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Onan D, Farham F, Martelletti P. Clinical Conditions Targeted by OnabotulinumtoxinA in Different Ways in Medicine. Toxins (Basel) 2024; 16:309. [PMID: 39057949 PMCID: PMC11280961 DOI: 10.3390/toxins16070309] [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] [Received: 05/28/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
OnabotulinumtoxinA (BT-A) is used in different medical fields for its beneficial effects. BT-A, a toxin originally produced by the bacterium Clostridium botulinum, is widely known for its ability to temporarily paralyze muscles by blocking the release of acetylcholine, a neurotransmitter involved in muscle contraction. The literature continually reports new hypotheses regarding potential applications that do not consider blockade of acetylcholine release at the neuromuscular junction as a common pathway. In this opinion article, it is our aim to investigate the different pathway targets of BT-A in different medical applications. First of all, the acetylcholine effect of BT-A is used to reduce wrinkles for cosmetic purposes, in the treatment of urological problems, excessive sweating, temporomandibular joint disorders, obesity, migraine, spasticity in neurological diseases, and in various cases of muscle overactivity such as cervical dystonia, blepharospasm, and essential head tremor. In another potential pathway, glutamate A, CGRP, and substance P are targeted for pain inhibition with BT-A application in conditions such as migraine, trigeminal neuralgia, neuropathic pain, and myofascial pain syndrome. On the other hand, as a mechanism different from acetylcholine and pain mediators, BT-A is used in the treatment of hair loss by increasing oxygenation and targeting transforming growth factor-beta 1 cells. In addition, the effect of BT-A on the apoptosis of cancer cells is also known and is being developed. The benefits of BT-A applied in different doses to different regions for different medical purposes are shown in literature studies, and it is also emphasized in those studies that repeating the applications increases the benefits in the long term. The use of BT-A continues to expand as researchers discover new potential therapeutic uses for this versatile toxin.
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Affiliation(s)
- Dilara Onan
- Department of Physiotherapy and Rehabilitation, Faculty of Heath Sciences, Yozgat Bozok University, Yozgat 66000, Turkey
| | - Fatemeh Farham
- Department of Headache, Iranian Centre of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran 1417653761, Iran;
| | - Paolo Martelletti
- School of Health, Unitelma Sapienza University of Rome, 00161 Rome, Italy;
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Ilgaz Aydinlar E, Erdogan Soyukibar T, Yalinay Dikmen P. The effectiveness and predictors influencing the outcome of onabotulinumtoxinA treatment in chronic migraine: understanding from diverse patient profiles in a single session. Front Neurol 2024; 15:1417303. [PMID: 38962481 PMCID: PMC11219632 DOI: 10.3389/fneur.2024.1417303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 05/31/2024] [Indexed: 07/05/2024] Open
Abstract
Objective This real-world study aimed to investigate how onabotulinumtoxinA affects the outcome of migraine, along with accompanying anxiety, depression, and bruxism among a group of patients with chronic migraine (CM) and define predictors of good response. Methods Patients diagnosed with CM who received onabotulinumtoxinA were included in this single-center, real-world retrospective cohort study. Monthly headache days (MHDs), monthly migraine days (MMDs), headache intensity (numeric rating scale-NRS) and headache characteristics were evaluated at baseline and 12 weeks post-treatment. Patient-reported outcome measures (PROMs) included Migraine Disability Assessment Scale (MIDAS), Headache Impact Test-6 (HIT-6) scores, 12-item Allodynia Symptom Checklist (ASC-12), Beck Anxiety Inventory (BAI) and Beck Depression Inventory (BDI). Response to onabotulinumtoxinA (% reduction in MHDs) and treatment-related adverse events (TRAEs) were also evaluated. OnabotulinumA was applied to the masseter muscles in patients complaining of bruxism. Results A total of 72 patients (mean ± SD age: 36.3 ± 8.5 years; 91.7% were female) diagnosed with CM were included. OnabotulinumtoxinA revealed significant decrease in median (IQR) MHDs [from 20(15-25) at baseline to 6(4-10), p < 0.001], MMDs [from 9(6-12) to 3(1-6), p < 0.001] and NRS [from 9(8-10) to 7(6-8), p < 0.001], and the MIDAS [from 54(30-81) to 16(7-24), p < 0.001], HIT-6 [from 67(65-69) to 58(54-64), p < 0.001], ASC-12 [from 6(1.5-9) to 2(0-9), p = 0.002], BAI [from 12(6.5-19) to 9(3-17), p < 0.001] and BDI [from 11(6.5-17) to 3(2-7) p < 0.001] scores at 12 weeks post-treatment. Patients complaining of bruxism received onabotulinumtoxinA injections in the first n = 27 (37.5%) and 12. week post-treatment n = 19 (70.4%) periods. Overall, 70.8% of patients responded (≥50% reduction in MHDs), while 29.2% did not (<50% reduction). Both groups showed similar characteristics in demographics, migraine history, baseline PROMs scores, comorbidities, and prior treatments. Conclusion OnabotulinumtoxinA is an effective treatment option that rapidly improves migraine outcomes, disability, and impact while also alleviating comorbid depression and/or anxiety. This study's noteworthy finding is that onabotulinumtoxinA is effective in a majority of CM patients, irrespective of their prior treatment history, migraine characteristics, or concurrent comorbidities. Furthermore, we identified no specific predictors for a favorable response to onabotulinumtoxinA. Applying onabotulinumtoxinA to the masseter muscles can relieve discomfort associated with concurrent bruxism; however, it does not impact migraine outcomes.
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Affiliation(s)
- Elif Ilgaz Aydinlar
- Department of Neurology, Acıbadem University School of Medicine, Istanbul, Türkiye
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OnabotulinumtoxinA in Migraine: A Review of the Literature and Factors Associated with Efficacy. J Clin Med 2021; 10:jcm10132898. [PMID: 34209849 PMCID: PMC8269087 DOI: 10.3390/jcm10132898] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/12/2021] [Accepted: 06/16/2021] [Indexed: 11/17/2022] Open
Abstract
The efficacy of onabotulinumtoxinA (OnaB-A) as a preventative treatment for chronic migraine, emerging fortuitously from clinical observation is now supported by class one evidence and over two decades of real-world clinical data. There is still limited ability to predict a clinically meaningful response to OnaB-A for individual patients, however. This review summarises briefly the proposed mechanism of OnaB-A in chronic migraine, the literature of predictors of clinical response, and recent developments in the field.
