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Hu X, Xia Y, Li J, Wang X, Liu H, Hu J, Bi J, Wu J, Wang T, Lin Z, Xiong N. Efficacy and Safety of Botulinum Toxin Type A in the Treatment of Trigeminal Neuralgia: An Update on Systematic Review With Meta-analyses. Clin J Pain 2024; 40:383-392. [PMID: 38385501 DOI: 10.1097/ajp.0000000000001207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 02/01/2024] [Indexed: 02/23/2024]
Abstract
OBJECTIVE Pain management in patients with TN is challenging, as facial pain often does not respond well to conventional therapies. Botulinum toxin type A (BTX-A) has been suggested as a potential treatment option, but there is limited evidence regarding its long-term efficacy. This review aimed to analyze the current data for the use of in the treatment of trigeminal neuralgia (TN) and highlight the evidence for its efficacy and safety. METHODS A comprehensive search was conducted in various databases (PubMed, Scopus, Embase, ClinicalTrials, and Cochrane Library) to identify clinical studies evaluating the use of BTX-A in TN until October 2023. Randomized controlled trials (RCTs), single-arm studies, and stratified studies were included in the analysis. The mean difference (MD), effect size (ES), and 95% confidence interval (CI) were estimated for visual analogue scale (VAS) scores, pain episode frequency, and the proportion of responders. RESULTS The analysis included 23 studies, including 4 RCTs, 14 single-arm studies, and 5 stratified studies. In the RCTs, BTX-A was found to significantly reduce mean VAS scores compared with baseline (ES: -4.05; 95% CI: -6.13, -1.97; P =0.002). In 19 non-RCTs, the pooled single-arm analysis revealed that BTX-A decreased VAS scores (ES: -5.19, 95% CI: -6.05, -4.33, P <0.001) and pain attack frequency (ES: -17.85, 95% CI: -23.36, -12.34, P <0.001) from baseline to the end of follow-up. The overall proportion of responders to BTX-A treatment was also significant (95% CI: 0.653, 0.761, P =0.003). DISCUSSION Current evidence indicates that BTX-A injection is an effective and safe option for patients with refractory TN or not responding to medical or surgical management. However, more high-quality studies are needed to further confirm its efficacy.
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Affiliation(s)
- Xinyu Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwen Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinyi Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hanshu Liu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jichuan Hu
- Department of Neurology, People's Hospital of Dongxihu District, Wuhan, China
| | - Juan Bi
- Department of Neurology, People's Hospital of Dongxihu District, Wuhan, China
| | - Jing Wu
- Department of Epidemiology and Biostatistics and MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhicheng Lin
- Laboratory of Psychiatric Neurogenomics, McLean Hospital, Harvard Medical School, Belmont, MA
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Borodic G. Botulinum toxin type A in multimodal management of age-related macular degeneration and related diseases. Toxicon 2023; 236:107170. [PMID: 37210045 DOI: 10.1016/j.toxicon.2023.107170] [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: 03/01/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/22/2023]
Abstract
Age related macular degeneration (AMD) is the major cause of visual loss in the aging population in the Western world. In past decade, intra ocular injections of anti-vascular endothelial growth factor (anti-VEGF) pharmaceuticals have revolutionized therapy for exudative (edematous-wet) AMD and become standard practice for the near term. However repeated intra-ocular injections are required for years and long terms results have been limited. The pathogenesis of this condition is multifactorial involving genetic, ischemic, inflammatory factors leading to neovascularization, edema and retinal pigment epithelial scaring resulting in photoreceptor destruction. Based on coincidental observation in reduction in AMD related macular edema on ocular coherence tomography (OCT) in a BoNT A treated patient with facial movement disease, BoNT-A at conventional doses targeting the para orbital area was added to therapeutic regiment in a small number of patients with exudative macular degeneration or related diseases. Measurements of edema and choriocapillaris using Spectral Doman (OCT) and Ocular Coherence Angiography (OCT-A) and Snellen visual acuity were made over the evaluation period. 15 eyes in 14 patients averaged 361 μm central sub foveal edema (CSFT) pre injection and average of 266 μm (CSFT) post injection over an average of 21 months and 5.7 cycles using BoNT A alone at conventional doses (n = 86 post injection measurements, paired t-test p < 0.001 two tailed). Visions at baseline in patients with 20/40 or worse averaged 20/100- pre injection improved to an average of 20/40- in the post injection period (n = 49 measurements p < 0.002 paired t-test). The previous data was added to a group of 12 more severely afflicted patients receiving anti VEGF (aflibercept or bevacizumab) (total 27 patients). With this 27-patient group, patients were followed for an average of 20 months and receiving average of 6 cycles at conventional doses. Improvement in exudative edema and vision were noted with pre injection baseline CSFT average 399.5, post injection average 267, n = 303 post measurement, independent t-test P < 0.0001.). Snellen vision 20/128 baseline average improved to average of 20/60- during post injection period (n = 157 post injection measurements, p < 0.0001 paired t-test to baseline). No substantial adverse effects were noted. Cyclic effects were noted corresponding to duration of action of BoNT-A on a number of patients. The above data is preliminary and is skewed toward early leakage for all conditions. BoNT A may have a role in the treatment of aged related macular degeneration. Controlled studies are needed with careful staging and baseline stratifications for multi-modal management paradigms. The findings are discussed relative to known botulinum toxin type A pharmacology and AMD pathogenesis.
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Affiliation(s)
- Gary Borodic
- Associated Eye Physicians and Surgeons Inc, Quincy, Ma, 02169, USA.
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Acosta-Olivo C, Simental-Mendía LE, Vilchez-Cavazos F, Peña-Martínez VM, Elizondo-Rodíguez J, Simental-Mendía M. Clinical Efficacy of Botulinum Toxin in the Treatment of Plantar Fasciitis: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Arch Phys Med Rehabil 2021; 103:364-371.e2. [PMID: 34688605 DOI: 10.1016/j.apmr.2021.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/24/2021] [Accepted: 10/01/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To evaluate the efficacy of botulinum toxin A (BTX-A) for the treatment of plantar fasciitis through a meta-analysis of randomized controlled trials (RCTs) focusing on pain and functional outcomes since current literature has supported a potential benefit of BTX-A. DATA SOURCES The MEDLINE, EMBASE, Web of Science, and Scopus databases were searched until December 2020 for RCTs reporting the effects of BTX-A injections on plantar fasciitis. The complementary literature search included Cochrane Central Register of Controlled Trials, Clinicaltrials.gov, and greylit.org. STUDY SELECTION Only RCTs assessing the effect of BTX-A injections on pain, functional improvement, or plantar fascia thickness in patients with plantar fasciitis were included. Multiple researchers carried out the screening process of the 413 records. DATA EXTRACTION Data were extracted independently and in duplicate using a standardized data extraction format. Information was contrasted by a third observer. DATA SYNTHESIS BTX-A injections resulted in significant pain relief (mean difference, -2.07 [95% CI, -3.21 to -0.93]; P=.0004; I2=97%) and functional improvement (standardized mean difference, 1.15 [95% CI, 0.39-1.91]; P=.003; I2=87%). A subanalysis indicated that pain relief was sustained at 12 months while functional improvement remained significant after 0-6 months. The results were not affected by a single study after sensitivity analysis. The site of injection and the use or not of ultrasound-guided injections may account for potential sources of interstudy heterogeneity. CONCLUSIONS This meta-analysis suggests both a statistically significant and a clinically meaningful improvement on plantar fasciitis symptoms after BTX-A treatment.
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Affiliation(s)
- Carlos Acosta-Olivo
- Universidad Autónoma de Nuevo León, Orthopedics and Traumatology Service, Hospital Universitario "Dr José Eleuterio González," School of Medicine, Monterrey, México
| | - Luis E Simental-Mendía
- Instituto Mexicano del Seguro Social, Unidad de Investigación Biomédica, Delegación Durango, Durango, México
| | - Félix Vilchez-Cavazos
- Universidad Autónoma de Nuevo León, Orthopedics and Traumatology Service, Hospital Universitario "Dr José Eleuterio González," School of Medicine, Monterrey, México
| | - Víctor M Peña-Martínez
- Universidad Autónoma de Nuevo León, Orthopedics and Traumatology Service, Hospital Universitario "Dr José Eleuterio González," School of Medicine, Monterrey, México
| | - Jorge Elizondo-Rodíguez
- Universidad Autónoma de Nuevo León, Orthopedics and Traumatology Service, Hospital Universitario "Dr José Eleuterio González," School of Medicine, Monterrey, México
| | - Mario Simental-Mendía
- Universidad Autónoma de Nuevo León, Orthopedics and Traumatology Service, Hospital Universitario "Dr José Eleuterio González," School of Medicine, Monterrey, México.
