Core Insights - The FDA has accepted Tenax Therapeutics' updated Phase 3 development plan for TNX-103, which includes an amendment to expand enrollment and increase statistical power for the ongoing LEVEL study, with expectations to fully enroll by the end of 2025 [1][2] - Tenax Therapeutics plans to initiate a second global Phase 3 study, LEVEL-2, with the first patient expected to be enrolled this year [1][5] Enrollment and Study Design - The LEVEL study will expand its enrollment from 152 to at least 230 patients, increasing the statistical power to over 95% [3][4] - The first 150 subjects are expected to be enrolled in the first half of 2025, with topline data presentation anticipated in mid-2026 [3][4] - LEVEL-2 will evaluate TNX-103 in a larger sample size and will assess the primary endpoint of 6-minute walk distance (6MWD) at 26 weeks [5][8] Financial and Operational Updates - The company is increasing its investment in the clinical development plan for TNX-103, supported by a $100 million financing received in August 2024 [2] - More than 50 North American sites are activated for the LEVEL study, with expectations to complete enrollment by year-end 2025 [2] Safety and Efficacy Data - Preliminary blinded data from the LEVEL study indicate that TNX-103 is well-tolerated, with high rates of study continuation and adherence to the treatment regimen [4][6] - Over 95% of patients who completed 12 weeks of treatment have chosen to enter the open-label extension (OLE) phase [6] Background on TNX-103 - TNX-103 is an oral formulation of levosimendan, a potassium ATP channel activator and calcium sensitizer, being developed for pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF) [9] - Levosimendan has been authorized for use in 60 countries outside the U.S. for hospitalized patients with acutely decompensated heart failure [9]
Tenax Therapeutics Expands Phase 3 LEVEL Program, Advancing Two TNX-103 (Oral Levosimendan) Registrational Studies for the Treatment of PH-HFpEF