Anthelmintic efficacy of Fenbendazole and Niclosamide suspensions obtained by liquid phase mechano-chemical treatment
2024
A. I. Varlamova | M. S. Khalikov | S. S. Khalikov | I. A. Arkhipov
The purpose of the research is to study the anthelmintic efficacy of suspensions based on a combined solid dispersion of Fenbendazole and Niclosamide.Materials and methods. Mechanochemistry methods were used to prepare suspensions of Fenbendazole (FBZ) and Niclosamide (NSM) substances, in particular, liquid phase grinding of substances with additives (licorice extract, polyvinylpyrrolidone (PVP)) in water or in aqueous sodium carboxymethylcellulose (NaCMC) solution. The grinding was conducted in LE-101 roller mill at energy intensity of 1 g for 1 hour at a roll rotation speed of 60–70 rpm. The resulting suspension samples of combined FBZ and NSM dispersions were studied for cestodocidal activity on a laboratory model of hymenolepiosis of white mice that were infected at a dose of 200 infective Hymenolepis nana eggs per animal.Results and discussion. The 100% efficacy of a combined NaCMC-based drug suspension containing FBZ 13 mg and NSM 130 mg in 1 g of suspension was achieved at a dose of 20 mg/kg of NSM and 2 mg/kg of FBZ. The suspension based on licorice extract, NaCMC, and dioctyl sulfosuccinate sodium salt containing FBZ 18.6 mg and NSM 186 mg in 1 g of suspension at the same dose, i.e. 20 mg/kg of NSM and 2 mg/kg of FBZ showed 71.43% efficacy against H. nana. The suspension based on licorice extract and NaCMC containing FBZ 24.6 mg and NSM 246 mg in 1 g of suspension at the same dose showed a 62.0% effect against H. nana. The activity of the basic drug, the FBZ and NSM suspension was 28.58% at this dose without using mechano-chemical treatment.
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