RecruitingNCT07491965
Association Between Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency .
Association Between Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency ; Sohag University Hospital Experience.
Sponsor
Sohag University
Enrollment
160 participants
Start Date
Apr 1, 2026
Study Type
OBSERVATIONAL
Conditions
Summary
Association between Benign Paroxysmal Positional Vertigo and Vitamin D deficiency
Eligibility
Inclusion Criteria2
- Cases: Adults with a confirmed diagnosis of idiopathic BPPV based on positive Dix-Hallpike maneuver (nystagmus and vertigo lasting <1 minute).
- Controls: Adults attending ENT clinic without history of vertigo or BPPV, confirmed by negative Dix-Hallpike test.
Exclusion Criteria5
- Known causes of secondary vertigo (e.g., Meniere's disease, vestibular neuritis, central vertigo).
- Conditions affecting vitamin D metabolism (e.g., chronic kidney disease, malabsorption syndromes, hyperparathyroidism).
- Use of medications interfering with vitamin D levels (e.g., anticonvulsants, glucocorticoids) in the past 3 months.
- Pregnancy or lactation.
- Inability to provide consent.
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Interventions
DIAGNOSTIC_TESTVitamin D
Level of Vitamin D
Locations(1)
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NCT07491965
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