• Carla DeMuro, Marci Clark, Margaret Mordin, Sheri Fehnel, Catherine Copley-Merriman, and Ari Gnanasakthy.
• RTI Health Solutions, Research Triangle Park, NC 27709, USA. demuromercon@rti.org
• Value Health. 2012 May 1; 15 (3): 443-8.

ObjectivesPrevious analyses of patient-reported outcome (PRO) label claims concentrated only on successful label claims. The goal of this research was to explore the reasons why PRO label claims were denied and to compile regulatory feedback regarding the use of PROs in clinical trials.MethodsBy using the Food and Drug Administration's Drug Approval Report Web page, all new molecular entities and biologic license applications approved between January 2006 and December 2010 were identified. For identified drug products, medical review sections from publicly available drug approval packages were reviewed to identify PRO end-point status and any Study Endpoints and Label Development team comments.ResultsOf the 116 new molecular entities and biologic license applications with accompanying drug approval packages identified and reviewed, 44.8% of the products included PROs as part of the pivotal studies; however, only 24.1% received PRO label claims. Primary reasons for denial included issues of fit for purpose, issues of study design, data quality or interpretation, statistical issues, administrative issues, and lack of demonstrated treatment benefit.ConclusionsBased on drug approval packages, nearly half (45%) of new molecular entitity/biologic license application products in the years 2006 to 2010 included PROs in the clinical trials supporting their approval, yet this rate is not reflected by claims granted. Understanding the nature of PRO claims granted under the current regulatory guidance is important. In addition, a clear understanding of denied claims yields valuable insight into where sponsors may improve implementation of PROs in clinical trials and submission of PRO evidence to increase the likelihood of obtaining PRO label claims.Copyright © 2012 International Society for Pharmacoeconomics and Outcomes Research (ISPOR). Published by Elsevier Inc. All rights reserved.

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