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Miotto E, Salvatore Freitas KM, Mori AA, Valarelli FP, Gobbi de Oliveira RC, Oliveira RC. Effect of botulinum toxin on quality of life of patients with chronic myofascial pain. Pain Manag 2021; 11:583-593. [PMID: 33980033 DOI: 10.2217/pmt-2020-0045] [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] [Indexed: 01/10/2023] Open
Abstract
Aim: This prospective controlled clinical study aimed to evaluate the effect of botulinum toxin Type A (BTX-A) on pain control and quality of life (QoL) in patients with chronic myofascial pain. Materials & methods: Patients with chronic myofascial pain were randomly divided into two groups (n = 20): counseling and self-care and Michigan-type occlusal splint (MOS) (CG-control group) or BTX-A injection (BTX-AG). The pain was evaluated with visual analogue scale and QoL with the oral health impact profile-14 (OHIP-14) questionnaire. Results: In both groups, the pain was reduced, and QoL improved after 30 days. The results of social disability and handicap were better for patients treated with counseling and self-care and MOS. Conclusion: Minimally invasive strategies and BTX-A application improved QoL and alleviated myofascial pain.
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Affiliation(s)
- Edivaldo Miotto
- Department of Orthodontics, Ingá University Center UNINGÁ, Maringá, Brazil
| | | | - Aline Akemi Mori
- Department of Orthodontics, Ingá University Center UNINGÁ, Maringá, Brazil
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Baral H, Sekiguchi A, Uchiyama A, Nisaa Amalia S, Yamazaki S, Inoue Y, Yokoyama Y, Ogino S, Torii R, Hosoi M, Akai R, Iwawaki T, Ishikawa O, Motegi SI. Inhibition of skin fibrosis in systemic sclerosis by botulinum toxin B via the suppression of oxidative stress. J Dermatol 2021; 48:1052-1061. [PMID: 33840125 DOI: 10.1111/1346-8138.15888] [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: 03/02/2021] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 12/14/2022]
Abstract
Oxidative stress has been reported to play an important role in the pathogenesis of skin fibrosis in systemic sclerosis (SSc). We previously identified that botulinum toxin (BTX) injection suppresses pressure ulcer formation in a cutaneous ischemia-reperfusion injury mouse model by regulation of oxidative stress. However, the therapeutic possibility of BTX administration for preventing skin fibrosis in SSc is unclear. The objective of this study was to investigate the effect of BTX-B on skin fibrosis in a murine model of SSc and determine the underlying mechanism. We found that BTX-B injection significantly reduced dermal thickness and inflammatory cell infiltration in bleomycin-induced skin fibrosis lesion in mice. We also identified that the oxidative stress signal detected through bioluminescence in OKD48 mice after bleomycin injection in the skin was significantly decreased by BTX-B. Additionally, mRNA levels of oxidative stress associated factors (NOX2, HO-1, Trx2) were significantly decreased by BTX-B. Apoptotic cells in the lesional skin of bleomycin-treated mice were significantly reduced by BTX-B. Oxidant-induced intracellular accumulation of reactive oxygen species in SSc fibroblasts was also inhibited by BTX-B. In conclusion, BTX-B might improve bleomycin-induced skin fibrosis via the suppression of oxidative stress and inflammatory cells in the skin. BTX-B injection may have a therapeutic effect on skin fibrosis in SSc.
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Affiliation(s)
- Hritu Baral
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akiko Sekiguchi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiko Uchiyama
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Syahla Nisaa Amalia
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sahori Yamazaki
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yuta Inoue
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoko Yokoyama
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sachiko Ogino
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryoko Torii
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Mari Hosoi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryoko Akai
- Division of Cell Medicine, Department of Life Science, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| | - Takao Iwawaki
- Division of Cell Medicine, Department of Life Science, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| | - Osamu Ishikawa
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sei-Ichiro Motegi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
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Treatment of "plantar fasciitis"/Plantar Heel Pain Syndrome with botulinum toxin - A novel injection paradigm pilot study. Foot (Edinb) 2020; 45:101711. [PMID: 33038660 DOI: 10.1016/j.foot.2020.101711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/26/2020] [Accepted: 07/03/2020] [Indexed: 02/04/2023]
Abstract
Randomized controlled trials over the last two decades, although promising with favorable results, have shown varied efficacy in treatment of "plantar fasciitis" with botulinum toxin injection1. One reason may be due to conflating the variabilities of plantar heel conditions solely as plantar fasciitis. Plantar Heel Pain Syndrome can be of one or more etiologies and symptoms which refutes the mistaken tendency to categorize all plantar heel pain singularly as either plantar fasciitis or fasciosis. Recognizing that there is likely an interplay of inflammatory, degenerative, and neuropathic etiologic conditions of this often-difficult malady to treat, a novel injection paradigm of botulinum toxin is explored in the treatment of 4 distinct presentations of Plantar Heel Pain Syndrome with encouraging results. Botulinum toxin injection into two intrinsic foot muscles; Abductor Hallucis and Quadratus Plantae at their origins with electrical stimulation is presented as novel method to treat four distinct etiologies of Plantar Heel Pain Syndrome. This method of botulinum toxin injection resulted in significant prolonged improvement of patient function and pain reduction in four variations of Plantar Heel Pain Syndrome. A precise injection paradigm facilitated with direct intrinsic muscle stimulation of the Abductor Hallucis and Quadratus Plantae at their origins may prove to be effective in reducing the disabilities of Plantar Heel Pain Syndrome and its associated pain.
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Wu T, Song HX, Li YZ, Ye Y, Li JH, Hu XY. Clinical effectiveness of ultrasound guided subacromial-subdeltoid bursa injection of botulinum toxin type A in hemiplegic shoulder pain: A retrospective cohort study. Medicine (Baltimore) 2019; 98:e17933. [PMID: 31702679 PMCID: PMC6855603 DOI: 10.1097/md.0000000000017933] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Hemiplegic shoulder pain (HSP), which occurs in most patients with hemiplegia, causes considerable distress and worsens outcomes in rehabilitation. Although they have received the treatments such as anti-inflammatory drugs or physical therapy, many of the individuals remain suffering from shoulder pain 6 months after acute stroke event. In this retrospective study, we evaluated the effectiveness of ultrasound guided subacromial-subdeltoid (SASD) bursa injections with botulinum toxin type A (BoNT/A) compared to steroids for refractory HSP.The data were collected retrospectively by reviewing the patient's medical records and pain questionnaires in our rehabilitation center. In total, 38 patients who received ultrasound guided SASD bursa injection (BoNT/A group, n = 18; corticosteroid group, n = 20) were included. The pain visual analog scale (VAS) score at rest and during arm passive abduction, Fugl-Meyer score of upper limbs (F-M score) were evaluated before, 2, 4, 8, and 12 weeks after injection.Both 2 groups obtained a significant improvement of VAS score at rest or during arms passive abduction compared to baseline score (within group compare, P < .05). There were no significant differences of pain score improvement between two groups at week 2, 4, 8, and 12 after injection either at rest or during passive arm abduction (between 2 groups compare, P > .05). There were also no differences in results of the post treatment F-M score between 2 groups (between 2 groups compare, P > .05). Similarly, during the follow-up period no collateral effects were reported after BoNT/A injection.SASD bursa BoNT/A injection can substantially reduce the pain as corticosteroid in patients with HSP. BoNT/A injection could be a useful strategy for replacing steroids as a treatment for refractory HSP especially in the patients who cannot tolerate the steroids injection.
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Affiliation(s)
- Tao Wu
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University,
| | - Hai-Xin Song
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University,
| | - Yang Zheng Li
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University,
| | - Ye Ye
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University,
| | - Jian-Hua Li
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University,
| | - Xing Yue Hu
- Department of Neurology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hang Zhou, Zhe Jiang, PR China
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Kwon KH, Shin KS, Yeon SH, Kwon DG. Application of botulinum toxin in maxillofacial field: Part II. Wrinkle, intraoral ulcer, and cranio-maxillofacial pain. Maxillofac Plast Reconstr Surg 2019; 41:42. [PMID: 31649903 PMCID: PMC6795672 DOI: 10.1186/s40902-019-0224-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/26/2019] [Indexed: 11/10/2022] Open
Abstract
Botulinum toxin (BTX) is used in various ways such as temporarily resolving muscular problems in musculoskeletal temporomandibular disorders, inducing a decrease in bruxism through a change in muscular patterns in a patient’s bruxism, and solving problems in patients with tension headache. And also, BTX is widely used in cosmetic applications for the treatment of facial wrinkles after local injection, but conditions such as temporomandibular joint disorders, headache, and neuropathic facial pain could be treated with this drug. In this report, we will discuss the clinical use of BTX for facial wrinkle, intraoral ulcer, and cranio-maxillofacial pain with previous studies and share our case.
