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Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of Daily Vitamin D3 Supplementation in Normal Weight Adolescents

ClinicalTrials.gov ID: NCT01058720

Public ClinicalTrials.gov record NCT01058720. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 2, 2026, 5:24 PM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Pilot Study to Evaluate the Efficacy of Daily Vitamin D3 Supplementation in Normal Weight Adolescents

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The study is designed to evaluate the increment of serum 25 (OH) vitamin D levels in normal weight adolescents following a 12-week supplementation with Vitamin D3 2000 IU/day.

Study identification

NCT ID
NCT01058720
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Mayo Clinic
Other
Enrollment
20 participants

Conditions and interventions

Interventions

Dietary Supplement

Eligibility (public fields only)

Age range
12 Years to 18 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 2009 (Type not available)
Primary completion
Jan 2011 (Actual)
Completion
Jan 2011 (Actual)
Last update posted
Jan 1, 2016

2009 – 2011

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Mayo Clinic Rochester Minnesota 55905 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01058720, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 1, 2016 · Synced Nov 2, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01058720 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →