Sanofi and Johnson & Johnson halt E. coli vaccine study due to ineffectiveness, costing Sanofi $250M.

Sanofi and Johnson & Johnson have stopped a phase 3 study for a vaccine targeting extraintestinal pathogenic E. coli due to insufficient efficacy. The vaccine failed to prevent invasive E. coli disease effectively compared to a placebo in adults aged 60 and older with a history of urinary tract infections. Sanofi has recorded a $250 million impairment charge, impacting its full-year EPS by 15 cents.

1 month ago
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