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Benefits Beyond Headache Days With OnabotulinumtoxinA Treatment: A Pooled PREEMPT Analysis. Pain Ther 2020; 9:683-694. [PMID: 33026631 PMCID: PMC7648806 DOI: 10.1007/s40122-020-00198-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/14/2020] [Indexed: 12/20/2022] Open
Abstract
Introduction The double-blind, phase 3 PREEMPT trials demonstrated the efficacy and tolerability of onabotulinumtoxinA for headache prevention in adults with chronic migraine. This post hoc analysis evaluated the effect of onabotulinumtoxinA on clinically meaningful changes in headache severity, headache-related impact, and quality of life. Methods Pooled, 24-week data were used to determine percentages of patients meeting responder criteria for the change in headache days (≥ 50% reduction in headache-day frequency), Headache Impact Test (HIT-6; ≥ 5-point improvement), MSQ Role Function-Restrictive (MSQ-RFR; ≥ 10.9-point improvement), and Average Daily Headache Severity (ADHS; ≥ 1-point improvement on a 4-point ordinal scale [0 = no pain, 3 = severe pain]). Results In the pooled analysis population (N = 1384; onabotulinumtoxinA, n = 688; placebo, n = 696), significantly more patients treated with onabotulinumtoxinA compared with placebo were responders on HIT-6 (40.8 vs. 25.3%), MSQ-RFR (59.0 vs. 40.2%), and ADHS (35.5 vs. 22.4%) measures, and achieved traditional ≥ 50% reduction in headache days (44.8 vs. 34.2%; all P < 0.001). At least one responder criterion was met by 72.1% and 56.6% of onabotulinumtoxinA- and placebo-treated patients, respectively; all four were met by 20.4% and 8.6%, respectively (P < 0.001). Linear regression analysis showed that approximately 20% of the variance in HIT-6 and MSQ-RFR improvement was explained by improvement in headache days. Conclusions Treatment with onabotulinumtoxinA for 24 weeks was associated with clinically meaningful benefits beyond reduction in headache days; including reductions in headache severity and headache-related impact, and improved quality of life. While 45% of patients met responder criteria for monthly headache days, over 70% had clinically meaningful improvements on at least one outcome measure. Trial Registration ClinicalTrials.gov identifier, NCT00156910 (PREEMPT 1) and NCT00168428 (PREEMPT 2)
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Silberstein SD, Diener HC, Dodick DW, Manack Adams A, DeGryse RE, Lipton RB. The Impact of OnabotulinumtoxinA vs. Placebo on Efficacy Outcomes in Headache Day Responder and Nonresponder Patients with Chronic Migraine. Pain Ther 2020; 9:695-707. [PMID: 33026630 PMCID: PMC7648816 DOI: 10.1007/s40122-020-00199-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/14/2020] [Indexed: 12/12/2022] Open
Abstract
Introduction The phase 3 PREEMPT trials demonstrated efficacy and tolerability of onabotulinumtoxinA for headache prevention in adults with chronic migraine. OnabotulinumtoxinA significantly reduced headache frequency from baseline vs. placebo at 24 weeks; however, this measure may not fully capture the benefits of treatment. We evaluated the impact of onabotulinumtoxinA on patient-reported outcomes according to headache responder status. Methods A post hoc analysis pooled 24-week data from the placebo-controlled, randomized, double-blind treatment phases of the PREEMPT trials. Patients were stratified by randomized treatment (onabotulinumtoxinA vs. placebo) and headache day responder status (responder vs. nonresponder). Headache day responders had a ≥ 50% headache day reduction from baseline measured at weeks 21–24. Outcomes evaluated were patient-reported reductions in moderate-to-severe headache days, Headache Impact Test, and Migraine-Specific Quality of Life Questionnaire. Missing values were estimated using a modified last-observation-carried-forward approach. Results In the pooled analysis population (N = 1384; onabotulinumtoxinA, n = 688; placebo, n = 696), headache day responder rates were 308/688 (45%) for onabotulinumtoxinA- and 238/696 (34%) for placebo-treated patients. At 24 weeks compared with baseline, onabotulinumtoxinA nonresponders showed significantly (all P < 0.01) greater mean (standard error) reductions vs. placebo nonresponders in moderate-to-severe headache days (– 3.5 [0.2] vs. − 2.4 [0.2]) and Headache Impact Test scores (– 2.3 [0.3] vs. – 0.8 [0.2]), and greater mean improvements in Migraine-Specific Quality of Life Questionnaire domains (Restrictive, 8.8 [1.0] vs. 2.9 [0.8]; Preventive, 6.0 [1.0] vs. 1.8 [0.8]; Emotional, 8.5 [1.3] vs. 2.8 [1.1]). Moderate-to-severe headache day and headache impact differences between nonresponder groups were evident at week 4 and sustained through week 24. Conclusions Relative to placebo nonresponders, onabotulinumtoxinA nonresponders experienced significant reductions in moderate-to-severe headache days and disability and improvement in quality of life, implying that the full benefits of onabotulinumtoxinA are not captured by headache day reduction. Trial Registration ClinicalTrials.gov identifiers, NCT00156910 (PREEMPT 1) and NCT00168428 (PREEMPT 2).
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Affiliation(s)
| | - Hans-Christoph Diener
- Institute for Medical Informatics, Biometry and Epidemiology, University of Duisburg-Essen, Essen, Germany
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Sacco S, Russo A, Geppetti P, Grazzi L, Negro A, Tassorelli C, Tedeschi G, Martelletti P. What is changing in chronic migraine treatment? An algorithm for onabotulinumtoxinA treatment by the Italian chronic migraine group. Expert Rev Neurother 2020; 20:1275-1286. [PMID: 32990477 DOI: 10.1080/14737175.2020.1825077] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION OnabotulinumtoxinA (OBT-A) and monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (CGRP) pathway are two of the few treatments that ameliorate chronic migraine (CM) in randomized controlled trials and real-life studies. Separate clinical practice guidelines have been developed for the management of CM with OBT-A or CGRP-targeting mAbs. AREAS COVERED Considering the concomitant availability of OBT-A and CGRP-targeting mAbs as therapeutic treatment options, Italian migraine experts reviewed the evidence supporting the efficacy of OBT-A and CGRP-targeting mAbs in CM in order to rationalize the management of CM patients treated with OBT-A. Experts addressed everyday practice needs to shape the optimal pharmacological management by balancing adherence to regulatory indications, ethical considerations, and clinical expertise. Considering the remarkable challenge of improving the health and quality of life of patients with CM, even partial improvements may be clinically meaningful, particularly for those who are resistant or intolerant to oral migraine treatments. EXPERT OPINION In this collaborative effort, we propose a treatment algorithm that integrates the relevant aspects of managing patients with CM to provide ready-to-use practical guidance regarding the appropriate use of OBT-A.
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Affiliation(s)
- Simona Sacco
- Neuroscience Section, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila , L'Aquila, Italy
| | - Antonio Russo
- Department of Medical, Surgical, Neurological, Metabolic, and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli" , Naples, Italy
| | - Pierangelo Geppetti
- Department of Health Sciences, Section of Clinical Pharmacology, Headache Center Careggi University Hospital, University of Florence , Florence, Italy
| | - Licia Grazzi
- Neuroalgology Unit, Headache Center, Neurological Institute "C. Besta" IRCCS Foundation , Milan, Italy
| | - Andrea Negro
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University , Rome, Italy
| | - Cristina Tassorelli
- Headache Science Centre, IRCCS Mondino Foundation , Pavia, PV, Italy.,Department of Brain and Behavioral Sciences, University of Pavia , Pavia, PV, Italy
| | - Gioacchino Tedeschi
- Department of Medical, Surgical, Neurological, Metabolic, and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli" , Naples, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University , Rome, Italy
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Donisi V, Mazzi MA, Gandolfi M, Deledda G, Marchioretto F, Battista S, Poli S, Giansante M, Geccherle E, Perlini C, Smania N, Del Piccolo L. Exploring Emotional Distress, Psychological Traits and Attitudes in Patients with Chronic Migraine Undergoing OnabotulinumtoxinA Prophylaxis versus Withdrawal Treatment. Toxins (Basel) 2020; 12:E577. [PMID: 32911799 PMCID: PMC7551686 DOI: 10.3390/toxins12090577] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 12/20/2022] Open
Abstract
This explorative cross-sectional study aims at exploring emotional distress, psychological profiles, and the attitude towards receiving psychological support in eighty-seven patients with chronic migraine (CM) undergoing OnabotulinumtoxinA prophylactic treatment (OBT-A, n = 40) or withdrawal treatment (WT, n = 47). The outcomes were explored through a specific battery of questionnaires. 25% of patients undergoing OBT-A and almost half of the patients undergoing WT reported psychological distress of at least moderate-severe level, respectively. Coping strategies, self-efficacy, and perceived social support were similar in the two groups. Patients undergoing OBT-A presented lower psychological inflexibility than patients undergoing WT. Predictors of higher psychological distress were low perceived social support by friends, low self-efficacy, and higher avoidance strategies. In both groups, most of the patients evaluated receiving psychological support to be useful (79%). The potential beneficial effects of OBT-A on the severity of symptoms and psychological distress might further support its role in the multidisciplinary management of patients with CM. Identifying patients with psychological vulnerabilities who may benefit from psychological support is relevant in patients with CM.
