{"title":"Disease-specific interventions using cell therapies for spinal cord disease/injury.","authors":"Carl Moritz Zipser, Armin Curt","doi":"10.1016/B978-0-323-90120-8.00007-1","DOIUrl":"https://doi.org/10.1016/B978-0-323-90120-8.00007-1","url":null,"abstract":"<p><p>Traumatic spinal cord injury (SCI) may occur across the lifespan and is of global relevance. Damage of the spinal cord results in para- or tetraplegia and is associated with neuropathic pain, spasticity, respiratory, and autonomic dysfunction (i.e., control of bladder-bowel function). While the acute surgical treatment aims at stabilizing the spine and decompressing the damaged spinal cord, SCI patients require neurorehabilitation to restore neural function and to compensate for any impairments including motor disability, pain treatment, and bladder/bowel management. However, the spinal cord has a limited capacity to regenerate and much of the disability may persist, depending on the initial lesion severity and level of injury. For this reason, and the lack of effective drug treatments, there is an emerging interest and urgent need in promoting axonal regeneration and remyelination after SCI through cell- and stem-cell based therapies. This review briefly summarizes the state-of the art management of acute SCI and its neurorehabilitation to critically appraise phase I/II trials from the last two decades that have investigated cell-based therapies (i.e., Schwann cells, macrophages, and olfactory ensheathing cells) and stem cell-based therapies (i.e., neural stem cells, mesenchymal, and hematopoietic stem cells). Recently, two large multicenter trials provided evidence for the safety and feasibility of neural stem cell transplantation into the injured cord, whilst two monocenter trials also showed this to be the case for the transplantation of Schwann cells into the posttraumatic cord cavity. These are milestone studies that will facilitate further interventional trials. However, the clinical adoption of such approaches remains unproven, as there is only limited encouraging data, often in single patients, and no proven trial evidence to support regulatory approval.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"205 ","pages":"263-282"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pediatric inflammatory leukoencephalopathies.","authors":"Omar Abdel-Mannan, Yael Hacohen","doi":"10.1016/B978-0-323-99209-1.00001-6","DOIUrl":"https://doi.org/10.1016/B978-0-323-99209-1.00001-6","url":null,"abstract":"<p><p>Acquired demyelinating syndromes (ADS) represent acute neurologic illnesses characterized by deficits persisting for at least 24hours and involving the optic nerve, brain, or spinal cord, associated with regional areas of increased signal on T2-weighted images. In children, ADS may occur as a monophasic illness or as a relapsing condition, such as multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD). Almost all young people with MS have a relapsing-remitting course with clinical relapses. Important strides have been made in delineating MS from other ADS subtypes. Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) and aquaporin 4-antibody-positive neuromyelitis optica spectrum disorder (AQP4-NMOSD) were once considered variants of MS; however, studies in the last decade have established that these are in fact distinct entities. Although there are clinical phenotypic overlaps between MOGAD, AQP4-NMOSD, and MS, cumulative biologic, clinical, and pathologic evidence allows discrimination between these conditions. There has been a rapid increase in the number of available disease-modifying therapies for MS and novel treatment strategies are starting to appear for both MOGAD and AQP4-NMOSD. Importantly, there are a number of both inflammatory and noninflammatory mimics of ADS in children with implications of management for these patients in terms of treatment.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"204 ","pages":"369-398"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stefanie Perrier, Laurence Gauquelin, Geneviève Bernard
{"title":"Inherited white matter disorders: Hypomyelination (myelin disorders).","authors":"Stefanie Perrier, Laurence Gauquelin, Geneviève Bernard","doi":"10.1016/B978-0-323-99209-1.00014-4","DOIUrl":"https://doi.org/10.1016/B978-0-323-99209-1.00014-4","url":null,"abstract":"<p><p>Hypomyelinating leukodystrophies are a subset of genetic white matter diseases characterized by insufficient myelin deposition during development. MRI patterns are used to identify hypomyelinating disorders, and genetic testing is used to determine the causal genes implicated in individual disease forms. Clinical course can range from severe, with patients manifesting neurologic symptoms in infancy or early childhood, to mild, with onset in adolescence or adulthood. This chapter discusses the most common hypomyelinating leukodystrophies, including X-linked Pelizaeus-Merzbacher disease and other PLP1-related disorders, autosomal recessive Pelizaeus-Merzbacher-like disease, and POLR3-related leukodystrophy. PLP1-related disorders are caused by hemizygous pathogenic variants in the proteolipid protein 1 (PLP1) gene, and encompass