Carmela V San Luis, Sarah Breaux, Houman Sotoudeh, Kenneth Fallon, Kenkichi Nozaki
{"title":"Head and Neck Squamous Cell Carcinoma Presenting With Leptomeningeal Carcinomatosis and Myeloradiculopathy via Perineural Growth.","authors":"Carmela V San Luis, Sarah Breaux, Houman Sotoudeh, Kenneth Fallon, Kenkichi Nozaki","doi":"10.1097/CND.0000000000000425","DOIUrl":"https://doi.org/10.1097/CND.0000000000000425","url":null,"abstract":"","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"164-165"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9341387","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":"What Is in the Myopathy Literature?","authors":"David Lacomis","doi":"10.1097/CND.0000000000000440","DOIUrl":"https://doi.org/10.1097/CND.0000000000000440","url":null,"abstract":"<p><strong>Abstract: </strong>This update begins with the results of a positive trial of intravenous immunoglobulin in dermatomyositis and a study of molecular and morphologic patterns in inclusion body myositis that may explain treatment refractoriness. Single center reports of muscular sarcoidosis and immune-mediated necrotizing myopathy follow. There is also a report of caveolae-associated protein 4 antibodies as a potential biomarker and cause of immune rippling muscle disease. The remainder covers updates on muscular dystrophies as well as congenital and inherited metabolic myopathies with an emphasis on genetic testing. Rare dystrophies, including one involving ANXA11 mutations and a series on oculopharyngodistal myopathy, are discussed.</p>","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"130-139"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10136923","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}
Mustafa Saleh, Mona Boukhdoud, Hayam Boukhdoud, Mohammad Al Zein, Pascale Salameh
{"title":"Landscape of Guillain-Barré Syndrome Interventional Clinical Trials.","authors":"Mustafa Saleh, Mona Boukhdoud, Hayam Boukhdoud, Mohammad Al Zein, Pascale Salameh","doi":"10.1097/CND.0000000000000441","DOIUrl":"https://doi.org/10.1097/CND.0000000000000441","url":null,"abstract":"<p><strong>Introduction: </strong>Guillain-Barré syndrome (GBS) is an immune-mediated polyradiculoneuropathy that remains a debilitating disease despite medical treatment. Numerous challenges still exist, including the development of disease-modifying therapies that can improve prognosis, particularly in patients with poor prognostic outcomes. In this study, we explored clinical trials related to GBS, analyzed the trial characteristics, suggested some ideas for improvement, and discussed recent advances.</p><p><strong>Methods: </strong>On December 30, 2021, the authors searched ClinicalTrials.gov for all interventional and therapeutic clinical trials related to GBS, without any restrictions on the date or location. Trial characteristics including trial duration, location, phase, sample size, and publications were retrieved and analyzed.</p><p><strong>Results: </strong>Twenty-one trials fulfilled the selection criteria. Clinical trials were conducted in 11 different countries, most of them occurring in Asia. On average, the trial duration across the phases was around 2 years. About two-thirds of trials were completed, and 39% of trials were in the early phases (1 and 2). Only 24% of all trials and 60% of completed trials have publications in this study.</p><p><strong>Conclusions: </strong>The study revealed a low number of trials, lack of geographic diversity, scanty enrollment of patients, and paucity of clinical trial duration and publications regarding GBS clinical trials. Optimization of GBS trials is fundamental to achieving effective therapies for this disease.</p>","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"119-129"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10764046","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}
Efthalia Angelopoulou, Georgia Karadima, Efstratios-Stylianos Pyrgelis, Thomas Zambelis, Vasiliki Zouvelou
