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Lista S, Vergallo A, Teipel SJ, Lemercier P, Giorgi FS, Gabelle A, Garaci F, Mercuri NB, Babiloni C, Gaire BP, Koronyo Y, Koronyo-Hamaoui M, Hampel H, Nisticò R. Determinants of approved acetylcholinesterase inhibitor response outcomes in Alzheimer's disease: relevance for precision medicine in neurodegenerative diseases. Ageing Res Rev 2023; 84:101819. [PMID: 36526257 DOI: 10.1016/j.arr.2022.101819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/11/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
Acetylcholinesterase inhibitors (ChEI) are the global standard of care for the symptomatic treatment of Alzheimer's disease (AD) and show significant positive effects in neurodegenerative diseases with cognitive and behavioral symptoms. Although experimental and large-scale clinical evidence indicates the potential long-term efficacy of ChEI, primary outcomes are generally heterogeneous across outpatient clinics and regional healthcare systems. Sub-optimal dosing or slow tapering, heterogeneous guidelines about the timing for therapy initiation (prodromal versus dementia stages), healthcare providers' ambivalence to treatment, lack of disease awareness, delayed medical consultation, prescription of ChEI in non-AD cognitive disorders, contribute to the negative outcomes. We present an evidence-based overview of determinants, spanning genetic, molecular, and large-scale networks, involved in the response to ChEI in patients with AD and other neurodegenerative diseases. A comprehensive understanding of cerebral and retinal cholinergic system dysfunctions along with ChEI response predictors in AD is crucial since disease-modifying therapies will frequently be prescribed in combination with ChEI. Therapeutic algorithms tailored to genetic, biological, clinical (endo)phenotypes, and disease stages will help leverage inter-drug synergy and attain optimal combined response outcomes, in line with the precision medicine model.
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Affiliation(s)
- Simone Lista
- Memory Resources and Research Center (CMRR), Neurology Department, Gui de Chauliac University Hospital, Montpellier, France; School of Pharmacy, University of Rome "Tor Vergata", Rome, Italy.
| | - Andrea Vergallo
- Sorbonne University, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Stefan J Teipel
- German Center for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Rostock, Germany; Department of Psychosomatic Medicine and Psychotherapy, University Medicine Rostock, Rostock, Germany
| | - Pablo Lemercier
- Sorbonne University, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Filippo Sean Giorgi
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Audrey Gabelle
- Memory Resources and Research Center (CMRR), Neurology Department, Gui de Chauliac University Hospital, Montpellier, France
| | - Francesco Garaci
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy; Casa di Cura "San Raffaele Cassino", Cassino, Italy
| | - Nicola B Mercuri
- Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy; IRCCS Santa Lucia Foundation, Rome, Italy
| | - Claudio Babiloni
- Department of Physiology and Pharmacology "Erspamer", Sapienza University of Rome, Rome, Italy; Hospital San Raffaele Cassino, Cassino, Italy
| | - Bhakta Prasad Gaire
- Department of Neurosurgery, Maxine Dunitz Neurosurgical Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Yosef Koronyo
- Department of Neurosurgery, Maxine Dunitz Neurosurgical Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Maya Koronyo-Hamaoui
- Department of Neurosurgery, Maxine Dunitz Neurosurgical Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Biomedical Sciences, Division of Applied Cell Biology and Physiology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Harald Hampel
- Sorbonne University, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Robert Nisticò
- School of Pharmacy, University of Rome "Tor Vergata", Rome, Italy; Laboratory of Pharmacology of Synaptic Plasticity, EBRI Rita Levi-Montalcini Foundation, Rome, Italy.
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Pozzi FE, Conti E, Appollonio I, Ferrarese C, Tremolizzo L. Predictors of response to acetylcholinesterase inhibitors in dementia: A systematic review. Front Neurosci 2022; 16:998224. [PMID: 36203811 PMCID: PMC9530658 DOI: 10.3389/fnins.2022.998224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
Background The mainstay of therapy for many neurodegenerative dementias still relies on acetylcholinesterase inhibitors (AChEI); however, there is debate on various aspects of such treatment. A huge body of literature exists on possible predictors of response, but a comprehensive review is lacking. Therefore, our aim is to perform a systematic review of the predictors of response to AChEI in neurodegenerative dementias, providing a categorization and interpretation of the results. Methods We conducted a systematic review of the literature up to December 31st, 2021, searching five different databases and registers, including studies on rivastigmine, donepezil, and galantamine, with clearly defined criteria for the diagnosis of dementia and the response to AChEI therapy. Records were identified through the string: predict * AND respon * AND (acetylcholinesterase inhibitors OR donepezil OR rivastigmine OR galantamine). The results were presented narratively. Results We identified 1,994 records in five different databases; after exclusion of duplicates, title and abstract screening, and full-text retrieval, 122 studies were finally included. Discussion The studies show high heterogeneity in duration, response definition, drug dosage, and diagnostic criteria. Response to AChEI seems associated with correlates of cholinergic deficit (hallucinations, fluctuating cognition, substantia innominate atrophy) and preserved cholinergic neurons (faster alpha on REM sleep EEG, increased anterior frontal and parietal lobe perfusion after donepezil); white matter hyperintensities in the cholinergic pathways have shown inconsistent results. The K-variant of butyrylcholinesterase may correlate with better response in late stages of disease, while the role of polymorphisms in other genes involved in the cholinergic system is controversial. Factors related to drug availability may influence response; in particular, low serum albumin (for donepezil), CYP2D6 variants associated with reduced enzymatic activity and higher drug doses are the most consistent predictors, while AChEI concentration influence on clinical outcomes is debatable. Other predictors of response include faster disease progression, lower serum cholesterol, preserved medial temporal lobes, apathy, absence of concomitant diseases, and absence of antipsychotics. Short-term response may predict subsequent cognitive response, while higher education might correlate with short-term good response (months), and long-term poor response (years). Age, gender, baseline cognitive and functional levels, and APOE relationship with treatment outcome is controversial.
