New Tools for Cryptosporidium Lead to New Hope for Cryptosporidiosis.

The pyrazolopyridine KDU731 is a promising drug candidate for treatment of diarrhea caused by Cryptosporidium in young children in the resource-limited world. KDU731, a PI (4) kinase inhibitor, blocks Cryptosporidium infection in vitro and in vivo in immunocompromised mice and dramatically reduces oocyst shedding, diarrhea, and dehydration in neonatal calves.