UVA Light Therapy study
Purpose
The purpose of this investigation is to study the effectiveness of longer
wavelength UVA1 (340-400nm) or shorter wavelength ultraviolet B [UVB]
(290-320nm) irradiation in the treatment of inflammatory skin conditions (such
as: atopic dermatitis, psoriasis, mycosis fungoides, alopecia areata, stretch
marks and urticaria).
This research study aims to evaluate the effectiveness of an investigational
device which is similar in appearance to a “tanning bed” but which emits
ultraviolet irradiation of a specific wavelength known as UVA1. This device has
not been approved by the Food and Drug Administration (FDA) for general use in
this country, as of yet, but it has been used quite successfully in Europe for
several years in treating such conditions as scleroderma, atopic dermatitis,
urticaria pigmentosa and other skin conditions.
Instead of UVA1 therapy, patients may receive ultraviolet radiation of a
specific wavelength known as UVB. UVA1 light is a longer wavelength and
therefore a lower energy wavelength than UVB. UVB light is often the light
associated with getting a sunburn since it has a higher level of energy. UVB
light has been used successfully in the treatment of many skin conditions.
Eligibility
Ages Eligible for Study: 10 Years
- 80 Years, Genders Eligible for Study: Both
Inclusion Criteria:
- Ages: 10-80 years
- Clinical diagnosis of inflammatory dermatoses such as atopic dermatitis,
psoriasis, mycosis fungoides, alopecia areata, and urticaria.
- No disease states or physical conditions that would impair evaluation of the
test site.
- Willing and able to receive UVA1 or UVB, as directed in the protocol; make
evaluation visits; and follow protocol restrictions.
- Signed, written, witnessed, informed consent form.
- Must live within a reasonable driving distance of
Ann Arbor, Michigan, and/or be able to attend all of the scheduled appointments
during the study.
Exclusion Criteria:
- History of photosensitivity (development of hives or
bumps with exposure to light).
- UVA1 or UVB irradiation hypersensitivity in a UVA1/UVB photo-provocation
test.
- Pregnant or nursing women.
- Involved in an investigational study within the previous 4 weeks.
- Presence of bacterial superinfection.
- Taken oral therapy for skin condition within the last 4 weeks
- Topical steroid therapy within the last 2 weeks
- History of excessive scar formation or keloids
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