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Affiliation(s)
| | - Elisa Conti
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
- Milan Center for Neuroscience (NeuroMi), University of Milano-Bicocca, Milan, Italy
| | - Ildebrando Appollonio
- Neurology Department, San Gerardo Hospital, Monza, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
- Milan Center for Neuroscience (NeuroMi), University of Milano-Bicocca, Milan, Italy
| | - Carlo Ferrarese
- Neurology Department, San Gerardo Hospital, Monza, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
- Milan Center for Neuroscience (NeuroMi), University of Milano-Bicocca, Milan, Italy
| | - Lucio Tremolizzo
- Neurology Department, San Gerardo Hospital, Monza, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
- Milan Center for Neuroscience (NeuroMi), University of Milano-Bicocca, Milan, Italy
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Elsaid AM, Zahran RF, Elmetwaly SM, Wahba Y, Megahed H, Elshazli RM. The potential impact of CYP2D6 (*2/*4/*10) gene variants among Egyptian epileptic children: A preliminary study. Gene 2022; 832:146585. [PMID: 35597526 DOI: 10.1016/j.gene.2022.146585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/18/2022] [Accepted: 05/16/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND The cytochrome P450 (CYP) isoenzymes have an indispensable role in the metabolic phase of different medications during the treatment of multiple neuropsychiatric disorders. The foremost goal of this study is to evaluate the correlation of the allelic variants within CYP2D6 (*2/*4/*10) gene with the susceptibility for epileptic syndrome as well as the assessment the degree of resistance towards antiepileptic drugs (AEDs). METHODS This work was designed based on the involvement of 200 participants [100 unrelated healthy controls, 50 AEDs responsive, and 50 AEDs resistant]. Genomic DNA for the CYP2D6 variants was genotyped utilizing the T-ARMS-PCR technique. RESULTS The distributions of the CYP2D6*2 (rs16947; c.886C > T) and CYP2D6*4 (rs3892097; c.506-1G > A) variants were significantly correlated with elevated risk among epileptic patients compared to healthy controls (P-value < 0.05). Furthermore, the CYP2D6*2 variant was statistically associated with disease risk among AEDs responsive patients, while the CYP2D6*4 variant was statistically correlated with disease risk among AEDs resistant patients (P-value < 0.05). Interestingly, the allelic variants of the CYP2D6*4 (A allele) and CYP2D6*10 (T allele) were associated with elevated risk among AEDs resistant compared to AEDs responsive patients (P-value = 0.008 and 0.040, respectively). CONCLUSIONS The CYP2D6*2 and CYP2D6*4 variants were recognized as independent risk factors among epileptic patients, but not the CYP2D6*10 variant.
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Affiliation(s)
- Afaf M Elsaid
- Genetics Unit, Children Hospital, Mansoura University, Mansoura, Egypt
| | - Rasha F Zahran
- Department of Chemistry, Biochemistry Division, Faculty of Science, Damietta University, New Damietta, Egypt
| | - Samar M Elmetwaly
- Department of Chemistry, Biochemistry Division, Faculty of Science, Damietta University, New Damietta, Egypt
| | - Yahya Wahba
- Department of Pediatrics, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Hisham Megahed
- Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Rami M Elshazli
- Biochemistry and Molecular Genetics Unit, Department of Basic Sciences, Faculty of Physical Therapy, Horus University - Egypt, New Damietta, Egypt.
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Argueta N, Notari E, Szigeti K. Role of Pharmacogenomics in Individualizing Treatment for Alzheimer's Disease. CNS Drugs 2022; 36:365-376. [PMID: 35352296 DOI: 10.1007/s40263-022-00915-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/10/2022] [Indexed: 12/18/2022]
Abstract
The development of Alzheimer's disease therapeutics has been challenging, with 99% of clinical trials failing to find a significant difference between drug and placebo. While the quest continues for more effective treatments, there is emerging evidence that pharmacogenetic considerations are important factors in regard to metabolism, efficacy, and toxicity of drugs. Currently, there are five US Food and Drug Administration-approved drugs for the treatment of Alzheimer's disease; three acetylcholinesterase inhibitors, memantine, and aducanumab. Introducing a limited genetic panel consisting of APOE4, CYP2D6*10, and BChE*K would optimize acetylcholinesterase inhibitor therapy, facilitate immunotherapy risk assessment, and inform an amyloid-related imaging abnormality surveillance schedule. In view of the genetic heterogeneity of Alzheimer's disease identified in genome-wide association studies, pharmacogenetics is expected to play an increasing role in mechanism-specific treatment strategies and personalized medicine.
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Affiliation(s)
- Natalie Argueta
- State University of New York at Buffalo, 875 Ellicott St., Buffalo, NY, 14203, USA
| | - Emily Notari
- State University of New York at Buffalo, 875 Ellicott St., Buffalo, NY, 14203, USA
| | - Kinga Szigeti
- State University of New York at Buffalo, 875 Ellicott St., Buffalo, NY, 14203, USA.
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Personalized Management and Treatment of Alzheimer's Disease. Life (Basel) 2022; 12:life12030460. [PMID: 35330211 PMCID: PMC8951963 DOI: 10.3390/life12030460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 11/16/2022] Open
Abstract
Alzheimer’s disease (AD) is a priority health problem with a high cost to society and a large consumption of medical and social resources. The management of AD patients is complex and multidisciplinary. Over 90% of patients suffer from concomitant diseases and require personalized therapeutic regimens to reduce adverse drug reactions (ADRs), drug−drug interactions (DDIs), and unnecessary costs. Men and women show substantial differences in their AD-related phenotypes. Genomic, epigenetic, neuroimaging, and biochemical biomarkers are useful for predictive and differential diagnosis. The most frequent concomitant diseases include hypertension (>25%), obesity (>70%), diabetes mellitus type 2 (>25%), hypercholesterolemia (40%), hypertriglyceridemia (20%), metabolic syndrome (20%), hepatobiliary disorder (15%), endocrine/metabolic disorders (>20%), cardiovascular disorder (40%), cerebrovascular disorder (60−90%), neuropsychiatric disorders (60−90%), and cancer (10%). Over 90% of AD patients require multifactorial treatments with risk of ADRs and DDIs. The implementation of pharmacogenetics in clinical practice can help optimize the limited therapeutic resources available to treat AD and personalize the use of anti-dementia drugs, in combination with other medications, for the treatment of concomitant disorders.
