Genetic tests showed that certain patients were predisposed to brain injuries if they took the drugs. That information remained secret. Alzheimer’s Disease, Clinical Trials, Leqembi (Drug), Aduhelm (Drug), Kisunla, Drugs (Pharmaceuticals), Brain, Hemorrhagic Stroke, Genetics and Heredity, Ethics and Official Misconduct, Elderly, Eisai Co Ltd, Eli Lilly and Company, Biogen Inc, Advarra Inc, Food and Drug Administration, United States Genetic tests showed that certain patients were predisposed to brain injuries if they took the drugs. That information remained secret. NYT > Business