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Golomb BA, Han JH, Fung A, Berg BK, Miller BJ, Hamilton G. Bioenergetic impairment in Gulf War illness assessed via 31P-MRS. Sci Rep 2024; 14:7418. [PMID: 38548808 PMCID: PMC10979028 DOI: 10.1038/s41598-024-57725-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/21/2024] [Indexed: 04/01/2024] Open
Abstract
Time for post-exercise phosphocreatine-recovery (PCr-R), deemed a robust index of mitochondrial function in vivo, was previously reported to be elevated (signifying impaired ATP production) in veterans with Gulf War illness (GWI). Here we sought to replicate the finding and assess the impact of contravening previous eligibility requirements. The replication sample comprised white males. Cases reported ≥ moderate muscle-weakness to match the organ assessed to an organ affected; controls lacked recent headache or multiple symptoms. The expansion sample added cases without muscle-weakness, controls with recent headache, females, nonwhites. PCr-R, following pedal-depression-exercise, was compared in veterans with GWI versus controls (sample N = 38). In the replication sample, PCr-R results closely matched the prior report: PCr-R veterans with GWI mean(SD) = 47.7(16.5); control mean(SD) = 30.3(9.2), p = 0.017. (Prior-study PCr-R veterans with GWI mean(SD) = 46.1(17.9), control mean(SD) = 29.0(8.7), p = 0.023. Combined replication + prior samples: p = 0.001.) No case-control difference was observed in the expansion sample. In cases, PCr-R related to muscle-weakness: PCr-R = 29.9(7.1), 38.2(8.9), 47.8(15.2) for muscle-weakness rated none/low, intermediate, and high respectively (p for trend = 0.02), validating desirability of matching tissue assessed to tissue affected. In controls, headache/multiple symptoms, sex, and ethnicity each mattered (affecting PCr-R significantly). This study affirms mitochondrial/bioenergetic impairment in veterans with GWI. The importance of careful case/control selection is underscored.
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Affiliation(s)
- Beatrice Alexandra Golomb
- Department of Medicine, University of California, San Diego, 9500 Gilman Drive # 0995, La Jolla, CA, 92093-0995, USA.
| | - Jun Hee Han
- Department of Medicine, University of California, San Diego, 9500 Gilman Drive # 0995, La Jolla, CA, 92093-0995, USA
| | - Alexander Fung
- Department of Medicine, University of California, San Diego, 9500 Gilman Drive # 0995, La Jolla, CA, 92093-0995, USA
- Clement Park Dental Care, Littleton, CO, 80123, USA
| | - Brinton Keith Berg
- Department of Medicine, University of California, San Diego, 9500 Gilman Drive # 0995, La Jolla, CA, 92093-0995, USA
| | - Bruce J Miller
- Department of Medicine, University of California, San Diego, 9500 Gilman Drive # 0995, La Jolla, CA, 92093-0995, USA
| | - Gavin Hamilton
- Department of Radiology, University of California, San Diego, La Jolla, CA, 92093, USA
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2
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Basedau H, Ornello R, Matteis ED, Davaasuren B, Kadyrova B, Vuralli D, Bozhenko M, Azizova I, Bitsadze N, Eralieva E, Ashina M, Mitsikostas D, Puledda F. Placebo and nocebo in the treatment of migraine: How much does real world effectiveness depend on contextual effects? Cephalalgia 2023; 43:3331024231218392. [PMID: 38041833 DOI: 10.1177/03331024231218392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
Abstract
PURPOSE Treatments in medicine impact individuals beyond their intended effects, due to phenomena such as the placebo and nocebo effects. The placebo effect arises from the positive expectation of a treatment being beneficial, while the nocebo effect stems from the negative expectation of a treatment causing harm. Both in real-world practice and clinical trials, treatments can lead to outcomes unrelated to their intended mechanism of action, which we categorize as placebo and nocebo responses. These responses, combined with the inherent fluctuation in a condition's natural progression, regression to the mean, and random comorbidities, make up a significant part of the therapeutic experience. Particularly in pain management, placebo and nocebo effects play a substantial role. By addressing modifiable contextual factors such as patient expectations, lifestyle choices, and the therapeutic relationship, healthcare providers can enhance the effectiveness of migraine treatments, paving the way for a more comprehensive, individualized approach to patient care. We must also consider non-modifiable factors like personal experiences, beliefs, and information from social media and the internet. CONCLUSION This review offers a summary of our current understanding of the placebo and nocebo effects in migraine management.
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Affiliation(s)
- Hauke Basedau
- Department of Systems Neuroscience, University Medical Center Hamburg- Eppendorf, Hamburg, Germany
| | - Raffaele Ornello
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Eleonora De Matteis
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | | | - Begimai Kadyrova
- Department of Special Clinical Disciplines, International School of Medicine of International University of Kyrgyzstan, Bishkek, Kyrgyzstan
| | - Doga Vuralli
- Department of Neurology and Algology, Neuropsychiatry Center, Neuroscience and Neurotechnology Center of Excellence (NÖROM), Gazi University, Ankara, Turkey
| | - Myroslav Bozhenko
- Department of Neurology, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Ilaha Azizova
- Neurological Clinic "New Medical Technologies", Baku, Azerbaijan
| | | | | | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Dimos Mitsikostas
- Department of Neurology Α, Aegintion Hospital, National and Kapidistrian University of Athens, Athens, Greece
| | - Francesca Puledda
- Headache Group, Wolfson SPaRC, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Dhanasekara CS, Payberah D, Chyu JY, Shen CL, Kahathuduwa CN. The effectiveness of botulinum toxin for chronic tension-type headache prophylaxis: A systematic review and meta-analysis. Cephalalgia 2023; 43:3331024221150231. [PMID: 36786349 DOI: 10.1177/03331024221150231] [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: 02/15/2023]
Abstract
BACKGROUND A systematic and meta-analysis was conducted to examine the evidence of the effects of botulinum toxin A on chronic tension-type headache. METHODS Cochrane, Embase, Ovid, ProQuest, PubMed, Scopus, Web-of-Science databases, and ClinicallTrials.gov registry were systematically searched for studies examining the effects of botulinum toxin A on tension-type headaches. The records were screened by two independent reviewers using pre-determined eligibility criteria. DerSimonian Liard random-effects meta-analyses were performed using the 'meta' package (5.2-0) in R (4.2.0). Risk of bias and quality of evidence were assessed using the Cochrane Collaboration's Tool RoB 2 and Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) methodology. Clinical significance was determined using pre-defined minimal clinically important differences. RESULTS Eleven controlled trials were included (390 botulinum toxin A, 297 controls). Botulinum toxin A was associated with significant improvements in standardized headache intensity (-0.502 standard deviations [-0.945, -0.058]), headache frequency (-2.830 days/month [-4.082, -1.578]), daily headache duration (-0.965 [-1.860, -0.069]) and the frequency of acute pain medication use (-2.200 days/month [-3.485, -0.915]) vs controls. Botulinum toxin A-associated improvements exceeded minimal clinically important differences for headache intensity, frequency, and acute pain medication use. A 79% (28%, 150%) greater response rate was observed for botulinum toxin A vs controls in improving chronic tension-type headache. Treatment of eight chronic tension-type headache patients was sufficient to elicit a therapeutic response in one patient. CONCLUSIONS Corroborating the current mechanistic evidence, our meta-analysis supports the utility of botulinum toxin A for managing chronic tension-type headaches. However, due to limitations in the quality of evidence, adequately-powered high-quality controlled trials examining the effects of Botulinum toxin A on chronic tension-type headache are warranted. REGISTRATION Protocol preregistered in PROSPERO International Prospective Register of Systematic Reviews (CRD42020178616).
