressive Episode
The Epidemiology, Management, and the Associated Burden of Related Conditions in Alopecia Areata
This study series consists of four related studies and aims to explore and describe many important elements of alopecia areata over three key areas: (1) the current epidemiology of alopecia areata, (2) the prevalence and…
- Conditions
- Alopecia Areata, Depressive Episode, Recurrent Depressive Disorder, Anxiety Disorders
- Trial name
- NCT04239521
- Testing
- Exposure of interest (studies 2 & 3).
- Where
- United Kingdom
- Volunteers
- 51,955 people
- Sponsor
- Momentum Data
Breast Cancer
UNFOLD Study Egypt
Breast cancer is a major public health concern worldwide. In Egypt, it was the most diagnosed cancer among females in 2020 with an incidence rate of 32.4%.
- Trial name
- NCT06188494
- Where
- 7 sites in Egypt
- Volunteers
- 405 people
- Sponsor
- AstraZeneca
Severe Asthma
BRazilian Asthmatics Patients EOSinophilic Profile (BRAEOS)
Asthma is a complex and heterogeneous disease. Severe asthma is recognised as a major unmet need that poses a great burden on the healthcare system.
- Trial name
- BRAEOS (NCT03925415)
- Where
- 6 sites in Brazil
- Volunteers
- 414 people
- Sponsor
- AstraZeneca
Gaucher Disease, Splenomegaly
A National Study in Patients With Unexplained Splenomegaly
Primary Objective: To estimate the prevalence of Gaucher disease and of other etiologies, in patients of 15 years old or more presenting with unexplained splenomegaly after exclusion of first intention-diagnoses (e.g.
- Trial name
- SMS (NCT04430881)
- Where
- France
- Volunteers
- 506 people
- Sponsor
- Sanofi