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Selection and optimization of hits from a high-throughput phenotypic screen againstTrypanosoma cruzi

Keenan, M., Alexander, P.W., Chaplin, J.H., Abbott, M.J., Diao, H., Wang, Z., Best, W.M., Perez, C.J., Cornwall, S.M.J., Keatley, S.K., Thompson, R.C.A., Charman, S.A., White, K.L., Ryan, E., Chen, G., Loset, J-R, von Geldern, T.W. and Chatelain, E. (2013) Selection and optimization of hits from a high-throughput phenotypic screen againstTrypanosoma cruzi. Future Medicinal Chemistry, 5 (15). pp. 1733-1752.

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Background: Inhibitors of Trypanosoma cruzi with novel mechanisms of action are urgently required to diversify the current clinical and preclinical pipelines. Increasing the number and diversity of hits available for assessment at the beginning of the discovery process will help to achieve this aim. Results: We report the evaluation of multiple hits generated from a high-throughput screen to identify inhibitors of T. cruzi and from these studies the discovery of two novel series currently in lead optimization. Lead compounds from these series potently and selectively inhibit growth of T. cruzi in vitro and the most advanced compound is orally active in a subchronic mouse model of T. cruzi infection. Conclusion: High-throughput screening of novel compound collections has an important role to play in diversifying the trypanosomatid drug discovery portfolio. A new T. cruzi inhibitor series with good drug-like properties and promising in vivo efficacy has been identified through this process.

Item Type: Journal Article
Murdoch Affiliation(s): School of Veterinary and Life Sciences
Publisher: Future Science
Copyright: © 2013 Future Science Ltd.
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