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Huang T, Xu Y, Chen Y, Bian J, Chu Z, Zhao S, Ma L. Efficacy and safety of calcitonin gene-related peptide antagonists in migraine treatment: A meta-analysis. Brain Behav 2022; 12:e2542. [PMID: 35261165 PMCID: PMC9015008 DOI: 10.1002/brb3.2542] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/09/2022] [Accepted: 02/13/2022] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION We systematically reviewed the efficacy and safety of Calcitonin Gene-Related Peptide (CGRP) antagonists for migraine treatment. METHODS Various databases including PubMed, Embase, The Cochrane Library, Chinese National Knowledge Infrastructure (CNKI), WanFang Data were electronically searched for randomized controlled trials (RCTs) on CGRP antagonists for migraine treatment since inception to March 2021. The trials were screened for inclusion, after which the methodological quality of the included trials was assessed. Then meta-analysis was performed using the Revman 5.3 software. RESULTS A total of 26 RCTs involving 21,736 patients were included. The CGRP antagonists group included 13,635 patients while the control group included 8101 patients. Meta-analysis showed that compared to the control group, CGRP antagonists were associated with various significant effects, including the following outcome indicators: (1) number of patients with ≥50% reduction from baseline in mean monthly migraine days (RR = 1.50, 95% CI [1.39,1.62], p < .00001); (2) number of patients with pain free at 2 h postdose (RR = 1.98, 95% CI [1.77, 2.20], p < .00001), and (3) number of patients with 2-24 h sustained pain free postdose (RR = 2.18, 95% CI [1.93, 2.46], p < .00001). However, the number of patients with any adverse events was significantly high in the antagonists group, relative to the control group (RR = 1.08, 95% CI [1.04, 1.12], p < .0001). CONCLUSIONS CGRP antagonists are significantly effective for migraine treatment; however, they are associated with various adverse events. Due to limitations with regards to quantity and quality of the included studies, the above conclusions should be verified by more high quality studies.
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Affiliation(s)
- Tingting Huang
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Yang Xu
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Yajie Chen
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Jing Bian
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Zhaohu Chu
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Shoucai Zhao
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
| | - Lingsong Ma
- Department of Neurology, The First Affiliated Hospital of Wannan Medical Collage, Wuhu, Anhui, China
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Abstract
In this review, the authors provide an overview of erenumab, a monoclonal antibody used for the preventative treatment of episodic migraine by targeting the CGRP pathway. Randomized controlled trials have shown that erenumab is associated with a statistically significant decrease in monthly migraine days in patients with episodic migraine at monthly doses of 70 or 140 mg when given for a period of 9-12 weeks. Post hoc analyses have also shown long-term maintenance of efficacy. Clinical trials have found erenumab at doses of both 70 and 140 mg to have a favorable safety profile. Erenumab faces significant limitations because of its high financial cost. Additional long-term real-world data are needed to understand the role of erenumab in the treatment of migraine.
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Affiliation(s)
| | - Sahil Gupta
- Southern Illinois Healthcare, Carbondale, IL 62901, USA
| | - Shashi Maryala
- Gandhi Medical College, Secunderabad, Telangana, 500003, India
| | | | - Pooja Chopra
- Bux Pain Management, 217 3rd St., Danville, KY 40422, USA
| | - Sameer Jain
- Pain Treatment Centers of America, Little Rock, AR 72205, USA
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Scuteri D, Tonin P, Nicotera P, Bagetta G, Corasaniti MT. Real world considerations for newly approved CGRP receptor antagonists in migraine care. Expert Rev Neurother 2022; 22:221-230. [PMID: 35240905 DOI: 10.1080/14737175.2022.2049758] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Migraine is the leading cause of years lived with disability in people under 50 . Electrophysiological phenomena at the basis of prodromal and headache attack phases and of chronification processes involve calcitonin-gene related peptide (CGRP) as a fundamental player become a game changer of migraine pharmacotherapy.Areas covered: The purpose of the present review is to retrace fundamental stages of CGRP from its discovery to the role in migraine pathogenesis and therapy to underscore the change of paradigm offered by the newly approved small molecules to antagonize CGRP receptor, the gepants. In particular, the development of this new class is gone over from the initial synthesis of C-terminus truncated CGRP antagonists to the development of the first generation of gepants ending with Zavegepant that can be considered the third generation.Expert opinion: The history of CGRP in migraine draws the successful road to follow for key signaling pathways of modulation of nociceptive facilitation by diencephalic and brainstem nuclei, including dopaminergic neurotransmission, orexin A and the large-conductance calcium-activated potassium (BKCa) and ATP-sensitive potassium (KATP) channels also investigating the potential of essential oils and the role of polymorphisms. Real-world post marketing long-term data are needed for gepants.
