Validation of a New Hand Held Light Emitting Diode Device for the Determination of Minimal Erythema Dose (MED)

Validation of a New Hand Held Light Emitting Diode (LED) Device for the Determination of Minimal Erythema Dose (MED) for Narrowband Ultraviolet B.

Status

Withdrawn

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01818154

Enrollment

Registered

2013-03-26

Start date

2012-05-31

Completion date

2013-12-31

Last updated

2022-03-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Phototherapy

Keywords

phototherapy, light emitting diode, minimal erythema dose, narrowband UVB

Brief summary

The purpose of this study is to validate a new hand held light emitting diode (LED) device for the measurement of minimal erythema dose (MED) for narrow band Ultraviolet B (UVB) radiation by comparing to the traditional approach of measurement of the minimal erythema dose.

Interventions

OTHERLED phototherapy

OTHERnarrowband UVB phototherapy

Study design

Allocation

NON_RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

OTHER

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to 120 Years

Healthy volunteers

Yes

Inclusion criteria

1\. Age greater than 18 years.

Exclusion criteria

1. Pregnancy 2. Lactation 3. History of photosensitivity disorder 4. Photosensitizing medications 5. Personal history of melanoma or non-melanoma skin cancer. 6. Skin disease on the back

Design outcomes

Primary

Measure	Time frame	Description
Minimal Erythema Dose	1 day	The Investigator will look at area irradiated and evaluate for erythema. The lowest dose at which erythema is noted will be recorded as the minimal erythema dose.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026