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Tuka B, Körtési T, Nánási N, Tömösi F, Janáky T, Veréb D, Szok D, Tajti J, Vécsei L. Cluster headache and kynurenines. J Headache Pain 2023; 24:35. [PMID: 37016290 PMCID: PMC10074689 DOI: 10.1186/s10194-023-01570-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/23/2023] [Indexed: 04/06/2023] Open
Abstract
BACKGROUND The glutamatergic neurotransmission has important role in the pathomechanism of primary headache disorders. The kynurenine metabolites derived from catabolism of tryptophan (Trp) have significant involvement not only in glutamatergic processes, but also in the neuroinflammation, the oxidative stress and the mitochondrial dysfunctions. Previously we identified a depressed peripheral Trp metabolism in interictal period of episodic migraineurs, which prompted us to examine this pathway in patients with episodic cluster headache (CH) as well. Our aims were to compare the concentrations of compounds both in headache-free and attack periods, and to find correlations between Trp metabolism and the clinical features of CH. Levels of 11 molecules were determined in peripheral blood plasma of healthy controls (n = 22) and interbout/ictal periods of CH patients (n = 24) by neurochemical measurements. FINDINGS Significantly decreased L-kynurenine (KYN, p < 0.01), while increased quinolinic acid (QUINA, p < 0.005) plasma concentrations were detected in the interbout period of CH patients compared to healthy subjects. The levels of KYN are further reduced during the ictal period compared to the controls (p < 0.006). There was a moderate, negative correlation between disease duration and interbout QUINA levels (p < 0.048, R = - 0.459); and between the total number of CH attacks experienced during the lifetime of patients and the interbout KYN concentrations (p < 0.024, R = - 0.516). Linear regression models revealed negative associations between age and levels of Trp, kynurenic acid, 3-hdyroxyanthranilic acid and QUINA in healthy control subjects, as well as between age and ictal level of anthranilic acid. CONCLUSIONS Our results refer to a specifically altered Trp metabolism in CH patients. The onset of metabolic imbalance can be attributed to the interbout period, where the decreased KYN level is unable to perform its protective functions, while the concentration of QUINA, as a toxic compound, increases. These processes can trigger CH attacks, which may be associated with glutamate excess induced neurotoxicity, neuroinflammation and oxidative stress. Further studies are needed to elucidate the exact functions of these molecular alterations that can contribute to identify new, potential biomarkers in the therapy of CH.
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Affiliation(s)
- Bernadett Tuka
- ELKH-SZTE Neuroscience Research Group, Department of Neurology, Faculty of Medicine, University of Szeged, Semmelweis U 6, Szeged, Hungary, 6725
- Department of Radiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Tamás Körtési
- ELKH-SZTE Neuroscience Research Group, Department of Neurology, Faculty of Medicine, University of Szeged, Semmelweis U 6, Szeged, Hungary, 6725
- Faculty of Health Sciences and Social Studies, University of Szeged, Szeged, Hungary
| | - Nikolett Nánási
- ELKH-SZTE Neuroscience Research Group, Department of Neurology, Faculty of Medicine, University of Szeged, Semmelweis U 6, Szeged, Hungary, 6725
| | - Ferenc Tömösi
- Department of Medical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
| | - Tamás Janáky
- Department of Medical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
| | - Dániel Veréb
- Department of Radiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Délia Szok
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - János Tajti
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - László Vécsei
- ELKH-SZTE Neuroscience Research Group, Department of Neurology, Faculty of Medicine, University of Szeged, Semmelweis U 6, Szeged, Hungary, 6725.
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary.
