Introduction to donepezil (Aricept) main effects, functions, indications, scope and clinical application

Donepezil (Donepezil) is a central nervous system drug that belongs to the acetylcholinesterase inhibitor (AChEI) class of drugs. Its main function is to reduce the degradation of acetylcholine between nerve synapses by inhibiting the activity of acetylcholinesterase, thereby increasing the concentration of the neurotransmitter acetylcholine. This mechanism can improve nerve signal conduction, enhance cognitive function and memory ability, and have a significant alleviation effect on cognitive impairment in patients with Alzheimer's disease (AD).

Donepezil is mainly used to treat patients with mild to moderate Alzheimer's disease. It can improve patients' cognitive function, daily living abilities, and some behavioral and psychological symptoms, such as anxiety, depression, and mild mood swings. With continued medication, donepezil can delay the decline of cognitive function and enable patients to maintain better self-care abilities and quality of life in daily life.

In clinical applications, donepezil is often used as a single drug to treat Alzheimer's disease. It can also be used in combination with other drugs, such as memantine (Memantine) and other NMDA receptor antagonists, to enhance the efficacy. Clinicians will adjust the dosage and medication regimen based on the patient's course of disease, severity of symptoms, and tolerance, usually starting with a low dose and gradually increasing it to reduce adverse reactions such as gastrointestinal discomfort.

In addition, donepezil also has certain expanded applications in diseases related to cognitive impairment. For example, some patients with mild cognitive impairment (MCI) or patients with vascular cognitive impairment can also try to use it under the guidance of a doctor. Overall, donepezil has important clinical value in improving cognitive function, delaying disease progression, and improving patients' quality of life. It is a commonly used drug in the treatment of Alzheimer's disease and related cognitive disorders.

Reference materials:https://www.drugs.com/