[Betamethasone and aqueous extract of Arctium lappa for treating angiostrongyliasis].

Rev Soc Bras Med Trop

Setor de Farmacologia, Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, RS, Brazil.

Published: May 2009

AI Article Synopsis

  • Angiostrongylus costaricensis is a parasite responsible for abdominal angiostrongyliasis in humans, with treatments currently involving anti-inflammatory drugs like betamethasone and Arctium lappa, despite insufficient research backing them.
  • The study investigated how these treatments impacted intestinal lesions in infected mice, comparing groups treated with betamethasone, Arctium lappa, an untreated group, and a control group.
  • Results indicated that betamethasone worsened the lesions, while Arctium lappa had no effect, suggesting that neither treatment is effective for managing the condition in humans.

Article Abstract

Angiostrongylus costaricensis is a parasite that causes abdominal angiostrongyliasis in humans. The treatment for it includes the use of anti-inflammatory drugs, despite the lack of studies to justify this approach. The objective of this paper was to evaluate the effect of betamethasone and Arctium lappa on the evolution of intestinal lesions induced by this parasite. Adult male Swiss mice were used, distributed into four groups: infected and treated with betamethasone; infected and treated with Arctium lappa; infected and not treated; and control group. The treatments were started on the 15th day after infection and continued for 15 days. The presence of eosinophilic infiltration and granuloma was evaluated (1-mild; 2-moderate; 3-severe). Betamethasone allowed the lesions to evolve into more severe forms, while the extract did not interfere with disease progression. The substances applied were ineffective for protection against the lesions induced by Angiostrongylus costaricensis in mice. These findings discourage the use of betamethasone and Arctium lappa for humans affected by abdominal angiostrongyliasis.

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http://dx.doi.org/10.1590/s0037-86822008000600018DOI Listing

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