Arteether TM is among the recent drugs that are used to combat chloroquine-resistant malarial parasites. This study examined the effects of arteether TM on enzyme biomarkers of the liver, serum protein concentrations, and liver morphology. Twenty (20) adult albino Wistar rats weighing 200 -250 g were randomly divided into four groups (A, B, C and D) of five animals each, and used in this study. Group A rats were given intramuscular (i. m.) arteether TM (3 mg/kg b. w.) daily for 3 days. Group B rats received i. m. arteether TM (6 mg/kg b. w.) daily for 3 days. Group C rats were given i. m. arteether TM (3 mg/kg b. w.) daily for 3 days. The same dose was repeated at two-weekly intervals for 4 further weeks, while group D rats which received normal saline (0.9 % w/ v, 3 ml/kg b.w.), served as controls. At the end of the experiment, the body weights of the animals were determined and recorded. Serum levels of alanine transaminase (ALT), aspartate transaminase (ASP), alkaline phosphatase (ALP), total protein (TP) and albumin were assayed, and histological studies were performed. Results obtained show no significant difference (P<0.05) in liver enzymes (ALT, ASP, ALP). TP and albumin were significantly reduced in group C rats. Histological studies revealed no cyto-architectural changes. It is concluded that at therapeutic doses, arteether TM is well tolerated in Wistar rats. .
Introduction: Arteether™, a derivative of artemisinin, is among the recent drugs that have given renewed hope for combating malarial menace. The present study investigated the effects of arteether™ on the histology of the retina and cerebellum of Wistar rats. Materials and Methods: Twenty adult albino Wistar rats weighing 150-200 g, were randomly divided into four groups (A, B, C and D) of five animals each and used for this study. Group A rats were given intramuscular (i.m.) arteether™ (3 mg/kg b.w.) daily for 3 days. Group B rats were given i.m. arteether™ (6 mg/kg b.w.) daily for 3 days. Group C rats were also given i. m. of arteether™ (3 mg/kg b. w.) daily for 3 days, and the same dose was repeated at two-weekly intervals for 4 further weeks; while Group D rats which received normal saline (0.9 % w/v, 3 ml/kg b.w.), served as controls. At the end of the experiment, the rats were sacrificed by cervical dislocation. The retina and cerebellum were excised and processed routinely for histopathology changes, using haematoxylin and eosin stain (H & E), as well as Nissl stain. Results: Results obtained showed normal cellular components of the retina and cerebellum in all groups, and no cyto-pathological changes were observed. Conclusion: Thus, this study showed that under light microscopic examination, therapeutic doses of arteether™ caused no significant cyto-pathologic changes in the retina and cerebellum of Wistar rats.
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