Though cancer vaccines have been an area of great promise, in practice they have faced several challenges because of the heterogeneity of tumors, the ability of the tumor microenvironment to suppress the immune system, and the challenges of producing a strong and sustained T-cell response. OSE Immunotherapeutics’ off-the-shelf cancer vaccine Tedopi has shown promising results in a phase 3 study in patients with non-small cell lung cancer and the company is now conducting a confirmatory phase 3 study. We spoke to Nicolas Poirier, CEO of OSE Immunotherapeutics, about the company’s off-the-shelf cancer vaccine, non-small cell lung cancer, and how it is leveraging its immune system expertise through partnerships with leading pharmaceutical companies.