Lilly Filing NDA for Expanded Tirzepatide Use

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Eli Lilly says it will file an NDA mid-year for tirzepatide and its use in treating obstructive sleep apnea (OSA) based on just-announced data from the SURMOUNT-OSA Phase 3 clinical trials that showed tirzepatide injection (10 mg or 15 mg) significantly reduced the apnea-hypopnea index (AHI) compared to placebo. Tirzepatide is the active ingredient in the company’s Zepbound for treating chronic weight management.

AHI records the number of times a person’s breathing shows a restricted or complete block of airflow per hour of sleep and is used to evaluate OSA severity and treatment effectiveness, the company says. In the study, tirzepatide led to a mean AHI reduction from baseline of 27.4 events per hour compared to 4.8 events per hour for placebo-treated patients, it says. In a key secondary outcome, tirzepatide led to a mean body weight reduction of 18.1% from baseline, compared to 1.3% from baseline for placebo.

Lilly says tirzepatide’s overall safety profile was similar to previously reported trials, with the most commonly reported adverse events being gastrointestinal-related and generally mild to moderate in severity (diarrhea, nausea, vomiting and constipation).

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