Update on SOURCE Phase III trial for tezepelumab in patients with severe, oral corticosteroid-dependent asthma
AstraZeneca and Amgen today announced high-level results from the SOURCE Phase III trial which assessed the efficacy and safety of the potential new medicine tezepelumab compared to placebo in 150 severe asthma patients who required maintenance use of oral corticosteroids (OCS) on top of standard of care (SoC). The 48-week trial did not meet the primary endpoint of a statistically significant reduction in the daily OCS dose, without loss of asthma control, with tezepelumab compared to placebo. Tezepelumab’s effect on other efficacy parameters was similar to those observed in previous