PT - JOURNAL ARTICLE AU - Agalloco, James TI - Something for Nothing AID - 10.5731/pdajpst.2022.012736 DP - 2023 May 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 248--252 VI - 77 IP - 3 4099 - http://journal.pda.org/content/77/3/248.short 4100 - http://journal.pda.org/content/77/3/248.full SO - PDA J Pharm Sci Technol2023 May 01; 77 AB - This article reviews the evolution of performance standards for aseptic processing as defined by regulatory, pharmacopoeial, and industry activities. The increasing rigor of the expectations for sterility testing, environmental monitoring, and process simulation have made for improvements in capability for sterile manufacturing. The document explains why contemporary requirements are such that satisfying them requires a shift in operating practice from manned clean rooms to isolation technology.