Cholinesterase inhibitors are prescribed to treat symptoms associated with memory, thinking, language, judgment and other thinking processes. These medications decrease the breakdown of acetylcholine, a chemical messenger important for memory and learning. These drugs support communication between nerve cells. • Donepezil (Aricept®) -approved to treat all stages of AD • Rivastigmine (Exelon®) -approved for mild-to-moderate AD • Galantamine (Razadyne®) -approved for mild-to-moderate AD • Alpha-1062 (galantamine prodrug) -FDA New Drug Application acceptance for mild-tomoderate AD Glutamate regulators are prescribed to improve memory, attention, thinking, language and the ability to perform simple tasks. This type of drug works by regulating the activity of glutamate, a chemical messenger that helps the brain process information. • Memantine (Namenda®) -approved for moderate-to-severe AD.