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Parkinsons Disease Therapeutics
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Book Synopsis Levodopa pharmacokinetics -from stomach to brain by : Maria Nord
Download or read book Levodopa pharmacokinetics -from stomach to brain written by Maria Nord and published by Linköping University Electronic Press. This book was released on 2019-01-07 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Parkinson’s disease (PD) is one of the most common neurodegenerative disorders and it is caused by a loss of dopamine (DA) producing neurons in the basal ganglia in the brain. The PD patient suffers from motor symptoms such as tremor, bradykinesia and rigidity and treatment with levodopa (LD), the precursor of DA, has positive effects on these symptoms. Several factors affect the availability of orally given LD. Gastric emptying (GE) is one factor and it has been shown to be delayed in PD patients resulting in impaired levodopa uptake. Different enzymes metabolize LD on its way from the gut to the brain resulting in less LD available in the brain and more side effects from the metabolites. By adding dopa decarboxylase inhibitors (carbidopa or benserazide) or COMT-inhibitors (e.g. entacapone) the bioavailability of LD increases significantly and more LD can pass the blood-brain-barrier and be converted to DA in the brain. It has been considered of importance to avoid high levodopa peaks in the brain because this seems to induce changes in postsynaptic dopaminergic neurons causing disabling motor complications in PD patients. More continuously given LD, e.g. duodenal or intravenous (IV) infusions, has been shown to improve these motor complications. Deep brain stimulation of the subthalamic nucleus (STN DBS) has also been proven to improve motor complications and to make it possible to reduce the LD dosage in PD patients. In this doctoral thesis the main purpose is to study the pharmacokinetics of LD in patients with PD and motor complications; in blood and subcutaneous tissue and study the effect of GE and PD stage on LD uptake and the effect of continuously given LD (CDS) on LD uptake and GE; in blood and cerebrospinal fluid (CSF) when adding the peripheral enzyme inhibitors entacapone and carbidopa to LD infusion IV; in brain during STN DBSand during oral or IV LD treatment. To conclude, LD uptake is more favorable in PD patients with less severe disease and GE is delayed in PD patients. No obvious relation between LD uptake and GE or between GE and PD stage is seen and CDS decreases the LD levels. Entacapone increases the maximal concentration of LD in blood and CSF. This is more evident with additional carbidopa and important to consider in avoiding high LD peaks in brain during PD treatment. LD in brain increases during both oral and IV LD treatment and the DA levels follows LD well indicating that PD patients still have capacity to metabolize LD to DA despite probable pronounced nigral degeneration. STN DBS seems to increase putaminal DA levels and together with IV LD treatment also increases LD in brain possibly explaining why it is possible to decrease LD medication after STN DBS surgery. Parkinsons sjukdom (PS) är en av de vanligaste s.k. neurodegenerativasjukdomarna och orsakas av förlust av dopamin(DA)producerande nervceller i hjärnan. Detta orsakar motoriska symptom såsom skakningar, stelhet och förlångsammade rörelser. Levodopa (LD) är ett ämne, som kan omvandlas till DA i hjärnan och ge symptomlindring och det är oftast förstahandsval vid behandling av patienter med PS. Flera faktorer påverkar tillgängligheten av LD, bl.a. den hastighet som magsäcken tömmer sig med och denna verkar förlångsammad hos personer med PS vilket ger sämre tillgänglighet av LD i blodet och därmed i hjärnan. LD bryts även ner i hög grad av olika enzym ute i kroppen vilket leder till mindre mängd LD som hamnar i hjärnan och till fler nedbrytningsprodukter som orsakar biverkningar. Tillägg av enzymhämmare leder till ökad mängd LD som kan nå hjärnan och omvandlas till DA. Det anses viktigt att undvika höga toppar av LD i hjärnan då dessa verkar bidra till utvecklandet av besvärliga motoriska komplikationer hos patienter med PS. Om LD ges mer kontinuerligt, exempelvis som en kontinuerlig infusion in i tarmen eller i blodet, så minskar dessa motoriska komplikationer. Inopererande av stimulatorer i vissa delar av hjärnan (DBS) har också visat sig minska dessa motoriska komplikationer och även resultera i att man kan minska LD-dosen. Huvudsyftet med den här avhandlingen är att studera LD hos patienter med PS; i blod och fettvävnad då LD ges i tablettform och se om det finns något samband med LD-upptag och hastigheten på magsäckstömningen (MT) och om kontinuerligt given LD påverkar LD-upptaget eller MT; i blod och i ryggmärgsvätska då enzymhämmarna entakapon och karbidopa tillsätts LD; i hjärna vid behandling med DBS och då LD ges både som tablett och som infusion i blodet. Sammanfattningsvis kan vi se att LD-upptaget är mer gynnsamt hos patienter med PS i tidigare skede av sjukdomens komplikationsfas. MT är förlångsammad hos patienter med PS och det är inget tydligt samband mellan LD-upptag och MT eller mellan MT och sjukdomsgrad. Kontinuerligt given LD minskar LDnivåerna. Enzymhämmaren entakapon ökar den maximala koncentrationen av LD i blod och ryggmärgsvätska och effekten är mer tydlig vid tillägg av karbidopa vilket är viktigt att ta i beaktande vid behandling av PS för att undvika höga toppar av LD i hjärnan. LD ökar i hjärnan då man behandlar med LD i tablettform och som infusion i blodet och DA-nivåerna i hjärnan följer LD väl vilket visar på att patienter med PS fortfarande kan omvandla LD till DA trots trolig uttalad brist av de DA-producerande nervcellerna i hjärnan. DBS verkar öka DA i vissa områden i hjärnan och tillsammans med LD-infusion i blodet verkar det även öka LD i hjärnan och det kan förklara varför man kan sänka LDdosen efter DBS-operation.
