DUBLIN--(BUSINESS WIRE)--ICON plc (NASDAQ: ICLR), today announced that Pfizer and Roche have joined the ADDPLAN® DF Consortium. The consortium was founded in 2013 by Novartis Pharma AG, Janssen Pharmaceuticals Inc., Eli Lilly, and Aptiv Solutions, which is an ICON plc company leading the design and implementation of adaptive trials. The goal of the ADDPLAN DF Consortium is to develop methodologies and execution technologies that improve dose-selection, which remains a major barrier to resolving