Clinical trials: Prevalence
Hemoglobinopathies
Prevalence and Hematological Characteristics of Hemoglobinopathies
This study aimed to determine the prevalence and hematological characteristics of hemoglobinopathies in Mardan and surrounding districts of Khyber Pakhtunkhwa (KPK), Pakistan.
- Trial name
- NCT07180836
- Testing
- No Intervention (Observational Study)
- Where
- Pakistan
- Volunteers
- 839 people
- Sponsor
- Bacha Khan Medical College
Chronic Post Operative Pain
Prevalence and Risk Factors for Postsurgical Pain After the Open Reduction and Internal Fixation of Lower Limbs.
The objective of this study is to specify the demographic and medical factors that most likely constitute a risk of developing CPSP in the patients with lower limb.
- Trial name
- NCT06136663
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Xuzhou Central Hospital
Child Development
The Effect of Early-life Risk Factors on the Etiology of Diabetes in Children: a Birth Cohort
In recent years, with the rising prevalence of obesity among children, the incidence of type 2 diabetes in children and adolescents has continued to be increased.
- Trial name
- NCT04313998
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sijia Gu
Liver Fibrosis Progression in Chronic Liver Disease
LIVER FIBROSIS PREVALENCE IN FRANCE
"Mortality related to complications of cirrhosis, (hemorrhage, hepatic insufficiency and primary liver cancer) is 15,000 per year in France.
- Trial name
- FIBROFRANCE (NCT01927133)
- Where
- France
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
The Coordination of Rare Diseases at Sanford (CoRDS) is an international patient registry that serves as a centralized resource for rare disease research.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- United States
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Ehler's Danlos Syndrome, Obstructive Sleep Apnea
Obstructive Sleep Apnoea in Children and Adolescents With Ehlers-Danlos Syndrome
Ehlers-Danlos Syndrome (EDS) is a clinically and genetically heterogeneous group of inherited connective tissue disorders characterized by joint hypermobility, skin hyperextensibility, and tissue fragility.
- Trial name
- NCT02712060
- Testing
- No intervention
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Caries
Prevalence of Dental Caries in Patients With Dental Crowding
Dental crowding causes limited access for the toothbrush, and the natural cleansing effect of the teeth by the tongue and saliva is also limited.
- Trial name
- NCT06438926
- Volunteers
- 325 people, healthy volunteers welcome
- Sponsor
- Cairo University
Demographic Profiles, Impairment Certificates
Patients Seeking a Visual Impairment Certificate
This study investigates the prevalence, causes, and demographic characteristics of patients seeking visual impairment certificates at Assiut Ophthalmology Hospital.
- Conditions
- Demographic Profiles, Impairment Certificates, Visual Impairment
- Trial name
- NCT06900855
- Volunteers
- 383 people
- Sponsor
- Assiut University
Breast Cancer, Breast Reconstruction
Implant-based Breast Reconstruction in Post-bariatric Women - a Registry-based National Study
The goal of this national registry-based study is to investigate the prevalence of reconstructive breast surgery and risk factors for surgical complications in women who have had weight loss surgery previously.
- Conditions
- Breast Cancer, Breast Reconstruction, Bariatric Surgery, Breast Implant
- Trial name
- NCT07059104
- Testing
- Breast augmentation, Breast reconstruction after mastectomy
- Where
- Sweden
- Volunteers
- 20,000 people
- Sponsor
- Vastra Gotaland Region
Malaria, Mass Drug Administration
Efficacy of Focal Primaquine Mass Administration for Eliminating Plasmodium Vivax Malaria in Northern Myanmar
Plasmodium vivax has become the predominant species in the Greater Mekong Subregion and is a major challenge for regional malaria elimination.
