Gerard J. Criner, MD, FACP, FACCP, Chair and Professor of Thoracic Medicine and Surgery at the Lewis Katz School of Medicine at Temple University and Director of the Temple Lung Center, provided perspective for a Medscape article on a GOLD International COPD Conference presentation about the benefits that biologics have demonstrated for a subset of patients with chronic obstructive pulmonary disease (COPD) with type 2 inflammation, and future research.