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Kung D, Rodriguez G, Evans R. Chronic Migraine. Neurol Clin 2022; 41:141-159. [DOI: 10.1016/j.ncl.2022.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Montemitro C, Angebrandt A, Wang TY, Pettorruso M, Abulseoud OA. Mechanistic insights into the efficacy of memantine in treating certain drug addictions. Prog Neuropsychopharmacol Biol Psychiatry 2021; 111:110409. [PMID: 34324921 DOI: 10.1016/j.pnpbp.2021.110409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 06/23/2021] [Accepted: 07/22/2021] [Indexed: 01/11/2023]
Abstract
The deleterious effects of the drug addiction epidemic are compounded by treatment strategies that are only marginally efficacious. Memantine is a unique glutamatergic medication with proven ability to attenuate drug addiction in preclinical models. However, clinical translational studies are inconsistent. In this review, we summarize preclinical evidences and clinical trials that investigated the efficacy of memantine in treating patients with alcohol, opiate, cocaine, and nicotine use disorders and discuss the results from a mechanistic point of view. Memantine has shown efficacy in reducing alcohol and opiate craving, consumption, and withdrawal severity. However, in cocaine and nicotine use disorders, memantine did not have significant effect on cravings or consumption. Additionally, memantine was associated with increased subjective effects of alcohol, cocaine, and nicotine. We discuss possible mechanisms behind this variability. Since memantine transiently blocks NMDA receptors and protects neurons from overstimulation by excessive synaptic glutamate, its efficacy should be observed in drug phases that cause hyperglutamatergic states, while hypoglutamatergic drug use states would not resolve with blocking NMDA receptors. Second, memantine pharmacokinetic studies have been done in rodents and healthy volunteers, but not in patients with substance use disorder. Memantine, opiates, cocaine, and nicotine share the same transporter family at the blood brain barrier. This shared transport mechanism could impact brain concentrations of memantine and its effects. In conclusion, memantine remains an intriguing compound in our pharmacopeia with controversial results in treating certain aspects of drug addiction. Further studies are needed to understand the clinical and biological correlates of its efficacy.
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Affiliation(s)
- Chiara Montemitro
- Neuroimaging Research Branch, Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA; Department of Neuroscience & Imaging, Università degli Studi G. d'Annunzio Chieti e Pescara, Italy.
| | - Alexandra Angebrandt
- Neuroimaging Research Branch, Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Tzu-Yun Wang
- Neuroimaging Research Branch, Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA; Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Mauro Pettorruso
- Department of Neuroscience & Imaging, Università degli Studi G. d'Annunzio Chieti e Pescara, Italy
| | - Osama A Abulseoud
- Neuroimaging Research Branch, Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA; Department of Psychiatry and Psychology, Mayo Clinic, 5777 E Mayo Blvd, Phoenix, AZ, USA.
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Surbakti KP, Sjahrir H. The Effect of Flunarizine Prophylactic Treatment on Headache Frequency and Plasma Glutamate Levels in Chronic Tension-type Headache Patients. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Previous research has shown that flunarizine may be used for the prophylactic treatment of migraine and that plasma glutamate level monitoring in patients with migraine can serve as a biomarker of response to treatment. Our aim was to assess the efficacy of flunarizine and the correlation of glutamate levels in Chronic Tension-type Headache (CTTH) with response to medication.
Methods: We studied 19 patients with diagnosis of CTTH according to International Classification of Headache Disorder, 2nd edition criteria. The level of plasma glutamate was measured before and after 8-weeks prophylactic treatments. Subjects were randomized into three interventional groups (flunarizine 5 mg, flunarizine 10 mg and placebo). Glutamate levels were measured by means of Glutamate ELISA Kit KA1909 Abnova.
Results: Flunarizine 5 mg group had lower mean plasma glutamate levels significantly compared to placebo (p < 0.00; 95% CI: 0.40-1.07). Flunarizine 10 mg group had lower mean of plasma glutamate levels significantly compared to placebo (p< 0.00; 95% CI: 0.53-1.27). However, there were no significant differences of mean plasma glutamate levels between flunarizine 5 mg group and flunarizine 10 mg group (p < 0.37; 95% CI: -(0.54) - 0.21). There were no significant differences in headache frequency reduction among the three interventional groups.
