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Mei J, Li Y, Niu L, Liang R, Tang M, Cai Q, Xu J, Zhang D, Yin X, Liu X, Shen Y, Liu J, Xu M, Xia P, Ling J, Wu Y, Liang J, Zhang J, Yu P. SGLT2 inhibitors: a novel therapy for cognitive impairment via multifaceted effects on the nervous system. Transl Neurodegener 2024; 13:41. [PMID: 39123214 PMCID: PMC11312905 DOI: 10.1186/s40035-024-00431-y] [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: 03/14/2024] [Accepted: 07/11/2024] [Indexed: 08/12/2024] Open
Abstract
The rising prevalence of diabetes mellitus has casted a spotlight on one of its significant sequelae: cognitive impairment. Sodium-glucose cotransporter-2 (SGLT2) inhibitors, originally developed for diabetes management, are increasingly studied for their cognitive benefits. These benefits may include reduction of oxidative stress and neuroinflammation, decrease of amyloid burdens, enhancement of neuronal plasticity, and improved cerebral glucose utilization. The multifaceted effects and the relatively favorable side-effect profile of SGLT2 inhibitors render them a promising therapeutic candidate for cognitive disorders. Nonetheless, the application of SGLT2 inhibitors for cognitive impairment is not without its limitations, necessitating more comprehensive research to fully determine their therapeutic potential for cognitive treatment. In this review, we discuss the role of SGLT2 in neural function, elucidate the diabetes-cognition nexus, and synthesize current knowledge on the cognitive effects of SGLT2 inhibitors based on animal studies and clinical evidence. Research gaps are proposed to spur further investigation.
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Affiliation(s)
- Jiaqi Mei
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Huan Kui College of Nanchang University, Nanchang, China
| | - Yi Li
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Huan Kui College of Nanchang University, Nanchang, China
| | - Liyan Niu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Huan Kui College of Nanchang University, Nanchang, China
| | - Ruikai Liang
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mingyue Tang
- Queen Mary College of Nanchang University, Nanchang, China
| | - Qi Cai
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jingdong Xu
- Queen Mary College of Nanchang University, Nanchang, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xiaoping Yin
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Xiao Liu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yunfeng Shen
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jianping Liu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Minxuan Xu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Panpan Xia
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jitao Ling
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yuting Wu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jianqi Liang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China.
| | - Peng Yu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China.
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Zamora MG, García-Lluch G, Moreno L, Pardo J, Pericas CC. Assessment of sodium-glucose cotransporter 2 inhibitors (SGLT2i) and other antidiabetic agents in Alzheimer's disease: A population-based study. Pharmacol Res 2024; 206:107295. [PMID: 38971270 DOI: 10.1016/j.phrs.2024.107295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 06/18/2024] [Accepted: 07/03/2024] [Indexed: 07/08/2024]
Abstract
The lack of effective treatments for dementia has led to explore the potential of antidiabetic agents as a possible approach. This cross-sectional and population-based study aimed to investigate the relationship between each antidiabetic drug and their defined daily doses (DDDs) and the use of anti-Alzheimer's disease (AD) drugs in order to establish new possible hypotheses about the role of antidiabetic drugs in AD. For that purpose, a database containing information on medications prescribed to 233183 patients aged 50 years or older between 2018 and 2020 was used. DDDs were calculated according to the ATC/DDD index 2023. Statistical analyses, with logistic regression, were carried out to assess antidiabetic and anti-AD drugs consumption. A total of 91836 patients who were prescribed at least one antihypertensive, antidiabetic, or lipid-modifying agent were included in the study; specifically, 29260 patients were prescribed antidiabetic medication. Among the antidiabetic agents, glucagon-like peptide-1 analogs (GLP-1) DDDs were likely to have a positive association with anti-AD drugs in people aged between 70 and 80 years. Additionally, sodium-glucose cotransporter 2 inhibitors (SGLT2i) were prone to have a positive association with anti-AD drug usage across almost every age. However, insulin usage was associated with an increased usage of anti-AD agents. In conclusion, there is evidence suggesting a correlation between certain antidiabetic agents and dementia. Specifically, GLP-1 and SGLT2i might be associated with lower odds of anti-AD drugs usage, while insulins might be linked to higher odds of using anti-AD drugs.
