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Completed Phase 1 Interventional Accepts healthy volunteers

Vitamin D Levels in the Skin of Healthy Subjects After Oral Supplementation

ClinicalTrials.gov ID: NCT01447355

Public ClinicalTrials.gov record NCT01447355. 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 Sep 1, 2026, 7:47 PM EDT

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

Official title

Pilot Study on the Bioactivity of Vitamin D in the Skin After Oral Supplementation

Brief summary

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

This pilot phase I trial studies vitamin D levels in the skin of healthy subjects after oral supplementation. Chemoprevention is the use of certain drugs to keep cancer from forming. The use of cholecalciferol, a vitamin D, may keep skin cancer from forming.

Study identification

NCT ID
NCT01447355
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Enrollment
25 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years and older
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
Jul 31, 2012
Primary completion
Sep 30, 2012
Completion
May 31, 2013
Last update posted
Oct 7, 2014

2012 – 2013

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Arizona Health Sciences Center Tucson Arizona 85724

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 NCT01447355, 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 Oct 7, 2014 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01447355 live on ClinicalTrials.gov.

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