Tizoxanide, the primary active metabolite of the FDA approved drug nitazoxanide, an anti-infective that has been approved for the treatment of diarrhea caused by Giardia lamblia. Tizoxanide, an active metabolite of nitazoxanide in humans, is also an antiparasitic drug of the thiazolide class. It has broad-spectrum antiparasitic and broad-spectrum antiviral properties. Besides, it has being found that Tizoxanide exhibits appreciable antagonist activity for both mGluR1 and mGluR5 (IC50 = 1.8 uM and 1.2 uM, respectively).

Quinafimide is an investigational compound that has been used in trials for the treatment of Amoebiasis and Helminthiasis. This phase 4 trial combined Quinfamide with the approved compound Mebendazole. The details of the mechanism of action are not known, but the overall effect is intraluminal immobilization of the Entamoeba.

Tizoxanide, the primary active metabolite of the FDA approved drug nitazoxanide, an anti-infective that has been approved for the treatment of diarrhea caused by Giardia lamblia. Tizoxanide, an active metabolite of nitazoxanide in humans, is also an antiparasitic drug of the thiazolide class. It has broad-spectrum antiparasitic and broad-spectrum antiviral properties. Besides, it has being found that Tizoxanide exhibits appreciable antagonist activity for both mGluR1 and mGluR5 (IC50 = 1.8 uM and 1.2 uM, respectively).