The study compared antituberculous efficacy of individual or combined administration of “free” isoniazid and liposomal form of dextrazide (a composition consisted of isoniazid and oxidized dextran) inhaled in standard (15 mg/kg) or low (3 mg/kg) dose. The therapy started 1 month after contamination of outbred ICR male mice with Mycobacterium tuberculosis strain H37Rv. Combined inhalation of liposomal form of dextrazide and isoniazid in the low dose was most effective against mycobacterium tuberculosis due to diminished prodestructive pulmonary effect and a low hepatotoxicity. A minor prodestructive effect of this combination was observed starting from 1.5 month after the onset of therapy (12 inhalations, 2 times a week), and it augmented after 24 inhalations administered during 3 months.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 168, No. 12, pp. 702-706, December, 2019
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Shkurupy, V.A., Cherdantseva, L.A., Kovner, A.V. et al. Efficacy of Inhalations of Antituberculous Compositions with Different Length of Experimental Therapy Course in Mice. Bull Exp Biol Med 168, 743–747 (2020). https://doi.org/10.1007/s10517-020-04793-x
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DOI: https://doi.org/10.1007/s10517-020-04793-x