1 Program On Regulation, Therapeutics, And Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
2 Yale School of Medicine, New Haven, Connecticut.
3 Kaiser Permanente National Pharmacy, Downey, California.
This cohort study used the Drugs@FDA database to identify new drugs approved by the US Food and Drug Administration (FDA) and assess fulfillment of postmarket commitments and requirements.