Patent · US Active

Compositions and methods for treating toxoplasmosis, cryptosporidiosis, and other apicomplexan protozoan related diseases

US11247972B2 · kind B2 · utility

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22Claims
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Key dates

Filing dateJan 10, 2020
Grant dateFeb 15, 2022
Priority date
Expiry dateApr 25, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compositions and methods for the treatment of toxoplasmosis, caused by the infectious eukaryotic parasite Toxoplasma gondii (T. gondii) and for the treatment of cryptosporidiosis, caused by the infectious eukaryotic parasites Cryptosporidium parvum (C. parvum) and Cryptosporidium hominus (C. hominus) are described. In particular, the present disclosure is directed to compositions and methods for inhibiting either T. gondii calcium dependent protein kinases (TgCDPKs) or C. parvum and C. hominus calcium dependent protein kinases (CpCDPKs) using pyrazolopyrimidine and/or imidazo[1,5-a]pyrazine inhibitors, of the formula,

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