Welds used in biopharmaceutical manufacturing must meet critical criteria to maintain a defined level of purity and bioburden control. One highly debated area of concern is the level of discoloration allowable on the product contact surfaces in the welded condition and secondary finishing methods. This article addresses the studies commissioned by the American Society for Mechanical Engineers...
On 25 August 2023, the long-awaited revision to Annex 1 became effective, introducing significant regulatory changes, including the requirement of a documented contamination control strategy (CCS). During a workshop at the 2023 ISPE Annual Meeting & Expo, 11 teams of attendees were presented with a risk-based methodology to develop and evaluate CCS elements focused on extrinsic...