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The most significant recent finding: a May 2026 Lancet randomized controlled trial (108 patients, 26 weeks) found semaglutide 2.4 mg reduced heavy drinking days by 41.1 percentage points versus 26.4 on placebo, a statistically significant 13.7-point difference

When GPX4 activity diminishes, lipid peroxidation proceeds unimpeded, consequently triggering ferroptosis (22)

Novel pan-ERR agonists ameliorate heart failure through enhancing cardiac fatty-acid metabolism and mitochondrial function

5.5 Conclusion and future direction Recognizing the limitations of conventional delivery routes in targeting the CNS, IN administration provides a non-invasive alternative that not only bypasses the BBB but also avoids hepatic first-pass metabolism

Early human research is still limited, so larger randomized studies are needed to confirm these effects