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Drugs on Dementia

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https://www.readbyqxmd.com/read/28625940/prodromal-stage-of-disease-dementia-with-lewy-bodies-how-to-diagnose-in-practice
#1
Frédéric Blanc, Marc Verny
Disease with Lewy bodies or dementia with Lewy bodies (DLB), particularly at the prodromal stage, is a complex disease to diagnose because of different clinical beginnings and variable paths in terms of clinical expression. Thus DLB can be entcountered in different input modes: mild cognitive impairment, depression, acute behavioral disorders, confusion and delirium, or sleep disorders. In the aim to better diagnose the disease, should be sought obviously to search for the key symptoms: fluctuations, hallucinations, extra-pyramidal syndrome, and REM sleep behavior disorder...
June 1, 2017: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/28622212/a-retrospective-study-of-pimavanserin-use-in-a-movement-disorders-clinic
#2
Joseph H Friedman
Pimavanserin, a 5-HT2A inverse agonist, was commercially released in the United States in April 2016 for the treatment of Parkinson disease psychosis. No "naturalistic" treatment results have yet been published. Charts from the movement disorders clinic were reviewed for all patients who received this drug as treatment for psychosis associated with primary parkinsonism due to α-synucleinopathies. Data of 10 patients with idiopathic Parkinson disease, including 1 with a long history of schizophrenia, 4 with dementia with Lewy bodies, and 1 with multiple-system atrophy, were reviewed...
June 16, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28613396/evaluation-of-acetylcholinesterase-and-carbonic-anhydrase-inhibition-profiles-of-1-2-3-4-6-pentasubstituted-4-hydroxy-cyclohexanes
#3
Umit M Kocyigit, Parham Taslimi, Hayreddin Gezegen, İlhami Gulçin, Mustafa Ceylan
Carbonic anhydrase (CA; EC 4.2.1.1) is used for remedial purposes for several years, as there is significant focus on expanding more new activators (CAAs) and high affinity inhibitors. Alzheimer's disease and other similar ailments such as dementia and vascular dementia with Lewy bodies reduce cholinergic activity in the important areas involved in cognition and memory. Prevalent drugs for the symptomatic therapy of dementia are significant in increasing the associated cholinergic deficiency by inhibiting acetylcholinesterase (AChE)...
June 14, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28611661/discovery-and-development-of-calcium-channel-blockers
#4
REVIEW
Théophile Godfraind
In the mid 1960s, experimental work on molecules under screening as coronary dilators allowed the discovery of the mechanism of calcium entry blockade by drugs later named calcium channel blockers. This paper summarizes scientific research on these small molecules interacting directly with L-type voltage-operated calcium channels. It also reports on experimental approaches translated into understanding of their therapeutic actions. The importance of calcium in muscle contraction was discovered by Sidney Ringer who reported this fact in 1883...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28606049/the-blood-brain-barrier-and-its-role-in-alzheimer-s-therapy-an-overview
#5
Satya Lavanya Jakki, V Senthil, Venkata Ramesh Yasam, Mjn Chandrasekar, C Vijayaraghavan
Alzheimer`s disease (AD) is the most frequent age related neurodegenerative disorder. It represents 70% of all dementia. Millions of people have been affected by AD worldwide. It is a complex illness characterized pathologically by accumulation of protein aggregates of amyloid and neurofibrillary tangles containing hyperphosphorylated neuronal tau protein. AD requires drugs that can circumvent the blood-brain barrier (BBB) which is not a simple physical barrier between blood and brain, but acts as an iron curtain, allowing only selective molecules to enter the brain...
