Synopsis: In patients with severe heterogenous emphysema and little or no collateral ventilation in target lobes, Zephyr Endobronchial Valve treatment provides statistical and clinical benefits in lung function and quality of life compared with current standard of care therapies over a 12-month period.
Source: Criner GJ, Sue R, Wright S, et al. LIBERATE Study Group. A multicenter randomized controlled trial of Zephyr endobronchial valve treatment in heterogenous emphysema (LIBERATE). Am J Respir Crit Care Med 2018;198:1151–1164.