Many, including Alzheimer's disease, are treatable ... The FDA has since approved three drugs for the treatment of mild to moderate AD: Donepezil (Aricept) was approved in 1996, Rivastigmine (Exelon) ...

Consequently, combination therapy currently involves the administration of one cholinergic drug (donepezil, galantamine or rivastigmine) and one glutamatergic drug (memantine). There have been no ...