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Affiliation(s)
- Mar Garcia Zamora
- Research Group in Alzheimer Disease. Instituto de Investigación Sanitaria La Fe, Valencia, Spain; Cathedra DeCo MICOF-CEU UCH, University Cardenal Herrera-CEU, CEU Universities, Valencia 46115, Spain
| | - Gemma García-Lluch
- Research Group in Alzheimer Disease. Instituto de Investigación Sanitaria La Fe, Valencia, Spain; Cathedra DeCo MICOF-CEU UCH, University Cardenal Herrera-CEU, CEU Universities, Valencia 46115, Spain
| | - Lucrecia Moreno
- Cathedra DeCo MICOF-CEU UCH, University Cardenal Herrera-CEU, CEU Universities, Valencia 46115, Spain; Department of Pharmacy, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia 46115, Spain
| | - Juan Pardo
- Embedded Systems and Artificial Intelligence Group, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia 46115, Spain.
| | - Consuelo Cháfer Pericas
- Research Group in Alzheimer Disease. Instituto de Investigación Sanitaria La Fe, Valencia, Spain.
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Youn YJ, Kim S, Jeong HJ, Ah YM, Yu YM. Sodium-glucose cotransporter-2 inhibitors and their potential role in dementia onset and cognitive function in patients with diabetes mellitus: a systematic review and meta-analysis. Front Neuroendocrinol 2024; 73:101131. [PMID: 38367940 DOI: 10.1016/j.yfrne.2024.101131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/03/2024] [Accepted: 02/10/2024] [Indexed: 02/19/2024]
Abstract
This systematic review and meta-analysis aimed to determine the association between the use of sodium-glucose cotransporter 2 (SGLT-2) inhibitors and dementia onset as well as cognitive function in patients with diabetes mellitus. We comprehensively searched the MEDLINE, Embase, and CENTRAL databases to select relevant studies published up to August 2023. The use of SGLT-2 inhibitors significantly lowers dementia risk compared to SGLT-2i non-users (Hazard ratio: 0.68, 95 % CI: 0.50-0.92). Furthermore, our findings indicated a positive effect of SGLT-2 inhibitor use on cognitive function score improvement, as demonstrated by the standardized mean difference of 0.88 (95 % CI: 0.32-1.44), particularly among populations with mild cognitive impairment or dementia. This systematic review and meta-analysis indicate a potential role of SGLT-2 inhibitors in reducing the risk of dementia in patients with diabetes mellitus. These findings underscore the need for well-controlled large clinical trials and future research in this field.
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Affiliation(s)
- Yea Jin Youn
- Graduate Program of Industrial Pharmaceutical Science, Yonsei University, Incheon, Republic of Korea
| | - Seungyeon Kim
- College of Pharmacy, Dankook University, Cheonan, Republic of Korea
| | - Hyun-Jeong Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan, Republic of Korea
| | - Young-Mi Ah
- College of Pharmacy, Yeungnam University, Gyeongsan, Republic of Korea.
| | - Yun Mi Yu
- Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Incheon, Republic of Korea; Department of Pharmaceutical Medicine and Regulatory Sciences, Colleges of Medicine and Pharmacy, Yonsei University, Incheon, Republic of Korea.
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Komori T, Hoshide S, Turana Y, Sogunuru GP, Kario K. Cognitive impairment in heart failure patients: association with abnormal circadian blood pressure rhythm: a review from the HOPE Asia Network. Hypertens Res 2024; 47:261-270. [PMID: 37749335 DOI: 10.1038/s41440-023-01423-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 09/27/2023]
Abstract
Cognitive impairment (CI) is frequently a comorbid condition in heart failure (HF) patients, and is associated with increased cardiovascular events and death. Numerous factors contribute to CI in HF patients. Decreased cerebral blood flow, inflammation, and activation of neurohumoral factors are all thought to be factors that exacerbate CI. Hypoperfusion of the brain due to decreased systemic blood flow, cerebral venous congestion, and atherosclerosis are the main mechanism of CI in HF patients. Abnormal circadian BP rhythm is one of the other conditions associated with CI. The conditions in which BP does not decrease sufficiently or increases during the night are called non-dipper or riser BP patterns. Abnormal circadian BP rhythm worsens CI in HF patients through cerebral congestion during sleep and atherosclerosis due to pressure overload. Interventions for CI in HF patients include treatment for HF itself using cardiovascular drugs, and treatment for fluid retention, one of the causes of abnormal circadian rhythms. Proposed pathways of cognitive impairment in heart failure through abnormal circadian blood pressure rhythm.
