“…For guidance on modeling economic outcomes, it made reference to ISPOR's best practice guidance for costeffectiveness and budget impact models. [17][18][19][20][21] The most recent version, Version 4.1, provides guidance for the communication of information about unapproved products and indications in the form of pre-approval dossiers in response to the 21st Century Cures Act and the FDA Final Guidance on industry communications with payers. [22][23][24]…”