Today's lost exendin-4 may not be the one nobody found
Seth, R., Yang, S., Choi, S., Sabean, M
Examples include: Insulin regulates blood sugar in diabetes GLP-1 medications (semaglutide, tirzepatide) used for diabetes and weight management Calcitonin used in bone metabolism disorders These medications underwent years of clinical trials and regulatory review before becoming approved treatments
Whether that stability translates to meaningful systemic circulation in humans is a question the published literature has not yet answered
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