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AstraZeneca's COPD drug tozorakimab shows strong trial results, Citi forecasts $7B peak sales.

Market News
09 Sep 2026
Proactive Investors
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Bullish
AstraZeneca's COPD drug tozorakimab shows strong trial results, Citi forecasts $7B peak sales.

AstraZeneca's phase III trial results for tozorakimab in treating chronic obstructive pulmonary disease (COPD) showed significant reduction in flare-ups, especially in former smokers. The drug met its primary endpoint with a 29% to 34% reduction in exacerbations and showed stronger results in patients with high eosinophil counts compared to competitors. Citi values the drug's peak sales potential at $7 billion, nearly double the consensus estimate, and maintains a 'buy' rating on AstraZeneca stock. This optimistic outlook is supported by the drug's broad potential use across patient groups without the need for eosinophil testing.

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