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Affiliation(s)
- Chathurika S Dhanasekara
- Department of Surgery, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Daniel Payberah
- School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Joanna Y Chyu
- School of Medicine, University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Chwan-Li Shen
- Department of Pathology, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Chanaka N Kahathuduwa
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Psychiatry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA.,Department of Neurology, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
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4
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Oh SY, Kang JJ, Kim S, Lee JM, Kim JS, Dieterich M. A preliminary trial of botulinum toxin type A in patients with vestibular migraine: A longitudinal fMRI study. Front Neurol 2022; 13:955158. [PMID: 35959394 PMCID: PMC9358216 DOI: 10.3389/fneur.2022.955158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 06/27/2022] [Indexed: 11/25/2022] Open
Abstract
Objective This study aims to investigate the efficacy of botulinum toxin type A (BTX-A) in the prophylactic management of vestibular migraine (VM) and to determine whether this treatment modulates intrinsic functional brain network. Methods Vestibular migraine patients (n = 20, mean age 45.4 years) who were resistant to conventional prophylactic therapies had BTX-A injection and rs-fMRI before and 2 months after the injection. We also measured the changes in the frequency of vertigo and migraine attacks, symptomatic functional disability scores, and neuropsychiatric inventories. Results After BTX-A injection, the mean monthly frequencies of migraine and vertigo episodes decreased significantly compared with the baseline (p < 0.01, paired t-test). The Headache Impact Test-6 score and the Migraine Disability Assessment, and the vertigo parameters, measured by the Dizziness Handicap Inventory and the Vertigo Symptom Scale, showed an improvement, as did the anxiety and depression scores 2 months after BTX-A treatment. The low-frequency fluctuation analysis of the rs-fMRI data found significant changes in the functional connectivity of the right superior temporal gyrus. Adoption of this cluster as the seed region increased the functional connectivity with the left post-central gyrus, right supramarginal gyrus, and right middle temporal gyrus after BTX-A treatment. Conclusion This prospective study suggests that BTX-A treatment is effective at ameliorating migraine and vertigo symptoms in VM patients who were resistant to conventional therapies. Along with symptomatic improvements, changes in the functional connectivity within the multisensory vestibular and pain networks suggest a dysmodulation of multimodal sensory integration and abnormal cortical processing of the vestibular and pain signals in VM patients.
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Affiliation(s)
- Sun-Young Oh
- Department of Neurology, Jeonbuk National University Hospital and School of Medicine, Jeonju-si, South Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju-si, South Korea
- *Correspondence: Sun-Young Oh
| | - Jin-Ju Kang
- Department of Neurology, Jeonbuk National University Hospital and School of Medicine, Jeonju-si, South Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Sohui Kim
- Department of Electronic Engineering, Hanyang University, Seoul, South Korea
| | - Jong-Min Lee
- Department of Biomedical Engineering, Hanyang University, Seoul, South Korea
- Jong-Min Lee
| | - Ji-Soo Kim
- Department of Neurology, Seoul National University College of Medicine, Seoul, South Korea
- Department of Neurology, Dizziness Center, Clinical Neuroscience Center, Seoul National University Bundang Hospital, Seongnam-si, South Korea
| | - Marianne Dieterich
- Department of Neurology, University Hospital, Ludwig-Maximilians-Universität, Munich, Germany
- German Center for Vertigo and Balance Disorders, University Hospital, Ludwig-Maximilians-Universität, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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Prasad S, Mehadi A, Kaka N, Jhaveri S, Avanthika C, Patel N, Augustine I, Issani A. Diagnostic protocols and newer treatment modalities for cluster headache. Dis Mon 2022; 68:101316. [PMID: 35000758 DOI: 10.1016/j.disamonth.2021.101316] [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: 10/19/2022]
Abstract
Cluster Headaches are one of the most arguably severe forms of primary headache syndrome that affects humans. Although it is relatively uncommon, it has a significant impact on the quality of life. It is a multifactorial disease that has risk factors ranging from seasonal changes, lifestyle habits to genetics. It occurs in 2 forms- Episodic and Chronic, each having its well-defined Diagnostic Criteria. Moreover, Cluster Headache has an exhaustive list of options for both Preventive and Abortive treatment. This article focuses on Cluster Headache, its pathophysiology, risk factors, differentials, and its diverse treatment modalities. In this study, an all-language literature search was conducted on Medline, Cochrane, Embase, and Google Scholar till October 2021. The following search strings and Medical Subject Headings (MeSH) terms were used: "Cluster Headache," "Triptans," "Neuromodulation," and "Migraine." We explored the literature on Cluster Headache for its epidemiology, pathophysiology, the role of various genes and how they bring about the disease as well as its episodic and chronic variants, and treatment options. Although we have a wide variety of options for Preventive and Abortive therapy, newer more effective pharmacological and non-pharmacological interventions are being developed, and must be integrated into new treatment protocols.
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Affiliation(s)
- Sakshi Prasad
- Faculty of Medicine, National Pirogov, Memorial Medical University, 21018, Vinnytsya, Ukraine.
| | | | - Nirja Kaka
- GMERS Medical College, Himmatnagar 383001, Gujarat, India.
| | - Sharan Jhaveri
- Smt. NHL Municipal Medical college, Ahmedabad 380006, India.
| | - Chaithanya Avanthika
- Karnataka Institute of Medical Sciences,PB Road, Hubli 580022, Karnataka, India.
| | - Neil Patel
- GMERS Medical College, Himmatnagar 383001, Gujarat, India.
| | - Ivan Augustine
- Government Medical college Thrissur 680596, Kerala,India.
| | - Ali Issani
- Baqai Medical University, Karachi, Pakistan.
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Argyriou AA, Mitsikostas DD, Mantovani E, Vikelis M, Tamburin S. Beyond chronic migraine: a systematic review and expert opinion on the off-label use of botulinum neurotoxin type-A in other primary headache disorders. Expert Rev Neurother 2021; 21:923-944. [PMID: 34289791 DOI: 10.1080/14737175.2021.1958677] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Botulinum neurotoxin type-A (BoNTA) is licensed for the treatment of chronic migraine (CM), but it has been tested off-label as a therapeutic choice in other primary headaches (PHs). We aimed to provide a systematic review and expert opinion on BoNTA use in PHs, beyond CM.Areas covered: After providing an overview on PHs and mechanism of BoNTA action, we report the results of a systematic review, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) recommendations, of BoNTA therapeutic trials in PHs beyond CM. Studies and results were reviewed and discussed, and levels of evidence were graded. We also collected data on relevant ongoing trials.Expert opinion: Although there are contradictory findings on PHs other than CM, BoNTA may represent a therapeutic option for patients who do not respond to conventional prophylactic treatments. Based on limited available evidence, BoNTA may be considered in refractory tension-type headache, trigeminal autonomic cephalalgias, primary stabbing headache, nummular headache, hypnic headache, and new daily persistent headache, after the primary nature of cephalalgia has been documented and other drugs have failed. Experienced physicians in BoNTA treatment are required to guide the therapeutic protocol for each patient to optimize good and safe outcomes.
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Affiliation(s)
- Andreas A Argyriou
- Headache Outpatient Clinic, Department of Neurology, Saint Andrew's State General Hospital of Patras, Greece
| | - Dimos-Dimitrios Mitsikostas
- 1st Department of Neurology, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Elisa Mantovani
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | | | - Stefano Tamburin
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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7
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Cheng F, Ahmed F. OnabotulinumtoxinA for the prophylactic treatment of headaches in adult patients with chronic migraine: a safety evaluation. Expert Opin Drug Saf 2021; 20:1275-1289. [PMID: 34187265 DOI: 10.1080/14740338.2021.1948531] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction: Existing oral prophylaxis for chronic migraine (CM) are often ineffective or poorly tolerated. OnabotulinumtoxinA (onabotA) is approved for headache prophylaxis in CM and ameliorates headaches in patients refractory to multiple preventatives.Areas covered: We appraise evidence regarding action mechanisms, pharmacodynamics, and pharmacokinetics of onabotA in CM prophylaxis. We critically evaluate salient clinical and real-world studies demonstrating its efficacy in improving multiple aspects of CM. We discuss onabotA safety, tolerability, and adverse events (AEs) for CM prophylaxis from clinical trials, post-authorization studies and meta-analyses, including novel pregnancy safety data and comparisons with oral prophylactics. We explore areas of future interest, particularly onabotA safety and efficacy in the context of novel antibody-based prophylaxis.Expert opinion: Clinical and real-world evidence demonstrate onabotA safety, tolerability and efficacy for CM prophylaxis. Most AEs are mild/moderate and self-limiting, with few serious AEs and no treatment-related deaths. Common AEs include neck pain, ptosis, muscle weakness, and stiffness. Modifying existing responder-criteria enables more patients to benefit from onabotA. OnabotA shows superior safety and efficacy to oral preventatives, and appears safe in pregnancy. Future pregnancy-risk register will clarify pregnancy and lactation safety further. Future research comparing onabotA safety and efficacy with newly emergent antibody-based prophylaxis is keenly awaited.