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Affiliation(s)
- Valeria Donisi
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy; (V.D.); (M.A.M.); (C.P.); (L.D.P.)
| | - Maria Angela Mazzi
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy; (V.D.); (M.A.M.); (C.P.); (L.D.P.)
| | - Marialuisa Gandolfi
- Department of Neurosciences, Biomedicine and Movement Sciences, Neuromotor and Cognitive Rehabilitation Research Centre (CRRNC), University of Verona, UOC Neurorehabilitation, AOUI Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy;
| | - Giuseppe Deledda
- Clinical Psychological Service, UO of Clinical Psychology, Scientific Institute for Research, Hospitalisation and Health Care (IRCCS), Sacro Cuore—Don Calabria, Negrar di Valpolicella, 37024 Verona, Italy; (G.D.); (S.P.); (M.G.); (E.G.)
| | - Fabio Marchioretto
- Neurological Unit, Scientific Institute for Research, Hospitalisation and Health Care (IRCCS), Sacro Cuore—Don Calabria, Negrar di Valpolicella, 37024 Verona, Italy;
| | - Simone Battista
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Campus of Savona, Via Magliotto, 2, 17100 Savona, Italy;
| | - Sara Poli
- Clinical Psychological Service, UO of Clinical Psychology, Scientific Institute for Research, Hospitalisation and Health Care (IRCCS), Sacro Cuore—Don Calabria, Negrar di Valpolicella, 37024 Verona, Italy; (G.D.); (S.P.); (M.G.); (E.G.)
| | - Matteo Giansante
- Clinical Psychological Service, UO of Clinical Psychology, Scientific Institute for Research, Hospitalisation and Health Care (IRCCS), Sacro Cuore—Don Calabria, Negrar di Valpolicella, 37024 Verona, Italy; (G.D.); (S.P.); (M.G.); (E.G.)
| | - Eleonora Geccherle
- Clinical Psychological Service, UO of Clinical Psychology, Scientific Institute for Research, Hospitalisation and Health Care (IRCCS), Sacro Cuore—Don Calabria, Negrar di Valpolicella, 37024 Verona, Italy; (G.D.); (S.P.); (M.G.); (E.G.)
| | - Cinzia Perlini
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy; (V.D.); (M.A.M.); (C.P.); (L.D.P.)
| | - Nicola Smania
- Department of Neurosciences, Biomedicine and Movement Sciences, Neuromotor and Cognitive Rehabilitation Research Centre (CRRNC), University of Verona, UOC Neurorehabilitation, AOUI Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy;
| | - Lidia Del Piccolo
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale L.A. Scuro, 10, 37134 Verona, Italy; (V.D.); (M.A.M.); (C.P.); (L.D.P.)
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Quintas S, García-Azorín D, Heredia P, Talavera B, Gago-Veiga AB, Guerrero ÁL. Wearing Off Response to OnabotulinumtoxinA in Chronic Migraine: Analysis in a Series of 193 Patients. PAIN MEDICINE 2020; 20:1815-1821. [PMID: 30657951 DOI: 10.1093/pm/pny282] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Long-term real-life studies have supported a cumulative effect of OnabotulinumtoxinA (OnabotA) for the prophylactic treatment of chronic migraine (CM) during consecutive cycles, and individual adaptations have been described to improve clinical response. METHODS This was a cohort longitudinal retrospective study of consecutive adult patients from the Headache Unit of the Hospital Clínico Universitario de Valladolid and the Hospital Universitario de La Princesa (Madrid) on OnabotA treatment for chronic migraine from May 2012 to December 2017. All patients were followed for 24 weeks. Full-length response to OnabotA was defined as ≥50% reduction in headache days for at least 12 weeks, and wearing off response was defined as a clinical response but with duration shorter than 10 weeks. We have analyzed the incidence and clinical predictors of this wearing off response. RESULTS A total of 193 patients were included, of whom 91 (47.1%) were considered full-length responders and 45 (23.3%) wearing off responders. No statistically significant clinical predictors (including demographic variables and baseline headache characteristics) of full-length response or wearing off response were detected in our study. An increase in dose during the second treatment cycle was attempted in 68.9% of the wearing off patients, achieving a longer duration of response of up to 12 weeks in 74.2%. CONCLUSIONS Wearing off response to OnabotA during the first treatment cycle is not uncommon in patients with CM. Increasing the dose in subsequent cycles could improve clinical response, but further multicenter long-term studies are needed to establish predictors and solutions to this problem.
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Affiliation(s)
- Sonia Quintas
- Headache Unit, Neurology Department, Hospital Universitario de la Princesa, Madrid, Spain
| | - David García-Azorín
- Headache Unit, Neurology Department, Hospital Clínico Universitario, Valladolid, Spain
| | - Patricia Heredia
- Headache Unit, Neurology Department, Hospital Universitario de la Princesa, Madrid, Spain
| | - Blanca Talavera
- Headache Unit, Neurology Department, Hospital Clínico Universitario, Valladolid, Spain
| | - Ana Beatriz Gago-Veiga
- Headache Unit, Neurology Department, Hospital Universitario de la Princesa, Madrid, Spain
| | - Ángel L Guerrero
- Headache Unit, Neurology Department, Hospital Clínico Universitario, Valladolid, Spain.,Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
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Chronic Migraine with Medication Overuse: Clinical Pattern and Evolution from a Retrospective Cohort in Seville, Spain. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s42399-020-00424-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Russo A, Silvestro M, Scotto di Clemente F, Trojsi F, Bisecco A, Bonavita S, Tessitore A, Tedeschi G. Multidimensional assessment of the effects of erenumab in chronic migraine patients with previous unsuccessful preventive treatments: a comprehensive real-world experience. J Headache Pain 2020; 21:69. [PMID: 32517693 PMCID: PMC7282180 DOI: 10.1186/s10194-020-01143-0] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/01/2020] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND erenumab was safe and effective in clinical trials for the prevention of migraine. However, real-life data are still lacking. Here we report the clinical experience from an Italian real-world setting using erenumab in patients with chronic migraine experiencing previous unsuccessful preventive treatments. METHODS Seventy patients with chronic migraine and failure to ≥4 migraine preventive medication classes initially received monthly erenumab 70 mg s.c. Patients without a clinically meaningful improvement, considered as a > 30% reduction in headache days per month, after ≥3 months of therapy switched to monthly erenumab 140 mg. At the first administration and after 3 and 6 months, patients underwent extensive interviews to assess clinical parameters of disease severity and migraine-related disability and impact, and validated questionnaires to explore depression/anxiety, sleep, and quality of life (QoL). Finally, the Pain Catastrophizing Scale, Allodynia Symptom Checklist-12 and MIGraine attacks-Subjective COGnitive impairments scale (MIG-SCOG) were administered. RESULTS 70% of patients were "responders" after the third administration of erenumab 70 mg, whereas 30% switched to erenumab 140 mg; 29% (6 pts) responded after the sixth administration. The headache-day frequency was reduced from 21.1 ± 0.7 to 11.4 ± 0.9 days after the third administration (p < 0.001) and to 8.9 ± 0.7 days after the sixth administration (p < 0.001). 53% and 70% of patients, respectively, showed a reduction of ≥50% of headache days/month after the third and the sixth administrations. Also improved were headache pain severity, migraine-related disability, and impact on daily living, QoL, pain catastrophizing and allodynia (all p < 0.001), quality of sleep, symptoms of depression or anxiety (p < 0.05) but not MIG-SCOG. There were no new adverse event signals. CONCLUSION These real-world data support monthly erenumab 70 or 140 mg s.c. as a safe and effective preventive treatment to reduce headache frequency and severity in chronic migraine patients experiencing previous unsuccessful preventive treatments.
