Applicability of the ICH M7 Guidelines for Assessing Less-than-Lifetime Exposure to Nitrosamine Impurities in Drug Products.
Global regulators identified several data gaps that precluded acceptance of the ICH M7 framework for assessing less-than-lifetime (LTL) exposures to N-nitrosamine (NA) impurities in drug products. Building on prior analyses confirming that NA carcinogenic potency is driven by lifetime cumulative dose, this work address...