Conclusions: The usage of flunarizine as prophylactic treatment can reduce plasma glutamate levels significantly in CTTH patients. Either flunarizine or placebo showed no significant difference in reducing headache frequency in CTTH patients.
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5
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Courault P, Demarquay G, Zimmer L, Lancelot S. Cluster headache: state of the art of pharmacological treatments and therapeutic perspectives. Fundam Clin Pharmacol 2020; 35:595-619. [DOI: 10.1111/fcp.12636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/13/2020] [Accepted: 12/03/2020] [Indexed: 12/26/2022]
Affiliation(s)
- Pierre Courault
- Lyon Neuroscience Research Center (CRNL) Université de LyonCNRSINSERM Lyon France
- Hospices Civils de Lyon (HCL) Lyon France
| | | | - Luc Zimmer
- Lyon Neuroscience Research Center (CRNL) Université de LyonCNRSINSERM Lyon France
- Hospices Civils de Lyon (HCL) Lyon France
- CERMEP‐Imaging Platform Groupement Hospitalier Est Bron France
- National Institute for Nuclear Science and Technology (INSTN) CEA Saclay France
| | - Sophie Lancelot
- Lyon Neuroscience Research Center (CRNL) Université de LyonCNRSINSERM Lyon France
- Hospices Civils de Lyon (HCL) Lyon France
- CERMEP‐Imaging Platform Groupement Hospitalier Est Bron France
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7
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Abstract
Headache is the most common neurologic symptom and affects nearly half the world's population at any given time. Although the prevalence declines with age, headache remains a common neurologic complaint among elderly populations. Headaches can be divided into primary and secondary causes. Primary headaches comprise about two-thirds of headaches among the elderly. They are defined by clinical criteria and are diagnosed based on symptom pattern and exclusion of secondary causes. Primary headaches include migraine, tension-type, trigeminal autonomic cephalalgias, and hypnic headache. Secondary headaches are defined by their suspected etiology. A higher index of suspicion for a secondary headache disorder is warranted in older patients with new-onset headache. They are roughly 12 times more likely to have serious underlying causes and, frequently, have different symptomatic presentations compared to younger adults. Various imaging and laboratory evaluations are indicated in the presence of any "red flag" signs or symptoms. Head CT is the procedure of choice for acute headache presentations, and brain MRI for those with chronic headache complaints. Management of headache in elderly populations can be challenging due to the presence of multiple medical comorbidities, polypharmacy, and differences in drug metabolism and clearance.
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Affiliation(s)
- Robert G Kaniecki
- Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States.
| | - Andrew D Levin
- Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
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Ong JJY, Wei DYT, Goadsby PJ. Recent Advances in Pharmacotherapy for Migraine Prevention: From Pathophysiology to New Drugs. Drugs 2019; 78:411-437. [PMID: 29396834 DOI: 10.1007/s40265-018-0865-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Migraine is a common and disabling neurological disorder, with a significant socioeconomic burden. Its pathophysiology involves abnormalities in complex neuronal networks, interacting at different levels of the central and peripheral nervous system, resulting in the constellation of symptoms characteristic of a migraine attack. Management of migraine is individualised and often necessitates the commencement of preventive medication. Recent advancements in the understanding of the neurobiology of migraine have begun to account for some parts of the symptomatology, which has led to the development of novel target-based therapies that may revolutionise how migraine is treated in the future. This review will explore recent advances in the understanding of migraine pathophysiology, and pharmacotherapeutic developments for migraine prevention, with particular emphasis on novel treatments targeted at the calcitonin gene-related peptide (CGRP) pathway.
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Affiliation(s)
- Jonathan Jia Yuan Ong
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, Wellcome Foundation Building, London, SE5 9PJ, UK.,Division of Neurology, Department of Medicine, National University Health System, University Medicine Cluster, Singapore, Singapore
| | - Diana Yi-Ting Wei
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, Wellcome Foundation Building, London, SE5 9PJ, UK
| | - Peter J Goadsby
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. .,NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, Wellcome Foundation Building, London, SE5 9PJ, UK.