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Cacabelos R, Naidoo V, Martínez-Iglesias O, Corzo L, Cacabelos N, Pego R, Carril JC. Pharmacogenomics of Alzheimer's Disease: Novel Strategies for Drug Utilization and Development. Methods Mol Biol 2022; 2547:275-387. [PMID: 36068470 DOI: 10.1007/978-1-0716-2573-6_13] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Alzheimer's disease (AD) is a priority health problem in developed countries with a high cost to society. Approximately 20% of direct costs are associated with pharmacological treatment. Over 90% of patients require multifactorial treatments, with risk of adverse drug reactions (ADRs) and drug-drug interactions (DDIs) for the treatment of concomitant diseases such as hypertension (>25%), obesity (>70%), diabetes mellitus type 2 (>25%), hypercholesterolemia (40%), hypertriglyceridemia (20%), metabolic syndrome (20%), hepatobiliary disorder (15%), endocrine/metabolic disorders (>20%), cardiovascular disorder (40%), cerebrovascular disorder (60-90%), neuropsychiatric disorders (60-90%), and cancer (10%).For the past decades, pharmacological studies in search of potential treatments for AD focused on the following categories: neurotransmitter enhancers (11.38%), multitarget drugs (2.45%), anti-amyloid agents (13.30%), anti-tau agents (2.03%), natural products and derivatives (25.58%), novel synthetic drugs (8.13%), novel targets (5.66%), repository drugs (11.77%), anti-inflammatory drugs (1.20%), neuroprotective peptides (1.25%), stem cell therapy (1.85%), nanocarriers/nanotherapeutics (1.52%), and other compounds (<1%).Pharmacogenetic studies have shown that the therapeutic response to drugs in AD is genotype-specific in close association with the gene clusters that constitute the pharmacogenetic machinery (pathogenic, mechanistic, metabolic, transporter, pleiotropic genes) under the regulatory control of epigenetic mechanisms (DNA methylation, histone/chromatin remodeling, microRNA regulation). Most AD patients (>60%) are carriers of over ten pathogenic genes. The genes that most frequently (>50%) accumulate pathogenic variants in the same AD case are A2M (54.38%), ACE (78.94%), BIN1 (57.89%), CLU (63.15%), CPZ (63.15%), LHFPL6 (52.63%), MS4A4E (50.87%), MS4A6A (63.15%), PICALM (54.38%), PRNP (80.7059), and PSEN1 (77.19%). There is also an accumulation of 15 to 26 defective pharmagenes in approximately 85% of AD patients. About 50% of AD patients are carriers of at least 20 mutant pharmagenes, and over 80% are deficient metabolizers for the most common drugs, which are metabolized via the CYP2D6, CYP2C9, CYP2C19, and CYP3A4/5 enzymes.The implementation of pharmacogenetics can help optimize drug development and the limited therapeutic resources available to treat AD, and personalize the use of anti-dementia drugs in combination with other medications for the treatment of concomitant disorders.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain.
| | - Vinogran Naidoo
- Department of Neuroscience, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
| | - Olaia Martínez-Iglesias
- Department of Medical Epigenetics, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
| | - Lola Corzo
- Department of Medical Biochemistry, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
| | - Natalia Cacabelos
- Department of Medical Documentation, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
| | - Rocío Pego
- Department of Neuropsychology, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
| | - Juan C Carril
- Department of Genomics and Pharmacogenomics, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
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Walczak-Nowicka ŁJ, Herbet M. Acetylcholinesterase Inhibitors in the Treatment of Neurodegenerative Diseases and the Role of Acetylcholinesterase in their Pathogenesis. Int J Mol Sci 2021; 22:9290. [PMID: 34502198 PMCID: PMC8430571 DOI: 10.3390/ijms22179290] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/21/2022] Open
Abstract
Acetylcholinesterase (AChE) plays an important role in the pathogenesis of neurodegenerative diseases by influencing the inflammatory response, apoptosis, oxidative stress and aggregation of pathological proteins. There is a search for new compounds that can prevent the occurrence of neurodegenerative diseases and slow down their course. The aim of this review is to present the role of AChE in the pathomechanism of neurodegenerative diseases. In addition, this review aims to reveal the benefits of using AChE inhibitors to treat these diseases. The selected new AChE inhibitors were also assessed in terms of their potential use in the described disease entities. Designing and searching for new drugs targeting AChE may in the future allow the discovery of therapies that will be effective in the treatment of neurodegenerative diseases.
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Affiliation(s)
| | - Mariola Herbet
- Chair and Department of Toxicology, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 8bStreet, 20-090 Lublin, Poland;
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Chou PS, Huang LC, Hour TC, Yen CW, Yang YH. Impact of the CYP2D6 single nucleotide polymorphism on the concentration of and therapeutic response to donepezil in mild-to-moderate Alzheimer's disease. J Formos Med Assoc 2021; 121:409-415. [PMID: 34120801 DOI: 10.1016/j.jfma.2021.05.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/20/2021] [Accepted: 05/24/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND/PURPOSE Donepezil was approved for the treatment of Alzheimer's disease (AD) but causes variable therapeutic responses. Thus, identifying specific genetic polymorphisms, which can predict a therapeutic response to donepezil, would enable a development of personalized strategy to treatment for patients with AD. The research aimed to exam the impact of the cytochrome P450 2D6 (CYP2D6) single nucleotide polymorphism (SNP) rs1080985 on the concentration of and therapeutic response to donepezil in AD. METHODS In total, 40 newly diagnosed AD patients who had a clinical dementia rating (CDR) of 0.5-2 and who were on donepezil were enrolled and followed up. Plasma concentrations of donepezil were determined after 6 months of donepezil treatment. Cognitive and functional statuses were evaluated annually during follow-up. The response to therapy was defined based on the change in CDR. RESULTS At a mean of 21.8 ± 5.7 months of follow-up, 10 of 40 patients (25.0%) were nonresponders to donepezil treatment. Patients who were homozygous for the G allele exhibited a higher concentration of donepezil and concentration-to-dose ratio than those with other genotypes. Furthermore, a significantly higher proportion of patients with the G/G genotype were responders than nonresponders (90.0% vs 50.0%, P = 0.015, effect size of V: 0.457) to donepezil treatment. Conversely, patients carrying the C allele had a significantly high risk of poor responses to donepezil treatment (odds ratio: 9.00, 95% confidence interval: 1.611-50.275). CONCLUSION The CYP2D6 SNP rs1080985 might be a useful pharmacogenetic marker of the long-term therapeutic response to donepezil in patients with AD.
