BACKGROUND Previous success rates of psoralen and ultraviolet A (PUVA) and narrowband UVB (NB-UVB) in the treatment of chronic urticaria are reported in few studies with no previous reports on the comparable efficacy of both modalities in the disease. AIM We aimed to compare the efficacy of PUVA versus NB-UVB in the treatment of chronic urticaria. METHODS Twenty-four patients with chronic u...

BACKGROUND The use of psoralen-UVA (PUVA) in patients of skin phototype I to II is limited by side effects of acute phototoxicity and possible long-term carcinogenesis. OBJECTIVE We sought to assess oral Polypodium leucotomos (PL) extract in decreasing PUVA-induced phototoxicity of human skin on a clinical and histologic level. METHODS A total of 10 healthy patients with skin phototypes II ...

Cellular senescence is a phenotype that is likely linked with aging. Recent concepts view different forms of senescence as permanently maintained DNA damage responses partially characterized by the presence of senescence-associated DNA damage foci at dysfunctional telomeres. Irradiation of primary human dermal fibroblasts with the photosensitizer 8-methoxypsoralen and ultraviolet A radiation (P...

Ultrastructural studies were conducted in order to determine morphologic and functional differences in melanocytes and melanosomes in PUVA lentigines and solar lentigines, and light-protected buttock skin. Compared to melanocytes in solar lentigines from 7 subjects and light-protected buttock skin from 5 subjects (none of these subjects had received UV radiation therapy), melanocytes in PUVA le...

OBJECTIVE To compare the therapeutic efficacy of narrowband (TL-01) UV-B phototherapy vs photochemotherapy (psoralen-UV-A [PUVA]) in patients with chronic plaque-type psoriasis. DESIGN Open, nonrandomized, intraindividually controlled paired comparison study. SETTING Phototherapeutic unit in a university hospital. PATIENTS Twenty-five patients with chronic plaque-type psoriasis. INTERVE...

BACKGROUND Few studies have directly compared the clinical efficacy of psoralen plus ultraviolet A (PUVA) vs. biologics in the treatment of psoriasis. OBJECTIVES To compare the clinical efficacy of PUVA and biologic therapies for psoriasis under daily life conditions. METHODS Data from a psoriasis registry (http://www.psoriasis-therapieregister.at) of 172 adult patients with moderate to sev...

The association between psoriasis vulgaris and bullous pemphigoid is due to the still unclear autoimmune process. The common disease site is the dermo-epidermal junction or basal membrane zone (BMZ), with specific alterations for both diseases. Photochemotherapy (PUVA) is one of the therapeutic modalities for psoriasis and can trigger production of autoantibodies against antigens in the BMZ in ...

Early-stage mycosis fungoides (MF) can be treated with different regimens such as oral photo-chemotherapy (Psoralen and UVA-PUVA). There have been some studies showing the effectiveness of combination of interferon (IFN) with PUVA. In this study, we aimed to evaluate retrospectively the patients with early-stage MF treated with IFN + PUVA. Six patients with the diagnosis of early stage (Ia-IIa)...

BACKGROUND Photochemotherapy with 8-methoxypsoralen and long-wavelength UV-A (PUVA) has been extensively used for the treatment of various skin diseases since its approval in 1982 by the US Food and Drug Administration. METHODS A retrospective study was performed of patients treated with PUVA, including topical and systemic treatment, over a period of 14 years. All patients were treated using...