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Questionable Efficacy of Therapeutic Antibodies in the Treatment of Anthrax

Abstract : Inhalational anthrax caused by Bacillus anthracis, a spore-forming Gram-positive bacterium, is a highly lethal infection. Antibodies targeting the protective antigen (PA) binding component of the toxins have recently been authorized as an adjunct to antibiotics, although no conclusive evidence demonstrates that anthrax antitoxin therapy has any significant benefit. We discuss here the rational basis of anti-PA development regarding the pathogenesis of the disease. We argue that inductive reasoning may induce therapeutic bias. We identified anthrax animal model analysis as another bias. Further studies are needed to assess the benefit of anti-PA antibodies in the treatment of inhalational anthrax, while a clearer consensus should be established around what evidence should be proven in an anthrax model.
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https://hal-pasteur.archives-ouvertes.fr/pasteur-03293178
Contributor : Goossens Pl Goossens <>
Submitted on : Tuesday, July 20, 2021 - 5:52:23 PM
Last modification on : Thursday, July 22, 2021 - 3:31:07 AM

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Jean-Nicolas Tournier, Clémence Rougeaux, Fabrice Biot, Pierre Goossens. Questionable Efficacy of Therapeutic Antibodies in the Treatment of Anthrax. MSphere, American Society for Microbiology., 2019, 4 (3), pp.e00282-19. ⟨10.1128/mSphere.00282-19⟩. ⟨pasteur-03293178⟩

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