Skin symptoms in patients with atopic dermatitis using enzyme-containing detergents: A placebo-controlled study

Andersen, Peter Hundevadt; Bindslev-Jensen, Carsten; Mosbech, Holger; Zachariae, Huch; Andersen, Klaus Ejner
April 1998
Acta Dermato-Venereologica;4/20/98, Vol. 78 Issue 1, p60
Academic Journal
Detergent enzymes may cause skin irritation and occasionally hypersensitivity reactions. The potential hazards of these enzymes have led some physicians to advise atopic dermatitis patients against the use of enzyme-enriched detergents. A three-phased randomised, double-blind, cross-over experiment was designed to question this recommendation. Each period was of 1 month's duration. In the first phase patients continued using their normal washing detergent. In phase II patients used trial detergent with or without added enzymes, and during phase III patients were given the opposite trial detergent. A total of 25 patients completed the study. The primary efficacy parameters were inter-period changes in corticosteroid usage and changes in SCORAD. Secondary efficacy parameters were altered subjective symptoms scored during the final 2 weeks of each interval. Analyses of all data revealed no statistical differences in any of the primary or secondary parameters comparing treatment and placebo periods. Our data therefore seem to exclude that atopic dermatitis may exacerbate during 1 month's exposure to enzyme-enriched detergents. Since no significant irritant capacity was detected in atopic dermatitis patients, it is unlikely that consumers with “normal skin” will experience any skin discomfort when enzyme-enriched detergents are used.


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