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Affiliation(s)
- Antonio Russo
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy.
| | - Marcello Silvestro
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Fabrizio Scotto di Clemente
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Francesca Trojsi
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Alvino Bisecco
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Simona Bonavita
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Alessandro Tessitore
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
| | - Gioacchino Tedeschi
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Headache Center, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2 - I, 80138, Naples, Italy
- Institute for Diagnosis and Care, 'Hermitage-Capodimonte', Naples, Italy
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Alpuente A, Gallardo VJ, Torres-Ferrús M, Álvarez-Sabin J, Pozo-Rosich P. Short and Mid-Term Predictors of Response to OnabotulinumtoxinA: Real-Life Experience Observational Study. Headache 2020; 60:677-685. [PMID: 32086801 DOI: 10.1111/head.13765] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To identify clinical predictors of excellent response to OnabotulinumtoxinA in patients with chronic migraine (CM) at 6 and 12 months of follow-up. BACKGROUND Clinical predictors of response to OnabotulinumtoxinA are scarce and have not been clearly reproduced and analyzed in detail. So far, predictors of response to OnabotulinumtoxinA assess response in general or good response, but not an excellent response. METHODS Cohort study of patients attended in a specialized Headache Clinic in treatment with OnabotulinumtoxinA were classified according to their improvement in frequency: no-response (<25%) and excellent response (≥75%). A comparative analysis was carried out at 6 and 12 months identifying clinical predictors of excellent response to OnabotulinumtoxinA at each timepoint. RESULTS Data were collected from 221 patients. After 6 and also 12 months, we observed a statistically significant mean reduction in frequency and analgesic intake. At month 6, independent variables associated with excellent response (OR[95%CI]) were daily headache frequency (0.32[0.14-0.74]; P = .005), medication overuse (MO) (2.28[1.19-4.37]; P = .013), and a higher ratio of migraine days/month (MDM) (1.20[1.10-1.45]; P = .018) at baseline. At month 12, independent predictors of excellent response were patients with less than 30 years of migraine evolution (0.43[0.23-0.82]; P = .011), presence of anxiety (0.44[0.23-0.85]; P = .018), and aura (0.48[0.25-0.92]; P = .037). Excellent responders showed a higher improvement rate in pain intensity at 6 and 12 months. CONCLUSIONS Patients with daily frequency and MO show a clinical improvement in short-term. Patients with comorbidities who start treatment earlier in the course of the disease need a longer duration of treatment. The profile of response to treatment with OnabotulinumtoxinA determines its minimum treatment duration and the timepoint of a meaningful response.
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Affiliation(s)
- Alicia Alpuente
- Headache Unit, Neurology Department, Vall d'Hebron University Hospital, Barcelona, Spain.,Headache and Neurological Pain Research Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Víctor José Gallardo
- Headache and Neurological Pain Research Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Marta Torres-Ferrús
- Headache Unit, Neurology Department, Vall d'Hebron University Hospital, Barcelona, Spain.,Headache and Neurological Pain Research Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - José Álvarez-Sabin
- Headache Unit, Neurology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Patricia Pozo-Rosich
- Headache Unit, Neurology Department, Vall d'Hebron University Hospital, Barcelona, Spain.,Headache and Neurological Pain Research Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
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12
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Chronic migraine long-term regular treatment with onabotulinumtoxinA: a retrospective real-life observational study up to 4 years of therapy. Neurol Sci 2020; 41:1809-1820. [PMID: 32052306 PMCID: PMC7359167 DOI: 10.1007/s10072-020-04283-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 02/03/2020] [Indexed: 12/31/2022]
Abstract
Introduction OnabotulinumtoxinA (BoNT-A) was proved effective and safe in chronic migraine (CM) prevention by the Phase III Research Evaluating Migraine Prophylaxis (PREEMPT) and Phase IV Chronic migraine OnabotulinuMtoxinA Prolonged Efficacy open-Label (COMPEL) trials over 1 and 2 years of treatment, respectively. Real-life studies highlighted BoNT-A sustained benefits up to 3 years of administration. Aim of this retrospective real-life study was observing within a 4-year timeframe the progress of a consecutive series of CM patients treated with BoNT-A and evaluating whether long-term quarterly treatment (up to 16 cycles) confirms the outcomes of previous studies over shorter periods of therapy. Methods One hundred nine chronic migraineurs were quarterly treated with BoNT-A according to the PREEMPT paradigm. Headache days and hours, analgesics intake and latency time together with disability were analysed at baseline, thereafter bi-annually up to 48 months. Patient responsiveness (improvement in monthly headache days and hours versus baseline) was computed at each study timepoint. Results A significant overall decrease from baseline to the 48-month assessment (p < 0.001) was evidenced for the mean number of monthly headache days and hours, analgesics intake and latency time. Severe disability cases significantly decreased at 6 months (p < 0.001), and a progressive shift towards lower degrees of disability was observed at each subsequent timepoint. A gradual percentage increase of responsive cases was observed as treatment was repeated over time. Transitory neck pain was reported in 6 cases. Conclusions This study appears to reconfirm the benefits of long-lasting CM prevention with BoNT-A, thus supporting quarterly treatment with BoNT-A over several year.
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13
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Khan FA, Mohammed AE, Poongkunran M, Chimakurthy A, Pepper M. Wearing Off Effect of OnabotulinumtoxinA Near the End of Treatment Cycle for Chronic Migraine: A 4-Year Clinical Experience. Headache 2019; 60:430-440. [PMID: 31758548 DOI: 10.1111/head.13713] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2019] [Indexed: 01/11/2023]
Abstract
INTRODUCTION The injection interval for onabotulinumtoxinA (BoNTA) in the management of chronic migraine (CM) is 12 weeks (78-84 days). The aim of this study was to review patient-reported wearing off effect (WOE) of the therapeutic benefit of BoNTA near the end of the treatment cycle. We intended to describe the demographics of patients at baseline and compare groups of patients with multiple episodes of WOE. METHODS We conducted a retrospective review of patients with CM who received uninterrupted BoNTA therapy from January 2014 to March 2018. The data from patient-reported WOE (worsening headache variables and neck pain) that occurred during the 4 weeks (28 days) prior to the scheduled re-injection of BoNTA for treatment cycles with injection interval ≤13 weeks and without obvious confounding factors were reviewed. RESULTS We identified 98 eligible patients and analyzed 471 treatment cycles. Forty-three unique patients reported at least 1 occurrence of WOE. About 24/43 patients reported 1 WOE event and 19/43 patients reported ≥2 WOE events. Between the 2 groups, anxiety disorder and opioid use for headache were statistically significantly different. In the former group, the median interquartile range (IQR) dose of BoNTA was 165 (155, 175) units and the median IQR duration of the antinociceptive effect of BoNTA was 66.5 (63, 71.5) days. In the latter group, the median IQR dose of BoNTA was 167 (155, 173.3) units and the median IQR duration of the antinociceptive effect of BoNTA was 65.3 (62.5, 68.8) days. Up to 32% of these patients reported an increase in the use of abortive therapies to manage the symptoms of WOE. DISCUSSION The primary goal of BoNTA in the treatment of CM is to mitigate the development of central sensitization. Since the 12-week injection paradigm may not provide sustained antinociceptive effect in all patients, it may account for the failure of response to BoNTA. Repeated occurrences of the WOE can potentially lead to medication overuse and impact quality of life.