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Affiliation(s)
- Damiana Scuteri
- Pharmacotechnology Documentation and Transfer Unit, Preclinical and Translational Pharmacology, Department of Pharmacy, Health Science and Nutrition, University of Calabria, Rende, Italy.,S. Anna Institute, Regional Center for Serious Brain Injuries, Crotone, Italy
| | - Paolo Tonin
- S. Anna Institute, Regional Center for Serious Brain Injuries, Crotone, Italy
| | | | - Giacinto Bagetta
- Pharmacotechnology Documentation and Transfer Unit, Preclinical and Translational Pharmacology, Department of Pharmacy, Health Science and Nutrition, University of Calabria, Rende, Italy
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Angus-Leppan H, Guiloff AE, Benson K, Guiloff RJ. Navigating migraine care through the COVID-19 pandemic: an update. J Neurol 2021; 268:4388-4395. [PMID: 34002281 PMCID: PMC8128091 DOI: 10.1007/s00415-021-10610-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/09/2021] [Accepted: 05/10/2021] [Indexed: 12/11/2022]
Abstract
The worldwide treatment gap for migraine before COVID-19 inevitably widens as attention focuses on an international emergency. Migraine hits people particularly in their early and middle years, potentially reduces quality of life and productivity, and remains a common emergency presentation. This article examines the impact of COVID-19 on migraine, and changing aspects of migraine care during and after the pandemic. Many risk factors for severe COVID-19—older age, male gender, cardiac and respiratory diseases, diabetes, obesity, and immunosuppression—are less frequent in migraineurs. Telemedicine is effective for migraine follow-up, and needs ongoing evaluation. Most migraine treatments can start or continue in acute COVID-19, with care to avoid drug interactions. Close contact procedures (botulinum toxin, acupuncture and steroid injections) are avoided in lockdown or in the vulnerable. Secondary effects of COVID-19, including long COVID and its economic impact, are probably equal or greater in people with migraine. Migraine and other long-term conditions need adequate resourcing to prevent personal, social and economic suffering. Treating migraine, a sequel of COVID, potentially reduces the impact of long COVID.
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Affiliation(s)
- Heather Angus-Leppan
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK.
- Department of Clinical Neurosciences, Royal Free London NHS Foundation Trust, Pond Street, London, NW32QG, UK.
| | - Angelica E Guiloff
- Northern Medical Centre, Archway, London, UK
- Barts and the London School of Medicine and Dentistry, London, UK
| | | | - Roberto J Guiloff
- Faculty of Medicine, University of Chile, Santiago, Chile
- Imperial College Healthcare NHS Trust, London, UK
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Zhu W, Sheng D, Shao Y, Zhang Q, Peng Y. Neuronal calcitonin gene-related peptide promotes prostate tumor growth in the bone microenvironment. Peptides 2021; 135:170423. [PMID: 33086087 DOI: 10.1016/j.peptides.2020.170423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 11/27/2022]
Abstract
Advanced stage of prostate cancer cells preferentially metastasizes to varying bones of prostate cancer patients, resulting in incurable disease with poor prognosis and limited therapeutical treatment options. Calcitonin gene-related peptide (CGRP), a neuropeptide produced by prostate gland, is known to play a pivotal role in facilitating tumor growth and metastasis of numerous human cancers. In this study, we aim to investigate the clinical relevance of CGRP in prostate cancer patients and the effects of CGRP and CGRP antagonists on prostate tumor growth in the mouse model. The prostate tumor-bearing mice were received either CGRP or CGRP antagonist treatment, and the tumor growth was monitored by quantification of luminescence intensities. We found that the CGRP+ nerve fiber density and serum CGRP levels were substantially upregulated in the bone or serum specimens from advanced prostate cancer patients as well as in prostate tumor-bearing mice. Administration of CGRP promoted, whereas treatment of CGRP antagonists inhibited prostate tumor growth in the femurs of mice. In addition, CGRP treatment activated extracellular signal-regulated kinases (ERKs)/ Signal transducer and activator of transcription 3 (STAT3) signaling in prostate cancer cells. Targeting CGRP may serve as a potential therapeutic strategy for advanced prostate cancer patients.
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Affiliation(s)
- Wenjing Zhu
- Department of Urology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Dongya Sheng
- Department of Urology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Yiqun Shao
- Department of Urology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Qiang Zhang
- Department of Urology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Yu Peng
- Department of Urology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China.
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Urits I, Li N, Bahrun E, Hakobyan H, Anantuni L, An D, Berger AA, Kaye AD, Paladini A, Varrassi G, Vorenkamp KE, Viswanath O. An evidence-based review of CGRP mechanisms in the propagation of chronic visceral pain. Best Pract Res Clin Anaesthesiol 2020; 34:507-516. [PMID: 33004162 DOI: 10.1016/j.bpa.2020.06.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 06/30/2020] [Indexed: 01/27/2023]
Abstract
Chronic pain is typically defined as pain that persists after acute tissue damage and inflammation or as pain that follows a chronic disease process and lasts more than three months. Because of its debilitating impact on the quality of life of patients, recent research aims to investigate the mechanisms behind nociception to discover novel therapeutic agents to alleviate pain. One such target is the neuropeptide calcitonin gene-related peptide (CGRP), which has shown to play an integral role in migraine pathophysiology. Effective treatments of migraines with CGRP antagonists have stimulated our efforts toward checking a possible involvement of CGRP in nonheadache pain conditions such as hypertension, congestive heart failure, Alzheimer's disease, and vascular ischemia. Here, we provide a brief overview of chronic pain, with a particular emphasis on the role of CGRP as a fundamental mediator of nociceptive pain as well as a target for novel therapeutic agents.