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9
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Abstract
BACKGROUND AND OBJECTIVES The burden of chronic headache disorders in the United States is substantial. Some patients are treatment refractory. Ketamine, an N-methyl-D-aspartate antagonist, provides potent analgesia in subanesthetic doses in chronic pain, and limited data suggest it may alleviate headache in some patients. METHODS We performed a retrospective study of 61 patients admitted over 3 years for 5 days of intravenous therapy that included continuous ketamine to determine responder rate and patient and ketamine infusion characteristics. Pain ratings at 2 follow-up visits were recorded. An immediate responder was a patient with decrease of 2 points or greater in the numerical rating scale (0-10) from start to final pain in the hospital. Sustained response at office visits 1 and 2 was determined based on maintaining the 2-point improvement at those visits. Patients were assessed daily for pain and adverse events (AEs). RESULTS Forty-eight (77%) of the 61 patients were immediate responders. There were no differences regarding demographics, opioid use, or fibromyalgia between immediate responders and nonresponders. Maximum improvement occurred 4.56 days (mean) into treatment. Sustained response occurred in 40% of patients at visit 1 (mean, 38.1 days) and 39% of patients at visit 2 (mean, 101.3 days). The mean maximum ketamine rate was 65.2 ± 2.8 mg/h (0.76 mg/kg per hour). Ketamine rates did not differ between groups. Adverse events occurred equally in responders and nonresponders and were mild. CONCLUSIONS Ketamine was associated with short-term analgesia in many refractory headache patients with tolerable adverse events. A prospective study is warranted to confirm this and elucidate responder characteristics.
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10
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Wilkinson T, Ly A, Schnier C, Rannikmäe K, Bush K, Brayne C, Quinn TJ, Sudlow CLM. Identifying dementia cases with routinely collected health data: A systematic review. Alzheimers Dement 2018; 14:1038-1051. [PMID: 29621480 PMCID: PMC6105076 DOI: 10.1016/j.jalz.2018.02.016] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 01/31/2018] [Accepted: 02/12/2018] [Indexed: 12/14/2022]
Abstract
Introduction Prospective, population-based studies can be rich resources for dementia research. Follow-up in many such studies is through linkage to routinely collected, coded health-care data sets. We evaluated the accuracy of these data sets for dementia case identification. Methods We systematically reviewed the literature for studies comparing dementia coding in routinely collected data sets to any expert-led reference standard. We recorded study characteristics and two accuracy measures—positive predictive value (PPV) and sensitivity. Results We identified 27 eligible studies with 25 estimating PPV and eight estimating sensitivity. Study settings and methods varied widely. For all-cause dementia, PPVs ranged from 33%–100%, but 16/27 were >75%. Sensitivities ranged from 21% to 86%. PPVs for Alzheimer's disease (range 57%–100%) were generally higher than those for vascular dementia (range 19%–91%). Discussion Linkage to routine health-care data can achieve a high PPV and reasonable sensitivity in certain settings. Given the heterogeneity in accuracy estimates, cohorts should ideally conduct their own setting-specific validation.
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Affiliation(s)
- Tim Wilkinson
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, Scotland; Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland.