June 12, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28603494/yxqn-reduces-alzheimer-s-disease-like-pathology-and-cognitive-decline-in-appsweps1de9-transgenic-mice
#6
Xiaowan Wang, Runmin Song, Wenliang Lu, Ziyu Liu, Lichun Wang, Xiaojuan Zhu, Yanjun Liu, Zijie Sun, Jiang Li, Xiaomeng Li
Alzheimer's disease (AD) is the world's most common form of dementia, in which aggregation of amyloid-β (Aβ) is the hallmark. Unfortunately, few medicines have succeeded to completely cure AD. Yangxue Qingnao (YXQN) is a Chinese traditional medicine, and its pharmacological effect is improving cerebral blood flow. In this study, we firstly demonstrated that YXQN reduced AD-like pathology and cognitive impairment in APPswePS1dE9 (APP/PS1) mice with 2 months administration. Our data showed that YXQN substantially ameliorated behavioral defects in 10-month old APP/PS1 mice using Morris Water Maze and Y-maze tests, in which the cognitive ability of YXQN high-dose group approaches to wild type mice...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28597477/effective-expression-of-drebrin-in-hippocampus-improves-cognitive-function-and-alleviates-lesions-of-alzheimer-s-disease-in-app-swe-ps1-%C3%AE-e9-mice
#7
Yan Liu, Yan-Feng Xu, Ling Zhang, Lan Huang, Pin Yu, Hua Zhu, Wei Deng, Chuan Qin
AIMS: Alzheimer's disease (AD), a progressive development dementia, is increasingly impacting patients' living conditions worldwide. Despite medical care and funding support, there are still no highly individualized drugs and practical strategies for clinical prevention and treatment. Developmentally regulated brain protein (abbreviated as Drebrin or Dbn, also known as Dbn1 in mouse) exists in neurons, especially in dendrites, and is an actin-binding protein that modulates synaptic morphology and long-term memory...
July 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28595682/wandering-unearthing-new-tracking-devices
#8
Leah Mangini, Jeannette Y Wick
Wandering away from home or facilities is dangerous for patients with dementia and stressful for families and caregivers when those who go missing cannot be located. Up to 60% of Alzheimer's disease patients wander, and up to 50% of those who are not found within 24 hours face serious injury or death. Currently, no effective drug therapies exist to abate wandering, which has multiple causes, but emerging technologies offer a promise of comfort in being able to easily locate a missing loved one. As of 2012, 41 states had enacted Silver Alert programs that broadcast information about missing, vulnerable adults...
June 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28594237/description-of-general-practitioners-practices-when-suspecting-cognitive-impairment-recourse-to-care-in-dementia-recaredem-study
#9
Magali Gonzalez-Colaço Harmand, Céline Meillon, Laetitia Rullier, Oladédji Bachirou Taddé, Clément Pimouguet, Jean-François Dartigues, Valérie Bergua, Hélène Amieva
OBJECTIVE: General practitioners (GPs) play a major role in the assessment of dementia but it is still unrecognized in primary care and its management is heterogeneous. Our objective is to describe the usual practices, and their determinants, of French GPs in this field. METHODS: GPs' characteristics and practices when facing cognitive decline were collected through a telephone interview and a postal questionnaire. A descriptive analysis of all study variables was conducted...
June 8, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28593105/photobiomodulation-with-near-infrared-light-helmet-in-a-pilot-placebo-controlled-clinical-trial-in-dementia-patients-testing-memory-and-cognition
#10
Marvin H Berman, James P Halper, Trent W Nichols, H Jarrett, Alan Lundy, Jason H Huang
Alzheimer's disease (AD) is a common, chronic expensive debilitating neurodegenerative disease with no current treatments to prevent the physical deterioration of the brain and the consequent cognitive deficits. The current pathophysiology of Alzheimer's disease is the accumulation of neurofibrillary tangles (NFTs) of hyperphosphorylated tau protein and amyloid-beta (Aβ) plaques. Antibody therapy of Tau and Amyloid beta, vaccines and other methods to decrease Tau and or Amyloid have not been successful after considerable pharmaceutical and biotech efforts...
