The company, formerly known as Bistech, specializes in pulmonary medicine and has expertise in preclinical and clinical research, product development, and commercialization. Their flagship product, the AeriSeal System, reduces lung volume to improve lung function in patients with advanced emphysema. It enables physicians to use a bronchoscope for targeted treatment of damaged areas in the lungs. Aeris Therapeutics is focused on developing and bringing to market medical therapeutics for patients with emphysema and other lung diseases.