Orphan drugs target rare dz <200k. New drugs (2008-2016) compared 5 yr sales 86 orphan Rx to 232 non-orphan = similar sales- Orphan ($719 mill) vs nonorphan ($812 mill). But orphan Rx lower volume offset by higher prices (7X higher) than nonorphan drugs https://t.co/I8kb4A0eyG https://t.co/gEQpssRVkg