2017: Journal of neurology and neuroscience
https://www.readbyqxmd.com/read/28592351/actual-expense-associated-with-patients-with-alzheimer-s-disease-in-colombia
#11
Sergio I Prada, Yuri Takeuchi, Angela M Merchán-Galvis, Yoseth Ariza-Araújo
BACKGROUND: There is paucity in the level of knowledge on the actual insurer expenses associated with patients suffering with dementia in the developing world. Less is known about direct costs by severity and how costs vary because of the presence of other comorbidities. METHODS: Using claims data from an insurer for three years, we identified patients with AD with an algorithm that takes advantage of information on age, primary diagnosis, and services and drugs provided...
June 8, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28579476/modeling-neurodegenerative-diseases-with-patient-derived-induced-pluripotent-cells-possibilities-and-challenges
#12
REVIEW
Anna Poon, Yu Zhang, Abinaya Chandrasekaran, Phetcharat Phanthong, Benjamin Schmid, Troels T Nielsen, Kristine K Freude
The rising prevalence of progressive neurodegenerative diseases coupled with increasing longevity poses an economic burden at individual and societal levels. There is currently no effective cure for the majority of neurodegenerative diseases and disease-affected tissues from patients have been difficult to obtain for research and drug discovery in pre-clinical settings. While the use of animal models has contributed invaluable mechanistic insights and potential therapeutic targets, the translational value of animal models could be further enhanced when combined with in vitro models derived from patient-specific induced pluripotent stem cells (iPSCs) and isogenic controls generated using CRISPR-Cas9 mediated genome editing...
June 2, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28575866/catalpol-protects-synaptic-proteins-from-beta-amyloid-induced-neuron-injury-and-improves-cognitive-functions-in-aged-rats
#13
Zhiming Xia, Fengfei Wang, Shuang Zhou, Rui Zhang, Fushun Wang, Jason H Huang, Erxi Wu, Yongfang Zhang, Yaer Hu
Synapse loss is one of the common factors contributing to cognitive disorders, such as Alzheimer's disease (AD), which is manifested by the impairment of basic cognitive functions including memory processing, perception, problem solving, and language. The current therapies for patients with cognitive disorders are mainly palliative; thus, regimens preventing and/or delaying dementia progression are urgently needed. In this study, we evaluated the effects of catalpol, isolated from traditional Chinese medicine Rehmannia glutinosa, on synaptic plasticity in aged rat models...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28571548/intermittent-transient-motor-aphasia-in-acute-lithium-toxicity-a-case-report-and-brief-review
#14
S Madhusoodanan, Varudhini Reddy, Sonya Mohan
INTRODUCTION: Lithium is known to cause certain neurological deficits. However, reports of aphasia secondary to lithium toxicity are scant. We report the case of a 70 year old African American woman with a history of schizoaffective disorder and mild dementia who developed transient intermittent aphasia secondary to lithium toxicity. METHODS: Patient was admitted because of agitation, delusional behavior, and loud and pressured speech. Her previous medications included divalproex sodium 500mg po bid, valproic acid 250mg po qd, risperidone 3...
May 31, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28560150/amyloid-positron-emission-tomography-in-sporadic-cerebral-amyloid-angiopathy-a-systematic-critical-update
#15
REVIEW
Karim Farid, Andreas Charidimou, Jean-Claude Baron
Sporadic cerebral amyloid angiopathy (CAA) is a very common small vessel disease of the brain, showing preferential and progressive amyloid-βdeposition in the wall of small arterioles and capillaries of the leptomeninges and cerebral cortex. CAA now encompasses not only a specific cerebrovascular pathological trait, but also different clinical syndromes - including spontaneous lobar intracerebral haemorrhage (ICH), dementia and 'amyloid spells' - an expanding spectrum of brain parenchymal MRI lesions and a set of diagnostic criteria - the Boston criteria, which have resulted in increasingly detecting CAA during life...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28554324/multi-target-directed-ligands-affecting-serotonergic-neurotransmission-for-alzheimer-s-disease-therapy-advances-in-chemical-and-biological-research
#16
Agnieszka Jankowska, Anna Wesołowska, Maciej Pawłowski, Grażyna Chłoń-Rzepa
Alzheimer's disease (AD) is an age-related neurodegenerative disorder characterized by a progressive cognitive impairments and chronic inflammation that affects over 30 million people all over the world. Most of Alzheimer's patients also suffer from psychosis, aggression, agitation, depression, anxiety, and many other behavioral and psychological symptoms of dementia. Unfortunately, currently available anti-AD drugs provide modest symptomatic relief, and do not reverse the neurodegeneration. Consequently, the average life expectancy after diagnosis is between six to ten years...
