tirzepatide fda Lilly's new drug Mounjaro (tirzepatide ) wins US approval FDA says the tirzepatide weight-loss

- 2026 : Phase 3 readouts for both drugs

Ji X, Liu W, Xie K, Liu W, Qu Y, Chao X, Chen T, Zhou J, Fei Z

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While retatrutide microdosing has not been formally studied for GI mitigation specifically, the principle is sound based on the dose-response data from clinical trials

Compounding pharmacies are licensed under state and federal regulations, but compounded products occupy a distinct regulatory category from brand-name FDA-approved drugs

In October 2024, the FDA determined that the tirzepatide injection shortage (covering both Mounjaro and Zepbound) was resolved