Clinical trials: Prevalence
Eating Disorders, Language Disorders
Prevalence of Oral Disorders in Children in ENT Pathologies
Many children have eating and verbal oral disorders. Our research entitled: PREORA aims to study the prevalence of oral disorders presented in children consulting in ENT department for three months (n = 2000).
- Trial name
- Preora (NCT05909787)
- Testing
- Auto-questionnaire
- Volunteers
- 2,000 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Hypercalciuria, Urolithiasis
Stone Disease in Children and Their Families
The hypothesis of this study proposal is that pediatric urinary stone formers have genetic risk factors which predispose their urinary stone production.
- Trial name
- NCT00765531
- Volunteers
- 15 people
- Sponsor
- University of Texas Southwestern Medical Center
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
Lymphatic Filariases, Onchocerciasis
Prevalence of LF Infection in Districts Not Included in LF Control Activities
Lymphatic filariasis is a neglected tropical disease earmarked for elimination as a public health problem by the year 2020. Since the year 2000, the Global Program for the Elimination of LF has together with endemic countries…
- Trial name
- NCT03131401
- Testing
- Diagnosis of lymphatic filariasis, Diagnosis of lymphatic Filariasis and onchocerciasis, DEC Patch
- Where
- Ghana
- Volunteers
- 3,736 people
- Sponsor
- Noguchi Memorial Institute for Medical Research
Pompe Disease
Investigating Pompe Prevalence in Neuromuscular Medicine Academic Practices
The incidence of type II glycogen-storage disease (Pompe disease) varies depending on ethnicity and geographic region. As of 2010, nine studies have been published documenting the incidence of Pompe disease.
- Trial name
- IPANEMA (NCT02838368)
- Where
- United States
- Volunteers
- 921 people
- Sponsor
- University of California, Irvine
Other Allergic Rhinitis
The Prevalence and Clinical Characteristics of Children With Local Allergic Rhinitis
To determine prevalence of local allergic rhinitis (LAR) To evaluate clinical characteristic and severity of local allergic rhinitis To measure changing of tryptase and Specific IgE for Dermatophagoides pteronyssinus (Dp) after…
- Trial name
- NCT02271620
- Testing
- nasal allergen provocation test
- Where
- 2 sites in Thailand
- Volunteers
- 53 people
- Sponsor
- Mahidol University
Vitamin D Deficiency, Sickle Cell Disease
Vitamin D Status in Children With Sickle Cell Disease Living in Lyon, France
Vitamin D deficiency may be under-diagnosed in sickle cell disease French children. Therefore, the investigator need an epidemiologic study about the prevalence of vitamin D deficiency in this specific population.
- Trial name
- EVADDREP (NCT04694976)
- Testing
- 25-OH Vitamin D measure
- Where
- France
- Volunteers
- 130 people
- Sponsor
- Hospices Civils de Lyon
Molar Incisor Hypomineralization, Asthma in Children
Prevalence of Molar Incisor Hypomineralization Among Children Treated With Asthmatic Drugs Early in Their Lives
The aim of this study is to assess the prevalence of molar incisor hypo mineralization among children who have been treated with asthmatic drugs during the first three years of life.
- Trial name
- NCT04103710
- Where
- Egypt
- Volunteers
- 167 people
- Sponsor
- Cairo University
Tooth Impaction, Impacted Canine, Dental Anomalies
This Systematic Review Aims to Synthesize Available Evidence Regarding the Prevalence, Anatomical Distribution, Etiological Determinants, and Diagnostic Assessment of Permanent Canine Impaction. A Systematic Search of PubMed, PubMed Central, and ScienceDirect Was Conducted for Studies Published Betw
This systematic review aimed to synthesize current evidence regarding the prevalence, anatomical distribution, etiological determinants, and diagnostic assessment of permanent canine impaction.
- Trial name
- PCI (NCT07509320)
- Where
- Romania
- Sponsor
- Dimitrie Cantemir University
Back Pain, Low Back Pain
Low Back and Neck Pain in Nursing Students at The University of The West Indies
The purpose of this study is to identify the prevalence of neck and low back pain in nursing students enrolled at the University of the West Indies, Mona; to assess their knowledge, attitude and practice of good spine health and…
- Conditions
- Back Pain, Low Back Pain, Musculoskeletal Pain, Neck Pain
- Trial name
- NCT07167888
- Testing
- Clinical Control Group (Group A), Spine Exercise Program (Group B)
- Where
- Jamaica
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Social Networks, Addiction
Prevalence of Problematic Use of Social Media
In 2023, French individuals spend an average of two hours per day on social media platforms (SM), primarily Facebook, TikTok, X, YouTube, Instagram, and Snapchat.
