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Researchers have identified new antiparasitic agents derived from 1,2,3-triazine, showing promising results against Trypanosoma cruzi and Leishmania mexicana. These neglected tropical diseases continue to pose significant public health challenges globally. Consequently, the discovery of novel chemical scaffolds is essential for improving therapeutic outcomes.
The study synthesized several derivatives, including 4-carboxylate-1,2,3-triazine 1-oxide and its analogs. Researchers evaluated these compounds for their in vitro and in vivo efficacy. Specifically, compound 2r exhibited a potency four times greater than benznidazole against T. cruzi epimastigotes. Furthermore, the 1,2,3-triazine (1i) and its dihydro analog (3i) reduced parasitemia by 40% in mouse models.
Regarding Leishmaniasis, compound 3r showed activity comparable to miltefosine. Additionally, compound 2i reduced parasitemia by up to 70% in vivo. These results suggest that 1,2,3-triazine derivatives could serve as a foundation for future drug development. The researchers also explored the inhibition of trypanothione reductase as a potential mode of action.
Moreover, these findings highlight the potential of N-oxide derivatives in affecting the antioxidant systems of protozoal parasites. This mechanism of action provides a distinct advantage over existing therapies. Therefore, the researchers believe these analogs warrant further clinical evaluation to address current treatment limitations.
Compound 2r demonstrated exceptional potency, being four times more effective than the standard treatment, benznidazole, in specific models.
Compound 3r showed similar efficacy to miltefosine, while compound 2i significantly reduced parasitemia in animal models, indicating high therapeutic potential.
Disclaimer: This content is for informational and educational purposes only. It is not intended to provide any medical advice or be used for diagnosing or treating any health problem or disease. Patients should always consult with a qualified healthcare professional for medical advice and treatment. Refer to the latest local and national guidelines for clinical practice.
References
1. Navarrete-Carriola DV et al. Discovery of 4-carboxylate-1,2,3-triazine 1-oxide, their 1,2,3-triazine, and the 3,6-dihydro analogs, as new agents against Chagas diseases and Leishmaniasis. Biomed Pharmacother. 2026 May 12. doi: undefined. PMID: 42119274.
2. World Health Organization. Leishmaniasis. Available at: https://www.who.int/news-room/fact-sheets/detail/leishmaniasis
3. Drugs for Neglected Diseases initiative (DNDi). Chagas Disease. Available at: https://dndi.org/diseases/chagas/
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A study discovers 1,2,3-triazine derivatives that outperform benznidazole and miltefosine in treating Chagas disease and Leishmaniasis in preclinical models...
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