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Affiliation(s)
- Fan Cheng
- Department of Neurosciences, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Fayyaz Ahmed
- Department of Neurosciences, Hull University Teaching Hospitals NHS Trust, Hull, UK
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8
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Liampas I, Siokas V, Brotis A, Mentis AFA, Aloizou AM, Dastamani M, Tsouris Z, Lima M, Dardiotis E. Endogenous melatonin levels and therapeutic use of exogenous melatonin in tension type headache: A systematic review. Rev Neurol (Paris) 2021; 177:871-880. [PMID: 34167809 DOI: 10.1016/j.neurol.2021.01.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/14/2021] [Accepted: 01/15/2021] [Indexed: 01/07/2023]
Abstract
BACKGROUND-PURPOSE A bidirectional relationship appears to connect tension-type headache (TTH) and circadian dysregulation. The present systematic review examined the published evidence for melatonin (MT) supplementation in the prophylaxis of TTH. Initially, we reviewed case-control studies investigating nocturnal MT or 6-sulphatoxymelatonin (aMT6s, a urine-discarded metabolite) in TTH individuals and healthy controls (HC). Secondly, we reviewed studies appraising the use of MT in the prevention of TTH. METHODS The search strategy involved MEDLINE EMBASE, CENTRAL, PsycINFO, trial registries, Google Scholar and OpenGrey. Case-control studies were appraised according to the Newcastle-Ottawa-Scale, whereas randomised controlled trials were assessed based on the risk-of-bias Cochrane tool. Infrequent, as well as frequent, episodic, and chronic TTH patients were evaluated separately in children and adults. RESULTS Our search strategy yielded two case-control studies. One (high-quality) did not reveal any difference in morning salivary MT concentration between children with frequent episodic TTH and HC. The second (moderate-quality) was indicative of a disturbed nocturnal secretion pattern in adults with chronic TTH. For the second part, five uncontrolled studies were retrieved. In total, 94 adults with chronic TTH were assessed and results were suggestive of a beneficial effect of MT on headache frequency, intensity, induced disability, and induced analgesic consumption. However, the uncontrolled-unblinded designs may have induced an important placebo effect. Non-adult populations and frequent TTH were substantially understudied. CONCLUSIONS There are not enough studies to designate the role of MT in the prevention of TTH. Given the disease's background, additional relevant research is warranted for chronic TTH.
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Affiliation(s)
- I Liampas
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece.
| | - V Siokas
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
| | - A Brotis
- Department of Neurosurgery, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece
| | - A-F A Mentis
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece; Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece
| | - A-M Aloizou
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
| | - M Dastamani
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
| | - Z Tsouris
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
| | - M Lima
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
| | - E Dardiotis
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Biopolis, Mezourlo Hill, 41100 Larissa, Greece
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Roland SB, Pripp AH, Msomphora MR, Kvarstein G. The efficacy of botulinum toxin A treatment for tension-type or cervicogenic headache: a systematic review and meta-analysis of randomized, placebo-controlled trials. Scand J Pain 2021; 21:635-652. [PMID: 34090319 DOI: 10.1515/sjpain-2021-0038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 05/04/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVES The pathogeneses of chronic tension-type headache (CTTH) and cervicogenic headache (CEH) are not well established. Peripheral activation or sensitization of myofascial nociceptors is suggested as a potential mechanism and injections of botulinum toxin (BONTA) have thus been used in the treatment for both headache conditions. BONTA inhibits the release of acetylcholine at the neuromuscular junction and inhibits contraction of skeletal muscles. If the pain is precipitated by increased tone in cervical muscles, local injections of BONTA could represent a prophylactic measure. However, the treatment is still controversial, and a thorough assessment of the current evidence is required. This review aims to assess the evidence of BONTA injection as a prophylactic treatment for CTTH and CEH by reviewing and examining the quality of placebo-controlled, randomized trials. METHODS Data sources: we searched in the following databases: PubMed (including Medline), Embase, Cochrane Central register of Controlled Trials, Cinahl, Amed, SCOPUS and Google Scholar including other repository sources. Both MeSH and free keywords were used in conducting the systematic search in the databases. The search covered publications from the root of the databases to November 2020. STUDY ELIGIBILITY CRITERIA The review included RCTs, comparing single treatment of BONTA with placebo on patients with CTTH or CEH above 18 years of age, by measuring pain severity/relief or headache frequency. DATA EXTRACTION The following data were extracted: year of publication, country, setting, trial design, number of participants, injection procedure, BONTA dosages, and clinical outcome measures. STUDY APPRAISAL To assess validity and quality, and risk of bias, the Oxford Pain Validity Scale, Modified Jadad Scale, last version of Cochrane Collaboration's tool for assessing risk of bias (RoB 2), and the CONSORT 2010 Checklist were used. The trials were assessed, and quality scored independently by two of the reviewers. A quantitative synthesis and meta-analyses of headache frequency and intensity were performed. RESULTS We extracted 16 trials, 12 on prophylactic BONTA treatment for CTTH and four on CEH. Of these 12 trials (8 on CTTH and 4 on CEH) were included in the quantitative synthesis. A majority of the trials found no significant difference on the primary outcome measure when BONTA treatment was compared with placebo. Three "positive" trials, reporting significant difference in favor of BONTA treatment, but two of these were hampered by low validity and quality scores and high risk of bias. CONCLUSIONS There is no clear clinical evidence supporting prophylactic treatment with BONTA for CTTH or CEH.
