RT Journal Article SR Electronic T1 Sterile Powder Filling the Learning Curve JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 198 OP 206 VO 40 IS 5 A1 Hofmann, K. L. YR 1986 UL http://journal.pda.org/content/40/5/198.abstract AB This paper reviews various considerations in planning for installation of a state-of-the-art, high-speed powder filler operated in an aseptic environment. It reveals the problems associated with installation qualification and validation, showing the performance improvement associated with the learning curve. Detailed knowledge of the product’s physical characteristics, a close working relationship with the equipment vendor to facilitate customized modifications, and careful process monitoring to ensure quality is not compromised are required.