Clinical trials: Prevalence
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
Squamous Cell Carcinoma of the Head and Neck
SUPREME-HN A Retrospective Cohort Study of PD-L1 in Recurrent and Metastatic Squamous Cell Carcinoma of Head and Neck (SCCHN)
This is a retrospective international, multi-center, non-interventional cohort study based on use of data derived from established medical records and secondary analysis of archival tumor samples.
- Trial name
- SUPREME-HN (NCT02543476)
- Where
- 18 sites in United States, Germany and 5 more
- Volunteers
- 412 people
- Sponsor
- AstraZeneca
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
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
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
Anemia
The Prevalence of Malaysian Children Aged ≥ 6 to ≤ 36 Months at Risk of Anaemia
The main purpose of this study is to determine the prevalence of Malaysian children aged ≥ 6 to ≤ 36 months at risk of anaemia by measuring Total Haemoglobin (SpHb) using a non-invasive haemoglobin assessment.
- Trial name
- NCT05181436
- Testing
- measuring Total Haemoglobin (SpHb) using Masimo Rad-67.
- Where
- Malaysia
- Volunteers
- 1,215 people, healthy volunteers welcome
- Sponsor
- Danone Specialized Nutrition (M) Sdn Bhd
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.
DAO Genetic Variants
Prevalence of DAO (diamino Oxidase) Deficiency in Newborns
Observational study to estimate the prevalence of genetic DAO deficiency in the population.
- Trial name
- DAO-NEO-2022 (NCT06710366)
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- AB Biotek
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Polycystic Kidney Disease 1 (PKD1) Gene Variant Groups in Autosomal Dominant Polycystic Kidney Disease
The purpose of this study is to estimate the prevalence, demographic, and clinical characteristics of PKD1/2 gene variant groups in the ADPKD population.
- Trial name
- NCT06747572
- Where
- 45 sites in United States, Belgium and 7 more
- Volunteers
- 401 people
- Sponsor
- Vertex Pharmaceuticals Incorporated
Intestinal Failure-associated Liver Disease
Prevalence of Liver Disease in Patients Dependent on Parenteral Nutrition
This is a multi-center prospective cross-sectional observational study that will assess the prevalence of liver disease in patients dependent on parenteral nutrition (PN) for 4 or more days per week.
- Trial name
- THRIVE-1 (NCT05011370)
- Where
- 15 sites in United States, Denmark and 2 more
- Volunteers
- 80 people
- Sponsor
- Protara Therapeutics
Prostatic Neoplasms
Prevalence of HRR-related Genes Mutations and Prognosis in Metastatic Castration Resistant Prostate Cancer (mCRPC) Patients in Real World Setting
The purpose of this study is to investigate the prevalence of tissue homologous recombination repair (HRR)-related gene mutations (positive/negative/Variant of uncertain significance (VUS)), clinical outcome such as…
- Trial name
- ZENSHIN (NCT04425200)
- Where
- 26 sites in Japan
- Volunteers
- 205 people
- Sponsor
- AstraZeneca
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.
Type 2 Diabetes
An Observational Study to Assess the Prevalence of Heart Failure in Type 2 Diabetes Patients
An Observational Study to assess the Prevalence of Heart Failure in Type 2 Diabetes Patients in India.
- Trial name
- HF-Registry (NCT04072523)
- Where
- 26 sites in India
- Volunteers
- 621 people
- Sponsor
- AstraZeneca
Quality of Life
Evaluation of the Health Related Quality of Life and Disease Prevalence of Children From Spain at 6-8 Years of Age Who Participated in a Qualifying Infant Formula Study at Birth
The purpose of this study is to evaluate the influence of the type of feeding in the first year of life on the behavior and health-related quality of life at 6-8 years of age.
- Trial name
- NCT01177930
- Where
- Spain
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mead Johnson Nutrition
Respiratory (Chronic Obstructive Pulmonary Disease)
Study for Assessing the Prevalence of Airflow Limitation in Outpatients With History of Smoking Attending Cardiology Clinics
Chronic Obstructive Pulmonary Disease (COPD) is a global health concern, associated with structural lung abnormalities causing persistent airflow limitation (AL) and often result from cigarette smoking.
- Trial name
- ALSAC (NCT07315958)
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 1,000 people
- Sponsor
- AstraZeneca
Metabolic Syndrome
Metabolic Syndrome Prevalence Study
Following the first study conducted to investigate the prevalence of metabolic syndrome and its components in Turkey, it was aimed to demonstrate the change in general health condition of available patients after the period of…
- Trial name
- NCT02379702
- Testing
- Metabolic Syndrome
- Where
- 6 sites in Turkey (Türkiye)
- Volunteers
- 1,659 people
- Sponsor
- Abdi Ibrahim Ilac San. ve Tic A.S.
Exocrine Pancreatic Insuficiency
Determine the Prevalence of Exocrine Pancreatic Insufficiency (EPI) in Pediatric and Adult Participants With Alagille Syndrome After Liver Transplantation
The goal of this clinical trial is to determine the prevalence of exocrine pancreatic insufficiency (EPI) in a population of pediatric and adult participants with Alagille Syndrome (ALGS) post liver transplant.
- Trial name
- NCT07335523
- Testing
- Fecal Fat
- Where
- 9 sites in United States
- Volunteers
- 30 people
- Sponsor
- Digestive Care, Inc.
Cystic Fibrosis
Prevalence of Antibodies to Selected Porcine Viruses in Patients With Cystic Fibrosis Receiving Porcine-derived Pancreatic Enzyme Replacement Therapy
This is a point prevalence study conducted entirely in the United States (US) to establish the prevalence of antibodies to hepatitis E virus (HEV) and other selected porcine viruses in cystic fibrosis (CF) patients receiving…
- Trial name
- NCT01858519
- Where
- 47 sites in United States
- Volunteers
- 1,310 people
- Sponsor
- AbbVie
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
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