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Affiliation(s)
- Kyung-Hwan Kwon
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, South Korea
| | - Kyung Su Shin
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, South Korea
| | - Sung Hee Yeon
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, South Korea
| | - Dae Gun Kwon
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, South Korea
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Can Botulinum Toxin A Still Have a Role in Treatment of Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia Through Inhibition of Chronic Prostatic Inflammation? Toxins (Basel) 2019; 11:toxins11090547. [PMID: 31546892 PMCID: PMC6784075 DOI: 10.3390/toxins11090547] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 09/12/2019] [Accepted: 09/17/2019] [Indexed: 11/16/2022] Open
Abstract
Patients with benign prostatic hyperplasia (BPH) can exhibit various lower urinary tract symptoms (LUTS) owing to bladder outlet obstruction (BOO), prostatic inflammation, and bladder response to BOO. The pathogenesis of BPH involves an imbalance of internal hormones and chronic prostatic inflammation, possibly triggered by prostatic infection, autoimmune responses, neurogenic inflammation, oxidative stress, and autonomic dysfunction. Botulinum toxin A (BoNT-A) is well recognized for its ability to block acetylcholine release at the neuromuscular junction by cleaving synaptosomal-associated proteins. Although current large clinical trials have shown no clinical benefits of BoNT-A for the management of LUTS due to BPH, BoNT-A has demonstrated beneficial effects in certain subsets of BPH patients with LUTS, especially in males with concomitant chronic prostatitis/chronic pelvic pain syndrome and smaller prostate. We conducted a review of published literature in Pubmed, using Botulinum toxin, BPH, BOO, inflammation, LUTS, and prostatitis as the key words. This article reviewed the mechanisms of BPH pathogenesis and anti-inflammatory effects of BoNT-A. The results suggested that to achieve effectiveness, the treatment of BPH with BoNT-A should be tailored according to more detailed clinical information and reliable biomarkers.
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Villa S, Raoul G, Machuron F, Ferri J, Nicot R. Improvement in quality of life after botulinum toxin injection for temporomandibular disorder. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2019; 120:2-6. [DOI: 10.1016/j.jormas.2018.10.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 08/27/2018] [Accepted: 10/21/2018] [Indexed: 12/17/2022]
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Saltvig I, Matzen SH. Incidental Treatment of a Subclinical Chronic Tension-Type Headache by Cosmetic Use of Botulinum Toxin A: A Case Report. Case Rep Dermatol 2018. [PMID: 29515393 PMCID: PMC5836173 DOI: 10.1159/000484657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background Headache is a common disorder of the nervous system; chronic headache in particular may affect quality of life negatively. The pathophysiology is multifactorial and not completely elucidated. Studies have demonstrated the beneficial effects of botulinum toxin A on chronic migraine headaches, but failed to show the same effect on chronic tension-type headaches. Methods We present the case of a 32-year-old woman who after receiving cosmetic injections with botulinum toxin A for fine lines of the forehead experienced relief of subclinical tension-type headaches. Conclusions Although the effect of botulinum toxin A on chronic tension-type headaches is limited, several studies demonstrate its pain-modulating effects, and as such it is worth paying attention to this potential beneficial effect when performing cosmetic injections with botulinum toxin A.
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Affiliation(s)
- Iselin Saltvig
- Department of Plastic and Breast Surgery, Zealand University Hospital, Roskilde, Denmark
| | - Steen Henrik Matzen
- Department of Plastic and Breast Surgery, Zealand University Hospital, Roskilde, Denmark
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12
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Heikkilä HM, Jokinen TS, Syrjä P, Junnila J, Hielm-Björkman A, Laitinen-Vapaavuori O. Assessing adverse effects of intra-articular botulinum toxin A in healthy Beagle dogs: A placebo-controlled, blinded, randomized trial. PLoS One 2018; 13:e0191043. [PMID: 29320549 PMCID: PMC5761897 DOI: 10.1371/journal.pone.0191043] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 12/27/2017] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To investigate the clinical, cytological, and histopathological adverse effects of intra-articularly injected botulinum toxin A in dogs and to study whether the toxin spreads from the joint after the injection. METHODS A longitudinal, placebo-controlled, randomized clinical trial was conducted with six healthy laboratory Beagle dogs. Stifle joints were randomized to receive either 30 IU of onabotulinum toxin A or placebo in a 1:1 ratio. Adverse effects and spread of the toxin were examined by evaluating dynamic and static weight-bearing of the injected limbs, by assessing painless range of motion and pain on palpation of joints, and by performing synovial fluid analysis, neurological examination, and electrophysiological recordings at different examination time-points in a 12-week period after the injections. The dogs were then euthanized and autopsy and histopathological examination of joint structures and adjacent muscles and nerves were performed. RESULTS Intra-articular botulinum toxin A did not cause local weakness or injection site pain. Instead, static weight-bearing and painless range of motion of stifle joints decreased in the placebo limbs. No clinically significant abnormalities associated with intra-articular botulinum toxin A were detected in the neurological examinations. Electrophysiological recordings showed low compound muscle action potentials in two dogs in the botulinum toxin A-injected limb. No significant changes were detected in the synovial fluid. Autopsy and histopathological examination of the joint and adjacent muscles and nerves did not reveal histopathological adverse effects of the toxin. CONCLUSION Intra-articular botulinum toxin A does not produce significant clinical, cytological, or histopathological adverse effects in healthy dogs. Based on the electrophysiological recordings, the toxin may spread from the joint, but its clinical impact seems to be low.
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Affiliation(s)
- Helka M. Heikkilä
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- * E-mail:
| | - Tarja S. Jokinen
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Pernilla Syrjä
- Department of Veterinary Biosciences, Veterinary Pathology, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | | | - Anna Hielm-Björkman
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Outi Laitinen-Vapaavuori
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Protective Effect of Botulinum Toxin Type A Against Atopic Dermatitis-Like Skin Lesions in NC/Nga Mice. Dermatol Surg 2017; 43 Suppl 3:S312-S321. [PMID: 28445195 DOI: 10.1097/dss.0000000000001170] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Botulinum neurotoxin (BTX) A possesses various biological activities, including anti-inflammatory and antipruritic actions. Human and animal studies have shown that BTX is effective in treating histamine-induced itch, lichen simplex chronicus, psoriasis, rosacea, allergic rhinitis, and scar prevention. However, its effect on atopic dermatitis (AD) has not been studied yet. OBJECTIVE To examine the effect of BTX on AD using a mouse model. The primary outcome was skin thickness and transepidermal water loss (TEWL), and the secondary outcome was the alteration in skin severity scores, histological, and laboratory test results. METHODS Forty-two NC/Nga mice (a mouse model for AD) were allocated into 6 groups (the untreated, 2-Chloro-1,3,5-trinitrobenzene [TNCB] alone, TNCB + BTX 30 U/kg, TNCB + BTX 60 U/kg, TNCB + vehicle [0.9% saline], TNCB + 0.03% tacrolimus). Those of the BTX group received intradermal injections of BTX on the rostral back once on the day of TNCB sensitization. The effect of BTX in TNCB-treated NC/Nga mice was assessed by measuring skin thickness, TEWL (primary outcome), the skin severity scores, histological changes of test skin including mast cell count, interleukin (IL)-4 mRNA and protein expression, and total serum IgE (secondary outcome). RESULTS A single intradermal injection of BTX significantly suppressed skin thickness and TEWL in the TNCB-applied skin. The clinical severity scores, acanthosis and mast cell infiltration, were less in the BTX groups. BTX injection also inhibited TNCB-induced increase in IL-4 mRNA and protein expression in mice, but its effect on serum IgE level was not significant. CONCLUSION The preliminary results suggest that BTX may be a novel approach to the prevention and supplemental treatment of acute AD lesions.
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Progress on Botulinum Toxin Type A-Induced Pain Relief in the Field of Plastics. J Craniofac Surg 2017; 28:2045-2052. [DOI: 10.1097/scs.0000000000003981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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The Evaluation of the Clinical Effects of Botulinum Toxin on Nocturnal Bruxism. Pain Res Manag 2017; 2017:6264146. [PMID: 28757802 PMCID: PMC5516743 DOI: 10.1155/2017/6264146] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 05/21/2017] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Nocturnal bruxism can be managed by botulinum toxin (Botox®) in patients who have not responded to conservative treatment. The aim of this study was to evaluate the efficacy of botulinum toxin A (BTXA) in the treatment of nocturnal bruxism. MATERIAL AND METHODS The retrospective study comprised 25 female patients, aged 23-55 years (mean 35.84 ± 8.41 years). All patients received a single injection of BTXA in the right and left masseters. Evaluation was made by Visual Analogue Scale (VAS) values, complaint duration, onset of effect, and duration of effectiveness. RESULTS BTXA produced significant improvements in pain scores. Only 2 adverse events (8%) were recorded. CONCLUSION BTX-A is effective in the treatment of nocturnal bruxism.
