Pretomanid, a novel compound developed by the non-profit organization, TB Alliance, was approved by the U.S. FDA for treating some of the most drug-resistant forms of tuberculosis (TB). The new drug was approved under the Limited Population Pathway for Antibacterial and Antifungal Drugs (LPAD pathway) as part of a three-drug, six-month, all-oral regimen for the treatment of people with extensively drug-resistant TB (XDR-TB) or multidrug-resistant TB (MDR-TB) who are treatment-intolerant or non-r...