Study Design The design of the DAPT study has been described previously.13 The trial was designed in response to a request from the Food and Drug Administration (FDA) to manufacturers of coronary stents and was conducted under an investigational-device exemption through a public–private collaboration involving the FDA, eight stent and pharmaceutical manufacturers who funded the study (see the Supplementary Appendix, available with the full text of this article at NEJM.org), and the Harvard...
