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Camzyos five-year data at ESC 2026 supports durable oHCM benefits

Aug 29, 2026, 11:03 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting

Positive long-term durability signals for Camzyos, supported by real-world evidence, may improve investor sentiment and expectations for Camzyos-driven revenue growth, despite the single-arm trial context. However, the absence of a randomized comparator and dependence on REMS risk management introduce execution risk.

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What happened, with direct paths to the underlying reporting

ESC Congress 2026 presentations of Camzyos (mavacamten) reinforce durable, five-year efficacy in symptomatic obstructive hypertrophic cardiomyopathy, with meaningful LVOT gradient reductions and NYHA improvements. Real-world COLLIGO-HCM data further corroborate effectiveness across geographies, strengthening confidence in Camzyos’ long-term value proposition and potential payer support for ongoing treatment.

  • EXPLORER-LTE shows Camzyos effects durable for five years.
  • 252-week data show LVOT gradient reductions: resting -38.7 mm Hg; Valsalva -55.6.
  • 69.6% improved ≥1 NYHA class; 59.2% asymptomatic.
  • Dizziness 27% vs 18%; no new safety signals.
  • Rems program remains in effect; LVEF changes largely reversible.

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