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Affiliation(s)
- Fawad A Khan
- McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA.,The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, LA, USA.,Tulane University School of Medicine, New Orleans, LA, USA
| | - Alaa E Mohammed
- Center for Outcomes and Health Services Research, Ochsner Clinic Foundation, New Orleans, LA, USA
| | - Mugilan Poongkunran
- McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA
| | - Anilkumar Chimakurthy
- McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA
| | - Michael Pepper
- McCasland Family Comprehensive Headache Center, Ochsner Neuroscience Institute, Ochsner Clinic Foundation, New Orleans, LA, USA.,The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, LA, USA
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14
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Reynaert ML, Dupoiron D, Yeramian E, Marsollier L, Brodin P. Could Mycolactone Inspire New Potent Analgesics? Perspectives and Pitfalls. Toxins (Basel) 2019; 11:toxins11090516. [PMID: 31487908 PMCID: PMC6783859 DOI: 10.3390/toxins11090516] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 08/26/2019] [Accepted: 09/03/2019] [Indexed: 12/20/2022] Open
Abstract
Pain currently represents the most common symptom for which medical attention is sought by patients. The available treatments have limited effectiveness and significant side-effects. In addition, most often, the duration of analgesia is short. Today, the handling of pain remains a major challenge. One promising alternative for the discovery of novel potent analgesics is to take inspiration from Mother Nature; in this context, the detailed investigation of the intriguing analgesia implemented in Buruli ulcer, an infectious disease caused by the bacterium Mycobacterium ulcerans and characterized by painless ulcerative lesions, seems particularly promising. More precisely, in this disease, the painless skin ulcers are caused by mycolactone, a polyketide lactone exotoxin. In fact, mycolactone exerts a wide range of effects on the host, besides being responsible for analgesia, as it has been shown notably to modulate the immune response or to provoke apoptosis. Several cellular mechanisms and different targets have been proposed to account for the analgesic effect of the toxin, such as nerve degeneration, the inhibition of inflammatory mediators and the activation of angiotensin II receptor 2. In this review, we discuss the current knowledge in the field, highlighting possible controversies. We first discuss the different pain-mimicking experimental models that were used to study the effect of mycolactone. We then detail the different variants of mycolactone that were used in such models. Overall, based on the results and the discussions, we conclude that the development of mycolactone-derived molecules can represent very promising perspectives for new analgesic drugs, which could be effective for specific pain indications.
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Affiliation(s)
- Marie-Line Reynaert
- France Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR8204-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Denis Dupoiron
- Institut de Cancérologie de l'Ouest Paul Papin, 15 rue André Boquel-49055 Angers, France
| | - Edouard Yeramian
- Unité de Microbiologie Structurale, Institut Pasteur, CNRS, Univ. Paris, F-75015 Paris, France
| | - Laurent Marsollier
- Equipe ATIP AVENIR, CRCINA, INSERM, Univ. Nantes, Univ. Angers, 4 rue Larrey, F-49933 Angers, France.
| | - Priscille Brodin
- France Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR8204-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France.
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15
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Agostoni EC, Barbanti P, Calabresi P, Colombo B, Cortelli P, Frediani F, Geppetti P, Grazzi L, Leone M, Martelletti P, Pini LA, Prudenzano MP, Sarchielli P, Tedeschi G, Russo A. Current and emerging evidence-based treatment options in chronic migraine: a narrative review. J Headache Pain 2019; 20:92. [PMID: 31470791 PMCID: PMC6734211 DOI: 10.1186/s10194-019-1038-4] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 08/01/2019] [Indexed: 12/29/2022] Open
Abstract
Background Chronic migraine is a disabling condition that is currently underdiagnosed and undertreated. In this narrative review, we discuss the future of chronic migraine management in relation to recent progress in evidence-based pharmacological treatment. Findings Patients with chronic migraine require prophylactic therapy to reduce the frequency of migraine attacks, but the only currently available evidence-based prophylactic treatment options for chronic migraine are topiramate and onabotulinumtoxinA. Improved prophylactic therapy is needed to reduce the high burden of chronic migraine in Italy. Monoclonal antibodies that target the calcitonin gene-related peptide (CGRP) pathway of migraine pathogenesis have been specifically developed for the prophylactic treatment of chronic migraine. These anti-CGRP/R monoclonal antibodies have demonstrated good efficacy and excellent tolerability in phase II and III clinical trials, and offer new hope to patients who are currently not taking any prophylactic therapy or not benefitting from their current treatment. Conclusions Treatment of chronic migraine is a dynamic and rapidly advancing area of research. New developments in this field have the potential to improve the diagnosis and provide more individualised treatments for this condition. Establishing a culture of prevention is essential for reducing the personal, social and economic burden of chronic migraine.
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Affiliation(s)
| | - Piero Barbanti
- Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences, IRCCS San Raffaele Pisana, Rome, Italy. .,San Raffaele University, Rome, Italy.