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The effect of intra-articular botulinum toxin A on substance P, prostaglandin E 2, and tumor necrosis factor alpha in the canine osteoarthritic joint. BMC Vet Res 2017; 13:74. [PMID: 28327134 PMCID: PMC5359943 DOI: 10.1186/s12917-017-0990-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 03/08/2017] [Indexed: 11/27/2022] Open
Abstract
Background Recently, intra-articular botulinum toxin A (IA BoNT A) has been shown to reduce joint pain in osteoarthritic dogs. Similar results have been reported in human patients with arthritis. However, the mechanism of the antinociceptive action of IA BoNT A is currently not known. The aim of this study was to explore this mechanism of action by investigating the effect of IA BoNT A on synovial fluid (SF) and serum substance P (SP), prostaglandin E2 (PGE2), and tumor necrosis factor alpha (TNF-α) in osteoarthritic dogs. Additionally, the aim was to compare SF SP and PGE2 between osteoarthritic and non-osteoarthritic joints, and investigate associations between SP, PGE2, osteoarthritic pain, and the signalment of dogs. Thirty-five dogs with chronic naturally occurring osteoarthritis and 13 non-osteoarthritic control dogs were included in the study. Osteoarthritic dogs received either IA BoNT A (n = 19) or IA placebo (n = 16). Serum and SF samples were collected and osteoarthritic pain was evaluated before (baseline) and 2 and 8 weeks after treatment. Osteoarthritic pain was assessed with force platform, Helsinki Chronic Pain Index, and joint palpation. Synovial fluid samples were obtained from control dogs after euthanasia. The change from baseline in SP and PGE2 concentration was compared between the IA BoNT A and placebo groups. The synovial fluid SP and PGE2 concentration was compared between osteoarthritic and control joints. Associations between SP, PGE2, osteoarthritic pain, and the signalment of dogs were evaluated. Results There was no significant change from baseline in SP or PGE2 after IA BoNT A. Synovial fluid PGE2 was significantly higher in osteoarthritic compared to control joints. Synovial fluid PGE2 correlated with osteoarthritic pain. No associations were found between SP or PGE2 and the signalment of dogs. The concentration of TNF-α remained under the detection limit of the assay in all samples. Conclusions The results suggest that the antinociceptive effect of IA BoNT A in the joint might not be related to the inhibition of SP nor PGE2. Synovial fluid PGE2, but not SP, could be a marker for chronic osteoarthritis and pain in dogs.
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Abstract
BACKGROUND This study examined the effect of botulinum toxin upon plantar fasciitis through a randomized, controlled, and blinded trial. MATERIALS Between 2012 and 2015, 50 patients presented with plantar fasciitis. Twenty-five patients each randomly received an IncobotulinumtoxinA (IBTA) or saline injection of their affected foot. Pre- and postinjection function and pain were graded with the Foot and Ankle Ability Measures (FAAM) and visual analog scale (VAS), respectively. All 50 study patients who randomly received either placebo or IBTA presented at 6 and 12 months after injection. RESULTS At 6 months, the mean FAAM increased from 35.9 to 40.9 of 100, and the mean pain score decreased from 8.4 to 7.9 of 10 within the placebo group. At 6 months, the mean FAAM increased from 36.3 to 73.8 of 100, and mean pain score decreased from 7.2 to 3.6 of 10 within the IBTA group. These postinjection scores were significantly better than the placebo group ( P = .01). At 12 months after injection, the IBTA group maintained significantly better function and pain than the placebo group ( P < .05). By that time, 0 (0%) and 3 (12%) patients who received IBTA and saline, respectively, underwent surgery for recalcitrant plantar fasciitis ( P < .005). CONCLUSION Compared with placebo saline injection, using IBTA to treat plantar fasciitis resulted in significantly better improvement in foot function and pain. IBTA also lessened the need for operative treatment of plantar fasciitis. LEVEL OF EVIDENCE I, Randomized, double-blinded, placebo-controlled study.
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Affiliation(s)
- Jamal Ahmad
- 1 Orthopaedic Foot and Ankle Surgery, Rothman Institute Orthopaedics, Philadelphia, PA, USA
| | - Stacy H Ahmad
- 2 Department of Anatomy, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, USA
| | - Kennis Jones
- 3 Rothman Institute Orthopaedics, Philadelphia, PA
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Cartagena-Sevilla J, García-Fernández MR, Vicente-Villena JP. Analgesic Effect of Botulinum Toxin A in Myofascial Pain Syndrome Patients Previously Treated with Local Infiltration of Anesthetic and Steroids. J Pain Palliat Care Pharmacother 2016; 30:269-275. [DOI: 10.1080/15360288.2016.1231742] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Wu T, Song HX, Dong Y, Ye Y, Li JH. Intra-articular injections of botulinum toxin a for refractory joint pain: a systematic review and meta-analysis. Clin Rehabil 2016; 31:435-443. [PMID: 27094033 DOI: 10.1177/0269215516644951] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Tao Wu
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hang Zhou, PR China
- Tao Wu and Hai-xin Song contributed equally to this work
| | - Hai-xin Song
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hang Zhou, PR China
- Tao Wu and Hai-xin Song contributed equally to this work
| | - Yan Dong
- Department of Rehabilitation Medicine, Hangzhou Hospital of Zhejiang CAPF, Hang Zhou, PR China
| | - Ye Ye
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hang Zhou, PR China
| | - Jian-hua Li
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hang Zhou, PR China
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Harries MJ, Wong S, Farrant P. Frontal Fibrosing Alopecia and Increased Scalp Sweating: Is Neurogenic Inflammation the Common Link? Skin Appendage Disord 2016; 1:179-84. [PMID: 27386462 DOI: 10.1159/000444758] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 02/16/2016] [Indexed: 12/19/2022] Open
Abstract
Frontal fibrosing alopecia (FFA) is an uncommon scarring hair loss disorder that is characterized by a band-like recession of the frontal hair line with eyebrow hair loss. We present a series of patients with FFA and increased sweating predominantly localized to the scalp, and potential explanations for this association are discussed. We hypothesize that the reported increase in sweating seen in our patients may be in part related to the inflammatory process occurring locally within the skin, either inducing a local axonal sweating reflex or through direct modulation of sweat gland secretion by neuropeptides.
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Affiliation(s)
- Matthew J Harries
- Dermatology Centre, University of Manchester, Salford Royal NHS Foundation Trust, Salford, UK
| | - Sharon Wong
- Department of Dermatology, Homerton University Hospital NHS Foundation Trust, London, UK
| | - Paul Farrant
- Department of Dermatology, Brighton and Sussex University Hospitals NHS Trust, Brighton, UK
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Effectiveness of Botulinum Toxin for Shoulder Pain Treatment: A Systematic Review and Meta-Analysis. Arch Phys Med Rehabil 2015; 96:2214-20. [DOI: 10.1016/j.apmr.2015.06.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 06/29/2015] [Accepted: 06/30/2015] [Indexed: 11/20/2022]
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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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Chen YW, Chiu YW, Chen CY, Chuang SK. Botulinum toxin therapy for temporomandibular joint disorders: a systematic review of randomized controlled trials. Int J Oral Maxillofac Surg 2015; 44:1018-26. [DOI: 10.1016/j.ijom.2015.04.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 03/31/2015] [Accepted: 04/07/2015] [Indexed: 10/23/2022]
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Moawad EMI, Abdallah EAA. Botulinum Toxin in Pediatric Neurology: Switching Lanes From Death to Life. Glob Pediatr Health 2015; 2:2333794X15590149. [PMID: 27335961 PMCID: PMC4784590 DOI: 10.1177/2333794x15590149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Botulinum neurotoxins are natural molecules produced by anaerobic spore-forming bacteria called Clostradium boltulinum. The toxin has a peculiar mechanism of action by preventing the release of acetylcholine from the presynaptic membrane. Consequently, it has been used in the treatment of various neurological conditions related to muscle hyperactivity and/or spasticity. Also, it has an impact on the autonomic nervous system by acting on smooth muscle, leading to its use in the management of pain syndromes. The use of botulinum toxin in children separate from adults has received very little attention in the literature. This review presents the current data on the use of botulinum neurotoxin to treat various neurological disorders in children.
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Ramachandran R, Yaksh TL. Therapeutic use of botulinum toxin in migraine: mechanisms of action. Br J Pharmacol 2015; 171:4177-92. [PMID: 24819339 DOI: 10.1111/bph.12763] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 04/25/2014] [Accepted: 05/02/2014] [Indexed: 12/30/2022] Open
Abstract
Migraine pain represents sensations arising from the activation of trigeminal afferents, which innervate the meningeal vasculature and project to the trigeminal nucleus caudalis (TNC). Pain secondary to meningeal input is referred to extracranial regions innervated by somatic afferents that project to homologous regions in the TNC. Such viscerosomatic convergence accounts for referral of migraine pain arising from meningeal afferents to particular extracranial dermatomes. Botulinum toxins (BoNTs) delivered into extracranial dermatomes are effective in and approved for treating chronic migraine pain. Aside from their well-described effect upon motor endplates, BoNTs are also taken up in local afferent nerve terminals where they cleave soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) proteins, and prevent local terminal release. However, a local extracranial effect of BoNT cannot account for allthe effects of BoNT upon migraine. We now know that peripherally delivered BoNTs are taken up in sensory afferents and transported to cleave SNARE proteins in the ganglion and TNC, prevent evoked afferent release and downstream activation. Such effects upon somatic input (as from the face) likewise would not alone account for block of input from converging meningeal afferents. This current work suggests that BoNTs may undergo transcytosis to cleave SNAREs in second-order neurons or in adjacent afferent terminals. Finally, while SNAREs mediate exocytotic release, they are also involved in transport of channels and receptors involved in facilitated pain states. The role of such post-synaptic effects of BoNT action in migraine remains to be determined.