| | - Amanda Ly
- Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland
| | - Christian Schnier
- Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland
| | - Kristiina Rannikmäe
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, Scotland; Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland
| | - Kathryn Bush
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, Scotland; Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland
| | - Carol Brayne
- Institute of Public Health, Cambridge University, Cambridge, UK
| | - Terence J Quinn
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, Scotland
| | - Cathie L M Sudlow
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, Scotland; Usher Institute of Population Health Sciences and Informatics, Nine Bioquarter, Edinburgh, Scotland; UK Biobank, Coordinating Centre, Stockport, UK
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Abstract
Trigeminal autonomic cephalalgia (TAC) encompasses 4 unique primary headache types: cluster headache, paroxysmal hemicrania, hemicrania continua, and short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing and short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms. They are grouped on the basis of their shared clinical features of unilateral headache of varying durations and ipsilateral cranial autonomic symptoms. The shared clinical features reflect the underlying activation of the trigeminal-autonomic reflex. The treatment for TACs has been limited and not specific to the underlying pathogenesis. There is a proportion of patients who are refractory or intolerant to the current standard medical treatment. From instrumental bench work research and neuroimaging studies, there are new therapeutic targets identified in TACs. Treatment has become more targeted and aimed towards the pathogenesis of the conditions. The therapeutic targets range from the macroscopic and structural level down to the molecular and receptor level. The structural targets for surgical and noninvasive neuromodulation include central neuromodulation targets: posterior hypothalamus and, high cervical nerves, and peripheral neuromodulation targets: occipital nerves, sphenopalatine ganglion, and vagus nerve. In this review, we will also discuss the neuropeptide and molecular targets, in particular, calcitonin gene-related peptide, somatostatin, transient receptor potential vanilloid-1 receptor, nitric oxide, melatonin, orexin, pituitary adenylate cyclase-activating polypeptide, and glutamate.
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Affiliation(s)
- Diana Y Wei
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
| | - Rigmor H Jensen
- Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Copenhagen, Denmark
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Drossman DA, Tack J, Ford AC, Szigethy E, Törnblom H, Van Oudenhove L. Neuromodulators for Functional Gastrointestinal Disorders (Disorders of Gut-Brain Interaction): A Rome Foundation Working Team Report. Gastroenterology 2018; 154:1140-1171.e1. [PMID: 29274869 DOI: 10.1053/j.gastro.2017.11.279] [Citation(s) in RCA: 226] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 11/13/2017] [Accepted: 11/24/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Central neuromodulators (antidepressants, antipsychotics, and other central nervous system-targeted medications) are increasingly used for treatment of functional gastrointestinal disorders (FGIDs), now recognized as disorders of gut-brain interaction. However, the available evidence and guidance for the use of central neuromodulators in these conditions is scanty and incomplete. In this Rome Foundation Working Team report, a multidisciplinary team summarized available research evidence and clinical experience to provide guidance and treatment recommendations. METHODS The working team summarized the literature on the pharmacology of central neuromodulators and their effects on gastrointestinal sensorimotor function and conducted an evidence-based review on their use for treating FGID syndromes. Because of the paucity of data for FGIDs, we included data for non-gastrointestinal painful disorders and specific symptoms of pain, nausea, and vomiting. This information was combined into a final document comprising a synthesis of available evidence and recommendations for clinical use guided by the research and clinical experience of the experts on the committee. RESULTS The evidence-based review on neuromodulators in FGID, restricted by the limited available controlled trials, was integrated with open-label studies and case series, along with the experience of experts to create recommendations using a consensus (Delphi) approach. Due to the diversity of conditions and complexity of treatment options, specific recommendations were generated for different FGIDs. However, some general recommendations include: (1) low to modest dosages of tricyclic antidepressants provide the most convincing evidence of benefit for treating chronic gastrointestinal pain and painful FGIDs and serotonin noradrenergic reuptake inhibitors can also be recommended, though further studies are needed; (2) augmentation, that is, adding a second treatment (adding quetiapine, aripiprazole, buspirone α2δ ligand agents) is recommended when a single medication is unsuccessful or produces side effects at higher dosages; (3) treatment should be continued for 6-12 months to potentially prevent relapse; and (4) implementation of successful treatment requires effective communication skills to improve patient acceptance and adherence, and to optimize the patient-provider relationship. CONCLUSIONS Based on systematic and selectively focused review and the consensus of a multidisciplinary panel, we have provided summary information and guidelines for the use of central neuromodulators in the treatment of chronic gastrointestinal symptoms and FGIDs. Further studies are needed to confirm and refine these recommendations.