- Trial name
- PURPLE (NCT06798480)
- Testing
- Self-administered survey
- Where
- France
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Myopia
A Comparative Analysis of Myopia Prevalence Among Madarsa Students vs. Non-Madarsa Students in Sukkur
Myopia (nearsightedness) has become a major global health concern, particularly among students, due to factors such as prolonged screen time, close-up work, and limited outdoor activities.
- Trial name
- NCT06913972
- Where
- Pakistan
- Volunteers
- 364 people
- Sponsor
- Superior University
Schistosoma Mansoni
Schistosoma Mansoni in Mwanza Region, Tanzania
The objective of this study is to determine the strategy for mass drug administration (MDA) which provides the greatest reductions in prevalence and intensity of Schistosoma mansoni in school-aged children after 4 years of…
- Trial name
- SCORE_PAR (NCT02162875)
- Testing
- Praziquantel
- Where
- Tanzania
- Volunteers
- 37,500 people
- Sponsor
- DBL -Institute for Health Research and Development
Tuberculosis, HIV/AIDS
TB Reduction Through ART and TB Screening Project
Tuberculosis (TB) has overtaken HIV as the leading infectious cause of death worldwide and requires a major policy shift for it to be controlled in line with the WHO Stop-TB goal to "end TB".
- Trial name
- TREATS (NCT03739736)
- Testing
- Combination of TB/HIV prevention activities (arm A), Combination of TB/HIV prevention activities (arm B), Standard of care (arm C)
- Where
- 2 sites in South Africa, Zambia
- Volunteers
- 4,200 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Dysfunctional Breathing, Asthma in Children
The Prevalence of Dysfunctional Breathing in Children and Adolescents With Asthma
The purpose of the study is to investigate the prevalence of dysfunctional breathing in children and adolescents with asthma in a hospital outpatient clinic.
- Conditions
- Dysfunctional Breathing, Asthma in Children, Asthma
- Trial name
- NCT04734795
- Where
- Denmark
- Volunteers
- 363 people
- Sponsor
- Kolding Sygehus
Obstructive Sleep Apnea
Prevalence of Sleep Apnoea in Adolescents
Obstructive sleep apnoea (OSA) is associated with a variety of important complications, namely cardiovascular, neurocognitive and metabolic disturbances. The prevalence of OSA is well studied in children and adults.
- Trial name
- NCT03895775
- Where
- Hong Kong
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Food Allergy Suspected, Food Allergy Proved
Association Between Asthma and Food Allergy
Prevalences of food allergies and asthma increased in the population during the last decades. These two pathologies, responsible for a real burden, are often associated and are to be considered as comorbidities; this aspect is…
- Trial name
- AAAli (NCT02884583)
- Testing
- Pulmonary function test
- Where
- France
- Volunteers
- 200 people
- Sponsor
- University Hospital, Montpellier
Thrombocytopenia, Neonatal Thrombocytopenia
Neonatal Thrombocytopenia in the NICU
This prospective cohort study aims to determine the frequency, severity, and clinical outcome of thrombocytopenia among neonates admitted to the neonatal intensive care unit.
- Trial name
- NCT07882342
- Volunteers
- 120 people
- Sponsor
- Assiut University
Gastro Esophageal Reflux
Prevalence of Symptomatic Gastroesophageal Reflux Disease in Czech Children (Czech GERDKids)
This study aims to determine the prevalence of symptomatic gastroesophageal reflux disease (GERD) in children aged 8-9 years and 12-13 years in the Czech Republic.
- Trial name
- Czech GERDKids (NCT07482969)
- Where
- Czechia
- Volunteers
- 1,000 people
- Sponsor
- University Hospital, Motol
Dissociative Disorders, Schizophrenia
Prevalence of Dissociative Disorders in Children
Schizophrenia beginning before 18 years is a clinical entity not well known because of its low incidence and difficulties in the clinical diagnosis.
- Trial name
- NCT01512641
- Testing
- Primary stage, Secondary stage
- Where
- 4 sites in France
- Volunteers
- 301 people
- Sponsor
- Centre Hospitalier Universitaire de Nice