AstraZeneca and Ionis Pharmaceuticals’ antisense therapeutic Wainua failed to show significant cardiovascular benefit in a Phase 3 study of patients with transthyretin-mediated amyloid cardiomyopathy. The companies didn’t provide specific data in their news release Thursday morning, revealing only that Wainua, when added to standard of care, “did not meet the primary efficacy endpoint,” which was a composite of cardiovascular (CV) mortality and recurrent CV clinical events vs.