TSLP and asthma: Tezepelumab is an antibody that blocks function of TSLP, and trials have demonstrated that patients with severe uncontrolled asthma have reduced exacerbations, better asthma control, and improved health-related quality of life after receiving Tezepelumab than patients on placebo (Corren et al., 2017; Menzies-Gow et al., 2021).