Immutep Ltd.’s lead immunotherapy candidate, eftilagimod (IMP-321, efti), plus pembrolizumab reverted previous resistance to PD-1/PD-L1 therapy in part B of the TACTI-002 phase II trial in second-line metastatic non-small-cell lung cancer (NSCLC) in patients refractory to anti-PD-1/PD-L1 therapy.