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Jung MJ, Kanegi SL, Rosen NL. Treating the Uninsured and Underinsured with Migraine in the USA. Curr Pain Headache Rep 2024; 28:133-139. [PMID: 38095749 DOI: 10.1007/s11916-023-01197-0] [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] [Accepted: 11/30/2023] [Indexed: 03/10/2024]
Abstract
PURPOSE OF REVIEW To define, describe, and identify potential solutions for health disparities in the uninsured and underinsured with migraine in the USA. RECENT FINDINGS Uninsured and underinsured patients with migraine experience health disparities in diagnosis and treatment of migraine. Migraine patients have higher healthcare costs and higher employment disability, which contribute to a higher likelihood of uninsured or underinsured status. Uninsured or underinsured status, combined with factors such as race, socioeconomic status, geographic location, and care location, are correlated with delays in or decreased migraine diagnosis and treatment. Migraine prevalence is increased in the uninsured and underinsured. Potential solutions include advocacy for policy changes that improve access to care, increasing awareness and representation of underrepresented groups, providing resources to patients to reduce costs, and active patient engagement in migraine care. Continued efforts from all stakeholders have the potential to reduce health disparities in uninsured and underinsured patients with migraine, reducing disability and improving quality of life.
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Affiliation(s)
- Min J Jung
- Department of Neurology, Long School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Skyler L Kanegi
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Noah L Rosen
- Department of Neurology, Northwell Health Neuroscience Institute/Zucker School of Medicine at Hofstra University, 611 Northern Boulevard, Suite 150, Great Neck, NY, 11021, USA.
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Graves E, Cowling T, McMullen S, Ekwaru P, Pham T, Mayer M, Ladouceur MP, Hubert M, Bougie J, Amoozegar F. Migraine Treatment and Healthcare Resource Utilization in Alberta, Canada. Can J Neurol Sci 2023:1-11. [PMID: 37842773 DOI: 10.1017/cjn.2023.299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
BACKGROUND Migraine poses a significant burden worldwide; however, there is limited evidence as to the burden in Canada. This study examined the treatment patterns, healthcare resource use (HRU), and costs among newly diagnosed or recurrent patients with migraine in Alberta, Canada, from the time of diagnosis or recurrence. METHODS This retrospective observational study utilized administrative health data from Alberta, Canada. Patients were included in the Total Migraine Cohort if they had: (1) ≥1 International Classification of Diseases diagnostic code for migraine; or (2) ≥1 prescription dispense(s) for triptans from April 1, 2012, to March 31, 2018, with no previous diagnosis or dispensation code from April 1, 2010, to April 1, 2012. RESULTS The mean age of the cohort (n = 199,931) was 40.0 years and 72.3% were women. The most common comorbidity was depression (19.7%). In each medication class examined, less than one-third of the cohort was prescribed triptans and fewer than one-fifth was prescribed a preventive. Among patients with ≥1 dispense, the mean rate of opioid prescriptions was 4.61 per patient-year, compared to 2.28 triptan prescriptions per patient-year. Migraine-related HRU accounted for 3%-10% of all use. CONCLUSION Comorbidities and high all-cause HRU were observed among newly diagnosed or recurrent patients with migraine. There is an underutilization of acute and preventive medications in the management of migraine. The high rate of opioid use reinforces the suboptimal management of migraine in Alberta. Migraine management may improve by educating healthcare professionals to optimize treatment strategies.
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Affiliation(s)
- Erin Graves
- Medlior Health Outcomes Research Ltd, Calgary, AB, Canada
| | - Tara Cowling
- Medlior Health Outcomes Research Ltd, Calgary, AB, Canada
| | | | - Paul Ekwaru
- Medlior Health Outcomes Research Ltd, Calgary, AB, Canada
| | - Tram Pham
- Medlior Health Outcomes Research Ltd, Calgary, AB, Canada
| | - Michelle Mayer
- Medlior Health Outcomes Research Ltd, Calgary, AB, Canada
| | | | | | | | - Farnaz Amoozegar
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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Robblee J. Breaking the cycle: unraveling the diagnostic, pathophysiological and treatment challenges of refractory migraine. Front Neurol 2023; 14:1263535. [PMID: 37830088 PMCID: PMC10565861 DOI: 10.3389/fneur.2023.1263535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/11/2023] [Indexed: 10/14/2023] Open
Abstract
Background Refractory migraine is a poorly described complication of migraine in which migraine has chronified and become resistant to standard treatments. The true prevalence is unknown, but medication resistance is common in headache clinic patient populations. Given the lack of response to treatment, this patient population is extremely difficult to treat with limited guidance in the literature. Objective To review the diagnostic, pathophysiological, and management challenges in the refractory migraine population. Discussion There are no accepted, or even ICHD-3 appendix, diagnostic criteria for refractory migraine though several proposed criteria exist. Current proposed criteria often have low bars for refractoriness while also not meeting the needs of pediatrics, lower socioeconomic status, and developing nations. Pathophysiology is unknown but can be hypothesized as a persistent "on" state as a progression from chronic migraine with increasing central sensitization, but there may be heterogeneity in the underlying pathophysiology. No guidelines exist for treatment of refractory migraine; once all guideline-based treatments are tried, treatment consists of n-of-1 treatment trials paired with non-pharmacologic management. Conclusion Refractory migraine is poorly described diagnostically, its pathophysiology can only be guessed at by extension of chronic migraine, and treatment is more the art than science of medicine. Navigating care of this refractory population will require multidisciplinary care models and an emphasis on future research to answer these unknowns.
