Phase 1 Trials Phase 1 trials for Retatrutide primarily focused on: Establishing the safety and optimal dosage range of the drug Involving small groups of healthy volunteers who received varying doses of Retatrutide to identify the most effective and safe dosage levels Monitoring for any adverse effects, which were generally mild and manageable This initial phase was pivotal in laying the groundwork for subsequent efficacy trials, including a clinical trial
This study, published in the journal Brain, reports on a Phase II trial of the drug as a potential treatment for severe headaches known as idiopathic intercranial hypertension (IIH)
Animal studies also showed the connection between airway inflammation and neuroinflammation [37, 44]
Two consecutive skipped doses (which happens inherently with every-other-day dosing) reduces weekly exposure by 65% to 70%
Cleveland Clinic, 2021, Cellulite MedicalNewsToday, 2025, Does Ozempic affect the skin and muscle of your legs?