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Affiliation(s)
- Ping-Song Chou
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of and Master's Program in Neurology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ling-Chun Huang
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Neurology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan
| | - Tzyh-Chyuan Hour
- Division of Biochemistry and Molecular Biology, Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Chen-Wen Yen
- Department of Mechanical and Electro-Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Yuan-Han Yang
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of and Master's Program in Neurology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Neurology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan.
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Kowalska M, Wize K, Prendecki M, Lianeri M, Kozubski W, Dorszewska J. Genetic Variants and Oxidative Stress in Alzheimer's Disease. Curr Alzheimer Res 2021; 17:208-223. [PMID: 32091332 DOI: 10.2174/1567205017666200224121447] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 01/08/2020] [Accepted: 02/12/2020] [Indexed: 12/26/2022]
Abstract
In an aging society, the number of people suffering from Alzheimer's Disease (AD) is still growing. Currently, intensive research is being carried out on the pathogenesis of AD. The results of these studies indicated that oxidative stress plays an important role in the onset and development of this disease. Moreover, in AD oxidative stress is generated by both genetic and biochemical factors as well as the functioning of the systems responsible for their formation and removal. The genetic factors associated with the regulation of the redox system include TOMM40, APOE, LPR, MAPT, APP, PSEN1 and PSEN2 genes. The most important biochemical parameters related to the formation of oxidative species in AD are p53, Homocysteine (Hcy) and a number of others. The formation of Reactive Oxygen Species (ROS) is also related to the efficiency of the DNA repair system, the effectiveness of the apoptosis, autophagy and mitophagy processes as well as the antioxidant potential. However, these factors are responsible for the development of many disorders, often with similar clinical symptoms, especially in the early stages of the disease. The discovery of markers of the early diagnosis of AD may contribute to the introduction of pharmacotherapy and slow down the progression of this disease.
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Affiliation(s)
- Marta Kowalska
- Laboratory of Neurobiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Wize
- Laboratory of Neurobiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Michał Prendecki
- Laboratory of Neurobiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Margarita Lianeri
- Laboratory of Neurobiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Wojciech Kozubski
- Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Jolanta Dorszewska
- Laboratory of Neurobiology, Poznan University of Medical Sciences, Poznan, Poland
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An Alzheimer Disease Challenge Model: 24-Hour Sleep Deprivation in Healthy Volunteers, Impact on Working Memory, and Reversal Effect of Pharmacological Intervention: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study. J Clin Psychopharmacol 2021; 40:222-230. [PMID: 32332458 DOI: 10.1097/jcp.0000000000001199] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE/BACKGROUND Alzheimer disease (AD) is a public health issue because of the low number of symptomatic drugs and the difficulty to diagnose it at the prodromal stage. The need to develop new treatments and to validate sensitive tests for early diagnosis could be met by developing a challenge model reproducing cognitive impairments of AD. Therefore, we implemented a 24-hour sleep deprivation (SD) design on healthy volunteers in a randomized, double-blind, placebo-controlled, crossover study on 36 healthy volunteers. METHODS/PROCEDURE To validate the SD model, cognitive tests were chosen to assess a transient worsening of cognitive functions after SD and a restoration under modafinil as positive control (one dose of 200 mg). Then, the same evaluations were replicated after 15 days of donepezil (5 mg/d) or memantine (10 mg/d). The working memory (WM) function was assessed by the N-back task and the rapid visual processing (RVP) task. FINDINGS/RESULTS The accuracy of the N-back task and the reaction time of the RVP revealed the alteration of the WM with SD and its restoration with modafinil (changes in score after SD compared with baseline before SD), respectively, in the placebo group and in the modafinil group (-0.2% and +1.0% of satisfactory answers, P = 0.022; +21.3 and +1.9 milliseconds of reaction time, P = 0.025). Alzheimer disease drugs also tended to reverse this deterioration: the accuracy of the N-back task was more stable through SD (compared with -3.0% in the placebo group, respectively, in the memantine group and in the donepezil group: -1.4% and -1.6%, P = 0.027 and P = 0.092) and RVP reaction time was less impacted (compared with +41.3 milliseconds in the placebo group, respectively, in the memantine group and in the donepezil group: +16.1 and +29.3 milliseconds, P = 0.034 and P = 0.459). IMPLICATIONS/CONCLUSIONS Our SD challenge model actually led to a worsening of WM that was moderated by both modafinil and AD drugs. To use this approach, the cognitive battery, the vulnerability of the subjects to SD, and the expected drug effect should be carefully considered.
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Mohammed Alkreathy H, Mohammed Eid Alsayyid K, Alaama JY, Al Ghalayini K, Karim S, Esmat A, Damanhouri ZA. Bisoprolol responses (PK/PD) in hypertensive patients: A cytochrome P450 (CYP) 2D6 targeted polymorphism study. Saudi J Biol Sci 2020; 27:2727-2732. [PMID: 32994732 PMCID: PMC7499297 DOI: 10.1016/j.sjbs.2020.06.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 06/06/2020] [Accepted: 06/11/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Bisoprolol is an effective β1-adrenergic blocker, an inter-individual genetic variability was recorded in its response. This study aimed at investigating the association of CYP2D6*2A (rs1080985) and CYP2D6*10 (rs1065852) single-nucleotide polymorphism (SNP) with Bisoprolol response in cardiac patients attending King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia. PATIENTS AND METHODS In the study, 107 patients were enrolled. Five mL of venous blood was collected from each patient and genotyping for CYP2D6*2A and CYP2D6*10 using Vivid® CYP2D6 Green Screening Kit (Life Technologies, USA). Response to Bisoprolol was evaluated through assessment of diastolic and systolic blood pressure and by measuring Bisoprolol plasma level using triple quad mass spectrometer (TQ-MS). RESULTS All patients were found to carry homozygous wild type CYP2D6*10 (GG) and none were carrying heterozygous (GA) or mutant homozygous (AA) genotype. CYP2D6*2A allele was detected in the homozygous wild type (GG) in 70 out of 107 patients, the heterozygous (GC) in 19 patients, and the homozygous mutant (CC) in 18 patients with minor allele frequency (MAF) of 25.7%. The plasma concentrations of Bisoprolol in CC carriers were significantly lower than those in GG & CC carriers by 25%, and 51%; respectively. Higher systolic and diastolic blood pressures were also observed in CC carriers than GG and CC carriers. CONCLUSION There is a possible association of CYP2D6*2A genotype with plasma concentration of bisoprolol. This could provide a helpful tool to choose the optimum dose for bisoprolol, depending on the patient's genotyping, in order to increase effectiveness and ameliorate its toxicity.
