Assessment of Non Vital Organ Functions

The ICH S7A guidance states that "supplemental" studies are meant to evaluate potential adverse pharmacodynamic effects on organ systems functions that are not acutely essential for the maintenance of human life and not addressed by the "core battery" or repeated dose toxicity studies when there is a cause for concern.25 Examples of physiological functions that fall into that category include, but are not limited to, the renal/urinary, immune, GI, endocrine and autonomic nervous systems. This section focuses on the renal and GI systems based on their potential impact on the clinical development program.

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