Along with the first-ever approval by the FDA of a so-called checkpoint inhibitor, the anti-CTLA-4 drug Yervoy, in 2001, came vindication; the treatment modality of immuno-oncology (IO) had arrived. Anti-PD-1 drugs soon followed with even greater—far greater impact. But then came some failures, and the presumed bright future of other IO assets began to dim. Until now. The first LAG-3-targeting drug was recently approved, and as of ASCO 2022, Immutep’s LAG-3 asset is poised to replace IO/chemo in the front-line setting for NSCLC. Hear CEO Marc Voigt parse the data, and describe the development program going forward.