A big Alzheimer’s drug study is proceeding cautiously, despite the pandemic

Joshua Grill, who directs the Institute for Memory Impairments and Neurological Disorders at the University of California, Irvine … got a close-up view of the challenge in July, when COVID-19 cases were spiking nationwide just as he was trying to launch the AHEAD study, a global effort that will test whether an investigational drug can slow down the earliest brain changes associated with Alzheimer’s disease. … So, like most research centers, UC Irvine has implemented a long list of safety measures.