{"title":"Camptocormia as an Unusual Presenting Symptom of Myotonic Dystrophy Type 2: An Overlooked Cause of Axial Myopathy.","authors":"Efthalia Angelopoulou, Georgia Karadima, Efstratios-Stylianos Pyrgelis, Thomas Zambelis, Vasiliki Zouvelou","doi":"10.1097/CND.0000000000000417","DOIUrl":"https://doi.org/10.1097/CND.0000000000000417","url":null,"abstract":"","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"165-166"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9341385","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}
Harish Eswaran, Rebecca Traub, Paul Googe, Stephan Moll
{"title":"Characteristics of Peripheral Neuropathy in Patients With Livedoid Vasculopathy.","authors":"Harish Eswaran, Rebecca Traub, Paul Googe, Stephan Moll","doi":"10.1097/CND.0000000000000435","DOIUrl":"https://doi.org/10.1097/CND.0000000000000435","url":null,"abstract":"<p><strong>Abstract: </strong>Livedoid vasculopathy (LV) is an ulcerative disorder of the lower extremities characterized by dermal vessel thrombosis with unclear cause. Recent reports of LV-associated upper extremity peripheral neuropathy and epineurial thrombosis suggest a systemic etiology for the condition. We sought to outline the characteristics of peripheral neuropathy in patients with LV. Cases of LV with concurrent peripheral neuropathy and reviewable electrodiagnostic testing reports were identified by electronic medical record database query and examined in detail. Of 53 patients with LV, 33 (62%) had peripheral neuropathy, 11 had reviewable electrodiagnostic reports, and 6 had no clear alternative explanation for neuropathy. Distal symmetric polyneuropathy was the most commonly observed pattern of neuropathy (n = 3) followed by mononeuropathy multiplex (n = 2). Most patients experienced symptoms in both upper and lower extremities (n = 4). Peripheral neuropathy is common in patients with LV. Whether this association is reflective of a systemic, prothrombotic etiology remains to be determined.</p>","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"157-161"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10314363","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":"Guillain-Barre Syndrome After the Third BNT162b2 Dose in an Adolescent Without Side Effects After the First and Second Jab.","authors":"Josef Finsterer","doi":"10.1097/CND.0000000000000434","DOIUrl":"https://doi.org/10.1097/CND.0000000000000434","url":null,"abstract":"","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"162-163"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9341388","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":"Neuropathy, Ataxia, and Retinitis Pigmentosa Syndrome.","authors":"Josef Finsterer","doi":"10.1097/CND.0000000000000422","DOIUrl":"https://doi.org/10.1097/CND.0000000000000422","url":null,"abstract":"<p><strong>Objectives: </strong>To provide an overview about the phenotype, genotype, treatment, and outcome of neuropathy, ataxia, and retinitis pigmentosa (NARP) syndrome.</p><p><strong>Methods: </strong>Systematic review by application of appropriate search terms.</p><p><strong>Results: </strong>NARP syndrome is a syndromic mitochondrial disorder due to pathogenic variants in MT-ATP6. The canonical phenotypic features of NARP syndrome include proximal muscle weakness, axonal neuropathy, cerebellar ataxia, and retinitis pigmentosa. Noncanonical phenotypic features in NARP include epilepsy, cerebral or cerebellar atrophy, optic atrophy, cognitive impairment, dementia, sleep apnea syndrome, hearing impairment, renal insufficiency, and diabetes. So far, 10 pathogenic variants in MT-ATP6 have been associated with NARP, NARP-like syndrome, or NARP/maternally inherited Leigh overlap syndrome. Most pathogenic MT-ATP6 variants are missense, but a few truncating pathogenic variants have been reported. The most common variant responsible for NARP is the transversion m.8993T>G. Only symptomatic treatment for NARP syndrome is available. In most of the cases, patients die prematurely. Patients with late-onset NARP survive longer.