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Affiliation(s)
- Takahiro Komori
- Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Tochigi, Japan
| | - Satoshi Hoshide
- Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Tochigi, Japan
| | - Yuda Turana
- Department of Neurology, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Guru Prasad Sogunuru
- Fortis Hospitals, Chennai, Tamil Nadu, India
- College of Medical Sciences, Kathmandu University, Bharatpur, Nepal
| | - Kazuomi Kario
- Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Tochigi, Japan.
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Adem MA, Decourt B, Sabbagh MN. Pharmacological Approaches Using Diabetic Drugs Repurposed for Alzheimer's Disease. Biomedicines 2024; 12:99. [PMID: 38255204 PMCID: PMC10813018 DOI: 10.3390/biomedicines12010099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) and Alzheimer's disease (AD) are chronic, progressive disorders affecting the elderly, which fosters global healthcare concern with the growing aging population. Both T2DM and AD have been linked with increasing age, advanced glycosylation end products, obesity, and insulin resistance. Insulin resistance in the periphery is significant in the development of T2DM and it has been posited that insulin resistance in the brain plays a key role in AD pathogenesis, earning AD the name "type 3 diabetes". These clinical and epidemiological links between AD and T2DM have become increasingly pronounced throughout the years, and serve as a means to investigate the effects of antidiabetic therapies in AD, such as metformin, intranasal insulin, incretins, DPP4 inhibitors, PPAR-γ agonists, SGLT2 inhibitors. The majority of these drugs have shown benefit in preclinical trials, and have shown some promising results in clinical trials, with the improvement of cognitive faculties in participants with mild cognitive impairment and AD. In this review, we have summarize the benefits, risks, and conflicting data that currently exist for diabetic drugs being repurposed for the treatment of AD.
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Affiliation(s)
- Muna A. Adem
- Department of Neurology, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, 350 W. Thomas Rd., Phoenix, AZ 85013, USA
| | - Boris Decourt
- Department of Pharmacology and Neuroscience, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA;
| | - Marwan N. Sabbagh
- Department of Neurology, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, 350 W. Thomas Rd., Phoenix, AZ 85013, USA
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Zeng L, Chen L, Gao F, Li J, Song Y, Wei L, Qu N, Li Y, Jiang H. The Comparation of Renal Anti-Senescence Effects and Blood Metabolites between Dapagliflozin and Metformin in Non-Diabetes Environment. Adv Biol (Weinh) 2023; 7:e2300199. [PMID: 37688360 DOI: 10.1002/adbi.202300199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/10/2023] [Indexed: 09/10/2023]
Abstract
Delaying kidney senescence process will benefit renal physiologic conditions, and prompt the kidney recovering from different pathological states. The renal anti-senescence effects of sodium-glucose cotransporter-2 inhibitors (SGLT2i) and metformin have been proven in diabetic settings, but the roles of each one and combination of two drugs in natural kidney aging process remain undefined and deserve further research. Senescence-accelerated mouse prone 8 (SAMP8) were orally administered dapagliflozin, metformin, and a combination of them for 16 weeks. Dapagliflozin exhibits better effects than metformin in lowering senescence related markers, and the combination therapy shows the best results. In vitro experiments demonstrate the same results that the combination of dapagliflozin and metformin can exert a better anti-senescence effect. Blood metabolites detection in vivo shows dapagliflozin mainly leads to the change of blood metabolites enriched in choline metabolism, and metformin tends to induce change of blood metabolites enriched in purine metabolism. In conclusion, the results suggest dapagliflozin may have a better renal anti-senescence effect than metformin in non-diabetes environment, and the combination of the two drugs can strengthen the effect. The two drugs can lead to different blood metabolites alteration, which may lead to different systemic effects.
