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CompletedNCT06503926Updated Jul 16, 2025

Impact of COVID-19 Vaccination on Balance Function Among Adolescents: A Long-Term Perspective

An observational study in SARS CoV 2 Vaccination, sponsored by Sinai University. Completed at 1 site in Egypt. Open to participants aged 10 Years to 17 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-07-16.

Sponsored by Sinai University · Observational

Study type
Observational
Model
Other
Time perspective
Cross-sectional
Enrollment
270
Ages
10 Years to 17 Years
Sex
All
01

Study summary

Long term impact of COVID 19 vaccination on dizziness-related disability and balance in adolescence

02

Conditions studied

  • SARS CoV 2 Vaccination
03

In context

Lead sponsor

Sinai University is the lead sponsor of 23 studies on the registry; 11 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
10 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Probability sample

Study population

  • Adolescence age range 10-17
  • Vaccinated by any available SARS -COV-2 Vaccinations

Inclusion criteria

  • Adolescence age range 10-17
  • received a dose or more of an approved COVID-19 vaccine at least one year before the study enrollment.

the ability to complete all assessment measures independently.

Exclusion criteria

Exclusion Criteria:

  1. vestibular or neurological disorders diagnosed before vaccination.
  2. mixed COVID-19 vaccine types.
  3. a history of traumatic brain injury.
  4. current use of medications that affect balance.
  5. documented COVID-19 infection within three months of assessment.
  6. physical limitations that prevented them from completing balance testing.
05

Study design

Observational model
Other
Time perspective
Cross-sectional
Enrollment
270 participants (actual)
Patient registry
No

Interventions

  • OtherSARS-COV-2 vaccination

    Vaccination

06

What researchers measure

Primary outcomes

  1. Impact on Balance

    The pediatric balance scale is used to assess balance (Lowest score =0 " worst"- Maximum score is 56 " Perfect Balance"

    Time frame: Through study completion, an average of 1 day - 1 year after taking the vaccine

  2. Functional Disability

    The Dizziness Handicap Inventory is used to assess functional disability related to dizziness

    Time frame: Through study completion, an average of 1 day - 1 year after taking the vaccine

Secondary outcomes

  1. Emotional Disability

    The Dizziness Handicap Inventory is used to assess emotional disability related to dizziness

    Time frame: Through study completion, an average of 1 day - 1 year after taking the vaccine

  2. Physical Disability

    The Dizziness Handicap Inventory is used to assess physical disability related to dizziness

    Time frame: Through study completion, an average of 1 day - 1 year after taking the vaccine

07

Study locations

1 site
  • Sinai University
    Ismailia, Ismailia Governorate 11749, Egypt
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 16, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06503926
Lead sponsor
Sinai University
Responsible party
Alaa Noureldeen Kora (Lecturer, Sinai University) — Principal investigator
First posted
Jul 16, 2024
Start date
Dec 6, 2023
Primary completion
Apr 30, 2024
Completion
Jul 1, 2024
Last update
Jul 16, 2025

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.

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Discussion

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