Updated: AstraZeneca sinks on unexpected heart drug trial failure

July 9, 2026 03:58 AM EDTUpdated 04:26 AM R&DPharma As­traZeneca sinks on un­ex­pect­ed heart drug tri­al fail­ure Elizabeth Cairns Senior biopharma journalist As­traZeneca’s shares dropped in ear­ly trad­ing Thurs­day af­ter a heart dis­ease treat­ment it is de­vel­op­ing with Io­n­is Phar­ma­ceu­ti­cals un­ex­pect­ed­ly failed in a late-stage tri­al. The … Sign up to read this article for free. Get free access to a limited number of articles, plus choose newsletters to get straight to your inbox. SIGN UP LOG IN BECOME A PREMIUM SUBSCRIBER