Increasing evidence has demonstrated that GLP-1 analogues can cross the blood-brain barrier, protect dopaminergic neurons in the substantia nigra, and rescue motor activity and cognitive functions in PD animal models (5961)
It can temporarily darken stools, which patients should be warned about so they do not mistake it for GI bleeding [5]
Therefore, based on the current information available, it is speculated that the longest Chinese patent period for tirzepatide is expected to continue until around 2040.
A further limitation is that much of the current evidence is derived from poorly designed trials
This guide walks through each mechanism in plain terms, then covers what actually helps
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