The disclosure concerns methods for executing PBV protocols to preserve biopharmaceuticals using a conventional lyophilizer. Also described are steps for maintaining isolation of a biopharmaceuticals for achieving aseptic drying using the conventional lyophilizer. As a collateral benefit, the invention provides good manufacturing practice (GMP) compliant methods for achieving aseptic drying of biopharmaceutical compositions using a conventional lyophilizer disposed outside of a clean-room area. Finally, methods and formulations str disclosed for preserving biopharmaceuticals suitable for mucosal or transdermal delivery to a patient.