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Affiliation(s)
- Lu Zeng
- Department of Critical Care Nephrology and Blood Purification, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Lei Chen
- Department of Critical Care Nephrology and Blood Purification, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Fanfan Gao
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Jie Li
- Department of Nephrology, Henan Provincial people's hospital, Henan, 450003, China
| | - Yangyang Song
- Department of Critical Care Nephrology and Blood Purification, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Limin Wei
- Department of Critical Care Nephrology and Blood Purification, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Ning Qu
- Department of Medical Examination, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Yan Li
- Department of Nephrology, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
| | - Hongli Jiang
- Department of Critical Care Nephrology and Blood Purification, the First Affiliated Hospital of Xi'an Jiaotong University, Shannxi, 710061, China
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Mancinetti F, Xenos D, De Fano M, Mazzieri A, Porcellati F, Boccardi V, Mecocci P. Diabetes-Alzheimer's connection in older age: SGLT2 inhibitors as promising modulators of disease pathways. Ageing Res Rev 2023; 90:102018. [PMID: 37481164 DOI: 10.1016/j.arr.2023.102018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/24/2023]
Abstract
Late-onset Alzheimer's disease (LOAD) is the most frequent cause of dementia in older persons. Subjects affected by type 2 diabetes mellitus (T2DM) are at higher risk of vascular disease, cognitive decline, and dementia. LOAD has many characteristics shared with impaired insulin signaling pathways, and substantial evidence has demonstrated a pivotal role in dysregulated glucose metabolism in its pathogenesis. Recent studies have shown that some anti-diabetic drugs, other than regulating the metabolism of peripheral tissues, can also modulate the brain's metabolism, reduce inflammation, and have a direct neuroprotective effect. Sodium-glucose cotransporter-2 inhibitors (SGLT2i) are a newer class with many pleiotropic effects that may have strong neuroprotective potential. After a summary of the principal "anti-diabetic" drugs acting as suitable candidates in treating LOAD, this narrative review explored the potential role of SGLT2i on cognition from pre-clinical to clinical studies.
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Affiliation(s)
- Francesca Mancinetti
- Institute of Gerontology and Geriatrics, Department of Medicine and Surgery, University of Perugia, Italy
| | - Dionysios Xenos
- Institute of Gerontology and Geriatrics, Department of Medicine and Surgery, University of Perugia, Italy
| | - Michelantonio De Fano
- Institute of Internal Medicine, Endocrinology and Metabolism, Department of Medicine and Surgery, University of Perugia, Italy
| | - Alessio Mazzieri
- Institute of Internal Medicine, Endocrinology and Metabolism, Department of Medicine and Surgery, University of Perugia, Italy
| | - Francesca Porcellati
- Institute of Internal Medicine, Endocrinology and Metabolism, Department of Medicine and Surgery, University of Perugia, Italy
| | - Virginia Boccardi
- Institute of Gerontology and Geriatrics, Department of Medicine and Surgery, University of Perugia, Italy.
| | - Patrizia Mecocci
- Institute of Gerontology and Geriatrics, Department of Medicine and Surgery, University of Perugia, Italy; Division of Clinical Geriatrics, NVS Department, Karolinska Institutet, Stockholm, Sweden
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Scheen AJ, Bonnet F. Efficacy and safety profile of SGLT2 inhibitors in the elderly: How is the benefit/risk balance? DIABETES & METABOLISM 2023; 49:101419. [PMID: 36640828 DOI: 10.1016/j.diabet.2023.101419] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/13/2023]
Abstract
Type 2 diabetes mellitus (T2DM) is a highly prevalent health condition in the aging population. Older adults with T2DM have higher risks of cardiovascular disease, heart failure (long underestimated) and premature death than those without diabetes. Sodium-glucose cotransporter 2 inhibitors (SGLT2is) have proven their ability to improve cardiovascular prognosis and reduce the risk of hospitalization for heart failure (hHF). However, several adverse events have been reported, whose incidence and severity might be increased in the elderly population. The aims of this comprehensive review were to analyze the benefit-risk ratio of SGLT2i therapy in older patients with T2DM by collecting data from (i) large prospective placebo-controlled cardiovascular outcome trials (including those dedicated to heart failure), using both original publications and dedicated post-hoc analyses across different age groups and (ii) observational cohort studies, describing the effects of SGLT2is versus other glucose-lowering agents on cardiovascular outcomes and hHF in elderly patients or these effects in different age groups. Overall, consistent results showed a similar relative risk reduction in cardiovascular mortality and hHF with SGLT2is independently of age. The absolute risk reduction may be greater in elderly because of a higher background risk in older versus younger patients. Similarly, the safety profile of SGLT2is appeared comparable in older versus younger patients. In conclusion, the benefit/risk balance favors the use of SGLT2is in older patients at risk of cardiovascular disease and/or heart failure. Caution may be required in very old frail patients, especially those exposed to an increased risk of volume depletion.
