title: Common Alzheimer's drug flunks test of effectiveness. Initial improvements in cognitive ability made by cholinesterase inhibitors soon disappear.
mesh_terms: D000544:Alzheimer Disease / Q000188:drug therapy*; D002800:Cholinesterase Inhibitors / Q000627:therapeutic use*; D000077265:Donepezil; D006801:Humans; D007189:Indans / Q000627:therapeutic use*; D018697:Nootropic Agents / Q000627:therapeutic use*; D010880:Piperidines / Q000627:therapeutic use*; D017211:Treatment Failure
chemical_list: D002800:Cholinesterase Inhibitors; D007189:Indans; D018697:Nootropic Agents; D010880:Piperidines; D000077265:Donepezil