The agency's 2017 guidance on synthetic peptide ANDAs, updated in 2024, set out a tiered approach: identity testing for the primary sequence, characterization of impurity profiles against the reference product, and bioequivalence demonstration through pharmacokinetic studies in healthy volunteers
Taking oral formulations with food, coffee, or juice dramatically reduces their absorption and effectiveness, sometimes cutting peak concentration in half
Previous to the beginning of the protocol, all participants signed an informed consent
The measurement is based on the absorption principle
Fruits, such as bananas and applesauce, or cooked vegetables may also be choices that are gentle on the stomach
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