Tenax LEVEL data supports enrichment strategy for PH-HFpEF program (LEVEL-2)
Aug 29, 2026, 8:23 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting
The data provide a clear path to a potentially more successful pivotal study via population enrichment, which can improve trial efficiency and regulatory odds. Although the overall primary endpoint was not met, meaningful biomarker and RVSP signals in a large subgroup can shift investor perception toward improved long-term outcomes and potential licensing/partnership discussions. Historical examples show enrichment strategies can salvage or accelerate phase 3 programs when subgroups show robust signals.
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Tenax Therapeutics reports Phase 3 LEVEL data showing TNX-103 delivers biomarker and hemodynamic improvements in PH-HFpEF, notably in patients with baseline 6MWD below the median. Although the primary 6MWD endpoint was not met, NT-proBNP and RVSP improvements support a targeted LEVEL-2 enrichment strategy and potential regulatory path, elevating near-term visibility for the program.
TNX-103 raises 6MWD by 26.3m in low-baseline patients.
NT-proBNP drops 47% vs placebo (p<0.0001) in subgroup.
RVSP reduced by 4.9 mmHg vs placebo (p=0.009).
LEVEL-2 enrichment plan aims to target responsive patients.
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