- Conditions
- Malaria, Mass Drug Administration, Myanmar, Plasmodium Vivax
- Trial name
- NCT06392152
- Testing
- Focal Mass Drug Administration with Primaquine
- Where
- Burma
- Volunteers
- 1,208 people, healthy volunteers welcome
- Sponsor
- Pyae Linn Aung
Chronic Tonsillitis
HPV Prevalence in the Mouth and Oropharynx of the Tonsillectomy Population
The principal aim of this study is to provide vital current data on the prevalence, distribution and natural history of Human Papilloma Virus (HPV) infection in the mouth.
- Trial name
- Oromouth (NCT01330147)
- Where
- 8 sites in United Kingdom
- Volunteers
- 937 people
- Sponsor
- University of Birmingham
Celiac Disease
Prevalence of Renal Disease in Children With Celiac Disease
To assess the prevalence of renal disease in a pediatric population of patients with celiac disease by looking for the presence of hematuria and/or proteinuria.
- Trial name
- COELIGAN (NCT05049876)
- Testing
- urine sample taken during consultations
- Where
- France
- Volunteers
- 200 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Streptococcus Pneumoniae Infection, Streptococcus Pneumoniae, Invasive Disease
Understanding Pneumococcal Carriage and Disease 2017-2020
Streptococcus pneumoniae is a type of bacteria that is carried (lives) in the nose of most individuals and can sometimes go on to cause severe infections such as meningitis and pneumonia.
- Conditions
- Streptococcus Pneumoniae Infection, Streptococcus Pneumoniae, Invasive Disease, Streptococcal Pneumonia
- Trial name
- NCT03102840
- Testing
- Nasopharyngeal swab, blood sampling
- Where
- United Kingdom
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Hepatitis E
Molecular Characteristics and Prevalence of Viral Hepatitis E in Human Tissue and Cell Donors
In this study, the researchers want to focus on the prevalence of anti-HEV antibodies by a new generation test, direct detection of HEV RNA, and its genotypic analysis in a group of human tissue and cell donors.
- Trial name
- NCT06457438
- Testing
- Elecsys Anti-HEV IgG, IgM
- Where
- Czechia
- Volunteers
- 300 people
- Sponsor
- University Hospital Ostrava
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
Sickle Cell Disease
Prevalence of Problematic Use of Equimolar Mixture of Oxygen and Nitrous Oxide and Analgesics in the Sickle-cell Disease
The use of analgesics can lead to cases of drug abuse and dependence. It can also cause pseudo-addiction in patients suffering from pain.
- Trial name
- PHEDRE (NCT02580565)
- Testing
- telephone interview
- Where
- France
- Volunteers
- 1,004 people
- Sponsor
- Nantes University Hospital
Myopia, Environment
Environmental Factors and Myopia Prevalence Among Uyghur Students in Remote China
Ophthalmologic screening performs annually. Main information collected: gender, age, race, school, visual acuity, autorefractive results.
- Trial name
- NCT07119723
- Where
- China
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Eye Hospital
Sports Injury
Epidemiology of Speed Skating-related Injuries
Speed skating is a sport in which there´s a lack of epidemiological studies. In line with the well-established model of sports injury prevention research proffered by van Mechelen, the first stage in this process is establishing…
- Trial name
- NCT05175183
- Where
- Spain
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Oviedo
Venous Thromboembolism, Deep Venous Thrombosis
Prevalence and Risk Factors of Venous Thromboembolism in Hospitalized Pediatric Patients
The issue to be studied is the prevalence of venous thromboembolism (VTE) in hospitalized pediatric patients, and to identify if there are subgroups of patients who may be at higher risk.
- Conditions
- Venous Thromboembolism, Deep Venous Thrombosis, Pediatrics
- Trial name
- pediatric DVT (NCT01140386)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Penn State University
Gabapentin
Prevalence of Gabapentinoids and Opioids in Geriatric Falls Patients
This study investigates the prescription patterns of gabapentinoids (gabapentin and pregabalin) in a geriatric fall clinic in Aalborg, Denmark, between 2013 and 2023.
- Trial name
- NCT06613802
- Testing
- Time
- Where
- Denmark
- Volunteers
- 800 people
- Sponsor
- Aalborg University Hospital