The effect SUPAC-type changes have on the stability of the drug product should be evaluated. For general guidance on conducting stability studies, applicants are referred to the FDA Guideline for Submitting Documentation for the Stability of Human Drugs and Biologics (02/87). For SUPAC submissions, the following points also should be considered:! Search. Clinical Practice Guidelines. Toggle section navigation. National Institute for Health and Care and Excellence (2017) Constipation in children and young People: diagnosis and management (NICE Guideline 99).