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Affiliation(s)
- André J Scheen
- Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, CHU, Liege, Belgium; Division of Clinical Pharmacology, Centre for Interdisciplinary Research on Medicines (CIRM), Liège University, Liege, Belgium.
| | - Fabrice Bonnet
- Centre Hospitalier Universitaire de Rennes, Université ́ Rennes 1, Rennes, France; INSERM U1018, Villejuif, France
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Huang J, Huang N, Cui D, Shi J, Qiu Y. Clinical antidiabetic medication used in Alzheimer's disease: From basic discovery to therapeutics development. Front Aging Neurosci 2023; 15:1122300. [PMID: 36845652 PMCID: PMC9950577 DOI: 10.3389/fnagi.2023.1122300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/30/2023] [Indexed: 02/12/2023] Open
Abstract
Alzheimer's disease (AD) is a common neurodegenerative disease. Type 2 diabetes mellitus (T2DM) appears to increase and contributing to the risk of AD. Therefore, there is increasing concern about clinical antidiabetic medication used in AD. Most of them show some potential in basic research, but not in clinical research. So we reviewed the opportunities and challenges faced by some antidiabetic medication used in AD from basic to clinical research. Based on existing research progress, this is still the hope of some patients with special types of AD caused by rising blood glucose or/and insulin resistance.
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Affiliation(s)
- Juan Huang
- Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China,Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China,School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Nanqu Huang
- The Third Affiliated Hospital of Zunyi Medical University (The First People’s Hospital of Zunyi), Zunyi, Guizhou, China
| | - Di Cui
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Jingshan Shi
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China,Jingshan Shi,
| | - Yu Qiu
- Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China,*Correspondence: Yu Qiu,
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Dao L, Choi S, Freeby M. Type 2 diabetes mellitus and cognitive function: understanding the connections. Curr Opin Endocrinol Diabetes Obes 2023; 30:7-13. [PMID: 36385094 DOI: 10.1097/med.0000000000000783] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE OF REVIEW To review the connection between type 2 diabetes and cognitive dysfunction, including its epidemiology, potential mechanisms of pathophysiology, risk factors, possible prevention, and treatment considerations. RECENT FINDINGS Diabetes is a risk factor for mild cognitive decline, in addition to Alzheimer's disease and vascular dementia. Duration of diabetes, concomitant vascular or associated co-morbidities, hyper- and hypoglycemia may lead to worsening cognitive dysfunction. Unfortunately, there is a lack of evidence-based guidance on the prevention of cognitive dysfunction in the diabetes population. Studies of diabetes medications, including metformin, glucagon-like peptide-1 (GLP-1) receptor agonists, and sodium-glucose cotransporter-2 inhibitors (SGLT2) have shown some benefit with cardiovascular morbidity and may affect cognition. In the absence of clearly defined preventive tools, diabetes practice guidelines recommend annual cognitive screening as standard of care in adults with diabetes aged 65 years or older. SUMMARY People living with diabetes are at risk for significant decline in cognitive function. Epidemiology and risk factors are well defined. Prevention and treatment strategies are limited and require further study.