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Affiliation(s)
- Jennifer Robblee
- Department of Neurology, Dignity Health, St Joseph’s Hospital and Medical Center, Lewis Headache Clinic, Barrow Neurological Institute, Phoenix, AZ, United States
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Wang YF, Wang SJ, Huang YH, Chen YT, Yen YC, Shia BC, Tsai CW, Chan HF, Panni T, Dell’Agnello G. Treatment pattern and health care resource utilization for Taiwanese patients with migraine: a population-based study. Front Neurol 2023; 14:1222912. [PMID: 37654430 PMCID: PMC10466390 DOI: 10.3389/fneur.2023.1222912] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/03/2023] [Indexed: 09/02/2023] Open
Abstract
Objectives Given the substantial disease burden, appropriate and effective management of migraine is a public health priority. To gain insights into real-world migraine management practices in Taiwan, current treatment patterns, costs, and health care resource use were assessed. Methods This was a retrospective, longitudinal study using the Taiwan National Health Insurance Research Database. Included patients had an initial diagnosis of migraine (defined using International Classification of Diseases codes) between 1 January 2013 and 31 December 2017. Data analyzed included demographics; the use, number, and type of acute and preventive medications; and drug and medical services costs. Data were stratified according to migraine type (chronic [CM] or episodic [EM] migraine). Results A total of 312,718 patients were included in the analyses: 53,992 (17.3%) had CM and 258,726 (82.7%) had EM. Most patients (81.7%) had used acute and/or preventive medications; acute medications used more frequently than preventive medications (78.0% vs. 20.2%). Acute medications were used by 81.6 and 77.3% of patients with CM and EM, respectively. Commonly used acute medications were acetaminophen (68.8%), ergots (49.4%), and non-steroidal anti-inflammatory drugs (38.4%); the use of triptans (6.0%), tramadol (3.1%), and other opioids (0.2%) was less common. A total of 28.6 and 18.5% of patients with CM and EM, respectively, used preventive medications. Flunarizine (68.9%), propranolol (40.7%), and topiramate (16.0%) were the most commonly used preventive medications. Most patients had used 1-2 acute or preventive medications, with the use of ≥3 acute or preventive medications more common in patients with CM than EM. Average total medical cost per annum was 4,169 New Taiwan Dollars (NTDs) per CM patient and 2,928 NTDs per EM patient, with CM patients having higher costs associated with medical service utilization and acute medication use. Conclusion These real-world data suggest unmet needs for Taiwanese patients with migraine, including under-utilization of preventive medications and greater costs and health care resource use for patients with CM versus EM. These findings provide important information on treatment patterns, cost, and health care resource use for patients with migraine in Taiwan.
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Affiliation(s)
- Yen-Feng Wang
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shuu-Jiun Wang
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | | | - Yung-Tai Chen
- Department of Nephrology, Taipei City Hospital Heping Fuyou Branch, Taipei, Taiwan
| | - Yu-Chun Yen
- Clinical Information Department, Quality Management Center, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ben-Chang Shia
- Graduate Institute of Business Administration, College of Management, Fu Jen Catholic University, Taipei, Taiwan
| | - Ching-Wen Tsai
- Health Data Analytics and Statistics Center, Office of Data Science, Taipei Medical University, Taipei, Taiwan
| | - Hoi-Fong Chan
- Eli Lilly and Company, Indianapolis, IN, United States
| | - Tommaso Panni
- Eli Lilly and Company, Indianapolis, IN, United States
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Boutin A, Gouin S, Bailey B, Lebel D, Gravel J. Additive Value of Intranasal Fentanyl on Ibuprofen for Pain Management of Children With Moderate to Severe Headaches: A Randomized Controlled Trial. J Emerg Med 2023; 65:e119-e131. [PMID: 37474344 DOI: 10.1016/j.jemermed.2023.04.023] [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: 12/30/2022] [Revised: 03/20/2023] [Accepted: 04/19/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND Few studies have evaluated the rapid pain improvement provided by medications for children presenting to an emergency department (ED) with headaches. OBJECTIVE Our aim was to evaluate pain reduction provided by intranasal fentanyl (INF) compared with placebo in addition to ibuprofen. METHODS A single-center, double-blinded, randomized, placebo-controlled clinical trial was conducted in a tertiary care pediatric ED. All children aged 8-17 years presenting with a moderate to severe headache were eligible. Study participants were randomly allocated to receive INF 1.5 µg/kg (maximum dose of 100 µg) or similar placebo solution. Co-administration of oral ibuprofen 10 mg/kg (maximum dose of 600 mg) was also provided. The primary outcome was the mean pain rating reduction at 15 min. RESULTS Among the 62 participants, the median age was 14 years (interquartile range [IQR] 12-16 years in both groups) and the median initial visual analog scale (VAS) score was 64 (IQR 55-72 in the intervention group; IQR 50-81 in the control group). There was no difference in the mean pain score reduction at 15 min between the two groups (mean difference 2 mm; 95% CI -7 to 11 mm). Mean VAS score reductions were also similar at 30 and 60 min. Adverse events were more frequent in the INF group (risk ratio 2.8; 95% CI 1.29 to 6.22), but all events were minor and transient. No significant differences were found in other outcomes. CONCLUSIONS This study did not find a benefit from INF for providing additional pain relief in children presenting to ED with headaches.
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Affiliation(s)
- Ariane Boutin
- Department of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montreal, Quebec, Canada.
| | - Serge Gouin
- Department of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montreal, Quebec, Canada
| | - Benoit Bailey
- Department of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montreal, Quebec, Canada
| | - Denis Lebel
- Department of Pharmacy, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montreal, Quebec, Canada
| | - Jocelyn Gravel
- Department of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montreal, Quebec, Canada
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Marino S, Jassar H, Kim DJ, Lim M, Nascimento TD, Dinov ID, Koeppe RA, DaSilva AF. Classifying migraine using PET compressive big data analytics of brain's μ-opioid and D2/D3 dopamine neurotransmission. Front Pharmacol 2023; 14:1173596. [PMID: 37383727 PMCID: PMC10294712 DOI: 10.3389/fphar.2023.1173596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/26/2023] [Indexed: 06/30/2023] Open
Abstract
Introduction: Migraine is a common and debilitating pain disorder associated with dysfunction of the central nervous system. Advanced magnetic resonance imaging (MRI) studies have reported relevant pathophysiologic states in migraine. However, its molecular mechanistic processes are still poorly understood in vivo. This study examined migraine patients with a novel machine learning (ML) method based on their central μ-opioid and dopamine D2/D3 profiles, the most critical neurotransmitters in the brain for pain perception and its cognitive-motivational interface. Methods: We employed compressive Big Data Analytics (CBDA) to identify migraineurs and healthy controls (HC) in a large positron emission tomography (PET) dataset. 198 PET volumes were obtained from 38 migraineurs and 23 HC during rest and thermal pain challenge. 61 subjects were scanned with the selective μ-opioid receptor (μOR) radiotracer [11C]Carfentanil, and 22 with the selective dopamine D2/D3 receptor (DOR) radiotracer [11C]Raclopride. PET scans were recast into a 1D array of 510,340 voxels with spatial and intensity filtering of non-displaceable binding potential (BPND), representing the receptor availability level. We then performed data reduction and CBDA to power rank the predictive brain voxels. Results: CBDA classified migraineurs from HC with accuracy, sensitivity, and specificity above 90% for whole-brain and region-of-interest (ROI) analyses. The most predictive ROIs for μOR were the insula (anterior), thalamus (pulvinar, medial-dorsal, and ventral lateral/posterior nuclei), and the putamen. The latter, putamen (anterior), was also the most predictive for migraine regarding DOR D2/D3 BPND levels. Discussion: CBDA of endogenous μ-opioid and D2/D3 dopamine dysfunctions in the brain can accurately identify a migraine patient based on their receptor availability across key sensory, motor, and motivational processing regions. Our ML-based findings in the migraineur's brain neurotransmission partly explain the severe impact of migraine suffering and associated neuropsychiatric comorbidities.
