The PRO Final Guidance announced December 2009 helps Sponsors and CROs understand how to include the patient viewpoint in the clinical trials that support market authorization for their medical products. The Guidance shows that FDA understands the pivotal role of PRO measures in establishing clinical benefit. This Insights edition is dedicated to ePRO mentioned within the Final Guidance, and intended to provide readers with an executive summary of the new document with respect to ePRO.