Tenaya Therapeutics (NasdaqGS:TNYA) Conference Transcript

Summary of Tenaya Therapeutics Conference Call (October 14, 2025) Company Overview - Company: Tenaya Therapeutics (NasdaqGS:TNYA) - Focus: Genetic medicine, specifically gene therapies for cardiomyopathies Key Assets - TN-201: Targets MYBPC3-positive hypertrophic cardiomyopathy (HCM) patients - TN-401: Targets PKP2-positive arrhythmogenic right ventricular cardiomyopathy (ARVC) patients - Both therapies utilize AAV9-based vectors and are currently in clinical trials [3][4][5] Core Points and Arguments TN-201 (HCM) - Mechanism: AAV9 vector delivering a full-length MYBPC3 gene with a cardiomyocyte-specific promoter [4] - Unique Selling Proposition: Addresses the underlying genetic cause of HCM, particularly for non-obstructive forms, which represent 70% of the patient population [9][10] - Market Context: Current therapies like Camzyos are not approved for non-obstructive HCM, highlighting a significant unmet need [10] - Clinical Data: Positive interim data from the MyPeak-1 study showed safety and tolerability, with two out of three patients experiencing significant improvements in cardiac biomarkers [14][15][18] - Durability of Effect: All patients in the first dose cohort reached New York Heart Association Class I, indicating no disease impact on daily living [18] TN-401 (ARVC) - Mechanism: AAV9 vector delivering a full-length PKP2 gene [29] - Unmet Need: ARVC is a severe condition with no approved therapies addressing its genetic cause, leading to high morbidity and mortality [30] - Preclinical Data: Demonstrated prevention of arrhythmia and cardiac remodeling in severe preclinical models [32] - Clinical Trial: Ongoing Phase 1b trial (RIDGE-1) with expected data release in Q4 2025 [33] Additional Important Insights - Safety Database: AAV9 has the largest safety database among AAV vectors, enhancing confidence in its use [6] - Innovative Engineering: The company has developed unique promoters and molecular designs to optimize gene delivery [4][5] - Data Presentation: Upcoming data at the AHA conference is highly anticipated, with a focus on safety and efficacy [22][20] - Comparison with Peers: The company is mindful of how its data compares with other gene therapy programs, emphasizing the importance of robust protein measurement methods [35][36] Conclusion - Future Outlook: Tenaya Therapeutics is positioned to address significant unmet needs in cardiomyopathy with its innovative gene therapies, backed by promising clinical data and a strong safety profile [13][20]