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Affiliation(s)
- Douglas A Drossman
- Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina; Center for Education and Practice of Biopsychosocial Care and Drossman Gastroenterology, Chapel Hill, North Carolina.
| | - Jan Tack
- Translational Research Center for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
| | - Alexander C Ford
- Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, United Kingdom; Leeds Gastroenterology Institute, St James's University Hospital, Leeds, United Kingdom
| | - Eva Szigethy
- Departments of Psychiatry and Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Hans Törnblom
- Departments of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies, Translational Research Center for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium
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Iskra DA, Lobzin VY, Kalygin SA. [Primary headache - risk factor or comorbid pathology in cognitive impairment]. Zh Nevrol Psikhiatr Im S S Korsakova 2018; 117:141-146. [PMID: 29376997 DOI: 10.17116/jnevro2017117121141-146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Currently, the relationship between headache and dementia is considered more widely than just a comorbidity. The severity of migraine and tension-type headache and the severity of cognitive impairment are strongly correlated. Common pathophysiological mechanisms underlie the relationship between primary headache and cognitive impairment. Antinociceptive changes in primary headaches and in glutamate excitotoxicity in dementia developed due to hyper excitability of NMDA receptors are strongly interdependent. It is important in the aspect of possible correction of this pathology by NMDA-antagonists. Memantine not only slows the progression of cognitive symptoms in dementia, but also significantly influences the frequency and severity of primary headache.
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Affiliation(s)
- D A Iskra
- Kirov Military Medical Academy, St. Petersburg, Russia
| | - V Yu Lobzin
- Kirov Military Medical Academy, St. Petersburg, Russia
| | - S A Kalygin
- Kirov Military Medical Academy, St. Petersburg, Russia
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14
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Abstract
Headache, an almost universal human experience, is one of the most common complaints encountered in medicine and neurology. Described and categorized since antiquity, with the first classification by Aretaeus of Cappadocia, other classifications followed. The evaluation of this condition may be straightforward or challenging, and, though often benign, headache may prove to be an ominous symptom. This review discusses the current diagnosis and classification of headache disorders and principles of management, with a focus on migraine, tension-type headache, trigeminal autonomic cephalgias, and various types of daily headache.
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Affiliation(s)
- Paul Rizzoli
- Graham Headache Center, Brigham and Women's Faulkner Hospital, Harvard Medical School, Boston, Mass
| | - William J Mullally
- Graham Headache Center, Brigham and Women's Faulkner Hospital, Harvard Medical School, Boston, Mass.
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Ferrari A, Rustichelli C, Baraldi C. Glutamate receptor antagonists with the potential for migraine treatment. Expert Opin Investig Drugs 2017; 26:1321-1330. [PMID: 29050521 DOI: 10.1080/13543784.2017.1395411] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Preclinical, clinical, and other (e.g., genetic) evidence support the concept that migraine susceptibility may at least partially result from a glutamatergic system disorder. Therefore, the receptors of the glutamatergic system are considered relatively new targets for investigational drugs to treat migraine. Investigational and established glutamate receptor antagonists (GluRAs) have been shown to possess antinociceptive properties in preclinical models of trigeminovascular nociception and have been evaluated in clinical trials. This review focuses on preclinical and clinical studies of GluRAs for the treatment of migraine. Areas covered: A PubMed database search (from 1987 to December 2016) and a review of published studies on GluRAs in migraine were conducted. Expert opinion: All published clinical trials of investigational GluRAs have been unsuccessful in establishing benefit for acute migraine treatment. Clinical trial results contrast with the preclinical data, suggesting that glutamate (Glu) does not play a decisive role after the attack has already been triggered. These antagonists may instead be useful for migraine prophylaxis. Improving patient care requires further investigating and critically analyzing the role of Glu in migraine, designing experimental models to study more receptors and their corresponding antagonists, and identifying biomarkers to facilitate trials designed to target specific subgroups of migraine patients.