Book Synopsis Parkinson's Disease: Current and Future Therapeutics and Clinical Trials by : Néstor Gálvez-Jiménez
Download or read book Parkinson's Disease: Current and Future Therapeutics and Clinical Trials written by Néstor Gálvez-Jiménez and published by Cambridge University Press. This book was released on 2016-03-24 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book emphasizes treatment options for Parkinson's disease, providing the necessary clinical and scientific basis for the foundations of solid therapeutics.
Book Synopsis Etiology of Parkinson's Disease by : Jonas H. Ellenberg
Download or read book Etiology of Parkinson's Disease written by Jonas H. Ellenberg and published by CRC Press. This book was released on 1995-03-01 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference provides a detailed overview of current concepts regarding the cause of Parkinson's disease-emphasizing the issues involved in the design, implementation, and analysis of epidemiological studies of parkinsonism.
Book Synopsis Ending Parkinson's Disease by : Ray Dorsey
Download or read book Ending Parkinson's Disease written by Ray Dorsey and published by PublicAffairs. This book was released on 2020-03-17 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this "must-read" guide (Lonnie Ali), four leading doctors and advocates offer a bold action plan to prevent, care for, and treat Parkinson's disease-one of the great health challenges of our time. Brain diseases are now the world's leading source of disability. The fastest growing of these is Parkinson's: the number of impacted patients has doubled to more than six million over the last twenty-five years and is projected to double again by 2040. Harmful pesticides that increase the risk of Parkinson's continue to proliferate, many people remain undiagnosed and untreated, research funding stagnates, and the most effective treatment is now a half century old. In Ending Parkinson's Disease, four top experts provide a plan to help prevent Parkinson's, improve care and treatment, and end the silence associated with this devastating disease.
Book Synopsis Parkinson's Treatment by : Michael S. Okun
Download or read book Parkinson's Treatment written by Michael S. Okun and published by Createspace Independent Publishing Platform. This book was released on 2013-03-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addresses all of the new and emerging Parkinson's disease therapies (stem cells, gene therapy, optogenetics, etc.).
