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OpenTrials
Completed

NCT Number: NCT02334592

Vitamin D Production Levels Achieved by Sunbed Tanning

Health Canada's Radiation Emitting Devices (RED) Act provides exposure time guidelines for sunbed use. These guidelines are intended to protect sunbed users from overexposure to UV radiation. Overexposure is defined as "exposure that exceeds the amount needed for vitamin D production and could lead to skin or eye damage. Acute overexposure induces sunburn." However, the effect of the recommended time exposure schedule on serum 25(OH)D response has not been characterized. Further, it is unknown if the maximum time exposures are required to reach and/or maintain optimal 25(OH)D levels. The aim of the current study is to characterize serum 25(OH)D response to regular sunbed use following the time exposure schedule recommended by Health Canada.

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Key information

Conditions

Healthy

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • 18 years and older, male or female

Exclusion criteria

  • History of skin cancer, granulomatous disease, liver disease, or kidney disease
  • Photosensitive medications
  • Pregnancy
  • Vitamin D supplementation within last 60 days
  • Sunbed use within last 60 days
  • Planned travel to sunny destination during study period (January to April 2014)

Treatment and study plan

Sunbed tanning

Radiation

Invention groups undergo a 12-week tanning protocol that follows Health Canada's RED Act

Primary outcomes

  1. To characterize serum 25(OH)D response to regular sunbed use, when performed according to the RED Act exposure time guidelines

    Time frame: 12 weeks

Secondary outcomes

  1. To characterize serum 25(OH)D response with respect to sunbed lamp output (100W, 160W and High Pressure).

    Time frame: 12 weeks

  2. To characterize serum 25(OH)D level with respect to skin lightness.

    Time frame: 12 weeks

Sponsors and collaborators

Lead sponsor

Vitamin D Society

Other

Registry information

Official study title

The Impact of Health Canada's Sunbed Exposure Time Guidelines on Serum 25(OH)D Concentrations

Important dates

Study start
2014
Primary completion
2014
Study completion
2014
First posted
Jan 8, 2015
Registry last updated
Jan 8, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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