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Affiliation(s)
- Sissel Breivold Roland
- Department of Orthopedics, Finnmark Hospital Trust, Hammerfest, Norway.,Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.,Pain Clinic, Division of Surgical Medicine and Intensive Care, University Hospital of North Norway, Tromsø, Norway
| | - Are Hugo Pripp
- Oslo Centre of Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Oslo, Norway
| | - Mbachi Ruth Msomphora
- Research and Publishing Support, Department of Library services, UiT The Arctic University of Norway, Tromsø, Norway
| | - Gunnvald Kvarstein
- Pain Clinic, Division of Surgical Medicine and Intensive Care, University Hospital of North Norway, Tromsø, Norway.,Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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10
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Blumenfeld AM, Silberstein SD. Response to "Modifications to the PREEMPT Protocol for OnabotulinumtoxinA Injections for Chronic Migraine in Clinical Practice". Headache 2020; 60:2597-2599. [PMID: 33107587 PMCID: PMC7756747 DOI: 10.1111/head.13996] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 10/01/2020] [Indexed: 12/27/2022]
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11
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Wang YF. OnabotulinumtoxinA injection in the treatment of chronic migraine. PROGRESS IN BRAIN RESEARCH 2020; 255:171-206. [PMID: 33008506 DOI: 10.1016/bs.pbr.2020.05.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 04/29/2020] [Accepted: 05/01/2020] [Indexed: 12/19/2022]
Abstract
The earliest descriptions of botulism were in the early 19th century, and was reported by the German physician Justinus Kerner. The term "botulism" was derived from the Latin word botulus, indicating its original association with sausages. It took another 150 years or so to come into clinical use. The first clinical application was strabismus, and was developed by the American ophthalmologist Alan B. Scott, whose effort led to the pharmaceutical product known as onabotulinumtoxinA today. The therapeutic benefit in migraine was an incidental finding in a report by the American plastic surgeon William J. Binder, which inspired a series of clinical studies in headache disorders. The doses and injection techniques in the earlier reports were variable, so were the results. It was until the Phase III REsearch Evaluating Migraine Prophylaxis Therapy (PREEMPT) 1 and 2 studies when its efficacy and safety, as well as the indication, i.e., chronic migraine (CM), were ascertained. Even though there were criticisms regarding the heterogeneities in the results between the PREEMPT 1 and 2 studies, the data on efficacy endpoints and safety were generally consistent, which were subsequently confirmed by the open-label extension of the PREEMPT 1 and 2 studies, and three open-label studies, namely the Chronic Migraine OnabotulinuMtoxinA Prolonged Efficacy open Label (COMPEL), the REal-life use of botulinum toxin for the symptomatic treatment of adults with chronic migraine, measuring healthcare resource utilization, and Patient-reported OutcomeS observed in practice (REPOSE) studies, and the CM Post-Authorization Safety Study (CM PASS) studies. On the other hand, the results were challenged by the Chronification and Reversibility of Migraine (CHARM) study, which involved CM patients with medication overuse. It was concluded that the clinical improvement was attributed to early withdrawal of the overused acute medications, rather than onabotulinumtoxinA injections. However, fundamental differences in the patient profile and methodology between the CHARM and PREEMPT studies existed, and cautious should be exercised when interpreting and comparing the results. According to the practical guidelines and reimbursement regulations in many countries, its use is limited to CM patients, and is reserved for those who fail at least 2-3 preventive medications, due to either lack of efficacy or intolerability. Cessation of treatment is recommended in patients who do not respond to 2-3 injection cycles, or in patients whose headache frequency has dropped to <10-15 days a month. Even in the era of calcitonin-gene-related peptide monoclonal antibodies, onabotulinumtoxinA injection remains a treatment option of reasonable cost-effectiveness in carefully selected patients.
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Affiliation(s)
- Yen-Feng Wang
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan; Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan.
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Jia C, Lucchese S, Zhang F, Govindarajan R. The Role of Onabotulinum Toxin Type A in the Management of Chronic Non-migraine Headaches. Front Neurol 2019; 10:1009. [PMID: 31616362 PMCID: PMC6763695 DOI: 10.3389/fneur.2019.01009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 09/04/2019] [Indexed: 11/30/2022] Open
Abstract
Objectives: FDA has approved Onabotulinum toxin type A (BoNTA) for prophylactic treatment of chronic migraines. Recent studies have explored its potential new indications, like treating post-traumatic headaches. Patients and Methods: This is a retrospective chart review of 717 patients, who had failed at least two prophylactic treatments and received BoNTA injections at University of Missouri Hospital from July 2014 to June 2017. Patient demographics, headache type, associated symptoms, prophylaxes tried were reported. Patient's pain severity (numeric pain scale) and frequency (number of headache days/month) pretreatment, at 6 months, and at 12 months were collected. Results: For a single headache type, post-traumatic headaches showed reduction in headache pain severity at 6 months (2.9 ± 0.7) compared to pre-treatment (7 ± 0.7). Headache frequency for post-traumatic headaches was also reduced at 6 months (10.6 ± 2.3) and 12 months (5.1 ± 1.2) compared to pre-treatment (25 ± 1.8). For pseudotumor cerebri headaches, pain severity at pretreatment was 6.4 ± 0.6 compared to 2 ± 0.8 at 6 months, and headache days reduced at 6 months (9.8 ± 2.5) and 12 months (6 ± 4) compared to pretreatment (26 ± 2.9). Opioid use reduced by 67 ± 55.4 at 6 months and 133.3 ± 106.6 at 12 months in morphine equivalent units. Conclusions: Onabotulinum toxin type A is effective in treating multiple types of chronic non-migraine headaches.
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Freund B, Rao A. Efficacy of Botulinum Toxin in Tension‐Type Headaches: A Systematic Review of the Literature. Pain Pract 2019; 19:541-551. [DOI: 10.1111/papr.12773] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/21/2019] [Accepted: 02/03/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Brin Freund
- The Department of Neurology Johns Hopkins Hospital Baltimore Maryland U.S.A
| | - Aruna Rao
- The Department of Neurology Johns Hopkins Hospital Baltimore Maryland U.S.A
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Monocentric Prospective Study into the Sustained Effect of Incobotulinumtoxin A (XEOMIN ®) Botulinum Toxin in Chronic Refractory Migraine. Toxins (Basel) 2018; 10:toxins10060221. [PMID: 29857565 PMCID: PMC6024863 DOI: 10.3390/toxins10060221] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/28/2018] [Accepted: 05/28/2018] [Indexed: 12/21/2022] Open
Abstract
Refractory chronic migraine is a disabling disorder impacting quality of life. BOTOX® (Onabotulinumtoxin A) is approved as a prophylactic treatment of chronic migraine in patients unresponsive to at least three prior preventive treatments. The objective of this study was to determine the prophylactic effect of 145 U XEOMIN® (Incobotulinumtoxin A) injected at 31 specific sites in adult patients with refractory chronic migraine. Sixty-one patients (8 men and 53 women, mean age 50) with migraine were recruited, including 20 patients with isolated chronic migraine, 18 patients with chronic migraine associating tension-type headache, 12 patients with migraine associating medication overuse headache, and 11 patients with episodic disabling migraine. The mean number of injections and duration of treatment per patient was 3.5 (range 2–13) and 21 (6–68) months, respectively. From baseline to first injection, 44 patients (73%) had >50% reduction in frequency of migraine episodes, 29 patients (48%) showed >50% reduction in number of headache days, and 28 patients (46%) had a >50% reduction in drug intake. Stable response for all three parameters was observed after the last injection. XEOMIN® thus seems to represent an effective and sustained prophylactic treatment of chronic migraine.
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Fonfria E, Maignel J, Lezmi S, Martin V, Splevins A, Shubber S, Kalinichev M, Foster K, Picaut P, Krupp J. The Expanding Therapeutic Utility of Botulinum Neurotoxins. Toxins (Basel) 2018; 10:E208. [PMID: 29783676 PMCID: PMC5983264 DOI: 10.3390/toxins10050208] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/15/2018] [Accepted: 05/16/2018] [Indexed: 12/11/2022] Open
Abstract
Botulinum neurotoxin (BoNT) is a major therapeutic agent that is licensed in neurological indications, such as dystonia and spasticity. The BoNT family, which is produced in nature by clostridial bacteria, comprises several pharmacologically distinct proteins with distinct properties. In this review, we present an overview of the current therapeutic landscape and explore the diversity of BoNT proteins as future therapeutics. In recent years, novel indications have emerged in the fields of pain, migraine, overactive bladder, osteoarthritis, and wound healing. The study of biological effects distal to the injection site could provide future opportunities for disease-tailored BoNT therapies. However, there are some challenges in the pharmaceutical development of BoNTs, such as liquid and slow-release BoNT formulations; and, transdermal, transurothelial, and transepithelial delivery. Innovative approaches in the areas of formulation and delivery, together with highly sensitive analytical tools, will be key for the success of next generation BoNT clinical products.
