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After scrapping a Biden-era plan to cover obesity drugs in early 2025, the Trump administration reversed course: it struck deals with Novo Nordisk and Eli Lilly in November 2025 to cut GLP-1 prices, and a voluntary Medicare demonstration begins July 1, 2026 that lets participating drug plans cover GLP-1s for weight loss with a $50 monthly copay

Liao X, Song L, Zeng B, et al

This selectivity, combined with a short plasma half-life in animal models, has made ipamorelin a widely used pharmacological tool for isolating GH-axis effects in neuroendocrine, bone-metabolism, body-composition, and gastrointestinal-motility research

A growing body of clinical evidence supporting tirzepatide is one reason insurers are evaluating coverage for Zepbound