Narasin is a novel agent that inhibits dengue virus replication in vitro through non-cytotoxic mechanisms. It is used for the treatment of coccidiosis from a class of protozoa. It has been shown to foster the apoptosis of tumor cells.
Bikaverin is a reddish pigment produced by different fungal species with antibiotic properties against certain protozoa and fungi. Bikaverin also has antitumoral activity against different cancer cell lines.