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UVB Light and Sunscreen

NCT00818467 · Status: COMPLETED · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2009-12-01

No results posted yet for this study

Summary

Patients need vitamin D which is normally produced in the skin in response to ultraviolet light from the sun. Vitamin D is important for calcium absorption and good bone health. Physicians have been using sunscreens to protect patients from skin cancer and the aging effects of sunlight for a least a half a century. Dermatologists have promoted sunscreen use to restrict sunlight exposure especially in white Caucasians. If this behavior is done 100% of the time when outdoors individuals may suffer from vitamin D deficiency. It is impossible to influence persons' behavior to wear sunscreens all the time when outdoors. With the use of sunless tanning agent (DHA), once a week, we can obtain a continuous sunscreen in the top layer of the skin that will not wash off, can't be removed with soap and water, or removed by perspiration. Under these circumstances we can answer the scientific question, will sunscreen use inhibit the production of vitamin D in the skin?

Conditions

  • Vitamin D Status

Interventions

OTHER

Tanning spray

using 3% DHA twice a week for the 1st week and then once a week for 4 weeks and receiving 40mJ UV-B phototherapy three times a week for four weeks

OTHER

UVB

receiving 40mJ UV-B phototherapy three times a week for four weeks

Sponsors & Collaborators

  • The UV Foundation

    collaborator OTHER

  • Creighton University

    lead OTHER

Principal Investigators

  • Laura A Armas, MD · Creighton University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
19 Years
Max Age
50 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2008-05-31
Primary Completion
2009-02-28
Completion
2009-02-28

Countries

  • United States

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00818467 on ClinicalTrials.gov