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Affiliation(s)
- Simeone Marino
- Statistics Online Computational Resource, Department of Health Behavior and Biological Sciences, University of Michigan, Ann Arbor, MI, United States
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, United States
| | - Hassan Jassar
- The Michigan Neuroscience Institute (MNI), University of Michigan, Ann Arbor, MI, United States
- Headache and Orofacial Pain Effort (H.O.P.E.) Laboratory, Department of Biologic and Materials Sciences and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States
| | - Dajung J. Kim
- The Michigan Neuroscience Institute (MNI), University of Michigan, Ann Arbor, MI, United States
- Headache and Orofacial Pain Effort (H.O.P.E.) Laboratory, Department of Biologic and Materials Sciences and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States
| | - Manyoel Lim
- The Michigan Neuroscience Institute (MNI), University of Michigan, Ann Arbor, MI, United States
- Headache and Orofacial Pain Effort (H.O.P.E.) Laboratory, Department of Biologic and Materials Sciences and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States
| | - Thiago D. Nascimento
- The Michigan Neuroscience Institute (MNI), University of Michigan, Ann Arbor, MI, United States
- Headache and Orofacial Pain Effort (H.O.P.E.) Laboratory, Department of Biologic and Materials Sciences and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States
| | - Ivo D. Dinov
- Statistics Online Computational Resource, Department of Health Behavior and Biological Sciences, University of Michigan, Ann Arbor, MI, United States
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, United States
- Michigan Institute for Data Science, University of Michigan, Ann Arbor, MI, United States
| | - Robert A. Koeppe
- Department of Radiology, Division of Nuclear Medicine, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Alexandre F. DaSilva
- The Michigan Neuroscience Institute (MNI), University of Michigan, Ann Arbor, MI, United States
- Headache and Orofacial Pain Effort (H.O.P.E.) Laboratory, Department of Biologic and Materials Sciences and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States
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Buse DC, Nahas SJ, Stewart W(BF, Armand CE, Reed ML, Fanning KM, Manack Adams A, Lipton RB. Optimized Acute Treatment of Migraine Is Associated With Greater Productivity in People With Migraine: Results From the Chronic Migraine Epidemiology and Outcomes (CaMEO) Study. J Occup Environ Med 2023; 65:e261-e268. [PMID: 36701797 PMCID: PMC10090340 DOI: 10.1097/jom.0000000000002801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVE This study aimed to ascertain whether level of optimization of acute treatment of migraine is related to work productivity across the spectrum of migraine. METHODS Data were from the Chronic Migraine Epidemiology and Outcomes (CaMEO) Study, an internet-based longitudinal survey. Respondents with migraine who reported full-time employment and use of ≥1 acute prescription medication for migraine were included. We determined relationships among lost productive time (LPT; measured with the Migraine Disability Assessment Scale), acute treatment optimization (Migraine Treatment Optimization Questionnaire- ), and monthly headache days (MHDs). RESULTS There was a direct relationship between LPT and MHD category. Greater acute treatment optimization was associated with lower total LPT, less absenteeism, and less presenteeism within each MHD category. CONCLUSIONS Optimizing acute treatment for migraine may reduce LPT in people with migraine and reduce indirect costs.
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Abstract
Medication overuse headache (MOH) is a secondary headache disorder attributed to overuse of acute headache medications by a person with an underlying headache disorder, usually migraine or tension-type headache. MOH is common among individuals with 15 or more headache days per month. Although MOH is associated with substantial disability and reductions in quality of life, this condition is often under-recognized. As MOH is both preventable and treatable, it warrants greater attention and awareness. The diagnosis of MOH is based on the history and an unremarkable neurological examination, and is made according to the diagnostic criteria of the International Classification of Headache Disorders third edition (ICHD-3). Pathophysiological mechanisms of MOH include altered descending pain modulation, central sensitization and biobehavioural factors. Treatment of MOH includes the use of headache preventive therapies, but essential to success is eliminating the cause, by reducing the frequency of use of acute headache medication, and perhaps withdrawing the overused medication altogether. Appropriate treatment is usually highly effective, leading to reduced headache burden and acute medication consumption.
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Bertels Z, Mangutov E, Siegersma K, Cropper HC, Tipton A, Pradhan AA. PACAP-PAC1 receptor inhibition is effective in opioid induced hyperalgesia and medication overuse headache models. iScience 2023; 26:105950. [PMID: 36756376 PMCID: PMC9900514 DOI: 10.1016/j.isci.2023.105950] [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] [Received: 02/23/2022] [Revised: 11/07/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Opioids prescribed for pain and migraine can produce opioid-induced hyperalgesia (OIH) or medication overuse headache (MOH). We previously demonstrated that pituitary adenylate cyclase activating polypeptide (PACAP) is upregulated in OIH and chronic migraine models. Here we determined if PACAP acts as a bridge between opioids and pain chronification. We tested PACAP-PAC1 receptor inhibition in novel models of opioid-exacerbated trigeminovascular pain. The PAC1 antagonist, M65, reversed chronic allodynia in a model which combines morphine with the migraine trigger, nitroglycerin. Chronic opioids also exacerbated cortical spreading depression, a correlate of migraine aura; and M65 inhibited this augmentation. In situ hybridization showed MOR and PACAP co-expression in trigeminal ganglia, and near complete overlap between MOR and PAC1 in the trigeminal nucleus caudalis and periaqueductal gray. PACAPergic mechanisms appear to facilitate the transition to chronic headache following opioid use, and strategies targeting this system may be particularly beneficial for OIH and MOH.
