Status:
COMPLETED
Association of Vitamin D Status With Metabolic Markers in Adolescents With Polycystic Ovary Syndrome
Lead Sponsor:
Bagcilar Training and Research Hospital
Conditions:
Polycystic Ovary Syndrome
Vitamin D Deficiency
Eligibility:
FEMALE
13-19 years
Brief Summary
This prospective cross-sectional case-control study aims to investigate the relationship between serum vitamin D levels, visceral adipose tissue (VAT) thickness, and metabolic parameters in adolescent...
Detailed Description
Polycystic ovary syndrome (PCOS) is a common endocrine disorder affecting women of reproductive age, with manifestations often beginning during adolescence. It is associated not only with reproductive...
Eligibility Criteria
Inclusion
- Female adolescents aged 13 to 19 years
- Having attained menarche at least two years prior to enrollment
- For PCOS group: Diagnosis of polycystic ovary syndrome based on NIH criteria (presence of menstrual irregularity and clinical and/or biochemical hyperandrogenism)
- For Control group: Regular menstrual cycles (cycle interval 21-35 days) and no clinical or biochemical signs of hyperandrogenism.
Exclusion
- Use of medications affecting vitamin D metabolism, insulin sensitivity, or androgen levels within the past 6 months (e.g., oral contraceptives, insulin sensitizers, vitamin D supplements)
- Presence of endocrine disorders such as congenital adrenal hyperplasia, hyperprolactinemia, Cushing's syndrome, thyroid dysfunction.
- Chronic systemic diseases (e.g., diabetes mellitus, severe liver or kidney disease).
Key Trial Info
Start Date :
March 1 2024
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
May 30 2025
Estimated Enrollment :
106 Patients enrolled
Trial Details
Trial ID
NCT06970821
Start Date
March 1 2024
End Date
May 30 2025
Last Update
September 18 2025
Active Locations (1)
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1
Bağcılar Training and Research Hospital
Istanbul, Turkey (Türkiye), 34200