Tetrandrine, isolated from the root of Stephania tetrandra S Moore, is a traditional Chinese clinical agent for silicosis, autoimmune disorders, inflammatory pulmonary diseases, cardiovascular diseases and hypertension. Tetrandrine is a potent MDR-reversing agent and is an ABCB1/ABCC1 inhibitor. Tetrandrine (CBT-1) is being developed by CBA Pharma, as an adjunctive therapy to chemotherapy in various cancer types with multiple drug resistance (MDR), including acute myelogenous leukemia , Breast, Non-Hodgkin’s Lymphoma, Hodgkin’s disease, Non-Small Cell Lung Cancer, Multiple Myeloma, Gallbladder, Pancreatic, Gastrointestinal Tract, Small Cell Lung Cancer, Bladder, Head & Neck, and Sarcoma.

Enviomycin, antimicrobial drug, was isolated in Japan from fermentation broth of Syteptomyces griseoverticillatus var tuberacticus. This drug, a water-soluble, basic peptide, is effective against tubercle bacilli as well as some gram-positive and gram-negative bacteria. It is related to viomycin and cepreomycin in some of its physicochemical properties. It is used for the treatment of Mycobacterium avium caused lung diseases.

Morinamide is a second line anti-tuberculous agent. In vitro morinamide demonstrated clear dose-dependent bacteriostatic and bactericidal activities. The anti-mycobacterial effect of morinamide was the same as pyrazinamide and was dependent on the acidity of medium (pH 5.6). Liver function test abnormalities following morinamide therapy are usually mild, and onset of jaundice is extremely uncommon. It has been given orally as the hydrochloride in the treatment of tuberculosis.