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Affiliation(s)
- Zachariah Bertels
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Elizaveta Mangutov
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Kendra Siegersma
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Haley C. Cropper
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Alycia Tipton
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Amynah A. Pradhan
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA,Corresponding author
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Kanegi SL, Rosen NL. Ahead of the pain: Where we stand after a decade of growth in United Council for Neurologic Subspecialties-certified headache subspecialists. Headache 2022; 62:1339-1353. [PMID: 36416481 DOI: 10.1111/head.14425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/25/2022] [Accepted: 09/26/2022] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To characterize the geographic distribution of United States (US) headache subspecialists in 2021 compared to 2012 and analyze trends in distribution of and growth by geography. INTRODUCTION Headache disorders are the second-highest cause of disease burden worldwide. Historically, headache disorders have been treated by primary care and emergency physicians, often suboptimally. Our 2012 study identified further disparities in geographic distribution of United Council for Neurologic Subspecialties (UCNS)-certified headache subspecialists. METHODS This correlational population study explores the current geographic distribution of and changes in subspecialists by aggregating data from the UCNS, National Health Interview Survey, US Census, Bureau of Economic Analysis, and American Community Survey. RESULTS In 2021, there were 692 UCNS-certified headache subspecialists. There continued to be higher subspecialist density in the Northeast (1:34,678) and Midwest (1:55,005), with the highest density in Vermont (1:12,510) and Connecticut (1:20,419). The highest absolute subspecialist increases were in the South (99), California (35), and Texas (25). The highest relative subspecialist increases were in the West (105%), Vermont (500%), and Mississippi (500%). The univariable regressions showed significant associations between number of subspecialists and adult headache population (R2 = 0.797, p < 0.001), between subspecialist density and personal income (R2 = 0.935, p = 0.033), and between growth in subspecialists and poverty rate (R2 = 0.553, p = 0.022). However, the multivariable regressions showed that only the adult population was significantly associated with number of subspecialists (adjusted R2 = 0.806, p < 0.001). CONCLUSION Overall, there has been substantial growth in the number of UCNS-certified headache subspecialists in the US, especially relative to growth in adult headache population. Subspecialist density continues to be highest in the Northeast and is associated with higher per capita personal income. However, there has been encouraging growth in geographies that previously had little to no access. These findings represent positive progress, but there is more to be done to both increase access to optimal headache care by subspecialists nationally and decrease geographic disparities in access to care.
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Affiliation(s)
- Skyler L Kanegi
- Long School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
| | - Noah L Rosen
- Northwell Health Neuroscience Institute/Zucker School of Medicine, Hofstra University, Great Neck, New York, USA
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Cowan RP, Marmura MJ, Diener HC, Starling AJ, Schim J, Hirman J, Brevig T, Cady R. Quantity changes in acute headache medication use among patients with chronic migraine treated with eptinezumab: subanalysis of the PROMISE-2 study. J Headache Pain 2022; 23:115. [PMID: 36068494 PMCID: PMC9446734 DOI: 10.1186/s10194-022-01482-0] [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] [Received: 06/23/2022] [Accepted: 08/09/2022] [Indexed: 11/10/2022] Open
Abstract
Background Patients with chronic migraine (CM) treated with eptinezumab in the PROMISE-2 trial achieved greater reductions in migraine and headache frequency, impact, and acute headache medication (AHM) use than did patients who received placebo. This post hoc analysis examines relationships between headache frequency reductions and changes in AHM use in patients in PROMISE-2. Methods PROMISE-2 was a double-blind, placebo-controlled trial conducted in adults with CM. Patients were randomized to eptinezumab 100 mg, 300 mg, or placebo, administered intravenously once every 12 weeks for up to two doses. Patients recorded headache/AHM information daily and for each event in an electronic diary; data from all days with daily reports were included. Shifts in headache frequency and AHM use were assessed in the three populations: total CM population, patients with CM and medication-overuse headache (MOH), and patients with CM and MOH who were ≥ 50% responders during treatment (response over weeks 1–24). Results A total of 1072 adults with CM received treatment (eptinezumab, n = 706; placebo, n = 366). Mean baseline headache frequency was 20.5 days; mean baseline AHM days was 13.4; 431 patients had MOH, of which 225 (52.2%) experienced ≥50% response over weeks 1–24. Relative to baseline, the proportion of days with both headache and AHM use decreased 25.1% (eptinezumab) versus 17.0% (placebo) in the total population (N = 1072), 29.2% versus 18.4% in the MOH subpopulation (n = 431), and 38.3% versus 31.5% in the CM with MOH population with ≥50% response subgroup (n = 225) during weeks 1–24. The proportion of days with headache and triptan use decreased 9.1% (eptinezumab) versus 5.8% (placebo), 11.8% versus 7.2%, and 14.5% versus 12.6%, respectively. Reductions in other AHM types were smaller. Conclusions In this post hoc analysis, eptinezumab use in patients with CM was associated with greater decreases in days with headache with AHM overall and with triptans in particular. The magnitude of effect was greater in the subgroup of CM patients with MOH and ≥ 50% response. Trial registration ClinicalTrials.gov Identifier: NCT02974153. Graphical abstract Eptinezumab reduces headache frequency and acute medication use in patients with chronic migraine.![]()
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Affiliation(s)
| | | | - Hans-Christoph Diener
- Medical Faculty of the University Duisburg-Essen, Institute for Medical Informatics, Biometry and Epidemiology, Essen, Germany
| | | | - Jack Schim
- The Neurology Center of Southern California, Carlsbad, CA, USA
| | - Joe Hirman
- Pacific Northwest Statistical Consulting, Inc., Woodinville, WA, USA
| | | | - Roger Cady
- Lundbeck LLC, Deerfield, IL, USA. .,RK Consults, Ozark, MO, USA. .,Missouri State University, Springfield, MO, USA.
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Migraine Headache in an Employed Population. J Occup Environ Med 2022; 64:679-685. [DOI: 10.1097/jom.0000000000002564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lipton RB, Nicholson RA, Reed ML, Araujo AB, Jaffe DH, Faries DE, Buse DC, Shapiro RE, Ashina S, Cambron-Mellott MJ, Rowland JC, Pearlman EM. Diagnosis, consultation, treatment, and impact of migraine in the US: Results of the OVERCOME (US) study. Headache 2022; 62:122-140. [PMID: 35076091 PMCID: PMC9305407 DOI: 10.1111/head.14259] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 11/20/2021] [Accepted: 12/09/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The ObserVational survey of the Epidemiology, tReatment and Care of MigrainE (OVERCOME; United States) study is a multicohort, longitudinal web survey that assesses symptomatology, consulting, diagnosis, treatment, and impact of migraine in the United States. BACKGROUND Regularly updating population-based views of migraine in the United States provides a method for assessing the quality of ongoing migraine care and identifying unmet needs. METHODS The OVERCOME (US) 2018 migraine cohort involved: (I) creating a demographically representative sample of US adults using quota sampling (n = 97,478), (II) identifying people with active migraine in the past year via a validated migraine diagnostic questionnaire and/or self-reported medical diagnosis of migraine (n = 24,272), and (III) assessing consultation, diagnosis, and treatment of migraine (n = 21,143). The current manuscript evaluated whether those with low frequency episodic migraine (LFEM; 0-3 monthly headache days) differed from other categories on outcomes of interest. RESULTS Among the migraine cohort (n = 21,143), 19,888 (94.1%) met our International Classification of Headache Disorders, 3rd edition-based case definition of migraine and 12,905 (61.0%) self-reported a medical diagnosis of migraine. Respondents' mean (SD) age was 42.2 (15.0) years; 15,697 (74.2%) were women. Having at least moderate disability was common (n = 8965; 42.4%) and around half (n = 10,783; 51.0%) had consulted a medical professional for migraine care in the past year. Only 4792 (22.7%) of respondents were currently using a triptan. Overall, 8539 (40.4%) were eligible for migraine preventive medication and 3555 (16.8%) were currently using migraine preventive medication. Those with LFEM differed from moderate and high frequency episodic migraine and chronic migraine on nearly all measures of consulting, diagnosis, and treatment. CONCLUSION The OVERCOME (US) 2018 cohort revealed slow but steady progress in diagnosis and preventive treatment of migraine. However, despite significant impact among the population, many with migraine have unmet needs related to consulting for migraine, migraine diagnosis, and getting potentially beneficial migraine treatment. Moreover, it demonstrated the heterogeneity and varying unmet needs within episodic migraine.