| | - Paolo Calabresi
- Neurologic Clinic, Ospedale Santa Maria della, Perugia, Italy
| | - Bruno Colombo
- Dipartimento di Neurologia, Università Vita-Salute, Ospedale San Raffaele, Milan, Italy
| | - Pietro Cortelli
- IRCCS- Istituto di Scienze Neurologiche di Bologna, Bologna, Italy.,DIBINEM- University of Bologna, Bologna, Italy
| | - Fabio Frediani
- Headache Centre, UOC Neurologia e Stroke Unit, P.O. San Carlo Borromeo, ASST Santi Paolo e Carlo, Milan, Italy
| | - Pietrangelo Geppetti
- Department of Health Sciences, Section of Clinical Pharmacology and Headache Center, University of Florence, Florence, Italy
| | - Licia Grazzi
- Fondazione IRCCS Istituto Neurologico "C.Besta", Milan, Italy
| | - Massimo Leone
- Fondazione IRCCS Istituto Neurologico "C.Besta", Milan, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Luigi Alberto Pini
- Headache Center, Department of Biomedical, Metabolic and Neuro Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Maria Pia Prudenzano
- Headache Center, Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari, Bari, Italy
| | - Paola Sarchielli
- Headache Center, Neurologic Clinic, Ospedale Santa Maria della Misericordia, Perugia, Italy
| | - Gioacchino Tedeschi
- Headache Center Department of Medical, Surgical, Neurological, Metabolic, and Aging Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Antonio Russo
- Headache Center Department of Medical, Surgical, Neurological, Metabolic, and Aging Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
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16
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Vernieri F, Paolucci M, Altamura C, Pasqualetti P, Mastrangelo V, Pierangeli G, Cevoli S, D'Amico D, Grazzi L. Onabotulinumtoxin-A in Chronic Migraine: Should Timing and Definition of Non-Responder Status Be Revised? Suggestions From a Real-Life Italian Multicenter Experience. Headache 2019; 59:1300-1309. [PMID: 31454075 DOI: 10.1111/head.13617] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2019] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To clarify whether the clinical response after the first 2 cycles with Onabotulinumtoxin A can accurately predict the long-term response. BACKGROUND Onabotulinumtoxin-A (OBT-A) is an approved preventive treatment option for chronic migraine (CM). Nowadays, it remains to be clarified if the treatment has to be prolonged for at least an entire year (4 injections every 3 months - ie, quarterly, as proposed in the PREEMPT trials) or it can be halted after the second or third injection if not clinically effective. DESIGN AND METHODS We conducted a multicenter observational cohort study based on real-life data on the usage of OBT-A in CM patients from 2 Italian headache centers, Roma Campus Bio-Medico and Milano Besta, adopting the whole 4-injections protocol. We performed a retrospective analysis of medical records of consecutive patients treated in the 2 centers. The main statistical analysis aimed to evaluate longitudinal measures related to headache (monthly headache frequency, monthly number of analgesic drugs, MIDAS). We hypothesized from our clinical practice with OBT-A that only 2 cycles of treatment were not enough to actually define the non-responder status to botulinum toxin A and that probably a longer time of treatment is needed to get the condition of long-term (delayed) responder. RESULTS We considered 115 patients from the 2 centers: 53 in Roma and 62 in Milano. Regarding the main analysis, a clear improvement in each measure was obtained at the 6 months assessment and maintained up to 12 months. Comparing patients with <30% and ≥30% reduction in headache frequency between T0 and T2 or T4 (respectively, "Non-Responders" and "Responders"), we found that the agreement between the classification Responders/Non-Responders at T2 and T4 was not very high (79/104 = 76.0%, with a "moderate" Cohen's Kappa of 0.51), suggesting that the status at T4 is not fully predictable by the status at T2 (λ = 0.47). Responders for headache frequency at T4 were 54.8%. Among Responders at T2, Responders at T4 were 47/62 = 75.8% (95% CI: 64.5%, 85.5%), while among Non-Responders at T2, Responders at T4 were 10/42 = 23.8% (95% CI: 11.9%, 38.1%). Similarly, even when considering the 50% reduction in painkillers consumption or in MIDAS total score between T0 and T2 as possible prognostic factors, the changes occurring at T4 are not strongly predictable by those at T2. CONCLUSIONS A ≥30% reduction in headache frequency at T2 cut-off is not adequate in predicting a late response to treatment: more than a quarter of excluded patients would miss a clinical improvement with an ongoing treatment, while in a similar percentage of Responders the treatment would lose efficacy. Results from our real-life study suggest that we possibly have to postpone the definition of Responder/Non-Responder to OBT-A at least after 1 year of treatment (4 cycles).
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Affiliation(s)
- Fabrizio Vernieri
- UOS Cefalee e Neurosonologia, Neurologia, Policlinico Universitario Campus Bio-Medico di Roma, Roma, Italy
| | - Matteo Paolucci
- UOS Cefalee e Neurosonologia, Neurologia, Policlinico Universitario Campus Bio-Medico di Roma, Roma, Italy
| | - Claudia Altamura
- UOS Cefalee e Neurosonologia, Neurologia, Policlinico Universitario Campus Bio-Medico di Roma, Roma, Italy
| | - Patrizio Pasqualetti
- Servizio di Statistica medica, Fondazione Fatebenefratelli per la Ricerca e la Formazione Sanitaria e Sociale, Roma, Italy
| | - Vincenzo Mastrangelo
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie - DIBINEM, Università di Bologna, Bologna, Italy
| | - Giulia Pierangeli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy.,Dipartimento di Scienze Biomediche e Neuromotorie - DIBINEM, Università di Bologna, Bologna, Italy
| | - Sabina Cevoli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Domenico D'Amico
- Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Licia Grazzi
- Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
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17
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Ruscheweyh R, Förderreuther S, Gaul C, Gendolla A, Holle-Lee D, Jürgens T, Neeb L, Straube A. [Treatment of chronic migraine with botulinum neurotoxin A : Expert recommendations of the German Migraine and Headache Society]. DER NERVENARZT 2019; 89:1355-1364. [PMID: 29947936 DOI: 10.1007/s00115-018-0534-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Injection of botulinum neurotoxin A (BoNT-A) according to the PREEMPT (Phase 3 REsearch Evaluating Migraine Prophylaxis Therapy) paradigm has been approved for the treatment of refractory chronic migraine in Germany in 2011. OBJECTIVE The practical application raises some questions, such as the choice of dose and injection intervals during the course of the treatment, and the appropriate time point for discontinuation of BoNT-A treatment. MATERIAL AND METHODS Taking into account the existing literature, the German Migraine and Headache Society (Deutsche Migräne- und Kopfschmerzgesellschaft, DMKG) gives recommendations for the treatment of chronic migraine with BoNT-A. RESULTS Treatment is usually started with a dose of 155 U BoNT-A. During the first year of treatment, 3‑month injection intervals are recommended. Goal of the treatment is an improvement of migraine by ≥30%. If needed, dose escalation up to 195 U can be used to reach this goal. If improvement by ≥30% is not reached after the third injection cycle, the treatment is usually considered to be insufficiently efficient and discontinuation is recommended. If a stable success is reached during the first year of treatment, prolongation of injection intervals to 4 months can be considered. If success continues to be stable for at least two 4‑month intervals, discontinuation of BoNT-A treatment can be tried. CONCLUSION The literature on these points is insufficient for recommendations at the guideline level. The present recommendations are based on an expert consensus of the DMKG for the structured approach to the treatment of chronic migraine with BoNT-A.
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Affiliation(s)
- R Ruscheweyh
- Neurologische Klinik und Poliklinik, Klinikum der LMU München, München, Deutschland.