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Affiliation(s)
- Huda Mohammed Alkreathy
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Jumana Y. Alaama
- Department of Medical Genetics, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Princess Al Jawhara Center of Excellence in Research of Hereditary Disorders, King Abdulaziz University, Jeddah 21413, Saudi Arabia
| | - Kamal Al Ghalayini
- Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shahid Karim
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed Esmat
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt
| | - Zoheir A. Damanhouri
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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12
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Pamio MV, Trevisan C, Pigozzo S, De Rui M, Devita M, Girardi A, Manzato E, Sergi G, Coin A. Are cytochrome P4502D6 and apolipoprotein E genotypes associated with long-term cognitive and functional changes in patients treated with donepezil? Psychogeriatrics 2020; 20:578-584. [PMID: 32237281 DOI: 10.1111/psyg.12547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 02/25/2020] [Accepted: 03/16/2020] [Indexed: 11/27/2022]
Abstract
AIM We investigated the associations of the single-nucleotide polymorphism rs1080985 of cytochrome P4502D6 (CYP2D6) and the apolipoprotein E (APOE) genotypes with cognitive and functional changes in patients treated with donepezil. METHODS Sixty-five outpatients with Alzheimer's disease or mixed dementia being treated with donepezil were assessed at baseline and over 27 months. Changes in cognitive status, assessed with the Mini-Mental State Examination, and in functional status, assessed by the Activities of Daily Living Scale and the Instrumental Activities of Daily Living Scale, were evaluated as a function of CYP2D6 and APOE genotypes by using linear mixed models. Multiplicative interactions between the CYP2D6 and APOE genotypes and time were investigated. RESULTS Individuals with the mutated CYP2D6 exhibited a slower decline in total Mini-Mental State Examination scores, orientation, registration, and functional status than those with the wild type. A significant interaction between CYP2D6, APOE, and time was found for changes in the Activities of Daily Living Scale; among the ε4 carriers, those with the mutated CYP2D6 exhibited a slower decline on the Activities of Daily Living Scale than those with the wild type. CONCLUSION The CYP2D6 and APOE genotypes may modulate the effectiveness of donepezil on cognitive and functional status.
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Affiliation(s)
- Maria V Pamio
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Caterina Trevisan
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Sabrina Pigozzo
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Marina De Rui
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Maria Devita
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Agostino Girardi
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Enzo Manzato
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy.,National Research Council, Neuroscience Institute, Padua, Italy
| | - Giuseppe Sergi
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
| | - Alessandra Coin
- Department of Medicine (DIMED), Geriatrics Division, University of Padua, Padua, Italy
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13
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Cacabelos R. Pharmacogenetic considerations when prescribing cholinesterase inhibitors for the treatment of Alzheimer's disease. Expert Opin Drug Metab Toxicol 2020; 16:673-701. [PMID: 32520597 DOI: 10.1080/17425255.2020.1779700] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Cholinergic dysfunction, demonstrated in the late 1970s and early 1980s, led to the introduction of acetylcholinesterase inhibitors (AChEIs) in 1993 (Tacrine) to enhance cholinergic neurotransmission as the first line of treatment against Alzheimer's disease (AD). The new generation of AChEIs, represented by Donepezil (1996), Galantamine (2001) and Rivastigmine (2002), is the only treatment for AD to date, together with Memantine (2003). AChEIs are not devoid of side-effects and their cost-effectiveness is limited. An option to optimize the correct use of AChEIs is the implementation of pharmacogenetics (PGx) in the clinical practice. AREAS COVERED (i) The cholinergic system in AD, (ii) principles of AD PGx, (iii) PGx of Donepezil, Galantamine, Rivastigmine, Huperzine and other treatments, and (iv) practical recommendations. EXPERT OPINION The most relevant genes influencing AChEI efficacy and safety are APOE and CYPs. APOE-4 carriers are the worst responders to AChEIs. With the exception of Rivastigmine (UGT2B7, BCHE-K), the other AChEIs are primarily metabolized via CYP2D6, CYP3A4, and UGT enzymes, with involvement of ABC transporters and cholinergic genes (CHAT, ACHE, BCHE, SLC5A7, SLC18A3, CHRNA7) in most ethnic groups. Defective variants may affect the clinical response to AChEIs. PGx geno-phenotyping is highly recommended prior to treatment.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine , Bergondo, Corunna, Spain
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14
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Lu J, Wang X, Wan L, Fu J, Huo Y, Zhao Y, Guo C. Gene Polymorphisms Affecting the Pharmacokinetics and Pharmacodynamics of Donepezil Efficacy. Front Pharmacol 2020; 11:934. [PMID: 32636753 PMCID: PMC7317019 DOI: 10.3389/fphar.2020.00934] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 06/08/2020] [Indexed: 12/15/2022] Open
Abstract
Donepezil (DNP) is the first-line drug used for Alzheimer's disease (AD). However, the therapeutic response rate of patients to DNP varies from 20 to 60%. The main reason for the large differences in the clinical efficacy of DNP therapy is genetic factors, some of which affect pharmacokinetics (PK), while others affect pharmacodynamics (PD). Thus, much emphasis has been placed on the investigation of an association between PK- and PD-related gene polymorphisms and therapeutic response to DNP, but a consistent view does not yet exist. In this review, we summarize recent findings regarding genetic factors influencing the clinical efficacy of DNP, including substantial differences in individual responses as a consequence of polymorphisms in Cytochrome P450 (CYP) 2D6, CY3A4, CY3A5, APOE, ABCA1, ABCB1, ESR1, BCHE, PON-1, CHRNA7, and CHAT. We also discuss possible strategies for the evaluation of the clinical efficacy of DNP, with a specific focus on possible biomarkers of PK/PD parameters, and provide perspectives and limitations within the field, which will also be beneficial for understanding the multiple mechanisms of DNP therapy in AD.
