Vitamin D Status in Young Medical Residents

Retrospective, observational, and anonymous study to assess vitamin D status in young medical residents of both sexes who joined the staff of the Reina Sofia University Hospital (HURS) in Cordoba, Spain, in March 2020. Subjects with vitamin D deficiency were treated with calcifediol and reevaluated. The retrospective cohort study was approved (October 29, 2025) by the Provincial Committee on Ethics in Drug Research (CEIm) of Córdoba (Spain), \[committee reference number 6337) Communication/application code: SICEIA-2025-002858\]. Data Based on the files of the HURS occupational medicine service.

NCT Number	NCT07479303
Lead Sponsor	Maimónides Biomedical Research Institute of Córdoba Collaborators: Hospital Universitario Reina Sofia de Cordoba
Conditions	Vitamin D Deficiency
Enrollment	30 participants
Start Date	2025-10-29
Primary Completion	2025-11-01 (estimated)
Study Completion	2025-12-01 (estimated)
Updated on ClinicalTrials.gov	2026-03-18