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Affiliation(s)
- Elena Fonfria
- Ipsen Bioinnovation, 102 Park Drive, Milton Park, Abingdon, Oxfordshire OX14 4RY, UK.
| | - Jacquie Maignel
- Ipsen Innovation, 5 Avenue du Canada, 91940 Les Ulis, France.
| | - Stephane Lezmi
- Ipsen Innovation, 5 Avenue du Canada, 91940 Les Ulis, France.
| | - Vincent Martin
- Ipsen Innovation, 5 Avenue du Canada, 91940 Les Ulis, France.
| | - Andrew Splevins
- Ipsen Bioinnovation, 102 Park Drive, Milton Park, Abingdon, Oxfordshire OX14 4RY, UK.
| | - Saif Shubber
- Ipsen Biopharm Ltd., Wrexham Industrial Estate, 9 Ash Road, Wrexham LL13 9UF, UK.
| | | | - Keith Foster
- Ipsen Bioinnovation, 102 Park Drive, Milton Park, Abingdon, Oxfordshire OX14 4RY, UK.
| | - Philippe Picaut
- Ipsen Bioscience, 650 Kendall Street, Cambridge, MA 02142, USA.
| | - Johannes Krupp
- Ipsen Innovation, 5 Avenue du Canada, 91940 Les Ulis, France.
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Do TP, Hvedstrup J, Schytz HW. Botulinum toxin: A review of the mode of action in migraine. Acta Neurol Scand 2018; 137:442-451. [PMID: 29405250 DOI: 10.1111/ane.12906] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2018] [Indexed: 12/30/2022]
Abstract
Botulinum toxin serotype A (BoNT/A) was originally used in neurology for the treatment of dystonia and blepharospasms, but is now clinically used worldwide for the treatment of chronic migraine. Still, the possible mode of action of BoNT/A in migraine is not fully known. However, the mode of action of BoNT/A has been investigated in experimental pain as well as migraine models, which may elucidate the underlying mechanisms in migraine. The aim of this study was to review studies on the possible mode of action of BoNT/A in relation to chronic migraine treatment. Observations suggest that the mode of action of BoNT/A may not be limited to the injection site, but also includes anatomically connected sites due to axonal transport. The mechanisms behind the effect of BoNT/A in chronic migraine may also include modulation of neurotransmitter release, changes in surface expression of receptors and cytokines as well as enhancement of opioidergic transmission. Clinical and experimental studies with botulinum toxin in the last decade have advanced our understanding of headache and other pain states. More research into botulinum toxin as treatment for headache is warranted as it can be an attractive alternative for patients who do not respond positively to other drugs.
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Affiliation(s)
- T. P. Do
- Headache Diagnostic Laboratory; Danish Headache Center and Department of Neurology; Rigshospitalet-Glostrup; Faculty of Health Sciences, University of Copenhagen; Glostrup Denmark
| | - J. Hvedstrup
- Headache Diagnostic Laboratory; Danish Headache Center and Department of Neurology; Rigshospitalet-Glostrup; Faculty of Health Sciences, University of Copenhagen; Glostrup Denmark
| | - H. W. Schytz
- Headache Diagnostic Laboratory; Danish Headache Center and Department of Neurology; Rigshospitalet-Glostrup; Faculty of Health Sciences, University of Copenhagen; Glostrup Denmark
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Sprenger T, Viana M, Tassorelli C. Current Prophylactic Medications for Migraine and Their Potential Mechanisms of Action. Neurotherapeutics 2018; 15:313-323. [PMID: 29671241 PMCID: PMC5935650 DOI: 10.1007/s13311-018-0621-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
A relatively high number of different medications is currently used for migraine prevention in clinical practice. Although these compounds were initially developed for other indications and differ in their mechanisms of action, some general themes can be identified from the mechanisms at play. Efficacious preventive drugs seem to either suppress excitatory nervous signaling via sodium and/or calcium receptors, facilitate GABAergic inhibition, reduce neuronal sensitization, block cortical spreading depression and/or reduce circulating levels of CGRP. We here review such mechanisms for the different compounds.
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Affiliation(s)
- Till Sprenger
- Department of Neurology, DKD Helios Klinik Wiesbaden, Aukammallee 33, 65191, Wiesbaden, Germany.
| | - M Viana
- Headache Science Centre, IRCCS Mondino Foundation, 27100, Pavia, Italy
| | - C Tassorelli
- Headache Science Centre, IRCCS Mondino Foundation, 27100, Pavia, Italy
- Department of Brain and Behavioral Sciences, University of Pavia, 27100, Pavia, Italy
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Mizuma A, Nagata E, Yasuda T, Kouchi M, Nakayama T, Honma K, Tokuoka K, Kitagawa Y, Nogawa S, Takizawa S. Botulinum toxin A is effective to treat tension-type headache caused by hemifacial spasm. J Clin Neurosci 2017; 44:284-288. [DOI: 10.1016/j.jocn.2017.06.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 06/21/2017] [Indexed: 12/12/2022]
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Barbanti P, Ferroni P. Onabotulinum toxin A in the treatment of chronic migraine: patient selection and special considerations. J Pain Res 2017; 10:2319-2329. [PMID: 29033605 PMCID: PMC5628659 DOI: 10.2147/jpr.s113614] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Discovered by serendipity, onabotulinum toxin A (BoNT-A) is the only US Food and Drug Administration-approved treatment for the prevention of chronic migraine (CM), one of the most disabling and burdensome human conditions. Its efficacy, safety and tolerability, proved by the largest and longest migraine therapeutic trial (the Phase III Research Evaluating Migraine Prophylaxis Therapy program [PREEMPT]), have been replicated by various real-life studies also in the presence of medication overuse. The benefit of BoNT-A prophylaxis is likely due to its ability to counteract peripheral and central nociceptive sensitization through reversible chemical denervation of pericranial sensitive afferents. Its efficacy increases considerably over time during long-term treatments, significantly varying among patients. The present review focuses on the state-of-the art of current knowledge on putative instrumental, biochemical and clinical predictors of BoNT-A responsiveness, outlining the need for a thorough characterization of the full phenotypic migraine picture when trying to predict good responders. Available evidence suggests that disentangling the BoNT-A responsiveness puzzle requires 1) a reappraisal of easy-obtainable clinical details (eg, site and quality of pain, presence of cranial autonomic symptoms), 2) a proper stratification of patients with CM according to their headache frequency, 3) the evaluation of potential synergistic effects of concomitant prophylaxis/treatment and 4) a detailed assessment of modifiable risk factors evolution during treatment.
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Affiliation(s)
- Piero Barbanti
- Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences
| | - Patrizia Ferroni
- Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University, IRCCS San Raffaele Pisana, Rome, Italy
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Tassorelli C, Sances G, Avenali M, De Icco R, Martinelli D, Bitetto V, Nappi G, Sandrini G. Botulinum toxin for chronic migraine: Clinical trials and technical aspects. Toxicon 2017; 147:111-115. [PMID: 28877509 DOI: 10.1016/j.toxicon.2017.08.026] [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] [Received: 07/05/2017] [Revised: 08/25/2017] [Accepted: 08/30/2017] [Indexed: 01/03/2023]
Abstract
OnabotulinumtoxinA has been approved for the prophylaxis of chronic migraine following the demonstration of efficacy in two large controlled trials. Data collected from pragmatic studies in the real-life setting have contributed important additional information useful for the management of this group of extremely disabled and challenging patients. The main findings from these studies are presented and discussed.
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Affiliation(s)
- Cristina Tassorelli
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy; Dept of Brain and Behavioral Sciences, University of Pavia, Italy.
| | - Grazia Sances
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy
| | - Micol Avenali
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy; Dept of Brain and Behavioral Sciences, University of Pavia, Italy
| | - Roberto De Icco
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy; Dept of Brain and Behavioral Sciences, University of Pavia, Italy
| | - Daniele Martinelli
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy; Dept of Brain and Behavioral Sciences, University of Pavia, Italy
| | - Vito Bitetto
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy
| | - Giuseppe Nappi
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy
| | - Giorgio Sandrini
- Headache Science Center and Headache Unit, National Neurological Institute C. Mondino Foundation, Pavia, Italy; Dept of Brain and Behavioral Sciences, University of Pavia, Italy
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Abstract
PURPOSE OF THE REVIEW This review focuses on patients with migraine who frequently use acute medications. RECENT FINDINGS Chronic migraine and medication-overuse headache are common in the general population and often coexist. According to new diagnostic criteria, both diagnoses can be made for an individual patient. Evidence is slowly emerging on the most appropriate management approach for both disorders. SUMMARY Although the relationship of the primary headache disorder and the pattern of overuse varies, medication-overuse headache is a secondary disorder attributable to the overuse of acute medications. While distinguishing chronic migraine and medication-overuse headache may not always be possible, treatment approaches are similar for the two disorders.
