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Replication study to confirm the role of CYP2D6 polymorphism rs1080985 on donepezil efficacy in Alzheimer’s disease patients


Albani, Diego, Martinelli Boneschi, Filippo, Biella, Gloria, Giacalone, Giacomo, Lupoli, Sara, Clerici, Francesca, Benussi, Luisa, Ghidoni, Roberta, Galimberti, Daniela, Squitti, Rosanna, Mariani, Stefania, Confaloni, Annamaria, Bruno, Giuseppe, Mariani, Claudio, Scarpini, Elio, Binetti, Giuliano, Magnani, Giuseppe, Franceschi, Massimo, Forloni, Gianluigi


Journal Of Alzheimer's Disease: JAD, Volume: 30, No.: 4, Pages.: 745-749

Year of Publication



Alzheimer’s disease (AD) is a neurodegenerative disorder often treated with donepezil, an acetylcholinesterase inhibitor. Response to donepezil is variable, probably based on patients’ genetic background in donepezil metabolizing enzymes, including cytochrome 2D6 (CYP2D6). We evaluated the association between clinical response to donepezil and a common variant (rs1080985) of CYP2D6, previously reported to be associated with poor response to the drug. In a sample of 415 AD cases, we found evidence of association between rs1080985 and response to donepezil after 6 months of therapy (OR [95% CI]: 1.74 [1.01-3.00], p = 0.04). Rs1080985 might be useful as predictor of poor response to short-term donepezil treatment.;


aged, aged, 80 and over, alzheimer disease, cholinesterase inhibitors, cytochrome p450 cyp2d6, dna replication, donepezil, drug effects, drug therapy, enzymology, female, followup studies, genetic markers, genetics, humans, indans, male, piperidines, polymorphism genetic, response, therapeutic use, treatment, treatment outcome

Countries of Study


Types of Dementia

Alzheimer’s Disease

Types of Study

Before and After Study

Type of Outcomes


Type of Interventions

Pharmaceutical Interventions