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Affiliation(s)
- Lisa Dao
- Division of Endocrinology, Diabetes and Metabolism, David Geffen School of Medicine UCLA
| | - Sarah Choi
- UCLA School of Nursing, Los Angeles, California, USA
| | - Matthew Freeby
- Division of Endocrinology, Diabetes and Metabolism, David Geffen School of Medicine UCLA
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Wu CY, Iskander C, Wang C, Xiong LY, Shah BR, Edwards JD, Kapral MK, Herrmann N, Lanctôt KL, Masellis M, Swartz RH, Cogo-Moreira H, MacIntosh BJ, Rabin JS, Black SE, Saskin R, Swardfager W. Association of Sodium-Glucose Cotransporter 2 Inhibitors With Time to Dementia: A Population-Based Cohort Study. Diabetes Care 2023; 46:297-304. [PMID: 36508692 DOI: 10.2337/dc22-1705] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/31/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Type 2 diabetes (T2D) increases dementia risk, but clear evidence to recommend interventions that can mitigate that risk remains lacking. This population-based retrospective cohort study aimed to determine whether new use of sodium-glucose cotransporter 2 (SGLT2) inhibitors compared with dipeptidyl peptidase 4 (DPP-4) inhibitors was associated with lower dementia risk. RESEARCH DESIGN AND METHODS Ontario residents aged ≥66 years who were new users of an SGLT2 inhibitor or a DPP-4 inhibitor from 1 July 2016 to 31 March 2021 entered the cohort. Incident dementia was identified using a validated algorithm for Alzheimer's disease and related dementias. Propensity score-weighted Cox proportional hazards models were used to obtain adjusted hazard ratios (aHR) and CIs for time to incident dementia. To address reverse causality and disease latency, the observation window started at 1-year lag time from cohort entry. The primary analysis followed intention-to-treat exposure definition, and a secondary as-treated analysis was performed. RESULTS Among 106,903 individuals, SGLT2 inhibitors compared with DPP-4 inhibitors were associated with lower risk of dementia (14.2/1,000 person-years; aHR 0.80 [95% CI 0.71-0.89]) over a mean follow-up of 2.80 years from cohort entry. When stratified by different SGLT2 inhibitors, dapagliflozin exhibited the lowest risk (aHR 0.67 [95% CI 0.53-0.84]), followed by empagliflozin (aHR 0.78 [95% CI 0.69-0.89]), whereas canagliflozin showed no association (aHR 0.96 [95% CI 0.80-1.16]). The as-treated analysis observed a larger association (aHR 0.66 [95% CI 0.57-0.76]) than the intention-to-treat analysis. CONCLUSIONS SGLT2 inhibitors showed an association with lower dementia risk in older people with T2D. Randomized controlled trials are warranted.
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Affiliation(s)
- Che-Yuan Wu
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | | | | | - Lisa Y Xiong
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Baiju R Shah
- ICES, Toronto, Ontario, Canada
- Divisions of Endocrinology and Obstetric Medicine, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Jodi D Edwards
- University of Ottawa Heart Institute, University of Ottawa, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
- ICES, Ottawa, Ontario, Canada
| | - Moira K Kapral
- ICES, Toronto, Ontario, Canada
- Institute for Health Policy, Management, and Evaluation, University of Toronto, Toronto, Ontario, Canada
- Division of General Internal Medicine, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Nathan Herrmann
- Department of Psychiatry, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Krista L Lanctôt
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Psychiatry, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
- KITE University Health Network Toronto Rehabilitation Institute, Toronto, Ontario, Canada
- Toronto Dementia Research Alliance, Toronto, Ontario, Canada
| | - Mario Masellis
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | - Richard H Swartz
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- ICES, Toronto, Ontario, Canada
- Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | - Hugo Cogo-Moreira
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Faculty of Education, ICT, and Learning, Østfold University College, Halden, Norway
| | - Bradley J MacIntosh
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Computational Radiology & Artificial Intelligence, Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Jennifer S Rabin
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
- Harquail Centre for Neuromodulation, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
| | - Sandra E Black
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Toronto Dementia Research Alliance, Toronto, Ontario, Canada
- Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | | | - Walter Swardfager
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Dr. Sandra Black Centre for Brain Resilience and Recovery, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada
