Positive Trial Data on Sleep Apnea Drug

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Apnimed is announcing positive topline results from its second pivotal Phase 3 trial of AD109 (aroxybutynin and atomoxetine), a once-daily oral pill for treating obstructive sleep apnea (OSA). The company says the LunAIRo study met its primary endpoint, reinforcing earlier findings from the SynAIRgy trial, moving it one step closer to an NDA submission that is being planned for early next year.

In the LunAIRo trial, AD109 demonstrated a statistically significant and clinically meaningful reduction in the Apnea-Hypopnea Index (AHI), a key OSA severity measure, Apnimed says. Patients who received AD109 showed a 46.8% reduction in AHI from baseline after 26 weeks, compared to 6.8% in the placebo group, it says, adding that no serious adverse events related were reported.

AD109 is described as a first-in-class combination of aroxybutynin and atomoxetine that works by enhancing upper airway muscle tone during sleep — targeting the root neuromuscular cause of OSA, rather than relying on mechanical intervention like continuous positive airway pressure therapy.

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