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Affiliation(s)
- Richard B Lipton
- Department of Neurology, Albert Einstein College of Medicine, Bronx, New York, USA
| | | | | | | | | | | | - Dawn C Buse
- Department of Neurology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Robert E Shapiro
- Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Sait Ashina
- Department of Neurology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.,Department of Anesthesia, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
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14
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Gottschalk C, Basu A, Blumenfeld A, Torphy B, Marmura MJ, Pavlovic JM, Dumas PK, Lalvani N, Buse DC. The importance of an early onset of migraine preventive disease control: A roundtable discussion. CEPHALALGIA REPORTS 2022. [DOI: 10.1177/25158163221134593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Background: Newly approved migraine preventive therapies have allowed for rapid control of migraine activity, offering potential to minimize the burden of migraine. This report summarizes a roundtable discussion convened to analyze evidence for early onset of prevention, ascertain its clinical relevance, and provide guidance for healthcare professionals in crafting goals and treatment expectations for patients with migraine initiating preventive therapy. Methods: A virtual roundtable meeting of migraine clinicians, researchers, and patient advocates convened in October 2020. Participants reviewed and discussed data summarizing patient and healthcare professional perceptions of migraine prevention and evidence from the peer-reviewed and gray literature to develop corresponding recommendations. Summary: Evidence from clinical studies of anti-calcitonin gene-related peptide monoclonal antibodies (erenumab, fremanezumab, galcanezumab, and eptinezumab) and the chemodenervation agent onabotulinumtoxinA indicate that patients may experience reduction of migraine activity within 7 days of drug administration and early attainment of disease control is associated with improvements in clinically important outcomes. The roundtable of experts proposes that early onset be defined as demonstration of preventive benefits within 1 week of treatment initiation. We recommend focusing discussion with patients around “disease control” and potential benefits of early onset of prevention, so patients can set realistic preventive therapy goals and expectations.
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Affiliation(s)
| | - Anirban Basu
- The CHOICE Institute, School of Pharmacy, University of Washington, Seattle, WA, USA
| | - Andrew Blumenfeld
- Headache Center of Southern California, The Neurology Center, Carlsbad, CA, USA
| | - Bradley Torphy
- Chicago Headache Center and Research Institute, Chicago, IL, USA
| | - Michael J Marmura
- Jefferson Headache Center, Department of Neurology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Jelena M Pavlovic
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Nim Lalvani
- American Migraine Foundation, Mount Royal, NJ, USA
| | - Dawn C Buse
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
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15
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Deighton AM, Harris LA, Johnston K, Hogan S, Quaranta LA, L'Italien G, Coric V. The burden of medication overuse headache and patterns of switching and discontinuation among triptan users: a systematic literature review. BMC Neurol 2021; 21:425. [PMID: 34727873 PMCID: PMC8561931 DOI: 10.1186/s12883-021-02451-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 10/06/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND A synthesis of real-world discontinuation and switching patterns among triptan users and rates of acute medication use among patients with medication overuse headache (MOH) is needed to better understand the burden among patients with migraine. The study objectives were to: (1) synthesize rates of switching and discontinuation from triptans; (2) characterize acute medication use among patients with MOH; and (3) describe the associated burden. METHODS A systematic literature review was conducted, under the Preferred Reporting Items for Systematic Review guidelines, using MEDLINE/EMBASE from database inception to July 2019. The search strategy targeted studies of adults with migraine, and included terms related to migraine and its treatment. Continuous variables were summarized using means, standard deviations, and ranges. Dichotomous and categorical variables were summarized using the number and proportion of individuals. RESULTS Twenty studies were included; seven describing patterns of switching and discontinuation among triptan users, and 13 characterizing triptan overuse among patients with MOH. High rates of switching to non-specific acute medications and low two-year retention rates were reported; among US samples switching to opioids at the first refill (18.2%) or after 1-year (15.5%) was frequent. Compared to persistent use of triptans, switchers experienced greater headache related impact and either no improvement or increased headache-related disability. Rates of medication overuse by agent among patients with MOH varied greatly across the included studies, and only one study described factors associated with the risk of MOH (e.g. duration of medication overuse). Medication agent, increased headache frequency (p = .008), and increased disability (p = .045) were associated with unsuccessful withdrawal; patients overusing triptans were more successful at withdrawal than those overusing opioids or combination analgesics (P < .0001). CONCLUSIONS The evidence summarized here highlights that rates of WCS are low and many patients turn to other acute medication at their first refill. Patients may experience no improvement in disability when switching from one triptan agent to another, or experience increasing disability and/or increasing migraine frequency when turning to traditional acute treatment for migraine. Variability in health care settings, patient severity, and study design contributed to heterogeneity across the synthesis.
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Affiliation(s)
- Alison M Deighton
- Broadstreet HEOR, 201-343 Railway St, Vancouver, BC, V6A 1A4, Canada.