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Affiliation(s)
- Jin Lu
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiuzhe Wang
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lili Wan
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jianliang Fu
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yan Huo
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yuwu Zhao
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Cheng Guo
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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15
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Pharmacogenomics of Cognitive Dysfunction and Neuropsychiatric Disorders in Dementia. Int J Mol Sci 2020; 21:ijms21093059. [PMID: 32357528 PMCID: PMC7246738 DOI: 10.3390/ijms21093059] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/21/2020] [Accepted: 04/21/2020] [Indexed: 02/07/2023] Open
Abstract
Symptomatic interventions for patients with dementia involve anti-dementia drugs to improve cognition, psychotropic drugs for the treatment of behavioral disorders (BDs), and different categories of drugs for concomitant disorders. Demented patients may take >6–10 drugs/day with the consequent risk for drug–drug interactions and adverse drug reactions (ADRs >80%) which accelerate cognitive decline. The pharmacoepigenetic machinery is integrated by pathogenic, mechanistic, metabolic, transporter, and pleiotropic genes redundantly and promiscuously regulated by epigenetic mechanisms. CYP2D6, CYP2C9, CYP2C19, and CYP3A4/5 geno-phenotypes are involved in the metabolism of over 90% of drugs currently used in patients with dementia, and only 20% of the population is an extensive metabolizer for this tetragenic cluster. ADRs associated with anti-dementia drugs, antipsychotics, antidepressants, anxiolytics, hypnotics, sedatives, and antiepileptic drugs can be minimized by means of pharmacogenetic screening prior to treatment. These drugs are substrates, inhibitors, or inducers of 58, 37, and 42 enzyme/protein gene products, respectively, and are transported by 40 different protein transporters. APOE is the reference gene in most pharmacogenetic studies. APOE-3 carriers are the best responders and APOE-4 carriers are the worst responders; likewise, CYP2D6-normal metabolizers are the best responders and CYP2D6-poor metabolizers are the worst responders. The incorporation of pharmacogenomic strategies for a personalized treatment in dementia is an effective option to optimize limited therapeutic resources and to reduce unwanted side-effects.
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16
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Cacabelos R. Pharmacogenomics of drugs used to treat brain disorders. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2020. [DOI: 10.1080/23808993.2020.1738217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ramon Cacabelos
- International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Corunna, Spain
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17
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Jia J, Wei C, Chen W, Jia L, Zhou A, Wang F, Tang Y, Xu L. Safety and Efficacy of Donepezil 10 mg/day in Patients with Mild to Moderate Alzheimer’s Disease. J Alzheimers Dis 2020; 74:199-211. [PMID: 31985467 DOI: 10.3233/jad-190940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Jianping Jia
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Cuibai Wei
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Wei Chen
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Longfei Jia
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Aihong Zhou
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Fen Wang
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Yi Tang
- Department of Neurology, Xuan Wu Hospital of Capital Medical University, Beijing, China
| | - Luoyi Xu
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
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18
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Won DY, Byun SJ, Jeong JS, Shin JY. Association Between Acetylcholinesterase Inhibitors and Osteoporotic Fractures in Older Persons With Alzheimer's Disease. J Am Med Dir Assoc 2020; 21:1128-1133.e1. [PMID: 31926798 DOI: 10.1016/j.jamda.2019.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 01/19/2023]
Abstract
OBJECTIVE To identify the association between the use of acetylcholinesterase inhibitors (AChEIs) and risk of osteoporotic fractures in older persons with Alzheimer's disease (AD). DESIGN, SETTING, AND PARTICIPANTS A nested case-control study was conducted using the Korean National Health Insurance Service-National Elderly Cohort database. Patients with AD who were newly diagnosed with osteoporotic fractures were identified as cases. Up to 3 controls were matched with cases according to age, sex, and duration of follow-up. METHODS Participants were considered as exposed to AChEIs if they had been prescribed at least 1 AChEI during a period of 2 years before the index date. A conditional logistic regression was performed to estimate the adjusted odds ratios with 95% confidence intervals for the association between the use of AChEIs and osteoporotic fractures in patients with AD. We also examined the impact of dose, duration of treatment, and timing of exposure on the estimates of the association between the use of AChEIs and risk of osteoporotic fractures. RESULTS The study cohort comprised 45,006 patients diagnosed with AD, of which 9470 patients, including 2385 cases and 7085 controls, were available for the study. The mean ages (standard deviations) were 78.6 (6.9) years in the cases and 80.0 (6.9) years in the controls. Adjusted odds ratios for the association between the use of AChEIs and osteoporotic fractures in patients with AD was 1.18 (95% confidence interval 1.07-1.31). CONCLUSIONS AND IMPLICATIONS Our data indicated that the use of AChEIs was not associated with a reduced risk of osteoporotic fractures in patients with AD; in contrast, their use was associated with a mild increased risk of osteoporotic fractures. Thus, clinicians should consider the possibility of AChEIs-associated fractures among older persons with AD. Findings of this study will support shared decision making among prescribers, patients, and caregivers.
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Affiliation(s)
- Dae Yeon Won
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeong gi-do, South Korea
| | - Seong Jun Byun
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeong gi-do, South Korea
| | - Jin Sook Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeong gi-do, South Korea
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeong gi-do, South Korea.
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19
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Miscio G, Paroni G, Bisceglia P, Gravina C, Urbano M, Lozupone M, Piccininni C, Prisciandaro M, Ciavarella G, Daniele A, Bellomo A, Panza F, Di Mauro L, Greco A, Seripa D. Pharmacogenetics in the clinical analysis laboratory: clinical practice, research, and drug development pipeline. Expert Opin Drug Metab Toxicol 2019; 15:751-765. [PMID: 31512953 DOI: 10.1080/17425255.2019.1658742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Over the last decade, the spread of next-generation sequencing technology along with the rising cost in health management in national health systems has led to widespread use/abuse of pharmacogenetic tests (PGx) in the practice of many clinical disciplines. However, given their clinical significance, it is important to standardize these tests for having an interaction with the clinical analysis laboratory (CAL), in which a PGx service can meet these requirements. Areas covered: A diagnostic test must meet the criteria of reproducibility and validity for its utility in the clinical routine. This present review mainly describes the utility of introducing PGx tests in the CAL routine to produce correct results useful for setting up personalized drug treatments. Expert opinion: With a PGx service, CALs can provide the right tool to help clinicians to make better choices about different categories of drugs and their dosage and to manage the economic impact both in hospital-based settings and in National Health Services, throughout electronic health records. Advances in PGx also allow a new approach for pharmaceutical companies in order to improve drug development and clinical trials. As a result, CALs can achieve a powerful source of epidemiological, clinical, and research findings from PGx tests.
