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Skin irritation by dithranol (anthralin) and its 10‐acyl analogues in 3 animal models

Pekka T. Männistö, Anita Havas, Kristiina Haasio, H Hanhijärvi, K. K. Mustakallio

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Abstract

The skin irritant properties of a single application of dithranol (anthralin), a typical "delayed irritant", and its 10-acyl analogues in acetone or white petrolatum were compared in 3 animals models. Maximal irritation was reached at about 24 h in mouse ear, 48 h in guinea pig back and 1 week in miniature swine back, the last-mentioned serving as a good model of human skin. In all animal species, butantrone was significantly less irritant than dithranol, 10-acetyl dithranol or 10-propionyl dithranol. 10-acetyl dithranol was the most irritant compound. Clinical trials with butantrone on psoriasis are justified.

About this research paper

What this paper is about

The skin irritant properties of a single application of dithranol (anthralin), a typical "delayed irritant", and its 10-acyl analogues in acetone or white petrolatum were compared in 3 animals models. Maximal irritation was reached at about 24 h in mouse ear, 48 h in guinea pig back and 1 week in miniature swine back, the last-mentioned serving as a good model of human skin. In all animal species, butantrone was significantly less irritant than dithranol, 10-acetyl dithranol or 10-propionyl dithranol. 10-acetyl dithranol was the most irritant compound. Clinical trials with butantrone on psoriasis are justified.

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OpenAlex reports 17 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The skin irritant properties of a single application of dithranol (anthralin), a typical "delayed irritant", and its 10-acyl analogues in acetone or white petrolatum were compared in 3 animals models. Maximal irritation was reached at about 24 h in mouse ear, 48 h in guinea pig back and 1 week in miniature swine back, the last-mentioned serving as a good model of human skin. In all animal species, butantrone was significantly less irritant than dithranol, 10-acetyl dithranol or 10-propionyl dithranol. 10-acetyl dithranol was the most irritant compound. Clinical trials with butantrone on psoriasis are justified.

Key concepts: Dithranol, Irritation, Psoriasis, Dermatology, Irritant contact dermatitis, Chemistry, Skin irritation, Animal model

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Skin irritation by dithranol (anthralin) and its 10‐acyl analogues in 3 animal models — Research Paper | ScholarLens