- KITE University Health Network Toronto Rehabilitation Institute, Toronto, Ontario, Canada
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12
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Wang M, Guan X, Yan J, Michael N, Liu X, Tan R, Lv X, Yan F, Cao Y. Perceptions and responses to cognitive decline in people with diabetes: A systematic review of qualitative studies. Front Public Health 2023; 11:1076030. [PMID: 36875353 PMCID: PMC9981946 DOI: 10.3389/fpubh.2023.1076030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/31/2023] [Indexed: 02/19/2023] Open
Abstract
Objective We aimed at summarizing the perceptions and responses to cognitive decline, assessing the disease management, identifying deficiencies and proposing new strategies for improvement in people with diabetes (PWDs). Methods A comprehensive search was performed in the following nine databases: PubMed, EMBASE, Web of Science, The Cochrane Library, PsycINFO, CINAHL, WanFang, CNKI, and VIP. The Joanna Briggs Institute (JBI) Critical Appraisal Tool for qualitative research was utilized to evaluate the quality of included studies. Descriptive texts and quotations relating to patient experience were extracted from the included studies and thematically analyzed. Results Eight qualitative studies met the inclusion criteria and 2 overarching themes were identified: (1) self-perception of cognitive decline referred to perceived cognitive symptoms, lack of knowledge and, impaired self-management and coping in multiple methods; (2) reported benefits of cognitive interventions referred to how cognitive interventions improved disease management, attitudes and needs of PWDs. Conclusion PWDs described misconceptions about their cognitive decline and suffered from them during disease management. This study provides a patient-specific reference for cognitive screening and intervention in PWDs, supporting disease management with cognitive decline in clinical practice.
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Affiliation(s)
- Meijuan Wang
- School of Nursing and Rehabilitation, Shandong University, Jinan, China
| | - Xiangyun Guan
- Department of International Medical Department, Qilu Hospital of Shandong University, Jinan, China
| | - Jingzheng Yan
- School of Nursing and Rehabilitation, Shandong University, Jinan, China
| | - Nyagwaswa Michael
- School of Nursing and Rehabilitation, Shandong University, Jinan, China
| | - Xueyan Liu
- School of Nursing and Rehabilitation, Shandong University, Jinan, China
| | - Ran Tan
- Department of Breast Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Xiaoyan Lv
- Department of International Medical Department, Qilu Hospital of Shandong University, Jinan, China
| | - Fei Yan
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
| | - Yingjuan Cao
- School of Nursing and Rehabilitation, Shandong University, Jinan, China.,Department of Nursing, Qilu Hospital of Shandong University, Jinan, China.,Nursing Theory and Practice Innovation Research Center, Shandong University, Jinan, China
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13
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Lee K, Chen J, Wang C. Association between diabetes mellitus and post-stroke cognitive impairment. J Diabetes Investig 2022; 14:6-11. [PMID: 36181402 PMCID: PMC9807143 DOI: 10.1111/jdi.13914] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/29/2022] [Accepted: 09/07/2022] [Indexed: 01/07/2023] Open
Abstract
Stroke survivors suffer from various physical, emotional, and cognitive impairments. These changes are dynamic and depend on multiple factors, including underlying diseases, baseline brain function and pathology, the site of the stroke and the post-stroke inflammation, neurogenesis as well as the subsequent remodeling of the neuro-network. First we review the structural and pathological changes of the brain in stroke survivors with diabetes mellitus, which may lead to post-stroke cognitive dysfunction. Second, we provide evidence of hyperglycemia, diabetes mellitus, hypoglycemia, and their relationship with post-stroke cognitive impairment (PSCI) and post-stroke dementia (PSD). In addition to conventional biomarkers, such as HbA1c, we also provide other novel tools to predict PSCI/PSD, such as glycemic variability, receptor for advanced glycation end products, and gut microbiota. Finally, we attempt to provide some modifying methods for glycemic control, focusing on the prevention of PSCI/PSD.
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Affiliation(s)
- Kang‐Po Lee
- College of MedicineI‐Shou UniversityKaohsiungTaiwan,Stroke Center and Department of NeurologyE‐Da HospitalKaohsiungTaiwan
| | | | - Chih‐Yuan Wang
- Division of Endocrinology and Metabolism, Department of Internal MedicineCollege of Medicine, National Taiwan University Hospital, National Taiwan UniversityTaipeiTaiwan
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