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Affiliation(s)
- Giuseppe Miscio
- Clinical Laboratory Analysis and Transfusional Medicine, Laboratory and Transfusional Diagnostics, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Giulia Paroni
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Paola Bisceglia
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Carolina Gravina
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Maria Urbano
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Madia Lozupone
- Neurodegenerative Disease Unit, Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro , Bari , Italy
| | - Carla Piccininni
- Psychiatric Unit, Department of Clinical and Experimental Medicine, University of Foggia , Foggia , Italy
| | - Michele Prisciandaro
- Clinical Laboratory Analysis and Transfusional Medicine, Laboratory and Transfusional Diagnostics, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Grazia Ciavarella
- Clinical Laboratory Analysis and Transfusional Medicine, Laboratory and Transfusional Diagnostics, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Antonio Daniele
- Institute of Neurology, Catholic University of Sacred Heart , Rome , Italy.,Institute of Neurology, Fondazione Policlinico Universitario A. Gemelli IRCCS , Rome , Italy
| | - Antonello Bellomo
- Psychiatric Unit, Department of Clinical and Experimental Medicine, University of Foggia , Foggia , Italy
| | - Francesco Panza
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy.,Neurodegenerative Disease Unit, Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro , Bari , Italy
| | - Lazzaro Di Mauro
- Clinical Laboratory Analysis and Transfusional Medicine, Laboratory and Transfusional Diagnostics, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Antonio Greco
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
| | - Davide Seripa
- Research Laboratory, Complex Structure of Geriatrics, Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza , Foggia , Italy
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Yaowaluk T, Senanarong V, Limwongse C, Boonprasert R, Kijsanayotin P. Influence of CYP2D6, CYP3A5, ABCB1, APOE polymorphisms and nongenetic factors on donepezil treatment in patients with Alzheimer's disease and vascular dementia. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2019; 12:209-224. [PMID: 31564952 PMCID: PMC6732559 DOI: 10.2147/pgpm.s211259] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 07/16/2019] [Indexed: 01/15/2023]
Abstract
Purpose This study aims to evaluate the influence of genetic polymorphisms of CYP2D6, CYP3A5, ABCB1, and APOE genes and nongenetic factors on steady-state plasma concentrations (Cpss) of donepezil and therapeutic outcomes in Thai patients with Alzheimer’s disease (AD) and vascular dementia (VAD). Patients and methods Eighty-five dementia patients who received donepezil for at least six months were recruited. CYP2D6, CYP3A5, ABCB1, and APOE polymorphisms were genotyped. Cpss of donepezil was measured. Association of genetic and non-genetic factors with Cpss and clinical outcomes of donepezil (cognitive function as measured by the Thai Mental State Examination score; TMSE) were determined by using univariate and multivariate analysis. Results Both univariate and multiple linear regression analysis indicated that only CYP2D6*10 allele was associated with higher Cpss (p-value =0.029 and B =0.478, p-value =0.032, respectively) that might influence the clinical outcomes of donepezil. ie, TMSE (p-value =0.010 and B =4.527, p-value =0.001) and ΔTMSE (p-value =0.023 and B =4.107, p-value =0.002), especially in patients with AD. Interestingly, concomitant use of memantine was found to be associated with increased Cpss of donepezil (p-value =0.007 and B =0.511, p-value =0.014). Whereas, co-medication with antidepressant drugs attenuated clinical responses in patients with AD (TMSE: B =−2.719, p-value =0.013 and ΔTMSE: B =−2.348, p-value =0.028). Age was a significant predictor of donepezil response in VAD patients. No significant association of CYP3A5*3, ABCB1 3435C>T or ABCB1 1236C>T, and APOE ε4 genotypes with Cpss or clinical outcomes of donepezil was found in this study. Conclusion Our results suggests that CYP2D6*10 strongly influences Cpss and there is a trend toward better outcomes of donepezil in patients with AD. Nongenetic factors including concomitant drugs treatment might alter Cpss of donepezil or clinical outcomes.
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Affiliation(s)
- Thitipon Yaowaluk
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Vorapun Senanarong
- Division of Neurology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chanin Limwongse
- Division of Medical Genetics, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Rasda Boonprasert
- Clinical Toxicology Laboratory, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pornpimol Kijsanayotin
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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21
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Tepmongkol S, Hemrungrojn S, Dupont P, Tunvirachaisakul C, Aniwattanapong D, Likitjareon Y, Supasitthumrong T, Tawankanjanachot I, Siritranon N, Chuchuen P, Natsawang B, Tangwongchai S. Early prediction of donepezil cognitive response in Alzheimer's disease by brain perfusion single photon emission tomography. Brain Imaging Behav 2019; 13:1665-1673. [PMID: 31432319 DOI: 10.1007/s11682-019-00182-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Currently, there is no effective means to evaluate donepezil response. We evaluated brain perfusion change at 4 h after donepezil administration (4 h DNPZ) to predict cognitive responses after 6 months of medication. CERAD neuropsychological assessment battery was used to define cognitive response at 6 months. We compared 4 h DNPZ to baseline single photon emission tomography (SPECT) by statistical parametric mapping to identify perfusion changes in responders (N = 16) and non-responders (N = 7). In responders, there were significant relatively increase in perfusion in left parietal lobe (BA39, 7, 1), right superior frontal gyrus (BA6) and right middle occipital gyrus (BA39). In the non-responders, perfusion was relatively increase in the left parietal lobe (BA39) only. In an explorative analysis, we found a significant correlation between perfusion changes in right BA6 and CERAD score changes at 6 months. Different SPECT perfusion changes at 4 h after donepezil administration were demonstrated in the group of responders and non-responders with potential correlation with CERAD score change. Thus, 4 h DNPZ brain perfusion SPECT can be used to predict donepezil response at 6 months.
