On Tuesday 10th of September the 12th edition of the International Workshop on Pharmacology of Tuberculosis Drugs took place in London. The annual platform brings together experts to share the latest findings in the field of TB clinical pharmacology. From this perspective, Lindsey te Brake presented the PK findings of the PanACEAII HR1 trial. Elin Svensson gave a presentation on exposures, treatment response and biomarkers, also a key theme of the PanACEAII project.