| | - Linda A Harris
- Biohaven Pharmaceuticals, 215 Church Street, New Haven, CT, USA
| | - Karissa Johnston
- Broadstreet HEOR, 201-343 Railway St, Vancouver, BC, V6A 1A4, Canada
| | - Shomari Hogan
- Biohaven Pharmaceuticals, 215 Church Street, New Haven, CT, USA
| | - Lynn A Quaranta
- Biohaven Pharmaceuticals, 215 Church Street, New Haven, CT, USA
| | | | - Vlad Coric
- Biohaven Pharmaceuticals, 215 Church Street, New Haven, CT, USA
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16
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McKinley EC, Lay CL, Rosenson RS, Chen L, Chia V, Colantonio LD, Muntner P, Urman R, Farkouh ME. Risk for ischemic stroke and coronary heart disease associated with migraine and migraine medication among older adults. J Headache Pain 2021; 22:124. [PMID: 34645382 PMCID: PMC8513203 DOI: 10.1186/s10194-021-01338-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/01/2021] [Indexed: 12/31/2022] Open
Abstract
Background Migraine has been associated with cardiovascular disease (CVD) events among middle-aged adults. The objective of this study was to determine the risk for ischemic stroke and coronary heart disease (CHD) events among older adults with versus without migraine. Methods This retrospective cohort study was conducted using data from US adults ≥66 years of age with Medicare health insurance between 2008 and 2017. After stratification by history of CVD, patients with a history of migraine were matched 1:4 to those without a history of migraine, based on calendar year, age, and sex. Patients were followed through December 31, 2017 for ischemic stroke and CHD events including myocardial infarction or coronary revascularization. All analyses were done separately for patients with and without a history of CVD. Results Among patients without a history of CVD (n = 109,950 including n = 21,990 with migraine and n = 87,960 without migraine), 1789 had an ischemic stroke and 3552 had a CHD event. The adjusted hazard ratio (HR) among patients with versus without migraine was 1.20 (95% confidence interval [95%CI], 1.07–1.35) for ischemic stroke and 1.02 (95%CI, 0.93–1.11) for CHD events. Compared to patients without migraine, those with migraine who were taking an opioid medication had a higher risk for ischemic stroke (adjusted HR 1.43 [95%CI, 1.20–1.69]), while those taking a triptan had a lower risk for CHD events (adjusted HR 0.79 [95%CI, 0.67–0.93]). Among patients with a history of CVD (n = 79,515 including n = 15,903 with migraine and n = 63,612 without migraine), 2960 had an ischemic stroke and 7981 had a CHD event. The adjusted HRs (95%CI) for ischemic stroke and CHD events associated with migraine were 1.27 (1.17–1.39) and 0.99 (0.93–1.05), respectively. Patients with migraine taking an opioid medication had a higher risk for ischemic stroke (adjusted HR 1.21 [95%CI, 1.07–1.36]), while those taking a triptan had a lower risk for CHD events (adjusted HR 0.83 [95%CI, 0.72–0.95]), each versus those without migraine. Conclusions Older adults with migraine are at increased risk for ischemic stroke. The risk for ischemic stroke among older adults with migraine may differ by migraine medication classes. Supplementary Information The online version contains supplementary material available at 10.1186/s10194-021-01338-z.
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Affiliation(s)
- Emily C McKinley
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, RPHB 523B, Birmingham, AL, 35233-0013, USA.
| | - Christine L Lay
- Centre for Headache, University of Toronto, Toronto, ON, Canada
| | | | - Ligong Chen
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, RPHB 523B, Birmingham, AL, 35233-0013, USA
| | | | - Lisandro D Colantonio
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, RPHB 523B, Birmingham, AL, 35233-0013, USA
| | - Paul Muntner
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, RPHB 523B, Birmingham, AL, 35233-0013, USA
| | | | - Michael E Farkouh
- Peter Munk Cardiac Centre and Heart and Stroke Richard Lewar Centre, University of Toronto, Toronto, Canada
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17
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Pellatt RAF, Kamona S, Chu K, Sweeny A, Kuan WS, Kinnear FB, Karamercan MA, Klim S, Wijeratne T, Graham CA, Body R, Roberts T, Horner D, Laribi S, Keijzers G, Kelly AM. The Headache in Emergency Departments study: Opioid prescribing in patients presenting with headache. A multicenter, cross-sectional, observational study. Headache 2021; 61:1387-1402. [PMID: 34632592 DOI: 10.1111/head.14217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/02/2021] [Accepted: 07/23/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To describe the patterns of opioid use in patients presenting to the emergency department (ED) with nontraumatic headache by severity and geography. BACKGROUND International guidelines recognize opioids are ineffective in treating primary headache disorders. Globally, many countries are experiencing an opioid crisis. The ED can be a point of initial exposure leading to tolerance for patients. More geographically diverse data are required to inform practice. METHODS This was a planned, multicenter, cross-sectional, observational substudy of the international Headache in Emergency Departments (HEAD) study. Participants were prospectively identified throughout March 2019 from 67 hospitals in Europe, Asia, Australia, and New Zealand. Adult patients with nontraumatic headache were included as identified by the local site investigator. RESULTS Overall, 4536 patients were enrolled in the HEAD study. Opioids were administered in 1072/4536 (23.6%) patients in the ED, and 386/3792 (10.2%) of discharged patients. High opioid use occurred prehospital in Australia (190/1777, 10.7%) and New Zealand (55/593, 9.3%). Opioid use in the ED was highest in these countries (Australia: 586/1777, 33.0%; New Zealand: 221/593, 37.3%). Opioid prescription on discharge was highest in Singapore (125/442, 28.3%) and Hong Kong (12/49, 24.5%). Independent predictors of ED opioid administration included the following: severe headache (OR 4.2, 95% CI 3.1-5.5), pre-ED opioid use (OR 1.42, 95% CI 1.11-1.82), and long-term opioid use (OR 1.80, 95% CI 1.26-2.58). ED opioid administration independently predicted opioid prescription at discharge (OR 8.4, 95% CI 6.3-11.0). CONCLUSION Opioid prescription for nontraumatic headache in the ED and on discharge varies internationally. Severe headache, prehospital opioid use, and long-term opioid use predicted ED opioid administration. ED opioid administration was a strong predictor of opioid prescription at discharge. These findings support education around policy and guidelines to ensure adherence to evidence-based interventions for headache.