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Affiliation(s)
- Supatporn Tepmongkol
- Division of Nuclear Medicine, Department of Radiology, Faculty of Medicine, Chulalongkorn University, Rama IV Rd., Pathumwan, Bangkok, 10330, Thailand. .,Chulalongkorn University Biomedical Imaging Group (CUBIG), Department of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
| | - Solaphat Hemrungrojn
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Patrick Dupont
- Laboratory for Cognitive Neurology, Department of Neurosciences, KU Leuven, Leuven, Belgium
| | | | - Daruj Aniwattanapong
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Department of Psychiatry, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Yuttachai Likitjareon
- Division of Neurology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Thitiporn Supasitthumrong
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Department of Psychiatry, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Itthipol Tawankanjanachot
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Department of Psychiatry, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Natakorn Siritranon
- Division of Nuclear Medicine, Department of Radiology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | | | - Buntipa Natsawang
- Department of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Chebotareva AD, Levin OS, Markov DD, Sychev DA, Grishina EA. [Is it personalized treatment of dementia based on the CYP2D6 gene polymorphism possible?]. Zh Nevrol Psikhiatr Im S S Korsakova 2018; 118:90-94. [PMID: 30346440 DOI: 10.17116/jnevro201811806290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Treatment of dementia is an urgent problem of modern neurology. Currently, four drugs are recommended to treat dementia, two of which (donepezil and galantamine) are metabolized with participation of the CYP2D6 enzyme. Genetic heterogeneity of CYP2D6 is associated with different enzyme activity, which affects the concentration of its substrates in blood and, accordingly, the clinical effect and the risk of side-effects of drugs. AIM To genotype the single nucleotide polymorphism 1846G>A in the CYP2D6 gene and evaluate its effect on the efficacy and safety of donepezyl in the treatment of Alzheimer's disease (AD). MATERIAL AND METHODS Twenty-one patients with AD were genotyped for the CYP2D6 1846G>A polymorphism, which corresponds to the most common in Caucasians allele CYP2D6*4. An effect of this polymorphism on the efficacy and safety of donepezyl was assessed. RESULTS AND CONCLUSION There was no association between the CYP2D6 genotype and the efficacy of antidementia therapy (OR=0,44, 95% CI -3.0-1,38; p=0,46).
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Affiliation(s)
- A D Chebotareva
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - O S Levin
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - D D Markov
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - D A Sychev
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - E A Grishina
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
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Zhang N, Gordon ML. Clinical efficacy and safety of donepezil in the treatment of Alzheimer's disease in Chinese patients. Clin Interv Aging 2018; 13:1963-1970. [PMID: 30349215 PMCID: PMC6187917 DOI: 10.2147/cia.s159920] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Donepezil, an acetylcholinesterase inhibitor (AChEI), has been widely used to treat Alzheimer's disease (AD) in China. However, there are few studies focusing on the efficacy and safety of donepezil in Chinese patients. In this review, we discuss 1) the efficacy of donepezil and its comparison with other AChEIs or memantine, 2) the therapeutic responses to donepezil and its influencing factors, and 3) the safety and tolerability of donepezil in Chinese patients with different stages of AD and amnestic mild cognitive impairment, and further compare the similarities and differences of the results between Chinese studies and previous Western studies that predominantly enrolled Caucasian subjects. We include Chinese clinical trials and other well-designed studies investigating donepezil or using donepezil as a positive control, in which the efficacy and/or safety of donepezil have been analyzed. Based on these studies, donepezil has been shown to be effective and safe in Chinese AD patients and may impact AD biomarkers, such as hippocampal atrophy, Aβ, and tau. In addition, the therapeutic response to donepezil may be influenced by apolipoprotein E or cytochrome P450 2D6 polymorphism.
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Affiliation(s)
- Nan Zhang
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin Neurological Institute, Tianjin, People's Republic of China, .,Department of Neurology and Neurosurgery, Tianjin Medical University General Hospital Airport Hospital, Tianjin, People's Republic of China,
| | - Marc L Gordon
- The Litwin-Zucker Research Center, The Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA.,Departments of Neurology and Psychiatry, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
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24
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Simchovitz A, Heneka MT, Soreq H. Personalized genetics of the cholinergic blockade of neuroinflammation. J Neurochem 2017; 142 Suppl 2:178-187. [PMID: 28326544 PMCID: PMC5600134 DOI: 10.1111/jnc.13928] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 11/27/2016] [Accepted: 12/05/2016] [Indexed: 01/09/2023]
Abstract
Acetylcholine signaling is essential for cognitive functioning and blocks inflammation. To maintain homeostasis, cholinergic signaling is subjected to multi‐leveled and bidirectional regulation by both proteins and non‐coding microRNAs (‘CholinomiRs’). CholinomiRs coordinate the cognitive and inflammatory aspects of cholinergic signaling by targeting major cholinergic transcripts including the acetylcholine hydrolyzing enzyme acetylcholinesterase (AChE). Notably, AChE inhibitors are the only currently approved line of treatment for Alzheimer's disease patients. Since cholinergic signaling blocks neuroinflammation which is inherent to Alzheimer's disease, genomic changes modifying AChE's properties and its susceptibility to inhibitors and/or to CholinomiRs regulation may affect the levels and properties of inflammasome components such as NLRP3. This calls for genomic‐based medicine approaches based on genotyping of both coding and non‐coding single nucleotide polymorphisms (SNPs) in the genes involved in cholinergic signaling. An example is a SNP in a recognition element for the primate‐specific microRNA‐608 within the 3′ untranslated region of the AChE transcript. Carriers of the minor allele of that SNP present massively elevated brain AChE levels, increased trait anxiety and inflammation, accompanied by perturbed CholinomiR‐608 regulatory networks and elevated prefrontal activity under exposure to stressful insults. Several additional SNPs in the AChE and other cholinergic genes await further studies, and might likewise involve different CholinomiRs and pathways including those modulating the initiation and progression of neurodegenerative diseases. CholinomiRs regulation of the cholinergic system thus merits in‐depth interrogation and is likely to lead to personalized medicine approaches for achieving better homeostasis in health and disease. This is an article for the special issue XVth International Symposium on Cholinergic Mechanisms. ![]()
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Affiliation(s)
- Alon Simchovitz
- Department of Biological Chemistry, The Hebrew University of Jerusalem, Givat Ram, Jerusalem, Israel
| | | | - Hermona Soreq
- Department of Biological Chemistry, The Hebrew University of Jerusalem, Givat Ram, Jerusalem, Israel
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