May 29, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28553224/docking-studies-and-biological-evaluation-of-a-potential-%C3%AE-secretase-inhibitor-of-3-hydroxyhericenone-f-from-hericium-erinaceus
#17
Chen Diling, Yong Tianqiao, Yang Jian, Zheng Chaoqun, Shuai Ou, Xie Yizhen
Alzheimer's disease (AD) is the most common neurodegenerative disorder, affecting approximately more than 5% of the population worldwide over the age 65, annually. The incidence of AD is expected to be higher in the next 10 years. AD patients experience poor prognosis and as a consequence new drugs and therapeutic strategies are required in order to improve the clinical responses and outcomes of AD. The purpose of the present study was to screen a certain number of potential compounds from herbal sources and investigate their corresponding mode of action...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28553090/anti-amyloid-aggregation-activity-of-novel-carotenoids-implications-for-alzheimer-s-drug-discovery
#18
Johant Lakey-Beitia, Deborah Doens, D Jagadeesh Kumar, Enrique Murillo, Patricia L Fernandez, K S Rao, Armando A Durant-Archibold
Alzheimer's disease (AD) is the leading cause of dementia, affecting approximately 33.5 million people worldwide. Aging is the main risk factor associated with AD. Drug discovery based on nutraceutical molecules for prevention and treatment of AD is a growing topic. In this sense, carotenoids are phytochemicals present mainly in fruits and vegetables with reported benefits for human health. In this research, the anti-amyloidogenic activity of three carotenoids, cryptocapsin, cryptocapsin-5,6-epoxide, and zeaxanthin, was assessed...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28550260/living-alone-with-alzheimer-s-disease-data-from-svedem-the-swedish-dementia-registry
#19
Pavla Cermakova, Maja Nelson, Juraj Secnik, Sara Garcia-Ptacek, Kristina Johnell, Johan Fastbom, Lena Kilander, Bengt Winblad, Maria Eriksdotter, Dorota Religa
BACKGROUND: Many people with Alzheimer's disease (AD) live alone in their own homes. There is a lack of knowledge about whether these individuals receive the same quality of diagnostics and treatment for AD as patients who are cohabiting. OBJECTIVES: To investigate the diagnostic work-up and treatment of community-dwelling AD patients who live alone. METHODS: We performed a cross-sectional cohort study based on data from the Swedish Dementia Registry (SveDem)...
May 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28540648/impact-of-2015-update-to-the-beers-criteria-on-estimates-of-prevalence-and-costs-associated-with-potentially-inappropriate-use-of-antimuscarinics-for-overactive-bladder
#20
Brandon T Suehs, Cralen Davis, Daniel B Ng, Katherine Gooch
BACKGROUND: Research has demonstrated that the use of potentially inappropriate medication (PIM) is highly prevalent among older individuals and may lead to increased healthcare costs, adverse drug reactions, hospitalizations, and mortality. OBJECTIVES: The purpose of this study was to examine the impact of the 2015 updates to the Beers Criteria on estimates of prevalence and cost associated with potentially inappropriate use of antimuscarinic medications indicated for treatment of overactive bladder (OAB)...
May 24, 2017: Drugs & Aging
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