Clinical Trial

Mechanism and Application of Vitamin D in Idiopathic Sudden Sensorineural Hearing Loss

Study acronym: N
Active, Not Recruiting
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Record status
This record was last updated July 4, 2025 (before its estimated June 1, 2026 completion). Its status may not reflect the trial's current state.
Summary
Clinical Trial Protocol: Investigating the Therapeutic Efficacy of Vitamin D in ISSNHL。Core Research Questions Can vitamin D supplementation improve the prognosis of Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL)? What potential medical issues might arise during vitamin D administration? Study Design A controlled trial comparing: Intervention group: Vitamin D supplementation + standard care Control group: Standard care alone Participant Procedures Baseline assessment: Venous blood draw (2 mL) for 25(OH)D level measurement. intervention phase:Daily vitamin D supplementation for 1 month Endpoint evaluation (1-month follow-up): Repeat audiometric testing (pure-tone audiometry). Post-treatment 25(OH)D concentration analysis.
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2025-06-23.
Trial Details
NCT Number NCT07045883
Lead Sponsor Zhongshan Hospital Xiamen University
Conditions Idiopathic Sudden Sensorineural Hearing Loss
Enrollment 197 participants
Start Date 2025-06-01
Primary Completion 2026-06-01 (estimated)
Study Completion 2026-06-01 (estimated)
Updated on ClinicalTrials.gov 2025-07-04