Decreasing trends in methyldibromo glutaronitrile contact allergy--following regulatory intervention

Jeanne D Johansen, Niels Veien, Grete Laurberg, Christian Avnstorp, Knud Kaaber, Klaus E Andersen, Evy Paulsen, Mette Sommerlund, Jens Thormann, Niels H Nielsen, Susanne Vissing, Ove Kristensen, Berit Kristensen, Tove Agner, Torkil Menné

73 Citationer (Scopus)

Abstract

BACKGROUND: The preservative methyldibromo glutaronitrile (MDBGN) has been banned, first from stay-on, and later from rinse-off cosmetics, in the EU countries because of increasing rates of contact allergy.

OBJECTIVES: To evaluate the frequency of contact allergy to MDBGN among patients patch tested by the Danish Contact Dermatitis Group just before and following regulatory decisions.

PATIENTS/METHODS: The data set comprised 19 279 consecutive eczema patients patch tested from 2003-2007 with MDBGN 0.3% in petrolatum (pet.) or, in a minority of patients, with Euxyl K 400 1.5% in pet.

RESULTS: A significantly decreasing trend in the frequency of positive patch tests to MDBGN was found from 4.6% in 2003 to 2.6% in 2007 (P < 0.001). The decreasing trend was seen for both men and women. A significantly decreasing proportion of cases with a current relevance of contact allergy to MDBGN was also seen from 51.3% in 2003 to 29% in 2007 (P < 0.001).

CONCLUSIONS: Regulatory interventions have already had a major effect on allergic disease due to MDBGN in Denmark. The same trends are likely to be seen in other EU countries.

OriginalsprogEngelsk
TidsskriftContact Dermatitis
Vol/bind59
Udgave nummer1
Sider (fra-til)48-51
Antal sider4
ISSN0105-1873
DOI
StatusUdgivet - jul. 2008

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