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Owen RK, Abrams KR, Mayne C, Slack M, Tincello DG. Comparison of the effectiveness of repeated injections of onabotulinum toxin A for refractory idiopathic detrusor overactivity: analysis of an open label extension of a randomized trial (the RELAX study). Neurourol Urodyn 2016; 36:1201-1207. [PMID: 27564599 DOI: 10.1002/nau.23095] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 07/21/2016] [Indexed: 11/09/2022]
Abstract
AIMS To assess effects of repeat treatment with onabotulinumtoxin A (onaBoNT-A) in women with refractory idiopathic detrusor overactivity (DO). METHODS Analysis of an open-label extension study of a large randomized placebo controlled trial of onaBoNT-A. Participants had been randomized to receive 200 IU onaBoNTA or placebo and were offered up to two further onaBoNTA injections over a 5-year period. For this analysis, the primary outcome was duration of treatment effect by patient-reported symptom return. Weibull proportional hazards regression models were fitted in a Bayesian framework to estimate missing times. Multivariable hazard regression analysis (hazard ratio, 95% credible intervals (HR, 95% CrI) compared repeated injections adjusting for differences in baseline symptom severity. Secondary outcomes included inter-injection interval, incontinence, urgency, and voiding episodes 6 weeks after injection. RESULTS Four hundred and forty-two active injections were administered: 228 patients had one, 155 had two, and 59 had three injections. Time to symptom return for injection number 1 and 2 was 84 (95%CI: 63, 112) and 180 (95%CI: 135, 223) days, respectively. Median inter-injection intervals for receiving second and third injection were 266 days (range: 130, 1400) and 372 days (range: 134, 1283). No statistically significant differences in symptom outcomes or time to symptom return (HR 0.88, 95% CrI 0.37, 2.07 for injection 2, HR 0.33, 95% CrI 0.09, 1.03 for injection 3) were observed. CONCLUSIONS Repeated onaBoNT-A injections have consistent efficacy and duration of action. There appears to be long-term placebo effects in both groups of randomized patients, with implications for open-label extension studies.
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Affiliation(s)
- Rhiannon K Owen
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Keith R Abrams
- Department of Health Sciences, University of Leicester, Leicester, UK
| | | | | | - Douglas G Tincello
- Department of Health Sciences, University of Leicester, Leicester, UK.,University Hospitals of Leicester, Leicester, UK
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Abstract
OnabotulinumtoxinA (onabotA) has shown efficacy in chronic migraine (CM). Its mechanism of action, however, remains obscure. We have analysed whether treatment with onabotA is able to induce changes in interictal plasma calcitonin gene-related peptide (CGRP) concentrations, which have been shown to be increased in patients with CM. Calcitonin gene-related peptide levels were determined in samples obtained from the right antecubital vein using ELISA, outside a migraine attack and having taken no symptomatic medication in the previous 24 hours, in 83 patients with CM (average age 44 years; 94% females) before and 1 month after treatment with 155 to 195 U of onabotA. CGRP levels after onabotA treatment (median, 51.89 pg/mL; range, 199.4-10.2) were significantly lower as compared with CGRP levels obtained before onabotA treatment (median, 74.09 pg/mL; range, 241.0-11.4; P = 0.001). Pretreatment CGRP levels in responders (76.85 pg/mL) were significantly higher than those seen in nonresponders (50.45 pg/mL; P = 0.001). One month after treatment, the CGRP levels did not change in nonresponders (51.89 pg/mL; P not significant), but significantly decreased in responders (52.48 pg/mL; P = 0.003). A number of demographic factors, clinical features, and comorbidities were not different in responders as compared with those of nonresponders. These results confirm that interictal CGRP levels can be of help in predicting the response to onabotA and suggest that the mechanism of action of onabotA in CM is the reversal of sensitization as a result of the inhibition of CGRP release.
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Finkel AG. Botulinum toxin and the treatment of headache: A clinical review. Toxicon 2015; 107:114-9. [DOI: 10.1016/j.toxicon.2015.09.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 09/08/2015] [Indexed: 11/25/2022]
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Luvisetto S, Gazerani P, Cianchetti C, Pavone F. Botulinum Toxin Type a as a Therapeutic Agent against Headache and Related Disorders. Toxins (Basel) 2015; 7:3818-44. [PMID: 26404377 PMCID: PMC4591645 DOI: 10.3390/toxins7093818] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Accepted: 09/15/2015] [Indexed: 12/24/2022] Open
Abstract
Botulinum neurotoxin A (BoNT/A) is a toxin produced by the naturally-occurring Clostridium botulinum that causes botulism. The potential of BoNT/A as a useful medical intervention was discovered by scientists developing a vaccine to protect against botulism. They found that, when injected into a muscle, BoNT/A causes a flaccid paralysis. Following this discovery, BoNT/A has been used for many years in the treatment of conditions of pathological muscle hyperactivity, like dystonias and spasticities. In parallel, the toxin has become a “glamour” drug due to its power to ward off facial wrinkles, particularly frontal, due to the activity of the mimic muscles. After the discovery that the drug also appeared to have a preventive effect on headache, scientists spent many efforts to study the potentially-therapeutic action of BoNT/A against pain. BoNT/A is effective at reducing pain in a number of disease states, including cervical dystonia, neuropathic pain, lower back pain, spasticity, myofascial pain and bladder pain. In 2010, regulatory approval for the treatment of chronic migraine with BoNT/A was given, notwithstanding the fact that the mechanism of action is still not completely elucidated. In the present review, we summarize experimental evidence that may help to clarify the mechanisms of action of BoNT/A in relation to the alleviation of headache pain, with particular emphasis on preclinical studies, both in animals and humans. Moreover, we summarize the latest clinical trials that show evidence on headache conditions that may obtain benefits from therapy with BoNT/A.
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Affiliation(s)
- Siro Luvisetto
- National Research Council (CNR) of Italy, Institute of Cell Biology and Neurobiology, Roma 00185, Italy.
| | - Parisa Gazerani
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg East 9220, Denmark.
| | - Carlo Cianchetti
- Former Professor of Child & Adolescent Neuropsychiatry, University of Cagliari, Cagliari 09124, Italy.
| | - Flaminia Pavone
- National Research Council (CNR) of Italy, Institute of Cell Biology and Neurobiology, Roma 00185, Italy.
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Kowacs PA, Utiumi MAT, Nascimento FA, Piovesan EJ, Teive HAG. OnabotulinumtoxinA for trigeminal neuralgia: a review of the available data. ARQUIVOS DE NEURO-PSIQUIATRIA 2015; 73:877-84. [PMID: 26291995 DOI: 10.1590/0004-282x20150109] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 05/12/2015] [Indexed: 11/21/2022]
Abstract
Trigeminal neuralgia (TN) patients may develop side effects from centrally acting drugs, have contraindications for neurosurgical procedures, or experience relapse during conventional therapies. OnabotulinumtoxinA (BoNT/A) has been reported to be effective for TN, although this finding has been challenged. An overview of the available evidence based on a narrative/qualitative analysis of the literature is presented. About 90% of patients who receive BoNT/A show an improvement, a higher figure than that reported for the placebo effect of BoNT/A for other headaches. Tolerability of BoNT/A is good, and its few side-effects are transient. The articles reviewed were mainly case reports, case series and open-label trials; however, randomized controlled trials have endorsed the efficacy of BoNT/A for TN. This evidence, together with a better understanding of the analgesic mechanisms of BoNT/A and its proven efficacy in treating other pain syndromes, supports the use of this toxin as a therapeutic option for TN.