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Affiliation(s)
- Anna Ferrari
- a Unit of Medical Toxicology, Headache and Drug Abuse Centre; Department of Diagnostic, Clinical and Public Health Medicine , University of Modena and Reggio Emilia , Modena , Italy
| | - Cecilia Rustichelli
- b Department of Life Sciences , University of Modena and Reggio Emilia , Modena , Italy
| | - Carlo Baraldi
- a Unit of Medical Toxicology, Headache and Drug Abuse Centre; Department of Diagnostic, Clinical and Public Health Medicine , University of Modena and Reggio Emilia , Modena , Italy
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Clark GT, Padilla M, Dionne R. Medication Treatment Efficacy and Chronic Orofacial Pain. Oral Maxillofac Surg Clin North Am 2017; 28:409-21. [PMID: 27475515 DOI: 10.1016/j.coms.2016.03.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Chronic pain in the orofacial region has always been a vexing problem for dentists to diagnose and treat effectively. For trigeminal neuropathic pain, there are 3 medications (gabapentinoids, tricyclic antidepressants, and serotonin-norepinephrine reuptake inhibitors) to use plus topical anesthetics that have therapeutic efficacy. For chronic daily headaches (often migraine in origin), 3 prophylactic medications have reasonable therapeutic efficacy (β-blockers, tricyclic antidepressants, and antiepileptic drugs). The 3 Food and Drug Administration-approved drugs for fibromyalgia (pregabalin, duloxetine, and milnacipran) are not robust, with poor efficacy. For osteroarthritis, nonsteroidal anti-inflammatory drugs have therapeutic efficacy and when gastritis contraindicates them, corticosteriod injections are helpful.
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Affiliation(s)
- Glenn T Clark
- Ostrow School of Dentistry, University of Southern California, 925 West 34th Street, Los Angeles, CA 90089, USA.
| | - Mariela Padilla
- Ostrow School of Dentistry, University of Southern California, 925 West 34th Street, Los Angeles, CA 90089, USA
| | - Raymond Dionne
- Department of Pharmacology, Brody School of Medicine, 6S19 Brody Medical Science Building, 600 Moye Boulevard, East Carolina University, Schools of Medicine and Dental Medicine, Greenville, NC 27834-4354, USA
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Wells RE, Turner DP, Lee M, Bishop L, Strauss L. Managing Migraine During Pregnancy and Lactation. Curr Neurol Neurosci Rep 2016; 16:40. [PMID: 27002079 DOI: 10.1007/s11910-016-0634-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
While over half of women with migraine report improvement during pregnancy, having a history of migraine may increase the chance of negative health outcomes. The state of pregnancy increases the risk of several dangerous secondary headache disorders, especially those associated with hypertensive disorders of pregnancy, and providers need to know the red flags to diagnose and treat emergently. Non-pharmacological migraine treatments can be instituted in advance of pregnancy as many are considered the safest options during pregnancy, but understanding the safety of medications and dietary supplements ensures appropriate care for the refractory migraine patient. New controversy exists over the safety of several historically routine and safe migraine treatment options in pregnancy, such as magnesium, acetaminophen, ondansetron, and butalbital. While it is not clear if breastfeeding decreases the postpartum recurrence of migraine, understanding safe treatment options during lactation can allow women to continue breastfeeding while achieving migraine relief.
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Affiliation(s)
- Rebecca Erwin Wells
- Department of Neurology, Wake Forest Baptist Health, Medical Center Blvd, Winston-Salem, NC, 27157, USA.