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Affiliation(s)
- Richard A F Pellatt
- Emergency Department, Gold Coast University Hospital, Southport, Queensland, Australia.,LifeFlight Retrieval Medicine, Brisbane, Queensland, Australia.,Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia.,School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Sinan Kamona
- Emergency Department, Auckland City Hospital, Auckland District Health Board, Auckland, New Zealand.,School of Medicine, University of Auckland, Auckland, New Zealand
| | - Kevin Chu
- Emergency and Trauma Centre, Royal Brisbane and Women's Hospital, Queensland, Australia.,Faculty of Medicine, University of Queensland, Queensland, Australia
| | - Amy Sweeny
- Emergency Department, Gold Coast University Hospital, Southport, Queensland, Australia.,Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia.,School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Win Sen Kuan
- Emergency Medicine Department, National University Hospital, National University Health System, Singapore, Singapore.,Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Frances B Kinnear
- Faculty of Medicine, University of Queensland, Queensland, Australia.,Emergency & Children's Services, The Prince Charles Hospital, Chermside, Queensland, Australia
| | - Mehmet A Karamercan
- Gazi University Faculty of Medicine, Ankara, Turkey.,Department of Emergency Medicine, University of Health Sciences, Ankara, Turkey
| | - Sharon Klim
- Joseph Epstein Centre for Emergency Medicine Research, Western Health, Sunshine, Victoria, Australia
| | - Tissa Wijeratne
- Department of Neurology, Western Health, St Albans, Victoria, Australia.,Public Health School, La Trobe University, Bundoora, Victoria, Australia
| | - Colin A Graham
- Emergency Medicine, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, SAR
| | - Richard Body
- Division of Cardiovascular Sciences, The University of Manchester, Manchester, UK.,Emergency Department, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Tom Roberts
- Emergency Department, North Bristol NHS Trust, Bristol, UK
| | - Daniel Horner
- Emergency Department, Salford Royal NHS Foundation Trust, Salford, UK.,Division of Infection, Immunity and Respiratory Medicine, The University of Manchester, Manchester, UK
| | - Said Laribi
- Emergency Medicine Department, Tours University Hospital, Tours, France
| | - Gerben Keijzers
- Emergency Department, Gold Coast University Hospital, Southport, Queensland, Australia.,Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia.,School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Anne-Maree Kelly
- Joseph Epstein Centre for Emergency Medicine Research, Western Health, Sunshine, Victoria, Australia.,Department of Medicine, Western Health, Melbourne Medical School, The University of Melbourne, Parkville, Victoria, Australia
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18
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Harris L, L'Italien G, O'Connell T, Hasan Z, Hutchinson S, Lucas S. A Framework for Estimating the Eligible Patient Population for New Migraine Acute Therapies in the United States. Adv Ther 2021; 38:5087-5097. [PMID: 34057676 PMCID: PMC8478730 DOI: 10.1007/s12325-021-01781-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/07/2021] [Indexed: 01/05/2023]
Abstract
Introduction Migraine is associated with considerable disability for patients not adequately managed with current standards of care. New acute therapies may offer relief for this population of patients; however, population size and associated potential costs of new therapies are unclear. In this study, a conceptual framework was developed to estimate anticipated use of new acute therapies. Methods Targeted literature review (TLR) was conducted to identify factors affecting access to migraine-specific acute therapies, and characteristics of individuals who would be eligible for new acute therapies. Findings from the TLR were combined to create a framework for estimating the size of the eligible patient population. This framework was used to calculate two estimates of the eligible patient population by applying parameters (i) identified in the TLR and (ii) from a recent budget-impact analysis (BIA). Results The primary factors affecting access to migraine-specific acute therapies identified in the TLR were consulting a healthcare professional for headache, receiving a migraine diagnosis, and receiving a prescription for migraine-specific treatment. Characteristics of individuals likely to use new acute therapies reflected in the TLR were contraindication to triptans, or failure to respond to/tolerate at least two oral triptans. Application of the framework suggested that 15–25% of individuals with migraine would be eligible for new acute therapies. Conclusion A limited number of patients currently use migraine-specific acute therapies. Among such patients, a significant proportion do not have adequate symptom control. Accordingly, a minority of individuals with migraine may be expected to use new acute therapies. The framework developed in this study is intended to facilitate estimating the eligible patient population in assessments of costs of new acute therapies. Such assessments should also consider recommendations that patients have access to multiple types of acute therapies, which may yield savings from reduced medication-overuse headache (MOH), progression to chronic migraine, and urgent-care costs. Supplementary Information The online version contains supplementary material available at 10.1007/s12325-021-01781-z.
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Affiliation(s)
| | | | | | | | | | - Sylvia Lucas
- Department of Neurology, University of Washington Medical Center, Seattle, WA, USA
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19
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Lipton RB, Munjal S, Tepper SJ, Iaconangelo C, Serrano D. A Multicenter, Randomized, Double-Blind, Placebo-Controlled Study of the Efficacy, Tolerability, and Safety of Celecoxib Oral Solution (ELYXYB) in Acute Treatment of Episodic Migraine with or without Aura. J Pain Res 2021; 14:2529-2542. [PMID: 34447267 PMCID: PMC8382884 DOI: 10.2147/jpr.s322292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/09/2021] [Indexed: 12/18/2022] Open
Abstract
Background Safe, effective, oral therapies are needed for acute treatment of migraine. This clinical trial assessed the efficacy, tolerability, and safety of celecoxib oral solution (ELYXYB) in a single migraine attack associated with moderate-to-severe pain. Methods This was a phase III, randomized (1:1), double-blind, placebo-controlled trial, conducted at 41 US centers from December 2016 to October 2017. Adults with episodic migraine (with or without aura) for ≥1 year were treated with a single 4.8 mL dose of 120-mg celecoxib oral solution or placebo. Co-primary endpoints were the proportion of patients who were pain-free and free from the most bothersome migraine symptom (MBS) at 2 hours post-dose. The MBS was identified at screening from among nausea, photophobia, or phonophobia. Results Six hundred thirty-one patients were randomized (celecoxib oral solution, n=316; placebo, n=315; mean age 41 years, range 18-75; 84.3% female). One study site met prespecified outlier criteria (defined as a treatment effect estimate that was at least twice as large as all other sites) and was excluded from efficacy analyses. This site had a mean 2-hour pain freedom placebo response rate of 75% vs a combined mean of 23.5% for all other sites. In subsequent analysis, 2-hour post-dose pain freedom response rates were significantly higher in the celecoxib oral solution group vs placebo (32.8%, [27.2%, 38.8%]) vs 23.5%, [18.5%, 29.2%]; P=0.020). For 2-hour post-dose MBS freedom, response rates were significantly higher in the celecoxib oral solution group vs placebo (58.1% [51.4%, 64.5%] vs 43.9% [37.2%, 50.7%]; P=0.003). A total of 10.7% (31/289) of patients treated with celecoxib oral solution and 9.9% (28/283) of placebo-treated patients reported a treatment-emergent adverse event (TEAE). Study drug-related TEAEs were reported by 7.3% (21/289) and 7.4% (21/283) of celecoxib oral solution and placebo patients, respectively; the most common were nausea (celecoxib oral solution: 1.4% [4/289] vs placebo: 1.8% [5/283]) and dysgeusia (celecoxib oral solution: 1.7% [5/289] vs placebo: 1.1% [3/283]). No serious TEAEs, deaths, or drug-related TEAEs leading to withdrawal were reported. Conclusion Celecoxib oral solution is a safe, effective COX-2-selective nonsteroidal anti-inflammatory drug for the treatment of acute migraine. In this analysis, celecoxib oral solution was significantly more effective than placebo and was also associated with a low rate of gastric TEAEs. Celecoxib oral solution may provide a convenient, alternate option to currently available treatments. Trial Registration ClinicalTrials.gov Identifier: NCT03009019; registered January 4, 2017; retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT03009019.