classic Pelizaeus-Merzbacher disease, the severe connatal form, PLP1-null syndrome, spastic paraplegia type 2, and hypomyelination of early myelinating structures. Pelizaeus-Merzbacher-like disease presents a similar clinical picture to Pelizaeus-Merzbacher disease, however, it is caused by biallelic pathogenic variants in the GJC2 gene, which encodes for the gap junction protein Connexin-47. POLR3-related leukodystrophy, or 4H leukodystrophy (hypomyelination, hypodontia, and hypogonadotropic hypogonadism), is caused by biallelic pathogenic variants in genes encoding specific subunits of the transcription enzyme RNA polymerase III. In this chapter, the clinical features, disease pathophysiology and genetics, imaging patterns, as well as supportive and future therapies are discussed for each disorder.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"204 ","pages":"197-223"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preface.","authors":"David S Lynch, Henry Houlden","doi":"10.1016/B978-0-323-99209-1.09998-1","DOIUrl":"https://doi.org/10.1016/B978-0-323-99209-1.09998-1","url":null,"abstract":"","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"204 ","pages":"xi"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vinojini Vivekanandam, Pinki Munot, Dipa L Jayaseelan
{"title":"Pediatric neuromuscular channelopathies.","authors":"Vinojini Vivekanandam, Pinki Munot, Dipa L Jayaseelan","doi":"10.1016/B978-0-323-90820-7.00011-2","DOIUrl":"https://doi.org/10.1016/B978-0-323-90820-7.00011-2","url":null,"abstract":"<p><p>Pediatric skeletal muscle channelopathies include a spectrum of conditions including nondystrophic myotonias and periodic paralyses. They are rare inherited conditions that can cause significant morbidity. They are characterized by episodic stiffness and weakness. While there is significant phenotypic variability, there are distinct diagnostic features. The nondystrophic myotonias encompass myotonia congenita, paramyotonia congenita, and sodium channel myotonia caused by mutations in chloride and sodium channels. The clinical manifestations vary across age groups and a small subset with sodium channel mutations may have severe presentation with fetal akinesia, laryngospasm, or congenital myopathy. The periodic paralyses include hypokalemic periodic paralysis, hyperkalemic periodic paralysis, and Andersen-Tawil syndrome. The phenotypic differences between the groups can be helpful in diagnosis. It is important to review the cardiac phenotype in Andersen-Tawil syndrome due to a risk of life-threatening cardiac arrhythmias. Early and accurate diagnosis utilizing clinical features aided by investigations is important across all the pediatric channelopathies, as effective symptomatic treatment is available and can substantially improve quality of life.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"203 ","pages":"111-122"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142035744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preface.","authors":"Michael G Hanna","doi":"10.1016/B978-0-323-90820-7.10000-X","DOIUrl":"https://doi.org/10.1016/B978-0-323-90820-7.10000-X","url":null,"abstract":"","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"203 ","pages":"xi-xiii"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142035746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Paraneoplastic neurologic manifestations of neuroendocrine tumors.","authors":"Marco Zoccarato, Wolfgang Grisold","doi":"10.1016/B978-0-12-823912-4.00023-2","DOIUrl":"10.1016/B978-0-12-823912-4.00023-2","url":null,"abstract":"<p><p>Neuroendocrine neoplasms (NENs) are a heterogeneous group of tumors arising from the transformation of neuroendocrine cells in several organs, most notably the gastro-entero-pancreatic system and respiratory tract. The classification was recently revised in the 5th Edition of the WHO Classification of Endocrine and Neuroendocrine Tumors. NENs can rarely spread to the central or peripheral nervous systems. Neurologic involvement is determined by the rare development of paraneoplastic syndromes, which are remote effects of cancer. Mechanisms depend on immunologic response to a tumor, leading to the immune attack on the nervous system or the production of biologically active (\"functioning\") substances, which can determine humoral (endocrine) effects with neurologic manifestations. Paraneoplastic neurologic syndromes (PNS) are immunologically mediated and frequently detected in small cell lung cancer but rarely seen in other forms of NEN. PNS and Merkel cell carcinoma is increasingly reported, especially with Lambert Eaton myasthenic syndrome. Endocrine manifestations are found in a wide spectrum of NENs. They can develop at any stage of the diseases and determine neurologic manifestations. Patient outcomes are influenced by tumor prognosis, neurologic complications, and the severity of endocrine effects.