Abstract

The need for newer, effective drugs with different modes of action against tuberculosis is great, despite the numerous drugs in clinical use and the development of Bacilli Calmette-Guerin (BCG) vaccine. Three major goals should be considered in the development of new antituberculosis drugs: 1) they should be fast acting to reduce the long duration of treatment, thereby avoiding drug toxicity; 2) they should be active against both sensitive and resistant strains of tubercle bacilli; and 3) they should possess significant activity against dormant bacilli, which represent the stage affecting one-third of the world's tuberculosis patients. This review provides an overview of important current drugs, novel targets for the development of antituberculosis agents and future drug candidates.

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