Professors Rob Howard (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Psychiatry) and John Hardy (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Queen Square Institute of Neurology) say that it is looking like the once-promising amyloid drugs won’t be the gamechanger for dementia treatments previously hoped for.