</p><p><strong>Conclusions: </strong>NARP is a rare, syndromic, monogenic mitochondrial disorder due to pathogenic variants in MT-ATP6. The nervous system and the eyes are most commonly affected. Although only symptomatic treatment is available, the outcome is usually fair.</p>","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"140-146"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10131957","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":"Small-Fiber Neuropathy After Vaccination With mRNA-1273 SARS-CoV-2 Vaccine.","authors":"James H Bernheimer, Baohan Pan, Bonnie J Gerecke","doi":"10.1097/CND.0000000000000432","DOIUrl":"10.1097/CND.0000000000000432","url":null,"abstract":"REFERENCES 1. Allenbach Y, Benveniste O, Stenzel W, et al. Immunemediated necrotizing myopathy: clinical features and pathogenesis. Nat Rev Rheumatol. 2020;16:689–701. 2. Dalakas MC. Inflammatory myopathies: update on diagnosis, pathogenesis and therapies, and COVID19-related implications. Acta Myol. 2020;39:289–301. 3. Wang MY, Zhao R, Gao LJ, et al. SARS-CoV-2: structure, biology, and structure-based therapeutics development. Front Cell Infect Microbiol. 2020;10:587269. 4. Kassardjian CD, Lennon VA, Alfugham NB, et al. Clinical features and treatment outcomes of necrotizing autoimmune myopathy. JAMA Neurol. 2015;72:996–1003. 5. Marotta DA, Zadourian A, Jabaay MJ, et al. Autoantibody-negative immune-mediated necrotizing myopathy responds to early and aggressive treatment: a case report. Cureus. 2020;12:e7827.","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"169-170"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ad/99/jcnd-24-169.PMC9943741.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10136921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Erin Dennis, Elizabeth Hartman, Nicolas Cortes-Penfield, Ezequiel Piccione, Pariwat Thaisetthawatkul
{"title":"Acute and Chronic Demyelinating Neuropathies After COVID-19 Vaccination: A Report of 4 Cases.","authors":"Erin Dennis, Elizabeth Hartman, Nicolas Cortes-Penfield, Ezequiel Piccione, Pariwat Thaisetthawatkul","doi":"10.1097/CND.0000000000000418","DOIUrl":"https://doi.org/10.1097/CND.0000000000000418","url":null,"abstract":"<p><strong>Objectives: </strong>To report demyelinating neuropathies after COVID-19 vaccination.</p><p><strong>Methods: </strong>Case report.</p><p><strong>Results: </strong>Four cases of demyelinating neuropathies after COVID-19 vaccination were identified at the University of Nebraska Medical Center from May to September 2021. Three were male and 1 was a female, ages 26-64 years. Three cases received Pfizer-BioNTech vaccine and 1 Johnson & Johnson. Symptom onset ranged from 2 to 21 days after vaccination. Two cases had progressive limb weakness, 3 had facial diplegia, and all had sensory symptoms and areflexia. The diagnosis was acute inflammatory demyelinating polyneuropathy in 1 case and chronic inflammatory demyelinating polyradiculoneuropathy in 3. All cases received treatment with intravenous immunoglobulin, with significant improvement in 3 of 4 who had a long-term outpatient follow-up.</p><p><strong>Conclusions: </strong>Continued identification and reporting of cases of demyelinating neuropathies after COVID-19 vaccination is essential to determine whether a causative association is present.</p>","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"147-156"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10764048","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}
Chin-Hen Chang, Riju Gupta, Devy Setyono, Areli K Cuevas-Ocampo, Mohammad A Khoshnoodi
{"title":"Refractory Seronegative Immune-Mediated Necrotizing Myopathy After Receiving mRNA-1273 SARS-CoV-2 Vaccine: A Case Report.","authors":"Chin-Hen Chang, Riju Gupta, Devy Setyono, Areli K Cuevas-Ocampo, Mohammad A Khoshnoodi","doi":"10.1097/CND.0000000000000431","DOIUrl":"https://doi.org/10.1097/CND.0000000000000431","url":null,"abstract":"","PeriodicalId":39645,"journal":{"name":"Journal of Clinical Neuromuscular Disease","volume":"24 3","pages":"168-169"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9341384","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}