Author :National Collaborating Centre for Chronic Conditions (Great Britain) Publisher :Royal College of Physicians ISBN 13 :1860162835 Total Pages :243 pages Book Rating :4.8/5 (61 download)
Book Synopsis Parkinson's Disease by : National Collaborating Centre for Chronic Conditions (Great Britain)
Download or read book Parkinson's Disease written by National Collaborating Centre for Chronic Conditions (Great Britain) and published by Royal College of Physicians. This book was released on 2006 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Essay on the Shaking Palsy by : James Parkinson
Download or read book An Essay on the Shaking Palsy written by James Parkinson and published by . This book was released on 1817 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Parkinson's Disease by : William J. Weiner
Download or read book Parkinson's Disease written by William J. Weiner and published by JHU Press. This book was released on 2006-11-13 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent innovations, including deep brain stimulation and new medications, have significantly improved the lives of people with Parkinson’s disease. Nevertheless, medical, emotional, and physical challenges remain. The second edition of this accessible and comprehensive guide provides crucial information for managing this complex condition, including details on the use of medications, diet, exercise, complementary therapies, and surgery. The second edition includes new information about: • The genetic and hereditary pattern of the disease • Medications and uses of established medications • Other approaches to treating the symptoms of Parkinson’s • Juvenile-onset Parkinson’s disease • Normal pressure hydrocephalus • The effects of fluctuating hormones on disease symptoms • Fetal cell transplants and porcine cell transplants • The nutritional supplement Co-Enzyme Q10
Book Synopsis Handbook of Parkinson's Disease, Fifth Edition by : Rajesh Pahwa
Download or read book Handbook of Parkinson's Disease, Fifth Edition written by Rajesh Pahwa and published by CRC Press. This book was released on 2013-05-09 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highly Commended, BMA Medical Book Awards 2014 This volume has long prevailed as one of the leading resources on Parkinson's disease (PD). Fully updated with practical and engaging chapters on pathology, neurochemistry, etiology, and breakthrough research, this source spans every essential topic related to the identification, assessment, and treatment of PD. Reflecting the many advances that have taken place in the management of PD, this volume promotes a multidisciplinary approach to care and supplies new sections on the latest pharmacologic, surgical, and rehabilitative therapies, as well as essential diagnostic, imaging, and nonmotor management strategies. New to this edition: • Early identification of premotor symptoms • Potential disease modification agents • Physical and occupational therapy
Book Synopsis Principles and Practice of Movement Disorders E-Book by : Joseph Jankovic
Download or read book Principles and Practice of Movement Disorders E-Book written by Joseph Jankovic and published by Elsevier Health Sciences. This book was released on 2011-08-09 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles and Practice of Movement Disorders provides the complete, expert guidance you need to diagnose and manage these challenging conditions. Drs. Stanley Fahn, Joseph Jankovic and Mark Hallett explore all facets of these disorders, including the latest rating scales for clinical research, neurochemistry, clinical pharmacology, genetics, clinical trials, and experimental therapeutics. This edition features many new full-color images, additional coverage of pediatric disorders, updated Parkinson information, and many other valuable updates. An accompanying Expert Consult website makes the content fully searchable and contains several hundred video clips that illustrate the manifestations of all the movement disorders in the book along with their differential diagnoses. Get just the information you need for a clinical approach to diagnosis and management, with minimal emphasis on basic science. Find the answers you need quickly and easily thanks to a reader-friendly full-color format, with plentiful diagrams, photographs, and tables. Apply the latest advances to diagnosis and treatment of pediatric movement disorders, Parkinson disease, and much more. View the characteristic presentation of each disorder with a complete collection of professional-quality, narrated videos online. Better visualize every concept with new full-color illustrations throughout. Search the complete text online, follow links to PubMed abstracts, and download all of the illustrations, at www.expertconsult.com.
Book Synopsis Clinical Trials In Parkinson's Disease by : Santiago Perez-Lloret
Download or read book Clinical Trials In Parkinson's Disease written by Santiago Perez-Lloret and published by Humana. This book was released on 2020-08-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume looks at major clinical trials for motor and non-motor symptoms in Parkinson’s Disease (PD) and covers important aspects, including trial design, sample selection, and outcome selection. Chapters in this book discuss topics such as toxin-based rodent or genetic models of PD; clinical trials for motor symptoms, L-DOPA related motor complications, and gait disorders; clinical trials for mood disorders, troubled sleep, autonomic dysfunction; and clinical trials for disease modifying therapies. In the Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory or research center. Cutting-edge and authoritative, Clinical Trials in Parkinson’s Disease is a valuable resource for clinicians and researchers who want to enhance their interpretation of results from clinical trials and to design their own high-quality trials.
Book Synopsis Surgery for Parkinson's Disease by : Robert R. Goodman
Download or read book Surgery for Parkinson's Disease written by Robert R. Goodman and published by Springer. This book was released on 2019-01-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deep brain stimulation for the treatment of patients with Parkinson’s disease was introduced in the 1990s. Initially performed only at academic centers, over the past decade it has become a widespread surgical procedure. A variety of surgical techniques are employed and innovations are introduced frequently. This book is an ideal source of information for the many practicing neurosurgeons who did not learn this surgery during their training but would now like to add it to their practice, as well as an excellent update on exciting new developments in surgery for Parkinson’s disease. This book is designed to provide practicing neurosurgeons with current knowledge on the practical aspects of surgical treatment of patients with Parkinson’s disease. It explains how to identify surgical candidates and determine the optimal surgery, describes the various surgical techniques that are currently employed, and offers insights into how to optimize deep brain stimulation therapy after implantation. The keys to avoidance of surgical complications are carefully elucidated. In addition, an overview is provided of potential advances on the near-term horizon, including closed-loop deep brain stimulation, gene therapy, and optogenetics. All topics are covered by experienced Parkinson’s disease surgeons, in a concise and digestable format. The book will be an ideal source of information for the many practicing neurosurgeons who would like to add deep brain stimulation to their practice, as well as an excellent update on new developments in surgery for Parkinson’s disease.