| | - S Förderreuther
- Neurologische Klinik und Poliklinik, Klinikum der LMU München, München, Deutschland
| | - C Gaul
- Migräne- und Kopfschmerzklinik Königstein, Königstein im Taunus, Deutschland
| | | | - D Holle-Lee
- Klinik für Neurologie und Westdeutsches Kopfschmerzzentrum, Universitätsklinikum Essen, Essen, Deutschland
| | - T Jürgens
- Klinik und Poliklinik für Neurologie, Universitätsmedizin Rostock, Rostock, Deutschland
| | - L Neeb
- Klinik und Hochschulambulanz für Neurologie, Charité Universitätsmedizin Berlin, Berlin, Deutschland
| | - A Straube
- Neurologische Klinik und Poliklinik, Klinikum der LMU München, München, Deutschland
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18
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Schiano di Cola F, Caratozzolo S, Liberini P, Rao R, Padovani A. Response Predictors in Chronic Migraine: Medication Overuse and Depressive Symptoms Negatively Impact Onabotulinumtoxin-A Treatment. Front Neurol 2019; 10:678. [PMID: 31354606 PMCID: PMC6635602 DOI: 10.3389/fneur.2019.00678] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 06/10/2019] [Indexed: 01/03/2023] Open
Abstract
Background: Despite numerous studies that have investigated clinical, radiological, and biochemical response predictors, the clinical profile of those patients who might benefit from OnabotulinumtoxinA is still missing. The aim of the present study was to identify potential OnabotulinumtoxinA response predictors among several clinical characteristics and confirm OnabotulinumtoxinA efficacy and safety in chronic migraine (CM) prevention. Methods: The study was conducted at the Headache Center—Neurology Clinic—Spedali Civili Hospital of Brescia. Eighty-four consecutive CM patients were enrolled, with a mean age of 48 years (SD 9.7) and a mean disease duration of 10.1 years (SD 6.6). The mean reported headache-days frequency was 22.5 (SD 5.9) per month, while the mean number of severe headache-days was 15.2 (SD 8.9) with a mean monthly medication intake of 33.2 (SD 5.6). The clinical characteristics analyzed as potential response predictors were: gender, disease duration, migraine characteristics (location, side constancy, unilateral autonomic and neurovegetative symptoms), previous prophylactic treatments, add-on therapies, withdrawal therapies, psychiatric (anxiety and depression symptoms) comorbidities and medication overuse. Results: A significant reduction from baseline to 3, 6, 9, and 12 month treatment cycles in total headache days, high intensity headache days and triptans consumption per month was found. Depressive symptoms and medication overuse negatively predicted OnabotulinumtoxinA outcome. Conclusions: Our results confirm the efficacy and safety of OnabotulinumtoxinA in CM. Depressive comorbidity and medication overuse, among all clinical variables, were the only significant response predictors. Such findings provide interesting insights regarding patients selection for OnabotulinumtoxinA treatment as, with the introduction of anti calcitonin gene-related (CGRP) monoclonal antibodies, clinicians will have to thoroughly judge and tailor among the many available therapeutic options now available. Future research might be needed to confirm our findings, in particular for its therapeutic implications.
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Affiliation(s)
- Francesca Schiano di Cola
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | | | | | - Renata Rao
- Neurology Unit, Spedali Civili Hospital, Brescia, Italy
| | - Alessandro Padovani
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
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19
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García-Azorin D, Santos-Lasaosa S, Gago-Veiga AB, Viguera Romero J, Guerrero-Peral AL. Real world preventative drug management of migraine among Spanish neurologists. J Headache Pain 2019; 20:19. [PMID: 30770719 PMCID: PMC6734505 DOI: 10.1186/s10194-019-0971-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 02/11/2019] [Indexed: 01/06/2023] Open
Abstract
Background Many different preventatives have showed efficacy in the treatment of migraine. National guidelines differ in their recommendations and patients’ characteristics are usually taken into account in their selection. In Spain, real life use of preventive therapies seems to be heterogeneous. We aimed to evaluate differences in clinical practice and adherence to national guidelines among Spanish neurologists. Methods Observational descriptive study. A survey was conducted among neurologists ascribed to the Spanish Society of Neurology. Participants were differentiated in accordance with their dedication to headache disorders. We analysed socio-demographic parameters and evaluated 43 questions considering migraine management as well as therapeutic choices regarding migraine sub-types and finally, neurologists’ personal perception. Results One hundred fifty-five neurologists participated from 17 different regions, 43.4% of them female and 53.3% under 40 years of age. 34.9% confirmed headache disorders as their main interest. The first choice for preventive therapy in chronic migraine among participants was topiramate (57%) followed by amytriptiline (17.9%) and beta-blockers (14.6%). However in episodic migraine, the preferred options were beta-blockers (47.7%), topiramate (21.5%) and amytriptiline (13.4%). Regarding perceived efficacy, topiramate was considered the best option in chronic migraine (42.7%) followed by onabotulinumtoxinA (25.5%) and amitryptiline (22.4%). Where episodic migraine was concerned, surveyed neurologists perceived topiramate (43.7%) and beta-blockers (30.3%) as the best options. When we evaluated the duration of treatment use with a view to adequate therapeutic response, 43.5% of neurologists preferred 3 months duration and 39.5% were in favour of 6 months duration in episodic migraine. However, considering the preferred duration of treatment use in chronic migraine, 20.4% recommended 3 months, 42.1% preferred 6 months and 12.5% and 22.4% opted for 9 and 12 months respectively. When considering onabotulinumtoxinA therapy, the number of prior therapeutic failures was zero in 7.2% of neurologists, one in 5.9%, two in 44.1%, three in 30.9% and four or more in 11.9%. Following an initial treatment failure with onabotulinumtoxinA, 49% of subjects decided against a second treatment. The number of OnabotA procedures before considering it as ineffective was two in 18.9% of neurologists, three in 70.8% and four in 10.4%. Conclusions The initial management of migraine among Spanish Neurologists is in line with most guidelines, where first choice preventative drugs are concerned. The Management of episodic migraine differed from chronic migraine, both in terms of neurologist preference and in their perceived efficacy. Electronic supplementary material The online version of this article (10.1186/s10194-019-0971-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- D García-Azorin
- Headache Unit, Neurology Department, Hospital Universitario Clínico de Valladolid, Avda. Ramón y Cajal 3, 47005, Valladolid, Spain.
| | - S Santos-Lasaosa
- Headache Unit. Neurology Departmente, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
| | - A B Gago-Veiga
- Headache Unit, Neurology Department, Hospital Universitario de la Princesa, Madrid, Spain
| | - J Viguera Romero
- Headache Unit, Neuroscience Department, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - A L Guerrero-Peral
- Headache Unit, Neurology Department, Hospital Universitario Clínico de Valladolid, Avda. Ramón y Cajal 3, 47005, Valladolid, Spain.,Institute for Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
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20
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Bendtsen L, Sacco S, Ashina M, Mitsikostas D, Ahmed F, Pozo-Rosich P, Martelletti P. Guideline on the use of onabotulinumtoxinA in chronic migraine: a consensus statement from the European Headache Federation. J Headache Pain 2018; 19:91. [PMID: 30259200 PMCID: PMC6755553 DOI: 10.1186/s10194-018-0921-8] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 09/20/2018] [Indexed: 12/11/2022] Open
Abstract
OnabotulinumtoxinA is being increasingly used in the management of chronic migraine (CM). Treatment with onabotulinumtoxinA poses challenges compared with traditional therapy with orally administered preventatives. The European Headache Federation identified an expert group that was asked to develop the present guideline to provide recommendations for the use of onabotulinumtoxinA in CM. The expert group recommend onabotulinumtoxinA as an effective and well-tolerated treatment of CM. Patients should preferably have tried two to three other migraine prophylactics before start of onabotulinumtoxinA. Patients with medication overuse should be withdrawn from the overused medication before initiation of onabotulinumtoxinA if feasible, if not onabotulinumtoxinA can be initiated from the start or before withdrawal. OnabotulinumtoxinA should be administered according to the PREEMPT injection protocol, i.e. injecting 155 U–195 U to 31–39 sites every 12-weeks. We recommend that patients are defined as non-responders, if they have less than 30% reduction in headache days per month during treatment with onabotulinumtoxinA. However other factors such as headache intensity, disability and patient preferences should also be considered when evaluating response. Treatment should be stopped, if the patient does not respond to the first two to three treatment cycles. Response to continued treatment with onabotulinumtoxinA should be evaluated by comparing the 4 weeks before with the 4 weeks after each treatment cycle. It is recommended that treatment is stopped in patients with a reduction to less than 10 headache days per month for 3 months and that patients are re-evaluated 4–5 months after stopping onabotulinumtoxinA to make sure that the patient has not returned to CM. Questions regarding efficacy and tolerability of onabotulinumtoxinA could be answered on the basis of scientific evidence. The other recommendations were mainly based on expert opinion. Future research on the treatment of CM with onabotulinumtoxinA may further improve the management of this highly disabling disorder.
