Acetyl‐l‐Carnitine: A Drug Able to Slow the Progress of Alzheimer's Disease?

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Abstract
Defects in cholinergic neurotransmission do not, by themselves, constitute the sole pathophysiologic concomitants of Alzheimer's disease (AD). Recent findings point out that abnormalities in membrane phospholipid turnover and in brain energy metabolism may also characterize AD. Acetyl-L-carnitine (ALC) is an endogenous substance that, acting as an energy carrier at the mitochondrial level, controls the availability of acetyl-L-CoA. ALC has a variety of pharmacologic properties that exhibit restorative or even protective actions against aging processes and neurodegeneration. A review of a series of controlled clinical studies suggests that ALC may also slow the natural course of AD.