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Affiliation(s)
| | - Marco A T Utiumi
- Serviço de Neurologia, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, PR, BR
| | - Fábio A Nascimento
- Division of Neurology, Toronto Western Hospital, University of Toronto, Toronto, Ontario, GD
| | - Elcio J Piovesan
- Serviço de Neurologia, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, PR, BR
| | - Helio A G Teive
- Serviço de Neurologia, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, PR, BR
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Abstract
Tension-type headache (TTH) is the most common type of primary headaches, and its chronic form, chronic tension-type headache (CTTH), is affecting 0.5 to 4.8 % of the worldwide population. Although the mechanism underlying CTTH remains unclear, the role of central versus peripheral mechanisms has always been discussed while explaining the pathogenesis of CTTH. There is always a debate on differential diagnosis between CTTH and chronic migraine without aura which are regarded as different aspects of chronic daily headache spectrum because of many similarities and fuzzy boundaries. Compared with pharmacological treatments, non-pharmacological treatments have been popular as alternative interventions for CTTH in recent years. This review summaries the update knowledge on CTTH and discusses the most interested questions regarding pathogenesis and therapeutic strategies of CTTH.
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Affiliation(s)
- Shengyuan Yu
- Department of Neurology, Chinese PLA General Hospital, Beijing, 100853, China,
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30
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Abstract
This article reviews the diagnoses and treatment of temporomandibular disorders (TMD) and outlines of the role of botulinum toxin (BoNT) in the treatment of myofacial TMD. This manuscript includes a brief history of the use of BoNT in the treatment of pain, the mechanism of action of BoNT, and the techniques for injections, adverse effects and contraindications when using BoNT to treat mayofacial pain caused by TMD.
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Affiliation(s)
- Niv Mor
- Mount Sinai Roosevelt Hospital, Department of Otolaryngology-Head and Neck Surgery, New York, NY 10019, USA.
- Head and Neck Surgical Group-New York Center for Voice and Swallowing Disorders, New York, NY 10019, USA.
| | - Christropher Tang
- Mount Sinai Roosevelt Hospital, Department of Otolaryngology-Head and Neck Surgery, New York, NY 10019, USA.
- Head and Neck Surgical Group-New York Center for Voice and Swallowing Disorders, New York, NY 10019, USA.
| | - Andrew Blitzer
- Mount Sinai Roosevelt Hospital, Department of Otolaryngology-Head and Neck Surgery, New York, NY 10019, USA.
- Head and Neck Surgical Group-New York Center for Voice and Swallowing Disorders, New York, NY 10019, USA.
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Abstract
Chronic migraine (CM) is a severe disabling condition with a few available evidence-based management options. OnabotulinumtoxinA (onaBoNTA) is approved for use in a number of disorders. Its benefits and potential use in migraine were observed incidentally while treating patients cosmetically for wrinkles. The mechanism of action of onaBoNTA in CM is not fully understood, but there is evidence that this involves axonal transport via sensory fibers. The Phase III REsearch Evaluating Migraine Prophylaxis Therapy trials have established the efficacy as well as the long-term safety and tolerability of onaBoNTA in CM. This review will discuss the evidence behind its use in this setting.
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Affiliation(s)
- Rubesh Gooriah
- Department of Neurology, Hull Royal Infirmary, Kingston Upon Hull, UK
| | - Fayyaz Ahmed
- Department of Neurology, Hull Royal Infirmary, Kingston Upon Hull, UK
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Yerry JA, Kuehn D, Finkel AG. Onabotulinum Toxin A for the Treatment of Headache in Service Members With a History of Mild Traumatic Brain Injury: A Cohort Study. Headache 2015; 55:395-406. [DOI: 10.1111/head.12495] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2014] [Indexed: 01/03/2023]
Affiliation(s)
- Juanita A. Yerry
- Department of Brain Injury Medicine; Womack Army Medical Center (WAMC); Ft. Bragg NC USA
| | - Devon Kuehn
- Department of Brain Injury Medicine; Womack Army Medical Center (WAMC); Ft. Bragg NC USA
| | - Alan G. Finkel
- Department of Brain Injury Medicine; Womack Army Medical Center (WAMC); Ft. Bragg NC USA
- Defense and Veterans Brain Injury Center; Silver Spring MD USA
- Carolina Headache Institute; Chapel Hill NC USA
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33
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Hollanda L, Monteiro L, Melo A. Botulinum toxin type a for cephalic cutaneous allodynia in chronic migraine: a randomized, double-blinded, placebo-controlled trial. Neurol Int 2014; 6:5133. [PMID: 25568735 PMCID: PMC4274405 DOI: 10.4081/ni.2014.5133] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 09/03/2014] [Accepted: 09/26/2014] [Indexed: 11/30/2022] Open
Abstract
Cephalic allodynia (CA) can be observed in 50-70% of patients with chronic migraine (CM). The aim of this trial was to assess the efficacy of botulinum toxin type A (Botx-A) in the treatment of CA associated with CM. In this placebo-controlled trial, patients were randomized either into Botx-A or 0.9% saline injections and efficacy measures were assessed every 4 weeks for 3 months. Efficacy endpoints were number of migraine episodes associated with CA, changes from baseline in visual analogical scale scores for pain (VAS) and frequency of common analgesics use for migraine. A total of 38 subjects were randomized to saline (n=18) or Botx-A (n=20). There were no significant differences in baseline between active intervention or placebo groups regarding mean age, number of headache episodes [mean 12.1 (9.22) and 17.00 (9.69) respectively; P=0.12], pain severity as measured by the VAS or frequency of analgesic use for headache episodes. Efficacy analysis showed that Botx-A injections led to an important decrease from baseline in the mean migraine episodes associated with CA after 12 weeks (5.20 versus 11.17; P=0.01). Also, VAS scores and frequency of analgesics use for headache were significantly reduced in the Botx-A group. This study suggests that Botx-A injections are superior to saline in the treatment of CA associated with CM, with mild self limited side effects.
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Affiliation(s)
- Luciano Hollanda
- Division of Neurology and Epidemiology, Neurosciences Department, Federal University of Bahia , Salvador-Bahia, Brazil
| | - Larissa Monteiro
- Division of Neurology and Epidemiology, Neurosciences Department, Federal University of Bahia , Salvador-Bahia, Brazil
| | - Ailton Melo
- Division of Neurology and Epidemiology, Neurosciences Department, Federal University of Bahia , Salvador-Bahia, Brazil
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Freitag FG, Shumate D. Current and investigational drugs for the prevention of migraine in adults and children. CNS Drugs 2014; 28:921-7. [PMID: 25253573 DOI: 10.1007/s40263-014-0202-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
There are only a handful of drugs that have been submitted for and received an indication for the preventative treatment of migraine by the US Food and Drug Administration, as well as international governmental regulatory agencies. However, there are a wide variety of agents that are used for this indication with different levels of evidence for efficacy and tolerability. Several guidelines have been published in recent years examining the evidence-based medicine of migraine preventative therapy and these provide guidance especially for the primary care clinician, but also for neurologists whose primary focus is not headache medicine. Some of the therapies are used in children and adolescents while others are used more commonly in adults. In the adult population, an evolutive state of migraine is more commonly seen than in young persons, that is chronic migraine. There is a paucity of evidence for medications for this stage of migraine but there is a single agent that is approved for this use but not for use in the treatment of episodic migraine. There have been few advances in the field of migraine-preventative medications in recent years but potential novel approaches are in development.
