NCT06989879

Brief 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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
332

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Nov 2022

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2022

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2022

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2023

Completed
2.4 years until next milestone

First Submitted

Initial submission to the registry

May 8, 2025

Completed
17 days until next milestone

First Posted

Study publicly available on registry

May 25, 2025

Completed
Last Updated

May 25, 2025

Status Verified

May 1, 2025

Enrollment Period

1 month

First QC Date

May 8, 2025

Last Update Submit

May 16, 2025

Conditions

Vitamin A DeficiencyNight Blindness

Keywords

Vitamin A deficiencyNight blindnessQuranic boarding schoolknowledgenutrition

Outcome Measures

Primary Outcomes (6)

  • Prevalence rate of night blindness

    At enrollment

  • Vitamin A knowledge score

    At enrollment

  • Prevalence rate of vitamin A deficiency signs

    At enrollment

  • Prevalence rate of respiratory tract infection

    At enrollment

  • Prevalence rate of diarrhea

    At enrollment

  • Food specific (milk, vegetables, fruits, etc.) prevalence rate of eating/drinking from outside dormitory

    At enrollment

Eligibility Criteria

Sexall
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
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.

You may qualify if:

  • All Khalwa (Quranic-boarding-school) dormitory residents of in East-Nile province, Khartoum State

You may not qualify if:

  • Anyone who refuses to participate in the study.
  • Those who live with their families

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Faculty of Medicine, University of Khartoum

Khartoum, Sudan

Location

MeSH Terms

Conditions

Vitamin A DeficiencyNight Blindness

Condition Hierarchy (Ancestors)

AvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic DiseasesVision DisordersEye Diseases

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

May 8, 2025

First Posted

May 25, 2025

Study Start

November 1, 2022

Primary Completion

December 1, 2022

Study Completion

January 1, 2023

Last Updated

May 25, 2025

Record last verified: 2025-05

Data Sharing

IPD Sharing
Will share

Locations

SU(1)