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Affiliation(s)
- Ivan Urits
- Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School, Boston, MA, USA.
| | - Nathan Li
- Medical College of Wisconsin, Wauwatosa, WI, USA
| | - Ehab Bahrun
- Georgetown University School of Medicine, Washington, DC, USA
| | - Hayk Hakobyan
- Georgetown University School of Medicine, Washington, DC, USA
| | - Lekha Anantuni
- Creighton University School of Medicine, Department of Anesthesiology, Omaha, NE, USA
| | - Daniel An
- Georgetown University School of Medicine, Washington, DC, USA
| | - Amon A Berger
- Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School, Boston, MA, USA
| | - Alan D Kaye
- Louisiana State University Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA
| | | | | | | | - Omar Viswanath
- Creighton University School of Medicine, Department of Anesthesiology, Omaha, NE, USA; Louisiana State University Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA; Valley Pain Consultants, Envision Physician Services, Phoenix, AZ, USA; University of Arizona College of Medicine-Phoenix, Department of Anesthesiology, Phoenix, AZ, USA
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Martin V, Samaan KH, Aurora S, Pearlman EM, Zhou C, Li X, Pallay R. Efficacy and Safety of Galcanezumab for the Preventive Treatment of Migraine: A Narrative Review. Adv Ther 2020; 37:2034-2049. [PMID: 32319039 PMCID: PMC7467458 DOI: 10.1007/s12325-020-01319-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Indexed: 01/09/2023]
Abstract
Migraine is a debilitating neurologic disease. People who experience migraine can have substantial disability, impaired functioning and a decreased quality of life (QoL). Expert recommendations suggest that people with frequent migraine attacks or severe impairment related to attacks may benefit from preventive treatment. Despite these recommendations and the existence of evidence-based guidelines for the use of preventive medication, many people who are candidates for preventive therapies do not receive them. Thus, there is still a substantial unmet need for preventive migraine treatment. Calcitonin gene-related peptide (CGRP) has a demonstrated role in the pathophysiology of migraine. Galcanezumab-gnlm (galcanezumab) is a humanized monoclonal antibody that binds to the CGRP ligand and prevents binding to its receptor. It is administered as a once-monthly subcutaneous injection. The aim of this review is to present a comprehensive overview of the existing short- and long-term efficacy and safety data for galcanezumab in patients with migraine. Data from the phase 3, randomized, double-blind, placebo-controlled EVOLVE-1, EVOLVE-2 and REGAIN studies show that galcanezumab treatment for 3 or 6 months results in overall reduction in mean monthly migraine headache days in patients with episodic (EVOLVE-1 and EVOLVE-2) and chronic (REGAIN) migraine. Greater proportions of patients with episodic migraine receiving galcanezumab versus placebo demonstrated a ≥ 50%, ≥ 75% and 100% response to therapy and reported a lower level of disability and an improvement in functioning and QoL. Similarly, when compared with placebo, greater proportions of patients with chronic migraine treated with galcanezumab demonstrated a ≥ 50% and ≥ 75% response and reported improved functioning. A 12-month open-label study demonstrated the continued efficacy of galcanezumab for up to 12 months. In all studies galcanezumab was well tolerated. In conclusion, data from pivotal studies show that galcanezumab may fulfill an unmet need in the treatment of patients with migraine who require preventive therapy. Migraine is a significant contributor to the global burden of disease. Migraine symptoms can lead to substantial disability and can significantly impact an individual’s ability to perform everyday tasks and their overall quality of life. While individuals with infrequent migraine attacks might have success with acute treatments alone, those with more frequent attacks or who have severe migraine-related impairment may require preventive treatment. Although recommendations on the use of preventive treatment exist, only about one-third of individuals who qualify for preventive therapy actually receive it, resulting in a substantial unmet need. Calcitonin gene-related peptide (CGRP) has a demonstrated role in migraine. Galcanezumab is a humanized monoclonal antibody that binds to the CGRP ligand and prevents receptor binding. In clinical trials of patients with ≥ 4 migraine headache days per month, treatment with galcanezumab was associated with a reduction in the average number of migraine headache days per month. The majority of galcanezumab groups had greater responder rates compared with the placebo groups, and levels of disability and daily functioning were generally improved. Galcanezumab was well tolerated, with the most common adverse events being injection site reactions. The results from the clinical trials of galcanezumab suggest that this drug may fulfill an unmet need in the treatment of individuals with migraine who require preventive therapy.
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