Pharmaceutical manufacturers who took part in the US Food and Drug Administration’s recent quality metrics site visit and feedback programs advised the agency to adopt site-level reporting over product-level reporting and warned against using lot acceptance rates and invalidated out-of-specification results, saying they do not adequately discriminate between high- and low-performing sites.
Instead, the agency was urged to use other metrics such as right-first-time rate, process capability, and adherence to lead time,...