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Affiliation(s)
- Roshni Ramachandran
- Anesthesiology Research, Department of Anesthesiology, University of California, San Diego, La Jolla, CA, USA
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Zhou JY, Wang D. An update on botulinum toxin A injections of trigger points for myofascial pain. Curr Pain Headache Rep 2014; 18:386. [PMID: 24338700 DOI: 10.1007/s11916-013-0386-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Myofascial pain syndrome (MPS) is a common chronic pain condition that is characterized by distinct "trigger points." Despite current treatments with physical therapy, analgesics, anti-depressants and trigger-point injections, myofascial pain remains a challenging chronic pain condition in clinical practice. Botulinum toxin A (BTX-A) can cause prolonged muscle relaxation through inhibition of acetylcholine release. It may offer some advantages over the current treatments for MPS by providing a longer sustained period of pain relief. Despite numerous clinical trials, the efficacy of BTX-A in alleviating MPS is not well-established due to mixed results from recent clinical trials. Active trigger points are associated with referred pain and greatly impact many aspects of activities of daily living, mood, and health status. This review is designed to analyze the clinical trials regarding the efficacy of BTX-A injection of active trigger points as a treatment for MPS. The literature referenced was obtained via a computer search with Google Scholar, Pubmed, Medline and EMbase. Our search terms included "Botulinum toxin," "myofascial pain," "trigger points," "myofascial trigger points," "chronic pain." Additional references were retrieved from the reference list of the reports found via this search. Studies were considered eligible for inclusion if they were double-blinded, randomized, controlled trials evaluating the efficacy of BTX-A injections into trigger points for pain reduction, and if the trigger point selection in the trial included referred pain and/or local twitch response. Open-label studies, case reports, and other non-randomized studies were excluded. Eight trials were found according to the above criteria and are summarized in Table 1. There are well-designed clinical trials to support the efficacy of trigger-point injections with BTX-A for MPS. However, further clinical trials with considerations of minimizing placebo effect, repeated dosing, adequate coverage of trigger points, and using ultrasound confirmation and guidance are required to provide conclusive evidence for BTX-A in the treatment of myofascial pain.
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Affiliation(s)
- Jon Y Zhou
- Department of Anesthesiology, Thomas Jefferson University Hospital, 111. S 11th Street, Suite 8290 Gibbon, Philadelphia, PA, USA,
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Soares A, Andriolo RB, Atallah AN, da Silva EMK. Botulinum toxin for myofascial pain syndromes in adults. Cochrane Database Syst Rev 2014; 2014:CD007533. [PMID: 25062018 PMCID: PMC7202127 DOI: 10.1002/14651858.cd007533.pub3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND This is an updated version of the original Cochrane review published in Issue 4, 2012. Myofascial pain syndrome (MPS) is a regional muscular pain syndrome characterised by the presence of trigger points, which are painful points in one or more muscles. The pain can be felt at the site where the trigger point is located or it can be felt away from that place when the muscle is pressed (referred pain). Botulinum toxin is a protein produced by the bacterium Clostridium botulinum and is a potent neurotoxin that eventually inhibits muscle contractions. It is capable of selectively weakening painful muscles and interrupting the pain cycle. OBJECTIVES To assess the effectiveness and safety of botulinum toxin A (BTXA) in the treatment of myofascial pain syndrome (MPS), excluding MPS in neck and head muscles. SEARCH METHODS This is an updated version of the original Cochrane review published in Issue 4, 2012. The search strategy for the update was the same as in the original review and we searched CENTRAL in The Cochrane Library (2013, Issue 11 of 12), MEDLINE (Ovid) (2012 to 29 November 2013) and EMBASE (Ovid) (2012 to 27 November 2013). The search strategy was composed of terms for myofascial pain and botulinum toxin. For the original review, we also searched the Cochrane Pain, Palliative and Supportive Care (PaPaS) Review Group Specialised Register until December 2011, PubMed (from 1966 to 2011) and LILACS (from 1982 to 2011). There was no language restriction. SELECTION CRITERIA We included randomised controlled trials (RCTs) involving botulinum toxin for treating participants with MPS. We excluded studies with MPS of the neck and head from this review as they have already been assessed in existing systematic reviews. We considered a diagnosis of MPS to be based on the identification of trigger points in the taut band through palpation of sensitive nodules, local twitch response and specific patterns of referred pain associated with each trigger point. DATA COLLECTION AND ANALYSIS Two review authors independently screened identified studies, extracted data, assessed trial quality and analysed results using the Cochrane PaPaS Review Group criteria. MAIN RESULTS Four studies with a total of 233 participants, comparing BTXA with placebo, met the inclusion criteria. In one study with 145 participants, significant improvement rates of pain intensity scores and duration of daily pain were demonstrated when comparing BTXA with placebo. The three other studies showed that there was no statistically significant difference between BTXA and placebo in pain intensity. AUTHORS' CONCLUSIONS Since the first publication of this review, no new studies were found. There is inconclusive evidence to support the use of botulinum toxin in the treatment of MPS based on data from four studies with a total of 233 participants, which we considered were of sufficient quality to be included in this review. Meta-analyses were not possible due to the heterogeneity between studies. We suggest that in future studies the same methodology to assess pain, a standardised dose of treatment, follow-up of at least four months (to observe the maximum and minimum curve of the drug effect) and appropriate data presentation should be used. More high-quality RCTs of botulinum toxin for treating MPS need to be conducted before firm conclusions on its effectiveness and safety can be drawn.
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Affiliation(s)
- Adriana Soares
- Department of Medicine, Universidade Federal de São Paulo, Rua Grão Pará, 570 apt.1101 Bairro Santa Efigênia, Belo Horizonte, Minais Gerais, Brazil, 30150-341
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Nicol AL, Wu II, Ferrante FM. Botulinum toxin type a injections for cervical and shoulder girdle myofascial pain using an enriched protocol design. Anesth Analg 2014; 118:1326-35. [PMID: 24842179 DOI: 10.1213/ane.0000000000000192] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Myofascial pain syndrome is a regional condition of muscle pain and stiffness and is classically characterized by the presence of trigger points in affected musculature. Botulinum toxin type A (BoNT-A) has been shown to have antinociceptive properties and elicit sustained muscle relaxation, thereby possibly affording even greater relief than traditional strategies. Our goal was to determine whether direct injection of BoNT-A into painful muscle groups is effective for cervical and shoulder girdle myofascial pain. METHODS An enriched protocol design was used, wherein 114 patients with cervical and shoulder girdle myofascial pain underwent injection of BoNT-A to determine their response to the drug. Fifty-four responders were then enrolled in a 12-week, randomized, double-blind, placebo-controlled trial. Pain scales and quality of life measures were assessed at baseline and at routine follow-up visits until completion of the study after 26 weeks. RESULTS Injection of BoNT-A into painful muscle groups improved average visual numerical pain scores in subjects who received a second dose of BoNT-A compared to placebo (P = 0.019 [0.26, 2.78]). Subjects who received a second dose of BoNT-A had a reduced number of headaches per week (P = 0.04 [0.07, 4.55]). Brief Pain Inventory interference scores for general activity and sleep were improved (P = 0.046 [0.038, 3.700] and 0.02 [0.37, 4.33], respectively) in those who received a second dose of BoNT-A. CONCLUSION BoNT-A injected directly into painful muscle groups improves average pain scores and certain aspects of quality of life in patients experiencing severe cervical and shoulder girdle myofascial pain.
