Antiplasmodial Activity of Artemether-Lumefantrine-Tinidazole on Plasmodium Berghei Infected Mice
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Keywords

Tinidazole
Artemeter/Lumefantrine
Antiplasmodial
P. berghei
Mice

How to Cite

1.
Georgewill U, Harold M, Elias A. Antiplasmodial Activity of Artemether-Lumefantrine-Tinidazole on Plasmodium Berghei Infected Mice. Health Sci. [Internet]. 2020 Oct. 22 [cited 2022 May 16];. Available from: https://mbmj.org/index.php/hs/article/view/246

Abstract

Introducion: The impact of malaria scourge has been characterized by daunting challenges including antimalarial drug resistance. This necessitates the search for newer antimalaria drugs using approaches including drug repurposing. This study assessed whether Tinidazole (T) can be repurposed as antimalaria in combination with artemether/lumefantrine (A/L) in Plasmodium berghei infected mice. Materials and Methods: Plasmodium berghei infected mice were grouped and orally treated with A/L (2.3/13.7mg/kg), T (28.6 mg/kg), and A/L/T daily in curative, suppressive and prophylactic studies. The negative control (NC) and positive control (MC) were orally treated with 0.9% normal saline (0.2mL) and chloroquine (CQ) (10mg/kg) daily for 4 days, respectively. After drug administration, blood samples were collected and evaluated for parasitemia level, lipid, and hematological parameters. Results: Significant decreases in parasitemia levels in the curative, suppressive, and prophylactic groups were observed in mice treated with T (28.6 mg/kg) (p<0.05), A/L (2.3/13.7 mg/kg) (p<0.01), and A/L/T (p<0.001) when compared to negative control. Mean survival times were significantly increased at T (28.6 mg/kg) (p<0.05), A/L (2.3/13.7mg/kg) (p<0.01) and A/L/T (p<0.001) when compared to negative control. Red blood cells, hemoglobin, packed cell volume, high-density lipoprotein, cholesterol levels were significantly (p<0.001) increased whereas white blood cells, total cholesterol, triglyceride, and low-density lipoprotein cholesterol levels were significantly decreased at T (28.6 mg/kg) (p<0.05), A/L (2.3/13.7mg/kg) (p<0.01) and A/L/T (p<0.001) when compared to a negative control. The antiplasmodial effect of A/L/T differs significantly (p<0.05) when compared to positive control. Conclusion: This study recommends the repurposing of tinidazole in combination with artemether/lumefantrine for malaria treatment and further studies in humans.

https://doi.org/10.15342/hs.2020.246
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