GLS and neoplasm: Other compounds such as V-9302, a selective ASCT2 inhibitor, or CB-839, a glutaminase inhibitor, have also been tested in preclinical models resulting in an amelioration of anti-tumour immunity and subsequent enhanced tumour control (Edwards et al. 2021; Reinfeld et al. 2021; Schulte et al. 2018; Varghese et al. 2021).