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Affiliation(s)
- Andrea L Nicol
- From the Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California
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Parry-Romberg Syndrome Vasculopathy and Its Treatment With Botulinum Toxin. Ophthalmic Plast Reconstr Surg 2014; 30:e22-5. [DOI: 10.1097/iop.0b013e31828de9c0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Anti-inflammatory effects of botulinum toxin type a in a complete Freund's adjuvant-induced arthritic knee joint of hind leg on rat model. Neurotox Res 2013; 26:32-9. [PMID: 24338136 DOI: 10.1007/s12640-013-9447-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2013] [Revised: 11/25/2013] [Accepted: 11/28/2013] [Indexed: 02/02/2023]
Abstract
The objective of the study is to verify histopathologically the anti-inflammatory effect of botulinum toxin type A (BoNT-A) in a Complete Freund's Adjuvant (CFA)-induced arthritic knee joint of hind leg on rat model using immunofluorescent staining of anti-ionized calcium-binding adaptor molecule 1 (Iba-1) and interleukin-1β (IL-1β) antibody. Twenty-eight experimental rats were injected with 0.1 ml of CFA solution in the knee joint of the hind leg bilaterally. Three weeks after CFA injection, the BoNT-A group (N = 14) was injected with 20 IU (0.1 ml) of BoNT-A bilaterally while the saline group (N = 14) was injected with 0.1 ml of saline in the knee joint of the hind leg bilaterally. One and two weeks after BoNT-A or saline injection, joint inflammation was investigated in seven rats from each group using histopathological and immune-fluorescent staining of Iba-1 and IL-1β antibody. The number of Iba-1 and IL-1β immune-reactive (IR) cells was counted in the BoNT-A and saline groups for comparison. There was a significant reduction in joint inflammation and destruction in the BoNT-A group at 1 and 2 weeks after BoNT-A injection compared with the saline group. The binding of Iba-1 and IL-1β antibody was significantly lower in the BoNT-A group than the saline group at 1 and 2 weeks after BoNT-A injection. The number of Iba-1 and IL-1β-IR cells at 1 and 2 weeks after the injection of BoNT-A were significantly different from the corresponding number of Iba-1 and IL-1β-IR cells in the saline group. To conclude, BoNT-A had an anti-inflammatory effect in a CFA-induced arthritic rat model, indicating that BoNT-A could potentially be used to treat inflammatory joint pain.
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Role of Botulinum Toxin Type-A (BTX-A) in the Management of Trigeminal Neuralgia. PAIN RESEARCH AND TREATMENT 2013; 2013:831094. [PMID: 24194982 PMCID: PMC3806369 DOI: 10.1155/2013/831094] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 08/31/2013] [Accepted: 08/31/2013] [Indexed: 01/27/2023]
Abstract
Trigeminal neuralgia (TN) is a clinical condition characterized by paroxysmal attacks of severe and electric shock-like pain along the distribution of one or more branches of the trigeminal nerve. Various medicinal or surgical modalities have been employed in the past with variable success. Newer methods were tried in search of permanent cure or long-lasting pain relief. The purpose of this paper is to present the review of the literature regarding the use of botulinum toxin type-A (BTX-A) in the management of trigeminal neuralgia.
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Abstract
Low back pain is a common condition that is encountered by both primary care physicians as well as various specialists, which include: orthopedic surgeons, physical medicine and rehabilitation specialists, neurologists, rheumatologists, and pain management specialists. Associated muscular pain is very common and often a reactive response from nociception from other structures. Myofascial pain may arise, which is characterized by the presence of myofascial trigger points (MTrPs) that are located in fascia, tendons, and/or muscle. This article reviews the current evidence regarding the pathophysiology, assessment, and recommended treatment options for myofascial low back pain.
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Abstract
BACKGROUND Myofascial pain syndrome (MPS) is a regional muscular pain syndrome characterised by the presence of trigger points, which are painful points in one or more muscles. The pain can be felt at the site where the trigger point is located or it can be felt away from that place when the muscle is pressed (referred pain). Botulinum toxin is a protein produced by the bacterium Clostridium botulinum and is a potent neurotoxin that eventually inhibits muscle contractions. It is capable of selectively weakening painful muscles and interrupting the pain cycle. OBJECTIVES To assess the effectiveness and safety of botulinum toxin in treating MPS, excluding MPS in neck and head muscles. SEARCH METHODS The search strategy was composed of terms for myofascial pain and botulinum toxin. We searched the Cochrane Pain, Palliative and Supportive Care (PaPaS) Review Group's Specialised Register until December 2011, CENTRAL (Cochrane Database of Systematic Reviews 2011, Issue 4), PUBMED (from 1966 to 2011), EMBASE (from 1980 to 2011) and LILACS (from 1982 to 2011). There was no language restriction. SELECTION CRITERIA We included randomised controlled trials (RCTs) involving botulinum toxin for treating participants with MPS. We excluded studies with MPS of the neck and head from this review, as they have already been assessed in existing systematic reviews. We considered a diagnosis of MPS to be based on the identification of trigger points in the taut band through palpation of sensitive nodules, local twitch response and specific patterns of referred pain associated with each trigger point. DATA COLLECTION AND ANALYSIS Two review authors independently screened identified studies, extracted data, assessed trial quality and analysed results using the Cochrane PaPaS Review Group criteria. MAIN RESULTS Four studies with a total of 233 participants, comparing botulinum toxin A (BTXA) with placebo, met the inclusion criteria. In one study with 145 participants, a significant improvement rate of pain intensity scores, as shown by the mean difference (MD) of -0.23 (95% confidence interval (CI) -0.26 to -0.20; P value < 0.00001) and duration of daily pain (MD -1.11; 95% CI -1.37 to -0.85; P value < 0.00001), was demonstrated when comparing BTXA with placebo. The three other studies showed that there was no statistically significant difference between BTXA and placebo in pain intensity. AUTHORS' CONCLUSIONS There is inconclusive evidence to support the use of botulinum toxin in the treatment of MPS based on data from four studies with a total of 233 participants, which we considered adequate to be included in this review. Meta-analyses were not possible due to the heterogeneity between studies. We suggest that in future studies the same methodology to assess pain, a standardised dose of treatment, follow-up of at least four months (to observe the maximum/minimum curve of the drug effect) and appropriate data presentation should be used. More high-quality RCTs of botulinum toxin for treating MPS need to be conducted before firm conclusions on its effectiveness and safety can be drawn.
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Affiliation(s)
- Adriana Soares
- Department of Medicine, Universidade Federal de São Paulo, Belo Horizonte, Brazil.
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Dolimbek BZ, Steward LE, Aoki KR, Atassi MZ. Location of the synaptosome-binding regions on botulinum neurotoxin B. Biochemistry 2011; 51:316-28. [PMID: 22146011 DOI: 10.1021/bi201322c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The regions of botulinum neurotoxin B (BoNT/B) involved in binding to mouse brain synaptosomes (snps) were localized. Sixty 19-residue overlapping peptides (peptide C31 consisted of 24 residues) encompassing BoNT/B H chain (residues 442-1291) were synthesized and used to inhibit binding of (125)I-labeled BoNT/B to snps. Synaptosome-binding regions were noncompeting and existed on both H(N) and H(C) domains of neurotoxin. At 37 °C, inhibitory activities on H(N) resided, in decreasing order, in peptides 638-656 (26.7%), 596-614 (18.2%), 512-530 (13.9%), 778-796 (13.8%), and 526-544 (11.6%). On H(C), activity resided in decreasing order in peptides 1170-1188 (44.6%), 1128-1146 (21.6%), 1184-1202 (18.6%), 1156-1174 (13.0%), 946-964 (11.8%), 1114-1132 (11.2%), 1100-1118 (6.2%), 876-894 (6.1%), 1268-1291 (4.6%), and 1226-1244 (4.3%). The 45 remaining H(N) and H(C) peptides had no activity. At 4 °C, peptide C24 (1170-1188) remained quite active (inhibiting, 31.2%), while activities of peptides N15, C21, and C25 were little under 10%. The snp-binding regions contained sites that bind synaptotagmin II and gangliosides. Despite the low degree of sequence homology, BoNT/B and BoNT/A display significant structural homology and appeared to bind in part to the same snp-binding regions. Binding of each labeled toxin to snps was inhibited ~50% by the other toxin, 70-72% by its correlate H(C), and by the H(C) of the other toxin [29% (BoNT/A by H(C) of B) or 32% (BoNT/B by H(C) of A)]. In the three-dimensional structure of BoNT/B, the greater part of H(C), one H(N) face, and part of the belt on the same side interact with snps. Thus, BoNT/B binds to snps through the H(C) head and employs regions on one H(N) face and the belt, reserving flexibility for the belt's unbound part to release the light chain. Most snp-binding regions coincide or overlap with blocking antibody (Ab)-binding regions explaining how such Abs prevent BoNT/B toxicity.
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Affiliation(s)
- Behzod Z Dolimbek
- Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, Texas 77030, United States
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Annaswamy TM, De Luigi AJ, O'Neill BJ, Keole N, Berbrayer D. Emerging Concepts in the Treatment of Myofascial Pain: A Review of Medications, Modalities, and Needle-based Interventions. PM R 2011; 3:940-61. [DOI: 10.1016/j.pmrj.2011.06.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Revised: 06/14/2011] [Accepted: 06/19/2011] [Indexed: 10/16/2022]
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Abstract
Myofascial pain syndrome is a common nonarticular local musculoskeletal pain syndrome caused by myofascial trigger points located at muscle, fascia, or tendinous insertions, affecting up to 95% of people with chronic pain disorders. Clinically, myofascial pain syndrome can present as painful restricted range of motion, stiffness, referred pain patterns, and autonomic dysfunction. The underlying cause is often related to muscular imbalances, and following a thorough physical examination the condition should be treated with a comprehensive rehabilitation program. Additional treatment options include pharmacologic, needling with or without anesthetic agents or nerve stimulation, and alternative medicine treatments such as massage or herbal medicines. Repeated trigger point injections should be avoided, and corticosteroids should not be injected into trigger points.
