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AstraZeneca shares drop nearly 9% after heart drug trial fails main goal

Market News
09 Jul 2026
CNBC
View Source
Bearish
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AstraZeneca's shares fell nearly 9% after its experimental heart drug, Wainua, failed to meet the primary goal in a late-stage trial. The drug aimed to reduce deaths and heart-related emergencies over 140 weeks for patients with a rare heart condition called transthyretin-mediated amyloid cardiomyopathy (ATTR-CM). The failure marks a significant setback for the British drugmaker, with shares hitting their worst day since March 2020. Investors will be watching closely for AstraZeneca's next steps following this trial result.

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