Corifungin refers to the sodium salt of amphotericin B. Although amphotericin B has become the primary drug of choice for treating primary amoebic meningoencephalitis, its use is associated with multiple side effects, including use-limiting renal toxicity. Initial reports for the in vivo efficacy of corifungin in a mouse model of primary amoebic meningoencephalitis showed activity superior to that of amphotericin B at equivalent dosing. Chemically, corifungin is the sodium salt of amphotericin B with excellent aqueous solubility. The increased solubility of corifungin is likely to account for the described increase in activity. Acea Biotech is developing corifungin for the treatment of fungal infections and amebic diseases. Acea has completed of host of animal studies on corifungin setting the stage to take the drug into the clinic. U.S. FDA has approved orphan drug status for corifungin for the treatment of primary amebic meningoencephalitis.

Ferroheme is formed when iron is inserted into protoporphyrin IX. The active center of hemoglobin and myoglobin consists of iron Ferroheme complex bound through a single, “proximal”, axial histidine (His) to the protein It is an iron containing cofactor that is involved with a wide range of cellular functions including oxygen transport. The antimalarial activity of a number of artemisinin derivatives, both newly synthesized and currently used as drugs, against Plasmodium falciparum in culture shows a correlation with their affinity of binding with Ferroheme.

2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) is a mutagenic and carcinogenic heterocyclic amine formed during ordinary cooking, and is subsequently metabolically activated by cytochrome P4501A2 (CYP1A2) and N-acetyltransferase 2 (NAT2). PhIP has been used in trials studying the basic science of Pancreas Cancer.

Cytochalasin B is a cell-permeable alkaloid, isolated from a fungus Helminthosporium dematioideum. Cytochalasin B is an inhibitor of actin polymerization through binding to the fast-growing (barbed) end of F-actin filaments. Cytochalasin is used in studies of actin polymerization, cell division, and cell movement. The compound also inhibits glucose transporters GLUT1,3 and 4 and was investigated in a clinical trial to prevent restenosis after angioplasty surgery.

Echinocandin B is a naturally occurring antibiotic, isolated from Aspergillus nidulans. It acts as an inhibitor of fungal β-1,3-glucan synthase thereby disrupting the formation of the fungal cell wall. The drug itself was not developed in the clinic, but instead, it was used in the production of other echinocandin derivatives.