Association Between Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency .

Recruiting now

Conditions studied: Benign Paroxysmal Positional Vertigo (BPPV)

In brief

Association between Benign Paroxysmal Positional Vertigo and Vitamin D deficiency

Key facts

Study ID

NCT07491965

Run by

Sohag University

People needed

160

Starts

2026-04-01

Expected to finish

2026-10-01

Last updated by the study team

2026-06-18

Who can join

Age: any. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• • 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.

You may not qualify if…

• 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.

Where it is running

• Sohag University Hospital — Sohag, Egypt (enrolling)

Full record on ClinicalTrials.gov

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