Book Synopsis Non-Motor Symptoms of Parkinson's Disease by : K. Ray Chaudhuri
Download or read book Non-Motor Symptoms of Parkinson's Disease written by K. Ray Chaudhuri and published by Oxford University Press, USA. This book was released on 2014 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Patients with Parkinson's disease (PD) are known to suffer from motor symptoms of the disease, but they also experience non-motor symptoms (NMS) that are often present before diagnosis or that inevitably emerge with disease progression. The motor symptoms of Parkinson's disease have been extensively researched, and effective clinical tools for their assessment and treatment have been developed and are readily available. In contrast, researchers have only recently begun to focus on the NMS of Parkinson's Disease, which are poorly recognized and inadequately treated by clinicians. The NMS of PD have a significant impact on patient quality of life and mortality and include neuropsychiatric, sleep-related, autonomic, gastrointestinal, and sensory symptoms. While some NMS can be improved with currently available treatments, others may be more refractory and will require research into novel (non-dopaminergic) drug therapies for the future. Edited by members of the UK Parkinson's Disease Non-Motor Group (PD-NMG) and with contributions from international experts, this new edition summarizes the current understanding of NMS symptoms in Parkinson's disease and points the way towards future research.
Book Synopsis The New Parkinson's Disease Treatment Book by : J. Eric Ahlskog, PhD, MD
Download or read book The New Parkinson's Disease Treatment Book written by J. Eric Ahlskog, PhD, MD and published by Oxford University Press. This book was released on 2015-08-03 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental guide to the most effective treatments for Parkinson's Disease, from a Mayo Clinic doctor with thirty years of clinical and research experience. In this second edition follow-up to the extremely successful first edition, Dr. Ahlskog draws on thirty years of clinical experience to present the definitive guide to dealing with all aspects of Parkinson's Disease, from treatment options and side effects to the impact of the disease on caregivers and family. Dr. Ahlskog's goal is to educate patients so that they can better team up with their doctors to do battle with the disease, streamlining the decision-making process and enhancing their treatment. To do this, Dr. Ahlskog offers a gold mine of information, distilled from his years of experience treating people with Parkinson's at the Mayo Clinic. In addition to providing a comprehensive account of Parkinson's medications, this book also examines additional aspects of treatment, such as the role of nutrition, exercise, and physical therapy. Although many commendable texts have been written on the subject of Parkinson's Disease, their discussions of treatment have not been in depth. Dr. Ahlskog sifts through aspects of the disease in order to give the reader a comprehensive sense of Parkinson's and the best available treatment options. With a broader understanding of the disease and the available options, patients are able to make more informed choices, and doctors are able to provide more tailored care. This book delivers hopeful, helpful, and extensive information to all parties concerned: patients, caregivers, and doctors. The ultimate guide to symptoms and treatment, this thoroughly updated second edition is the first place patients should turn for reliable, easy-to-grasp information on Parkinson's Disease.
Book Synopsis Leucine-Rich Repeat Kinase 2 (LRRK2) by : Hardy J. Rideout
Download or read book Leucine-Rich Repeat Kinase 2 (LRRK2) written by Hardy J. Rideout and published by Springer. This book was released on 2017-03-28 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to assemble the leading researchers in the field of LRRK2 biology and neurology and provide a snapshot of the current state of knowledge, encompassing all major aspects of its function and dysfunction. The contributors are experts in cell biology and physiology, neurobiology, and medicinal chemistry, bringing a multidisciplinary perspective on the gene and its role in disease. The book covers the identification of LRRK2 as a major contributor to the pathogenesis of Parkinson's Disease. It also discusses the current state of the field after a decade of research, putative normal physiological roles of LRRK2, and the various pathways that have been identified in the search for the mechanism(s) of its induction of neurodegeneration.
Book Synopsis Integrative approach to Parkinson’s disease by : Hi-Joon Park
Download or read book Integrative approach to Parkinson’s disease written by Hi-Joon Park and published by Frontiers Media SA. This book was released on 2020-01-30 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis Parkinson's Disease by : Ronald F. Pfeiffer
Download or read book Parkinson's Disease written by Ronald F. Pfeiffer and published by CRC Press. This book was released on 2012-10-09 with total page 1319 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, considerable advances have been made in our knowledge and understanding of Parkinson's disease (PD). In particular, there has been an explosion of information regarding genetic contributions to the etiology of PD and an increased awareness of the importance of the non-motor features of the disease. Theories regarding the pathogenes