John Libbey Eurotext




Frequency and relevance of positive patch tests to cyclohexylthiophthalimide, a new rubber allergen
European Journal of Dermatology. Volume 11, Numéro 5, 443-5, September - October 2001, Cas cliniques
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Auteur(s) : Sara HUYGENS, Annick BARBAUD, An GOOSSENS
Résumé : Cyclohexylthiophtalimide (CTP) is currently the most widely used vulcanization retarder in the rubber industry. Little is known about sensitization to CTP, although positive tests to it do occur in patients exposed to rubber objects. A retrospective study of 350 patients who were patch tested with the standard rubber chemical series was conducted in two departments of dermatology, one in Nancy, France, and one in Leuven, Belgium. Sixteen (4.6%) out of the 350 patients had clear and 6 (1.7%) had doubtful positive reactions to CTP. Cross-sensitivity with other molecules could not be determined. The source of sensitization in most cases seems to have been protective rubber gloves at work. In the other cases, sensitization was suspected to have been caused by rubber shoes, elastic bands in underwear, or other rubber objects. The determination of the relevance of positive tests remains difficult, especially since little is known about the components of rubber products.
Mots-clés : contact dermatitis, rubber, cyclohexylthiophthalimide

Frequency and relevance of positive patch tests to cyclohexylthiophthalimide, a new rubber allergen