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Donepezil, sold under the brand name Aricept among others, is a medication used to treat dementia of the Alzheimer's type. [3] [4] [8] It appears to result in a small benefit in mental function and ability to function. [9] Use, however, has not been shown to change the progression of the disease. [10] Treatment should be stopped if no benefit ...
Memantine/donepezil, sold under the brand name Namzaric among others, is a fixed dose combination medication used for the treatment of dementia of the Alzheimer's type. [1] It contains memantine , as the hydrochloride, a NMDA receptor antagonist ; and donepezil as the hydrochloride, an acetylcholinesterase inhibitor . [ 1 ]
Donepezil: Donepezil may exhibit cardiac issues such as hypertension, cardiac arrhythmia, atrioventricular block, and bradycardia due to its vagotonia properties. [2] Common gastrointestinal side effects such as nausea, diarrhea, and vomiting are also associated with donepezil and other acetylcholinesterase inhibitors. [ 2 ]
Paraoxon and rivastigmine are both acetylcholinesterase inhibitors and butyrylcholinesterase inhibitors. [14] [11] [7]In 2015, the United States Food and Drug Administration's Adverse Event Reporting System database compared rivastigmine to the other ChEI drugs donepezil and galantamine found that rivastigmine was associated with a higher frequency of reports of death as an adverse event.
Aricept – used to slow the progression of Alzheimer's disease Ativan ( lorazepam ) – a benzodiazepine , used to treat anxiety Asendin ( amoxapine ) – an dibenzoxazepine antidepressant
Donepezil boosts the levels of the neurotransmitter acetylcholine, and is currently an approved therapy for the cognitive symptoms of Alzheimer's disease. [16] In the study, participants taking donepezil experienced falls half as often as those taking a placebo, and those who previously fell the most showed the most improvement. [17]
[8] [9] Time to peak levels of memantine is 3 to 7 hours. [ 8 ] [ 9 ] Food has no influence on the rate of absorption . [ 8 ] [ 9 ] Memantine exposure is linear over a dose range of 10 to 40 mg. [ 8 ] Peak levels after a single 20 mg dose were found to be 24 to 29 μg/L (0.13–0.16 μmol/L or μM). [ 8 ]
In normal brains and other tissues, the TDP-43 protein helps to ensure proper functioning of genes in the cell; the misfolded TDP-43 may thus impair normal gene expression regulation (so in LATE-NC, there is a loss-of-normal-function), and, the aberrant TDP-43 protein in LATE-NC may induce toxic gains of function also. [45] [46] [35]