Federal Register Notice: FDA is making available a draft guidance for industry, Acute Bacterial Exacerbations of Chronic Bronchitis in Patients With Chronic Obstructive Pulmonary Disease: Developing Antimicrobial Drugs for Treatment. Its purpose is to assist clinical trial sponsors and investigators in developing such drugs because the agency’s thinking in this area has evolved in recent years, and it will inform sponsors of the changes in recommendations. To download this guidance, click here. To view this notice, click here.