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NCT04355572 · ClinicalTrials.gov registry record · NA
Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)
A NA study of Vitamin D Deficiency and Polycystic Ovarian Syndrome in Adolescent Females, sponsored by Yale University.
- Recruiting
- Registry status
- NA
- Development phase
- 60
- Enrollment target
- 1
- Study location
NCT04355572: Recruiting NA study of Vitamin D Deficiency and Polycystic Ovarian Syndrome in Adolescent Females, sponsored by Yale University.
NCT04355572 is a NA study of Vitamin D Deficiency and Polycystic Ovarian Syndrome in Adolescent Females that is actively recruiting participants, run by Yale University. The registered enrollment target is 60 participants, below the 274-participant average among 48 other Vitamin D Deficiency trials with a reported enrollment target (78% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04355572, a NA study of Vitamin D Deficiency and Polycystic Ovarian Syndrome in Adolescent Females, is actively recruiting participants, sponsored by Yale University.
- RECRUITING
- Registry status
- NA
- Development phase
- 60 participants
- Enrollment target
- 1
- Study location
Study Summary
This study is a double blind, placebo controlled, randomized trial of study subjects with PCOS and low vitamin D to 2 groups- placebo and vitamin D replacement. Participants and investigators will be blinded to treatment modality until the end of the trial period
Primary Outcome
The change in oligomenorrhea, i.e restoration of monthly menses or improvement in the menstrual pattern during 6 months while enrolled in the trial based on self report
Conditions Studied
Interventions
- DRUG Placebo
- DRUG Vitamin D 4000IU daily
Study Locations (1)
Connecticut
- Yale New Haven Children's Hospital - New Haven
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 60 participants |
| Start Date | 2026-05 |
| Est. Completion | 2027-12-01 |
| Phase | NA |
What NCT04355572 shows while recruiting
NCT04355572 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, below the 274-participant average among 48 other Vitamin D Deficiency trials with a reported enrollment target (78% lower).
The record links to 2 conditions, with Vitamin D Deficiency appearing as the primary indexed condition, and to 2 interventions - of which Placebo is the first listed.
NCT04355572 reports a single indexed study location in Connecticut.
Frequently Asked Questions
What is clinical trial NCT04355572 about?
NCT04355572 is a clinical study titled "Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)". This study is a double blind, placebo controlled, randomized trial of study subjects with PCOS and low vitamin D to 2 groups- placebo and vitamin D replacement. Participants and investigators will be blinded to treatment modality until the end of the trial period
What is the current status of trial NCT04355572?
This trial is currently recruiting. It is a NA study. The enrollment target is 60 participants. The study started on 2026-05. Estimated completion is 2027-12-01.
What conditions does trial NCT04355572 study?
This clinical trial studies the following conditions: Vitamin D Deficiency, Polycystic Ovarian Syndrome in Adolescent Females.
What interventions are being tested in trial NCT04355572?
The interventions under investigation include: Placebo (DRUG), Vitamin D 4000IU daily (DRUG).
Who is sponsoring clinical trial NCT04355572?
This trial is sponsored by Yale University, which has 1,492 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT04355572 being conducted?
This trial has 1 study location across Connecticut. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Vitamin D Deficiency
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT04355572's enrollment target sits among peer trials
60 26th of 48 higher than 21 of 48 other Vitamin D Deficiency trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Vitamin D Deficiency trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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