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Affiliation(s)
- Lars Bendtsen
- Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, 2600, Glostrup, Denmark.
| | - Simona Sacco
- Neuroscience Section, Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, 67100, L'Aquila, Italy
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, 2600, Glostrup, Denmark
| | - Dimos Mitsikostas
- 1st Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Fayyaz Ahmed
- Department of Neurosciences, Hull York Medical School, Hull, UK
| | - Patricia Pozo-Rosich
- Headache & Craniofacial Pain Unit, Neurology Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain.,Headache Research Group, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
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21
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Raggi A, Grignani E, Leonardi M, Andrasik F, Sansone E, Grazzi L, D'Amico D. Behavioral Approaches for Primary Headaches: Recent Advances. Headache 2018; 58:913-925. [DOI: 10.1111/head.13337] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 04/27/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Alberto Raggi
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Eleonora Grignani
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Matilde Leonardi
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Frank Andrasik
- Department of Psychology; University of Memphis; Memphis TN USA
| | - Emanuela Sansone
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Licia Grazzi
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Domenico D'Amico
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
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22
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Shipkov H, Grozdev I. Injection Patterns of Onabotulinumtoxin A in Migraine Headache. Headache 2018; 58:148-150. [PMID: 29292512 DOI: 10.1111/head.13205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 07/05/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Hristo Shipkov
- From the Department of Plastic, Reconstructive and Aesthetic Surgery, Croix Rousse Hospital, Lyon, France.,Department of Plastic Surgery, St George University Hospital, Plovdiv, Bulgaria
| | - Ivan Grozdev
- Department of Neurology, Kaspela Hospital, Plovdiv, Bulgaria
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23
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Tassorelli C, Tedeschi G, Sarchielli P, Pini LA, Grazzi L, Geppetti P, De Tommaso M, Aguggia M, Cortelli P, Martelletti P. Optimizing the long-term management of chronic migraine with onabotulinumtoxinA in real life. Expert Rev Neurother 2017; 18:167-176. [PMID: 29280408 DOI: 10.1080/14737175.2018.1419867] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Management of chronic migraine is challenging. OnabotulinumtoxinA (OBT-A) is the only medication licensed for prevention of chronic migraine, and has been widely adopted in clinical practice. Limited data is available on its long-term use. Areas covered: Data from controlled trials are combined with available data on the long-term use of OBT-A in real-life studies, with information obtained in a recent survey among Italian headache centers, and the clinical experience of the authors. Six areas were identified as relevant to patients with chronic migraine: 1) definition of responders to OBT-A; 2) management of responders to OBT-A; 3) optimal timing of prophylaxis with OBT-A; 4) position of OBT-A in prevention of chronic migraine; 5) management of medication overuse, and 6) patient education. Expert commentary: This review provides an update on the latest evidence regarding the long-term use of OBT-A in chronic migraine and analyzes the critical issues in the decision-making process that emerge from the analysis of the literature and routine practice. A treatment algorithm is proposed for the adoption in the daily practice.
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Affiliation(s)
- Cristina Tassorelli
- a Headache Science Center , National Neurological Institute C. Mondino , Pavia , Italy.,b Department of Brain and Behavioral Sciences , University of Pavia , Pavia , Italy
| | - Gioacchino Tedeschi
- c Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - P Sarchielli
- d Neurology Clinic , University Hospital of Perugia , Perugia , Italy
| | - Luigi Alberto Pini
- e Center for Neuroscience and Neurotechnology, Polyclinic Hospital , University of Modena and Reggio Emilia , Modena , Italy
| | - Licia Grazzi
- f Headache and Neuroalgology Unit , Neurological Institute "C. Besta" IRCCS Foundation , Milan , Italy
| | - Pierangelo Geppetti
- g Headache Center, Department of Health Sciences , University of Florence , Florence , Italy
| | - Marina De Tommaso
- h Applied Neurophysiology and Pain Unit, SMBNOS Department, Polyclinic General Hospital , Bari Aldo Moro University , Bari , Italy
| | - Marco Aguggia
- i Headache Center, Neurology Department , Asti Hospital , Asti , Italy
| | - P Cortelli
- j Department of Biomedical and Neuromotor Sciences , University of Bologna , Bologna , Italy.,k IRCCS Institute of Neurological Sciences of Bologna , Bellaria Hospital , Bologna , Italy
| | - Paolo Martelletti
- l Department of Clinical and Molecular Medicine, Sapienza University of Rome and Regional Referral Headache Center , Sant'Andrea Hospital , Rome , Italy
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24
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Guerzoni S, Pellesi L, Baraldi C, Cainazzo MM, Negro A, Martelletti P, Pini LA. Long-term Treatment Benefits and Prolonged Efficacy of OnabotulinumtoxinA in Patients Affected by Chronic Migraine and Medication Overuse Headache over 3 Years of Therapy. Front Neurol 2017; 8:586. [PMID: 29163347 PMCID: PMC5676047 DOI: 10.3389/fneur.2017.00586] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/19/2017] [Indexed: 01/03/2023] Open
Abstract
Background Chronic migraine (CM) affects about the 2% of the general population and it has been recognized as one of the most-disabling conditions worldwide by the World Health Organization. CM is often associated with the overuse of abortive medication, which determines the worsening of headache itself and the development of a secondary headache called medication overuse headache. The management of these associated conditions is difficult, but a growing amount of evidence is pointing out the effectiveness and the good safety profile of OnabotulinumtoxinA (OnabotA). Despite this, data on OnabotA effects and safety in long-term use lack. The purpose of the present article is to retrospectively assess the efficacy and safety of OnabotA in a cohort of chronic migraineurs with drug overuse from the 18th month of treatment until the third year. Materials and methods 90 chronic migraineurs with medication overuse were enrolled between January 2013 and February 2017. All patients were treated with OnabotA according to PREEMPT dictates. Before every injection session the headache index, the analgesic consumption, the visual analog scale for pain score, the 36-items short form health survey questionnaire score, the 6-items headache impact test (HIT-6) score and the Zung self-rating anxiety and depression scale scores were collected. Adverse events were carefully registered. A simple linear regression was performed to explore the mean changes in the abovementioned parameters for a single injection session and mean comparison tests were performed using the one-way analysis of variance followed by Tukey–Kramer post-hoc test. Results A significantly improvement for a single injection was registered for all the above-mentioned parameters. Headache index, analgesic consumption, visual analog pain scale, and 6-items HIT-6 scores were significantly lower than baseline from the 18th month of treatment onwards. The 36-items short form health survey questionnaire scores were significantly higher than baseline at every injections session from the 18th months onwards. Zung scales did not change. No serious adverse events were assessed and no adverse events-related drop-outs were seen. Conclusion OnabotA effectiveness and safety last until 3 years of therapy, raising the possibility of the use of this therapy even for many years in CM prevention.
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Affiliation(s)
- Simona Guerzoni
- Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy
| | - Lanfranco Pellesi
- Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy
| | - Carlo Baraldi
- Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy
| | - Michela Maria Cainazzo
- Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy
| | - Andrea Negro
- Regional Referral Headache Centre, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Paolo Martelletti
- Regional Referral Headache Centre, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Luigi Alberto Pini
- Headache and Drug Abuse Research Centre, Policlinico Hospital, Department of Diagnostic Medicine, Clinical and Public Health, University of Modena e Reggio Emilia, Modena, Italy.,Center for Neuroscience and Neurotechnology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena e Reggio Emilia, Modena, Italy
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25
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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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