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Atassi MZ, Dolimbek BZ, Jankovic J, Steward LE, Aoki KR. Regions of botulinum neurotoxin A light chain recognized by human anti-toxin antibodies from cervical dystonia patients immunoresistant to toxin treatment. The antigenic structure of the active toxin recognized by human antibodies. Immunobiology 2010; 216:782-92. [PMID: 21281977 DOI: 10.1016/j.imbio.2010.12.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Revised: 12/15/2010] [Accepted: 12/19/2010] [Indexed: 11/16/2022]
Abstract
This work was aimed at determining the BoNT/A L-chain antigenic regions recognized by blocking antibodies in human antisera from cervical dystonia patients who had become immunoresistant to BoNT/A treatment. Antisera from 28 immunoresistant patients were analyzed for binding to each of 32 overlapping synthetic peptides that spanned the entire L-chain. A mixture of the antisera showed that antibodies bound to three peptides, L11 (residues 141-159), L14 (183-201) and L18 (239-257). When mapped separately, the antibodies were bound only by a limited set of peptides. No peptide bound antibodies from all the patients and amounts of antibodies bound to a given peptide varied with the patient. Peptides L11, L14 and L18 were recognized predominantly. A small but significant number of patients had antibodies to peptides L27 (365-383) and L29 (379-397). Other peptides were recognized at very low and perhaps insignificant antibody levels by a minority (15% or less) of patients or had no detectable antibody with any of the sera. In the 3-dimensional structure, antibody-binding regions L11, L14 and L18 of the L-chain occupy surface areas and did not correlate with electrostatic potential, hydrophilicity/hydrophobicity, or temperature factor. These three antigenic regions reside in close proximity to the belt of the heavy chain. The regions L11 and L18 are accessible in both the free light chain and the holotoxin forms, while L14 appears to be less accessible in the holotoxin. Antibodies against these regions could prevent delivery of the L-chain into the neurons by inhibition of the translocation.
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Affiliation(s)
- M Zouhair Atassi
- Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA.
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The efficacy of botulinum toxin type A in managing chronic musculoskeletal pain: a systematic review and meta analysis. Inflammopharmacology 2010; 19:21-34. [PMID: 21076878 DOI: 10.1007/s10787-010-0069-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2010] [Accepted: 10/19/2010] [Indexed: 01/09/2023]
Abstract
BACKGROUND Botulinum toxin type A (BoNTA) is a neurotoxin that acts by inhibiting the release of neurotransmitters acetylcholine at neuromuscular junctions, thus reducing muscular contractions. Recent evidence suggests that BoNTA can reduce nociceptive activities of sensory neurons in animal models by inhibiting release of certain neuropeptides. Despite the therapeutic benefit of BoNTA in alleviating painful muscle spasms, its efficacy in other musculoskeletal pain conditions is less clear. OBJECTIVE We aim to examine the efficacy of BoNTA in reducing chronic musculoskeletal pain. METHODS Studies for inclusion in our report were identified using MEDLINE, EMBASE, PUBMED, Cochrane Central Register of Controlled Trials, CINAHL, and reference lists of relevant articles. Studies were considered eligible for inclusion if they were randomized controlled trials (RCTs), evaluating the efficacy of BoNTA injections in pain reduction. All studies were assessed and data were abstracted independently by paired reviewers. The outcome measures were baseline and final pain scores as assessed by the patients. The internal validity of trials was assessed with the Jadad scale. Disagreements were resolved through discussions. MAIN RESULTS Twenty-one studies were included in the systematic review and 15 of them were included in the final meta-analysis. There was a total of 706 patients in the meta-analysis, represented from trials of plantar fasciitis (n = 1), tennis elbow (n = 2), shoulder pain (n = 1), whiplash (n = 3), and myofascial pain (n = 8). Overall, there was a small to moderate pain reduction among BoNTA patients when compared to control (SMD = -0.27, 95% CI: -0.44 to -0.11). When the results were analyzed in subgroups, only tennis elbow (SMD = -0.44, 95% CI: -0.86 to -0.01) and plantar fasciitis (SMD = -1.04, 95% CI: -1.68 to -0.40) demonstrated significant pain relief. Although not in the meta-analysis, one back pain study also demonstrated positive results for BoNTA. Lastly, BoNTA was effective when used at ≥ 25 units per anatomical site or after a period ≥ 5 weeks. CONCLUSION In our meta-analysis, BoNTA had a small to moderate analgesic effect in chronic musculoskeletal pain conditions. It was particularly effective in plantar fasciitis, tennis elbow, and back pain, but not in whiplash or shoulder pain patients. However, more evidence is required before definitive conclusions can be drawn. On the other hand, there is convincing evidence that BoNTA lacks strong analgesic effects in patients with myofascial pain syndrome. A general dose-dependent and temporal response with BoNTA injections was also observed.
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Chou CL, Lee SH, Lu SY, Tsai KL, Ho CY, Lai HC. Therapeutic effects of intra-articular botulinum neurotoxin in advanced knee osteoarthritis. J Chin Med Assoc 2010; 73:573-80. [PMID: 21093825 DOI: 10.1016/s1726-4901(10)70126-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2010] [Accepted: 07/30/2010] [Indexed: 10/18/2022] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a major cause of musculoskeletal pain that causes morbidity, physical limitation, and poor quality of life. The purpose of this study was to evaluate the therapeutic effects of intra-articular (IA) injection of botulinum neurotoxin A (BoNT/A) for advanced knee OA. METHODS Twenty-four patients (38 knees) were enrolled, and the subjects were radiographically verified as having stage III or IV OA according to the Kellgren-Lawrence classification. We used the Western Ontario and McMaster Universities Osteoarthritis Index to evaluate the therapeutic effects monthly for 6 months. BoNT/A (100 U) was reconstituted with 4.0 mL saline and was injected into the symptomatic knee joints after baseline evaluation and 3 months later. RESULTS The therapeutic effects of BoNT/A were clinically significant at 1 month after the first injection, but statistical significance was not noted until 3 months after the first IA injection. Pain and stiffness improved clinically; however, the effect of BoNT/A achieved statistical significance only for the pain subscale in stage III OA. There was no significant difference between the stage III and IV groups. There was no significant muscle atrophy or serious adverse effect in any group after treatment. CONCLUSION IA BoNT/A provides a new therapeutic option for refractory pain in patients with advanced knee OA. Although IA BoNT/A appears to be effective and safe for the management of advanced knee OA, these results cannot be generalized to patients with mild knee joint pain or nonspecific soft tissue pain in the knee joint region.
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Affiliation(s)
- Chen-Liang Chou
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan, ROC.
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Boon AJ, Smith J, Dahm DL, Sorenson EJ, Larson DR, Fitz-Gibbon PD, Dykstra DD, Singh JA. Efficacy of intra-articular botulinum toxin type A in painful knee osteoarthritis: a pilot study. PM R 2010; 2:268-76. [PMID: 20430328 DOI: 10.1016/j.pmrj.2010.02.011] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 02/17/2010] [Accepted: 02/23/2010] [Indexed: 01/13/2023]
Abstract
OBJECTIVE To evaluate the efficacy and safety of botulinum toxin type A (BoNT-A) injected intra-articularly in 60 subjects with moderate pain and functional impairment secondary to knee osteoarthritis. The study investigators hypothesized that intra-articular BoNT-A would result in statistically significant improvements in pain and function at 8 weeks. DESIGN Double-blind, randomized, single tertiary care academic medical center trial with 6-month follow-up. PATIENTS Sixty patients aged 40 years or older with painful osteoarthritis of the knee who had failed physical therapy, medications, and/or injection therapy presenting to the musculoskeletal or orthopedic outpatient clinics at a large tertiary care medical institution. All 60 patients completed 8-week follow-up, but only 32 patients completed the 26-week follow-up. METHODS Subjects were randomized to receive a single injection of corticosteroid, low-dose BoNT-A (100 units), or high-dose BoNT-A (200 units). Outcome measures were compared at baseline, 4, 8, 12, and 26 weeks after injection. MAIN OUTCOME MEASUREMENTS The primary outcome measure was pain visual analog scale (VAS) at 8 weeks. Secondary outcome measures included Western Ontario McMaster Arthritis Index, Short Form-36 scores, patient global assessment, 40-meter timed walk, and adverse effects. RESULTS The primary end point was pain VAS score at 8 weeks, which decreased within each group but only reached statistical significance in the low-dose BoNT-A group. In the intra-articular corticosteroid group, VAS decreased from 6.4 +/- 1.8 to 5.4 +/- 2.3 (P = .15); for low-dose BoNT-A, from 6.6. +/- 1.9 to 4.5 +/- 2.2 (P = .01); and for high-dose BoNT-A, from 6.6 +/- 1.4 to 5.9 +/- 2.4 (P = .15). All groups showed statistically significant improvements in Western Ontario McMaster Arthritis Index scores (pain, stiffness, function) at 8 weeks. No serious adverse events were noted in any group. CONCLUSIONS This pilot study supports a possible role for BoNT-A as a treatment option for symptomatic knee osteoarthritis; however, larger double-blind randomized studies are needed to determine whether BoNT-A is more effective than placebo in this patient population.