| | - Dana P Turner
- Department of Anesthesiology, Wake Forest Baptist Health, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Michelle Lee
- Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Laura Bishop
- Department of Neurology, Wake Forest Baptist Health, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Lauren Strauss
- Department of Neurology, Wake Forest Baptist Health, Medical Center Blvd, Winston-Salem, NC, 27157, USA
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18
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Gasparini CF, Smith RA, Griffiths LR. Genetic insights into migraine and glutamate: a protagonist driving the headache. J Neurol Sci 2016; 367:258-68. [PMID: 27423601 DOI: 10.1016/j.jns.2016.06.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 05/11/2016] [Accepted: 06/08/2016] [Indexed: 12/12/2022]
Abstract
Migraine is a complex polygenic disorder that continues to be a great source of morbidity in the developed world with a prevalence of 12% in the Caucasian population. Genetic and pharmacological studies have implicated the glutamate pathway in migraine pathophysiology. Glutamate profoundly impacts brain circuits that regulate core symptom domains in a range of neuropsychiatric conditions and thus remains a "hot" target for drug discovery. Glutamate has been implicated in cortical spreading depression (CSD), the phenomenon responsible for migraine with aura and in animal models carrying FHM mutations. Genotyping case-control studies have shown an association between glutamate receptor genes, namely, GRIA1 and GRIA3 with migraine with indirect supporting evidence from GWAS. New evidence localizes PRRT2 at glutamatergic synapses and shows it affects glutamate signalling and glutamate receptor activity via interactions with GRIA1. Glutamate-system defects have also been recently implicated in a novel FHM2 ATP1A2 disease-mutation mouse model. Adding to the growing evidence neurophysiological findings support a role for glutamate in cortical excitability. In addition to the existence of multiple genes to choreograph the functions of fast-signalling glutamatergic neurons, glutamate receptor diversity and regulation is further increased by the post-translational mechanisms of RNA editing and miRNAs. Ongoing genetic studies, GWAS and meta-analysis implicate neurogenic mechanisms in migraine pathology and the first genome-wide associated locus for migraine on chromosome X. Finally, in addition to glutamate modulating therapies, the kynurenine pathway has emerged as a candidate for involvement in migraine pathophysiology. In this review we discuss recent genetic evidence and glutamate modulating therapies that bear on the hypothesis that a glutamatergic mechanism may be involved in migraine susceptibility.
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Affiliation(s)
- Claudia F Gasparini
- Menzies Health Institute Queensland, Griffith University Gold Coast, Parklands Drive, Southport, QLD 4222, Australia
| | - Robert A Smith
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD 4059, Australia
| | - Lyn R Griffiths
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD 4059, Australia.
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Bu F, Du R, Li Y, Quinn JP, Wang M. NR2A contributes to genesis and propagation of cortical spreading depression in rats. Sci Rep 2016; 6:23576. [PMID: 27001011 PMCID: PMC4802317 DOI: 10.1038/srep23576] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 03/08/2016] [Indexed: 11/09/2022] Open
Abstract
Cortical spreading depression (CSD) is a transient propagating excitation of synaptic activity followed by depression, which is implicated in migraine. Increasing evidence points to an essential role of NR2A-containing NMDA receptors in CSD propagation in vitro; however, whether these receptors mediate CSD genesis in vivo requires clarification and the role of NR2A on CSD propagation is still under debate. Using in vivo CSD in rats with electrophysiology and in vitro CSD in chick retina with intrinsic optical imaging, we addressed the role of NR2A in CSD. We demonstrated that NVP-AAM077, a potent antagonist for NR2A-containing receptors, perfused through microdialysis probes, markedly reduced cortex susceptibility to CSD, but also reduced magnitude of CSD genesis in rats. Additionally, NVP-AAM077 at 0.3 nmol perfused into the contralateral ventricle, considerably suppressed the magnitude of CSD propagation wave and propagation rate in rats. This reduction in CSD propagation was also observed with TCN-201, a negative allosteric modulator selective for NR2A, at 3 μM, in the chick retina. Our data provides strong evidence that NR2A subunit contributes to CSD genesis and propagation, suggesting drugs selectively antagonizing NR2A-containing receptors might constitute a highly specific strategy treating CSD associated migraine with a likely better safety profile.
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Affiliation(s)
- Fan Bu
- Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China.,Centre for Neuroscience, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China
| | - Ruoxing Du
- Centre for Neuroscience, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China
| | - Yi Li
- Department of Applied Chemistry, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China
| | - John P Quinn
- Department of Molecular and Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, Liverpool, L69 7ZB, UK
| | - Minyan Wang
- Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China.,Centre for Neuroscience, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China
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