Overview US Biologic Lung Volume Reduction (BLVR) Phase 2 Emphysema Study Status: Completed Trial end date: 2009-12-01 Target enrollment: Participant gender: Summary The purpose of this study it to evaluate the efficacy and safety of the 20 mL BLVR System in patients with advanced upper lobe predominant emphysema. Phase: Phase 2 Details Lead Sponsor: Aeris Therapeutics