INSP Shares Down Despite Strong Clinical Data From Inspire V Trials

Core Insights - Inspire Medical Systems (INSP) has presented promising clinical data for its Inspire V system, demonstrating strong safety, enhanced respiratory sensing, and improved patient adherence, which are crucial for treating obstructive sleep apnea through minimally invasive neurostimulation [1][4][8] Company Performance - Following the announcement of the Inspire V system data, INSP's shares declined by 6.2% on the closing day, with a year-to-date drop of 59.5%, contrasting with the industry's growth of 27.2% and the S&P 500's gain of 12.2% [3] - Despite the stock decline, the positive study data is expected to facilitate faster adoption and stronger revenue growth, with improved safety and higher patient adherence likely to drive higher implant volumes [4][5] Clinical Study Findings - The Inspire V system trials indicated a 20% reduction in surgical times and superior Apnea Hypopnea Index (AHI) improvement compared to the previous Inspire IV model [8][9] - In a clinical trial in Singapore involving 44 patients, the Inspire V system achieved a primary endpoint of 87.1% inspiratory phase overlap, outperforming Inspire IV's 79.4% [10] - At a mean follow-up of 246 days, patient adherence averaged 5.5 hours per night, with AHI improving from 34.4 to 8.3 events per hour [11] - A limited U.S. market release involved 101 patients, all of whom successfully completed device implantations with no serious adverse events, and showed an average nightly usage of 6.8 hours [12] Market Outlook - The global neurostimulation devices market was valued at approximately USD 5.6 billion in 2022 and is projected to reach USD 14.8 billion by 2030, growing at a CAGR of 12.8% from 2023 to 2030 [14] - Key drivers for market growth include an aging population, technological advancements, and increasing demand for therapies addressing chronic diseases [15]