How to Define Proven Acceptable Ranges During Scale-Up

During a recent scale-up of a biopharmaceutical product, symptoms manifested in both manufacturing and quality control processes. The production line, which had successfully completed multiple small-scale batches, began to show…

How to Set Alert and Action Limits for Robust Scale-Up

Establishing Alert and Action Limits for Effective Scale-Up As pharmaceutical manufacturers transition from development to commercial production, ensuring process robustness at scale becomes paramount. When scaling up, slight variations can…

Process Robustness and Yield Loss: Root Cause Framework

Addressing Process Robustness and Yield Loss: A Root Cause Framework Manufacturing processes in the pharmaceutical industry are often plagued by challenges related to process robustness and yield loss. When deviations…

How to Use PAT to Strengthen Process Robustness at Scale

In the context of a recent scale-up for a sterile injectable product, operators noticed an increase in out-of-specification (OOS) results during potency testing. Manufacturing batch reports indicated variability in purity…

How to Use PAT to Strengthen Process Robustness at Scale

During a recent biopharmaceutical scale-up, operators observed several warning signs that prompted immediate investigation. Critical parameters related to yield and product quality were trending out of specification. Initially, the symptoms…