Vitamin A DeficiencyNCT06989879
Knowledge of Students About Vitamin A and Assessment of Eye Manifestations in Quranic Schools (Khalwai) Khartoum State, Sudan 2022
An observational study of Vitamin A Deficiency and Night Blindness, run by University of Khartoum at 1 site in Sudan.
Trial summary
This is an observational study that aims to study vitamin A deficiency status, knowledge, and nutritional assessment among Khalwa (Quran boarding school) individuals. we want to assess the magnitude of the problem and put appropriate recommendations for it. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Vitamin A Deficiency, Night Blindness
- How many people
- 332 participants
- Where
- 1 siteSudan
- Study dates
- 1 Nov 2022to 1 Jan 2023
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- Child, Adult, Older adult
Study population: Khalwa (Quranic boarding school) dormitory residents are either dedicated teachers, students, or those who teach and study at the same time. The study participants were those who lived in the dormitory regardless of their status. Those in the last category were counted as students. The study was conducted in traditional Quran centers in East Nile Province, Khartoum.
Who may be able to join
- All Khalwa (Quranic-boarding-school) dormitory residents of in East-Nile province, Khartoum State
Who cannot join
- Anyone who refuses to participate in the study.
- Those who live with their families
Trial locations and contacts
1 site in 1 country.
About this study
This is an observational study that aims to study vitamin A deficiency status, knowledge, and nutritional assessment among Khalwa (Quran boarding school) individuals. we want to assess the magnitude of the problem and put appropriate recommendations for it.
- Conditions
- Vitamin A Deficiency, Night Blindness
- Keywords
- Vitamin A deficiency, Night blindness, Quranic boarding school, knowledge, nutrition
- Medical subject headings
- Vitamin A Deficiency, Night Blindness
What is being measured
The primary outcome is the main question the study is designed to answer.
Prevalence rate of night blindness
Measured: At enrollment
Vitamin A knowledge score
Measured: At enrollment
Prevalence rate of vitamin A deficiency signs
Measured: At enrollment
Prevalence rate of respiratory tract infection
Measured: At enrollment
Prevalence rate of diarrhea
Measured: At enrollment
Food specific (milk, vegetables, fruits, etc.) prevalence rate of eating/drinking from outside dormitory
Measured: At enrollment
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted25 May 2025
- Study start1 Nov 2022
- Primary completion1 Dec 2022
- Study completion1 Jan 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Vitamin A DeficiencyStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Cross-sectional
- Enrolment
- 332 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Khartoum
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Elkhidir Bashir Elkhidir Ali, University of Khartoum
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06989879
- Sponsor's protocol ID
- COMMED 2022-94-14
- Status last verified
- May 2025
- First submitted
- 8 May 2025
- Last updated
- 25 May 2025
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 25 May 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Knowledge of Students About Vitamin A and Assessment of Eye Manifestations in Quranic Schools (Khalwai) Khartoum State, Sudan 2022
- ClinicalTrials.gov ID
- NCT06989879
- Acronym / sponsor ID
- COMMED 2022-94-14
- Conditions
- Vitamin A Deficiency, Night Blindness
- Keywords
- Vitamin A deficiency, Night blindness, Quranic boarding school, knowledge, nutrition
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 332 participants (actual)
- Lead sponsor
- University of KhartoumUniversity, hospital or other
- Study start
- 1 Nov 2022 (actual)
- Primary completion
- 1 Dec 2022 (actual)
- Study completion
- 1 Jan 2023 (actual)
- First posted
- 25 May 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is an observational study that aims to study vitamin A deficiency status, knowledge, and nutritional assessment among Khalwa (Quran boarding school) individuals. we want to assess the magnitude of the problem and put appropriate recommendations for it.
Study design
- Observational model
- Other
- Time perspective
- Cross-sectional
Who may qualify
- Sex
- All
- Age groups
- Child, Adult, Older adult
- Study population
- Khalwa (Quranic boarding school) dormitory residents are either dedicated teachers, students, or those who teach and study at the same time. The study participants were those who lived in the dormitory regardless of their status. Those in the last category were counted as students. The study was conducted in traditional Quran centers in East Nile Province, Khartoum.
Key inclusion criteria (1 listed)
- All Khalwa (Quranic-boarding-school) dormitory residents of in East-Nile province, Khartoum State
Key exclusion criteria (2 listed)
- Anyone who refuses to participate in the study.
- Those who live with their families
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Prevalence rate of night blindness
Time frame: At enrollment
Vitamin A knowledge score
Time frame: At enrollment
Prevalence rate of vitamin A deficiency signs
Time frame: At enrollment
Prevalence rate of respiratory tract infection
Time frame: At enrollment
Prevalence rate of diarrhea
Time frame: At enrollment
Food specific (milk, vegetables, fruits, etc.) prevalence rate of eating/drinking from outside dormitory
Time frame: At enrollment
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 May 2025.
- Individual participant dataSharing planned: Yes
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Vitamin A Deficiency and Night Blindness, run by University of Khartoum at 1 site in Sudan.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 25 May 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Sudan. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Prevalence rate of night blindness (time frame: At enrollment). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 May 2025.