The Prevalence and Predictors of Gastrointestinal Symptoms in Children With Attention Deficit / Hyperactivity Disorder
NCT ID: NCT03879343
Last Updated: 2024-12-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
COMPLETED
142 participants
OBSERVATIONAL
2018-07-01
2019-09-30
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
CASE_CONTROL
PROSPECTIVE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
Clinical group
Children aged six to eleven with clinical diagnosis of attention deficit / hyperactivity disorder were recruited for interview and completion of questionnaires
Known diagnosis of attention deficit / hyperactivity disorder
Clinical group includes subjects with clinical diagnosis of attention deficit / hyperactivity disorder
Control group
Normally developing children aged six to eleven studying in local mainstream primary schools were recruited for completion of questionnaires
No interventions assigned to this group
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
Known diagnosis of attention deficit / hyperactivity disorder
Clinical group includes subjects with clinical diagnosis of attention deficit / hyperactivity disorder
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
1. Aged 6 to 11 years old
2. Children with a diagnosis of ADHD made by psychiatrists according to Diagnostic and Statistical Manual for Mental Disorder, fifth edition criteria
3. Currently study in mainstream schools in Hong Kong
The control group will be recruited if the following criteria are met:
1. Age 6 to 11 years old
2. Currently study in mainstream schools in Hong Kong
3. Typically developing in good mental and physical health
Exclusion Criteria
1. Children who are suffering from mental retardation
2. Children who are suffering from organic illnesses that affect gastrointestinal function
3. Children who are suffering from severe mental illnesses
4. Children who have ever received, or are currently on, medication for ADHD
5. Children who are currently taking medication for illnesses other than ADHD
6. Primary caregiver does not understand Chinese
6 Years
11 Years
ALL
No
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
Chinese University of Hong Kong
OTHER
Hospital Authority, Hong Kong
OTHER_GOV
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
NG SIU FUNG JONATHAN
Principal investigator
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Jonathan Siu Fung Ng
Role: PRINCIPAL_INVESTIGATOR
Hospital Authority, Hong Kong
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
Alice Ho Miu Ling Nethersole Hospital
Tai Po, New Territories, Hong Kong
Countries
Review the countries where the study has at least one active or historical site.
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
2018.285
Identifier Type: -
Identifier Source: org_study_id