Health policy Original research Application of orphan drug designation to cancer treatments (2008–2017): a comprehensive and comparative analysis of the USA and EU Kerstin Noëlle Vokinger1,2,3, Aaron S Kesselheim3 1 Academic Chair for Public Law, Health Law, and Digitalization, Institute of Law, University of Zurich, Zurich, Switzerland 2 Institute for Primary Care and Health Services Research, University Hospital of Zurich/University of Zurich, Zurich, Switzerland 3 Program on Regulation,...