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"200 ","pages":"397-407"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140143302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Meralgia paresthetica.","authors":"Colin Chalk, Dina Namiranian","doi":"10.1016/B978-0-323-90108-6.00013-2","DOIUrl":"10.1016/B978-0-323-90108-6.00013-2","url":null,"abstract":"<p><p>Meralgia paresthetica is a common but probably underrecognized syndrome caused by dysfunction of the lateral femoral cutaneous nerve. The diagnosis is based on the patient's description of sensory disturbance, often painful, on the anterolateral aspect of the thigh, with normal strength and reflexes. Sensory nerve conduction studies and somatosensory evoked potentials may be used to support the diagnosis, but both have technical limitations, with low specificity and sensitivity. Risk factors for meralgia paresthetica include obesity, tight clothing, and diabetes mellitus. Some cases are complications of hip or lumbar spine surgery. Most cases are self-limited, but a small proportion of patients remain with refractory and disabling symptoms. Treatment options include medications for neuropathic pain, neurolysis, neurectomy, and radioablation, but controlled trials to compare efficacy are lacking.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"201 ","pages":"195-201"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140863713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eleonora De Matteis, Raffaele Ornello, Simona Sacco
{"title":"Menstrually associated migraine.","authors":"Eleonora De Matteis, Raffaele Ornello, Simona Sacco","doi":"10.1016/B978-0-12-823357-3.00023-9","DOIUrl":"10.1016/B978-0-12-823357-3.00023-9","url":null,"abstract":"<p><p>Menstrually related migraine is a disabling condition affecting 35% to 54% females with migraine during their fertile years. The International Headache Classification distinguishes menstrually related migraine from pure menstrual migraine based on the occurrence of the attacks even outside the perimenstrual periods. Hormonal fluctuations are the main driver for the disease in subjects with genetic susceptibility and alterations of brain structures and connectivity. Menstrually related attacks are often particularly severe and disabling requiring proper management. Acute treatment mainly consists of nonsteroidal anti-inflammatory drugs (NSAIDs), recommended in patients also suffering from dysmenorrhea, and triptans. Prevention is specifically indicated in women with high monthly headache frequency or burdensome attacks during perimenstrual periods. Trials proved the efficacy of short-term prevention with triptans and NSAIDs but did not evaluate possible long-term effectiveness and tolerability. Evidence of prevention using hormonal treatments is poor, but extended-cycle treatments might be suitable for women requiring hormonal replacement for concomitant conditions. Few data are available on treatments targeting CGRP, among whom gepants are the most promising because of their utility both in migraine acute and preventive treatment. A greater recognition of disease and a deep knowledge of patients' comorbidities are essential to its proper management.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"199 ","pages":"331-351"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139671591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sophie L Hughes, Matthew J Prettyjohns, John A Snowden, Basil Sharrack
{"title":"Economics of hematopoietic stem cell transplant in immune-mediated neurologic autoimmune diseases.","authors":"Sophie L Hughes, Matthew J Prettyjohns, John A Snowden, Basil Sharrack","doi":"10.1016/B978-0-323-90242-7.00007-9","DOIUrl":"https://doi.org/10.1016/B978-0-323-90242-7.00007-9","url":null,"abstract":"<p><p>Autologous hematopoietic stem cell transplantation (AHSCT) is a therapeutic procedure for autoimmune diseases which suppresses inflammation and resets the immune system, thereby halting disease activity and disability progression in treatment-resistant patients. This chapter reviews existing guidelines and health economic evaluations of AHSCT for multiple sclerosis (MS) and presents a cost-utility analysis from the UK NHS and personal social services perspective comparing AHSCT with disease-modifying therapies (DMTs) in patients with highly active relapsing-remitting MS (RRMS) based on the only published randomized controlled trial, \"MIST,\" in this population. Over a 5-year time horizon, AHSCT was dominant (more effective and less costly) over the DMTs in MIST. At a threshold of £20,000 per QALY, there was a 100% probability that AHSCT was cost-effective. This result is explained by the high ongoing costs of DMTs compared with the up-front cost of AHSCT, combined with the high effectiveness of AHSCT. When compared with natalizumab, the result did not change; AHSCT remained dominant. These results support current guideline recommendations regarding AHSCT for highly active RRMS. The cost-effectiveness of AHSCT in progressive and aggressive MS and other immune-mediated neurologic diseases remains uncertain due to a lack of health economic analyses, reflecting the limited clinical evidence base.</p>","PeriodicalId":12907,"journal":{"name":"Handbook of clinical neurology","volume":"202 ","pages":"279-294"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141901519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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