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Toxicological profile of IQG-607 after single and repeated oral administration in minipigs: An essential step towards phase I clinical trial. | LitMetric

Toxicological profile of IQG-607 after single and repeated oral administration in minipigs: An essential step towards phase I clinical trial.

Regul Toxicol Pharmacol

Centro de Pesquisas Em Biologia Molecular e Funcional (CPBMF) and Instituto Nacional de Ciência e Tecnologia Em Tuberculose (INCT-TB), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), Av. Ipiranga 6681 - Prédio 92A Tecnopuc, 90619-900 Porto Alegre, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, PUCRS, Porto Alegre, Brazil.

Published: November 2017

AI Article Synopsis

Article Abstract

IQG-607 is an anti-tuberculosis drug candidate, with a promising safety and efficacy profile in models of tuberculosis infection both in vitro and in vivo. Here, we evaluated the safety and the possible toxic effects of IQG-607 after acute and 90-day repeated administrations in minipigs. Single oral administration of IQG-607 (220 mg/kg) to female and male minipigs did not result in any morbidity or mortality. No gross lesions were observed in the minipigs at necropsy. Repeated administration of IQG 607 (65, 30, or 15 mg/kg), given orally, for 90 days, in both male and female animals did not cause any mortality and no significant body mass alteration. Diarrhea and alopecia were the clinical signs observed in animals dosed with IQG-607 for 90 days. Long-term treatment with IQG-607 did not induce evident alterations of blood cell counts or any hematological parameters. Importantly, the repeated schedule of administration of IQG-607 resulted in increased cholesterol levels, increased glucose levels, decrease in the globulin levels, and increased creatinine levels over the time. Most necropsy and histopathological alterations of the organs from IQG-607-treated groups were also observed for the untreated group. In addition, pharmacokinetic parameters were evaluated. IQG-607 represents a potential candidate molecule for anti-tuberculosis drug development programs. Its promising in vivo activity and mild to moderate toxic events detected in this study suggest that IQG-607 represents a candidate for clinical development.

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Source
http://dx.doi.org/10.1016/j.yrtph.2017.08.015DOI Listing

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