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Affiliation(s)
- Andrea J Boon
- Department of Physical Medicine, Mayo Clinic College of Medicine, Rochester, MN, USA.
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Borodic GE. Orbicularis oculi myo-osseous fixation: a new treatment for benign essential blepharospasm and blepharospasm associated with diffuse facial dystonia (meige syndrome). Ophthalmic Surg Lasers Imaging Retina 2010; 41:360-9. [PMID: 20507022 DOI: 10.3928/15428877-20100430-11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2009] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND OBJECTIVE This article describes a novel surgical procedure, myo-osseous fixation, as an adjunct therapy for patients with reduced or poor response to repeated botulinum toxin injections for essential blepharospasm and Meige syndrome. PATIENTS AND METHODS The small-incision, rapidly healing, rapidly performed technique uses self-drilling titanium screws tightly engaged with a compression wrench. The screws fixate the periorbital orbicularis oculi muscle to bone, creating mechanical resistance to outer portions of the orbicularis muscle involved in debilitating involuntary contractions. RESULTS Eleven of the treated 12 patients experienced immediate improvement in function. Each responding patient noted enhanced effect of subsequent botulinum toxin injections at previously ineffective doses. The benefit was substantial and sustained for 6 months in 9 of 12 patients. Decreased brow depression during forced closure, forced frown, and brow elevation at rest was apparent in all patients postoperatively. Although the brow elevation effect was reduced after 6 months, reduced brow depression during forced closure still was easily demonstrated in most patients. Complications included a nodular bump over the brow, more commonly found when large titanium screws were used, transient headache, and easily removed dislodged screw. CONCLUSION Initial data suggest that this procedure appears safe, well tolerated, and useful in the treatment of patients with essential blepharospasm and Meige syndrome responding poorly to botulinum toxin therapy.
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Affiliation(s)
- Gary E Borodic
- Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, USA
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Lee JH, Lee SH, Song SH. Clinical Effectiveness of Botulinum Toxin A Compared to a Mixture of Steroid and Local Anesthetics as a Treatment for Sacroiliac Joint Pain. PAIN MEDICINE 2010; 11:692-700. [DOI: 10.1111/j.1526-4637.2010.00838.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Immune recognition of BoNTs A and B: How anti-toxin antibodies that bind to the heavy chain obstruct toxin action. Toxicon 2009; 54:600-13. [DOI: 10.1016/j.toxicon.2009.02.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2008] [Revised: 02/02/2009] [Accepted: 02/04/2009] [Indexed: 11/18/2022]
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Dolimbek GS, Dolimbek BZ, Aoki KR, Atassi MZ. Mapping of the Antibody and T Cell Recognition Profiles of the HNDomain (Residues 449–859) of the Heavy Chain of Botulinum Neurotoxin A in Two High-Responder Mouse Strains. Immunol Invest 2009. [DOI: 10.1081/imm-55799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Soares A, Andriolo RB, Atallah ÁN, da Silva EMK. Botulinum toxin for myofascial pain syndromes in adults. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2009. [DOI: 10.1002/14651858.cd007533] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Myofascial pain syndromes in the maxillofacial area: a common but underdiagnosed cause of head and neck pain. Int J Oral Maxillofac Surg 2008; 37:975-84. [DOI: 10.1016/j.ijom.2008.04.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2007] [Accepted: 04/29/2008] [Indexed: 11/19/2022]
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Kang JS, Krakow K, Roggendorf J, Steinmetz H, Hilker R. Botulinum toxin treatment of epilepsia partialis continua. Mov Disord 2008; 24:141-3. [DOI: 10.1002/mds.22185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Cullen DM, Boyle JJW, Silbert PL, Singer BJ, Singer KP. Botulinum toxin injection to facilitate rehabilitation of muscle imbalance syndromes in sports medicine. Disabil Rehabil 2008; 29:1832-9. [PMID: 18033608 DOI: 10.1080/09638280701568627] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Intramuscular injection of Botulinum toxin to produce reduction of focal muscle overactivity, and localized muscle spasm, has been utilized therapeutically for almost two decades. Muscle overactivity in neurologically normal muscle, where an imbalance exists between a relatively overactive muscle and its less active synergist or antagonist, can inhibit control of the antagonist producing a functional muscle imbalance. This brief review provides an overview of the role of muscle imbalance in sports-related pain and dysfunction, and outlines the potential for intramuscular injection of Botulinum toxin to be used as an adjunct to specific muscle re-education and functional rehabilitation in this patient group. A comprehensive understanding of normal movement and the requirements of the sporting activity are essential to allow accurate diagnosis of abnormal motor patterns and to re-educate more appropriate movement strategies. Therapeutic management of co-impairments may include stretching of tight soft tissues, specific re-education aimed at isolation of the non-dominant weak muscles and improvement in their activation, 'unlearning' of faulty motor patterns, and eventual progression onto functional exercises to anticipate gradual return to sporting activity. Intramuscular injection of Botulinum toxin, in carefully selected cases, provides short term reduction of focal muscle overactivity, and may facilitate activation of relatively 'inhibited' muscles and assist the restoration of more appropriate motor patterns.
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Affiliation(s)
- D M Cullen
- Excel Sports Group, Osborne Park, Western Australia, Australia.
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Abstract
Botulinum toxin (BTX) injection is being increasingly used 'off label' in the management of chronic pain. Data support the hypothesis of a direct analgesic effect of BTX, different to that exerted on muscle. Although the pain-reducing effect of BTX is mainly due to its ability to block acetylcholine release at the synapse, other effects on the nervous system are also thought to be involved. BTX affects cholinergic transmission in both the somatic and the autonomic nervous systems. Proposed mechanisms of action of BTX for pain relief of trigger points, muscular spasms, fibromyalgia and myofascial pain include direct action on muscle and indirect effects via action at the neuromuscular junction. Invitro and invivo data have shown that BTX has specific antinociceptive activity relating to its effects on inflammation, axonal transport, ganglion inhibition, and spinal and suprasegmental level inhibition. Our review of the mechanisms of action, efficacy, administration techniques and therapeutic dosage of BTX for the management of chronic pain in a variety of conditions shows that although muscular tone and movement disorders remain the most important therapeutic applications for BTX, research suggests that BTX can also provide benefits related to effects on cholinergic control of the vascular system, autonomic function, and cholinergic control of nociceptive and antinociceptive systems. Furthermore, it appears that BTX may influence the peripheral and central nervous systems. The therapeutic potential of BTX depends mainly on the ability to deliver the toxin to the target structures, cholinergic or otherwise. Evidence suggests that BTX can be administered at standard dosages in pain disorders, where the objective is alteration of muscle tone. For conditions requiring an analgesic effect, the optimal therapeutic dosage of BTX remains to be defined.
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Affiliation(s)
- Roberto Casale
- Department of Clinical Neurophysiology and Pain Rehabilitation Unit, Foundation Salvatore Maugeri, IRCCS, Scientific Institute of Montescano, Montescano (PV), Italy
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Brisinda G, Cadeddu F, Mazzeo P, Maria G. Botulinum toxin A for the treatment of chronic anal fissure. Expert Rev Gastroenterol Hepatol 2007; 1:219-28. [PMID: 19072412 DOI: 10.1586/17474124.1.2.219] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Since its introduction for the treatment of strabismus, botulinum toxin (BoNT) has been increasingly used in the treatment of several disorders with excessive or inappropriate muscle contractions. The therapeutic effects of BoNT occur through the temporary chemodenervation caused by the injection into the local target muscle or skin. Modulation of muscle relaxation may be achieved by varying the dose of BoNT solution injected; most adverse effects are transient. Indeed, botulinum neurotoxin has been used to selectively weaken the internal anal sphincter as a treatment for chronic anal fissure in several randomized, controlled trials and open-label studies. The use of botulinum neurotoxin seems to be an effective and safe approach for the treatment of chronic anal fissure, particularly in patients at high risk for incontinence.
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Affiliation(s)
- Giuseppe Brisinda
- Department of Surgery, Catholic School of Medicine, University Hospital 'Agostino Gemelli', Largo Agostino Gemelli 8, 00168 Rome, Italy.
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