AstraZeneca and Ionis's Wainua misses in Phase 3 heart trial CARDIO-TTRansform, likely due to overlap with Pfizer's Vyndamax; AZ weighs next steps.

AstraZeneca and Ionis's Wainua misses in Phase 3 heart trial CARDIO-TTRansform, likely due to overlap with Pfizer's Vyndamax; AZ weighs next steps.

AstraZeneca detailed the surprise failure of a closely watched heart disease trial, a study with ripple effects for a competitive billion-dollar market.