Actively Recruiting
Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary Syndrome
Led by The University of Hong Kong · Updated on 2024-05-14
220
Participants Needed
3
Research Sites
309 weeks
Total Duration
On this page
Sponsors
T
The University of Hong Kong
Lead Sponsor
K
Kwong Wah Hospital
Collaborating Sponsor
AI-Summary
What this Trial Is About
This is a randomized double-blind controlled trial on the effect of vitamin D supplementation to assess the ovulation rate of women with polycystic ovary syndrome (PCOS) and other reproductive, endocrine and metabolic outcomes after one year of treatment.
CONDITIONS
Official Title
Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary Syndrome
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Premenopausal women
- Aged 18-40 years
- Irregular long menstrual cycles greater than 35 days
- Diagnosed with PCOS according to the Rotterdam criteria
- Willing to undergo transvaginal ultrasound
You will not qualify if you...
- Use of hormonal medications, including contraception, within 3 months before joining (except progestogen to induce withdrawal bleeding every 3 months)
- History of medical conditions or medications affecting vitamin D sensitivity or metabolism, including active tuberculosis, sarcoidosis, kidney stones, parathyroid disease, kidney or liver failure, or current use of anti-convulsants
- Use or planned use of insulin-sensitizing drugs, lipid lowering drugs, or anti-hypertensive medications within the coming year
- Known type 2 diabetes mellitus
- Abnormal blood calcium levels
- Refusal to participate in the study
- Currently taking vitamin D or other supplements and unwilling to stop them
AI-Screening
AI-Powered Screening
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Trial Site Locations
Total: 3 locations
1
Kwong Wah Hospital
Hong Kong, Hong Kong
Actively Recruiting
2
Princess Margaret Hospital
Hong Kong, Hong Kong
Not Yet Recruiting
3
Queen Mary Hospital, University of Hong Kong
Hong Kong, Hong Kong
Actively Recruiting
How is the study designed?
Study Type
INTERVENTIONAL
Masking
TRIPLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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