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Affiliation(s)
- Frederick G Freitag
- Department of Neurology, Medical College of Wisconsin, 9200 W. Wisconsin Ave, Milwaukee, WI, 53226, USA,
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35
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Whitcup SM, Turkel CC, DeGryse RE, Brin MF. Development of onabotulinumtoxinA for chronic migraine. Ann N Y Acad Sci 2014; 1329:67-80. [DOI: 10.1111/nyas.12488] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
| | | | | | - Mitchell F. Brin
- Allergan, Inc Irvine California
- Department of Neurology University of California Irvine California
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36
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37
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Speciali JG, Peres M, Bigal ME. Migraine treatment and placebo effect. Expert Rev Neurother 2014; 10:413-9. [DOI: 10.1586/ern.10.8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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38
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Alonso-Blanco C, de-la-Llave-Rincón AI, Fernández-de-las-Peñas C. Muscle trigger point therapy in tension-type headache. Expert Rev Neurother 2014; 12:315-22. [DOI: 10.1586/ern.11.138] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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40
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Crystal SC, Henry KA. Treatment of Tension-type Headache. Headache 2013. [DOI: 10.1002/9781118678961.ch13] [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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41
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Grogan PM, Alvarez MV, Jones L. Headache direction and aura predict migraine responsiveness to rimabotulinumtoxin B. Headache 2012; 53:126-136. [PMID: 23126597 DOI: 10.1111/j.1526-4610.2012.02288.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2012] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To report a retrospective analysis of patients with migraine headaches treated with rimabotulinumtoxin B as preventive treatment, investigating an association between clinical responsiveness with migraine directionality and migrainous aura. BACKGROUND The Phase III Research Evaluating Migraine Prophylaxis Therapy studies demonstrated onabotulinumtoxin A is effective in the preventive management of chronic migraine headaches. Jakubowski et al reported greater response to onabotulinumtoxin A in migraine patients reporting inward-directed head pain (imploding or ocular) compared with outward-directed head pain (exploding), suggesting subpopulations of patients may be better candidates for its use. No correlation was found between those reporting migrainous aura and onabotulinumtoxin A responsiveness. METHODS One hundred twenty-eight migraine patients were identified who had received rimabotulinumtoxin B injections over an average of 22 months, or 7 injection cycles. Migraine directionality was reported as inward directed (imploding, n = 72), eye centered (ocular, n = 28), outward directed (exploding, n = 16), and mixed (n = 12). RESULTS One hundred two out of one hundred twenty-eight patients (80%) improved; of these, 58 (57%) demonstrated a >75% reduction in monthly headache frequency (">75%-responders"), 76% of which noted sustained benefits >12 months with repeated injections every 10-12 weeks. Those reporting ocular- and imploding-directed headaches were significantly more likely to be >75%-responders, compared with exploding- and mixed-directed headaches (P < .0025). Patients with ocular-directed headaches were most likely to be sustained >75%-responders. Patients reporting migrainous aura were more likely to be >75%-responders (P = .0007). Those reporting exploding- and mixed-directed headaches were more likely to be nonresponders (P < .0001). CONCLUSIONS Reported migraine directionality and presence of migrainous aura predict migraine headache responsiveness to rimabotulinumtoxin B injections.
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Affiliation(s)
| | | | - Lyell Jones
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
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43
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Chowdhury D. Tension type headache. Ann Indian Acad Neurol 2012; 15:S83-8. [PMID: 23024570 PMCID: PMC3444224 DOI: 10.4103/0972-2327.100023] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Revised: 06/03/2012] [Accepted: 06/03/2012] [Indexed: 12/16/2022] Open
Abstract
Tension type headaches are common in clinical practice. Earlier known by various names, the diagnosis has had psychological connotations. Recent evidence has helped clarify the neurobiological basis and the disorder is increasingly considered more in the preview of neurologists. The classification, clinical features, differential diagnosis and treatment of tension type headache are discussed in this paper.
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Affiliation(s)
- Debashish Chowdhury
- Department of Neurology, Academic Block, G. B. Pant Hospital, New Delhi, India
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44
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Affiliation(s)
- Alan G Finkel
- Carolina Headache Institute, University of North Carolina, Chapel Hill, NC 27516, USA.
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45
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Abstract
PURPOSE OF REVIEW This review provides an update on our knowledge regarding prevention and management of medication overuse headache (MOH). RECENT FINDINGS The prevalence of MOH is 1-2% in the general population worldwide, and because of the tremendous socio-economic cost, it is likely to be the most costly neurological disorder known. MOH has similarities with traditional drug addiction. Use of a brochure on medication overuse can prevent MOH. The Severity of Dependence Scale (SDS) score is a significant predictor of medication overuse among headache patients. Withdrawal of medication is essential in the management of MOH, and simultaneous initiation of prophylactic medication may alleviate this process. Short advice on medication overuse by a physician reduced mean medication days from 22 to 6 days; 76% no longer had medication overuse and 42% no longer had chronic headache. SUMMARY A brochure and/or the SDS should be used to prevent MOH. Withdrawal is the cornerstone of MOH management. Short advice on MOH is the current most cost effective management method, a method that can be applied anywhere including third world countries.
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46
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Lionetto L, Negro A, Palmisani S, Gentile G, Fiore MRD, Mercieri M, Simmaco M, Smith T, Al-Kaisy A, Arcioni R, Martelletti P. Emerging treatment for chronic migraine and refractory chronic migraine. Expert Opin Emerg Drugs 2012; 17:393-406. [DOI: 10.1517/14728214.2012.709846] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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47
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Laskin DM. Botulinum toxin A in the treatment of myofascial pain and dysfunction: the case against its use. J Oral Maxillofac Surg 2012; 70:1240-2. [PMID: 22538023 DOI: 10.1016/j.joms.2011.05.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 05/05/2011] [Accepted: 05/11/2011] [Indexed: 10/28/2022]
Affiliation(s)
- Daniel M Laskin
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Virginia Commonwealth University, Richmond, VA 23298-0566, USA.
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48
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Prophylaxe der chronischen Migräne mit Botulinumtoxin Typ A. HNO 2012; 60:490-5. [DOI: 10.1007/s00106-012-2496-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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49
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Botulinum toxin in the treatment of post-traumatic headache – case study. Neurol Neurochir Pol 2012; 46:591-4. [DOI: 10.5114/ninp.2012.32109] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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50
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Jabbari B, Machado D. Treatment of refractory pain with botulinum toxins--an evidence-based review. PAIN MEDICINE 2011; 12:1594-606. [PMID: 21958302 DOI: 10.1111/j.1526-4637.2011.01245.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVES To provide updated information on the role of botulinum toxins in the treatment of refractory pain based on prospective, randomized, double-blind, placebo-controlled studies. DESIGN OF THE REVIEW: Class I and class II articles were searched online through PubMed (1966 to the end of January 2011) and OvidSP including ahead-of-print manuscripts. RESULTS Level A evidence (two or more class I studies-established efficacy): pain of cervical dystonia, chronic migraine, and chronic lateral epicondylitis. Level B evidence (one class I or two class II studies-probably effective and recommended): post-herpetic neuralgia, post-traumatic neuralgia, pain of plantar fasciitis, piriformis syndrome, and pain in total knee arthroplasty. Level C evidence (one class II study-possibly effective, may be used at discretion of clinician): allodynia of diabetic neuropathy, chronic low back pain, painful knee osteoarthritis, anterior knee pain with vastus lateralis imbalance, pelvic pain, post-operative pain in children with cerebral palsy after adductor hip release surgery, post-operative pain after mastectomy, and sphincter spasms and pain after hemorrhoidectomy. Level U evidence (efficacy not proven due to diverse class I and II results): myofascial pain syndrome and chronic daily headaches. Studies in episodic migraine and tension headaches have shown treatment failure (level A-negative). CONCLUSION Evidence-based data indicate that administration of botulinum toxin in several human conditions can alleviate refractory pain. The problems with some study designs and toxin dosage are critically reviewed.
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Affiliation(s)
- Bahman Jabbari
- Department of Neurology, Yale University School of Medicine, New Haven, Connecticut, USA.
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