Lyell Immunopharma develops advanced cell therapies aimed at treating solid tumors, which are cancerous tissue masses. The company focuses on enhancing T cells, a type of immune cell, to effectively target and eliminate cancer cells. Their approach includes genetic and epigenetic reprogramming of T cells to address challenges like T cell exhaustion and to ensure T cells can persist in the body. Unlike many competitors, Lyell is dedicated to creating curative treatments specifically for solid tumors, utilizing a diverse product pipeline that explores various treatment methods. The goal is to push the limits of current cancer therapies and provide effective solutions where traditional treatments have not succeeded.