AlveoGene’s Novel, Inhaled Gene Therapy AVG-002 Receives Orphan Drug Designation from FDA for Lethal Neonatal Surfactant Protein B (SP-B) Deficiency Inherited SP-B deficiency is an ultra-rare monogenic cause of fatal respiratory distress syndrome in newborn infants with few, if any, options for long-term survivalHighly encouraging preclinical data...