Atopic Dermatitis
Conditions
Keywords
UVA1, N-B UVB, phototherapy, atopic dermatitis, SCORAD index
Brief summary
Atopic dermatitis (AD) is a very common disorder that is characterized by pruritic inflammatory skin lesions, with patients usually having an individual or family history of atopic diseases in their background. Phototherapy is among the first-line approaches in the management of AD. In this context, a variety of studies have shown a beneficial effect of natural or artificial UV radiation in atopic dermatitis (AD). The past ten years have seen the introduction of new phototherapeutic regimens for AD, including UVA1 and NB-UVB.UVA1 seems to be more effective than the above mentioned broadband spectra, in particular in acute severe AD. The aim of the present study is the comparison of UVA1 and NB-UVB phototherapy in the treatment of AD. Additionally, the course of several cytokines, human beta-defensins, and SMAD-proteins will be evaluated during the course of treatment.
Detailed description
Atopic dermatitis (AD) is a very common disorder that is characterized by pruritic inflammatory skin lesions, with patients usually having an individual or family history of atopic diseases in their background (e.g., allergic asthma and rhinitis). Defective skin barrier, immunological dysfunctions (type I and IV allergy), genetic disorders, and psychological factors contribute to the pathogenesis of AD. However, among these factors, CD4+ Th cells are reported to play a particularly crucial role in the pathogenesis of AD. Phototherapy is among the first-line approaches in the management of AD. In this context, a variety of studies have shown a beneficial effect of natural or artificial UV radiation in atopic dermatitis (AD). Different broadband UV spectra (BB-UVA, BB-UVB, BB-UVA/BB-UVB) and combined treatment modalities such as balneophototherapy and PUVA have previously been proven to be effective in AD. However the past ten years have seen the introduction of new phototherapeutic regimens for AD, including UVA1 and NB-UVB.UVA1 seems to be more effective than the above mentioned broadband spectra, in particular in acute severe AD. The aim of the present study is the comparison of UVA1 and NB-UVB phototherapy in the treatment of AD. Additionally, the course of several cytokines, human beta-defensins, and SMAD-proteins will be evaluated during the course of treatment.
Interventions
PROCEDUREUVA1 phototherapy
PROCEDURENB-UVB phototherapy
Sponsors
Ruhr University of Bochum
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Patients with chronic AD (Hanifin and Rajka, 1980); moderate to severe disease with SCORAD-index \> 30 (maximum = 102). * Age \> 18 years * No topical steroids (except 1% hydrocortisone) or topical/systemic antibiotics or antihistamines within the last 2 weeks, no systemic glucocorticosteroids or other immunosuppressive agents within the last 8 weeks, no phototherapy within the last 12 weeks before inclusion
Exclusion criteria
* Pregnancy or lactation * Skin cancer or dysplastic naevi, photosensitive skin diseases, autoimmune diseases or relevant cardiovascular diseases * Photo-skin type I according to Fitzpatrick
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clinical improvement during UVA1/NB-UVB phototherapy using a validated | — |
| SCORAD index | — |
Secondary
| Measure | Time frame |
|---|---|
| Comparison of efficacy between UVA1 and NB-UVB phototherapy using a validated | — |
| SCORAD index | — |
Countries
Germany
Outcome results
None listed