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Affiliation(s)
- Richard B Lipton
- The Saul R. Korey Department of Neurology, Department of Psychiatry and Behavioral Sciences, Department of Epidemiology & Population Health, Albert Einstein College of Medicine and Montefiore Headache Center, New York, NY, USA
| | - Sagar Munjal
- Operations & Medical Affairs Proprietary Products, Dr. Reddy's Laboratories Inc., Princeton, NJ, USA
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20
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Radat F. What is the link between migraine and psychiatric disorders? From epidemiology to therapeutics. Rev Neurol (Paris) 2021; 177:821-826. [PMID: 34325915 DOI: 10.1016/j.neurol.2021.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/04/2021] [Accepted: 07/06/2021] [Indexed: 01/07/2023]
Abstract
The association between migraine and psychiatric disorders is well documented through numerous population-based studies. The results of these studies are coherent and show an increased risk of suffering from depression, bipolar disorders, numerous anxiety disorders, especially post-traumatic stress disorder. This raises the question of stress as a precipitating factor for migraine illness. Psychiatric comorbidity is even more frequent in chronic migraine than in episodic migraine patients. Many prospective studies have shown that psychiatric comorbidity could be considered as a risk factor for migraine chronicization. Psychiatric comorbidity is also responsible for an increase of the frequency of anti-migraine drug intake, a worsening of quality of life and a worsening of functional impairment. It is also responsible for an increase in the direct and indirect costs of migraine. The reason why psychiatric comorbidity is so high in migraineurs is not unambiguous. Multiple causal relationships and common etiological factors are linked. Recently, genome-wide association studies gave leads to a genetic common heritability between major depressive disorder and migraine. For clinicians, an important topic remains how to treat migraineurs with psychiatric comorbidity. These patients suffer frequently from severe migraine or refractory migraine. Antidepressant and anti-convulsive drugs can be useful, as well as psychological therapies. But moreover, it is of utmost importance to propose an integrated multidisciplinary approach to these difficult patients.
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Affiliation(s)
- F Radat
- Cabinet medical, 107, rue Judaïque, 33000 Bordeaux, France.
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21
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Real-Life Response to Erenumab in a Therapy-Resistant Case Series of Migraine Patients From the Province of Québec, Eastern Canada. Clin Drug Investig 2021; 41:733-739. [PMID: 34287786 DOI: 10.1007/s40261-021-01059-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND OBJECTIVE Erenumab is the first migraine-specific preventive therapy approved by Health Canada since the approval of onabotulinumtoxinA 10 years ago. It is one of four calcitonin gene-related peptide antagonist monoclonal antibodies that have been commercialized worldwide for use in the headache pipeline. The objective of our study was to determine real-life efficacy of monthly erenumab for the prevention of migraine in a small case series of difficult-to-treat patients followed at a tertiary headache clinic from the Canadian province of Québec. METHODS We performed a retrospective chart audit of patients having failed four or more conventional migraine oral preventive therapies and who were treated with monthly self-administered subcutaneous erenumab (70 or 140 mg/mL dose) over a 1-year period. We assessed the patients' baseline characteristics, response to treatment, and tolerability. RESULTS A total of 18 patients with a diagnosis of high-frequency episodic migraines or chronic migraine met criteria (83.3% female; mean age: 48.7 years; mean duration of migraine condition: 32.9 years). Patients self-administered erenumab using a prefilled disposable autoinjector on a monthly basis; 16 patients received a 140 mg/mL dosage, two patients received a 70 mg/mL dosage. At 1 year follow-up, 50% of patients reported ≥ 50% reduction in migraine frequency and were deemed responders. Patients attempted six doses of erenumab therapy prior to discontinuation for non-response, except for two patients with other concomitant chronic pain conditions, who required ten doses to reach a 50% response. For the overall cohort, there was a decrease of 5.2 monthly migraine days; 9 days for responders and 1.3 days for non-responders (t-test (df = 16) = - 2.77, p = 0.014). There was an additional decrease of 7 monthly non-migraine days amongst patients with unremitting daily headaches; 8 days for responders and 5 days for non-responders (p > 0.05). There was a decrease of 5.4 monthly days using acute analgesics; 8.9 days for responders and 2 days for non-responders (T(16) = - 2.33, p = 0.033). The overall mean reduction in disability using the Headache Impact Test (HIT-6) score was 5.6 points; only responders showed a reduction in HIT-6 severity category (p > 0.05). The most commonly reported adverse event was constipation (16.7%), which did not lead to treatment discontinuation and was successfully managed in all patients with early counselling and intervention. CONCLUSION This study supports the efficacy of erenumab in a case series of therapy-resistant migraine patients from the region of Québec. A high rate of previously failed preventive oral agents and medication overuse did not predict response in our patient cohort. In the presence of real-world complexity factors, such as psychological distress, regular opioid consumption and concomitant chronic pain conditions, a longer therapy trial may be warranted in obtaining optimal response.
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22
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Amador RO, Gfrerer L, Panzenbeck P, Hansdorfer MA, Austen WG. Trigger Site Deactivation Surgery for Headaches is Associated with Decreased Postoperative Medication Use. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3634. [PMID: 34150427 PMCID: PMC8205194 DOI: 10.1097/gox.0000000000003634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 04/14/2021] [Indexed: 12/27/2022]
Abstract
Patients with chronic headaches suffer debilitating pain, which often leads to the use of numerous medications. Trigger site deactivation surgery has emerged as an effective treatment for select headache patients. This study aims to describe the preoperative and postoperative medication use among patients undergoing trigger site deactivation. METHODS One-hundred sixty patients undergoing trigger site deactivation surgery between September 2012 and November 2017 were prospectively enrolled. Information on medication use, including type, dose, and frequency of use, was collected. Follow-up surveys were sent to all patients 12 months postoperatively. RESULTS One-hundred twenty-nine patients met the inclusion criteria. At the time of screening, 96% of patients described taking prescription medication for their headache pain. The type of medication varied among patients but included preventative in 55%, abortive in 52%, rescue in 54%, and antiemetic in 18%. Thirty-one percent of patients reported using opioid medication for their headache pain. At 12 months postoperatively, 68% of patients reported decreased prescription medication use. Patients reported a 67% decrease in the number of days they took medication. Twenty-three percent stopped medications altogether. Fifty percent of patients reported that their migraine medication helped them more compared with preoperatively. CONCLUSIONS Trigger site deactivation surgery has been associated with improvements in headache symptoms. We now show that it is also associated with a significant decrease in medication use.
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Affiliation(s)
- Ricardo O. Amador
- From the Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Lisa Gfrerer
- From the Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Paul Panzenbeck
- From the Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Marek A. Hansdorfer
- From the Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - William G. Austen
- From the Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
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Wertheimer G, Mathieson S, Maher CG, Lin CWC, McLachlan AJ, Buchbinder R, Pearson SA, Underwood M. The Prevalence of Opioid Analgesic Use in People with Chronic Noncancer Pain: Systematic Review and Meta-Analysis of Observational Studies. PAIN MEDICINE 2021; 22:506-517. [PMID: 33164087 DOI: 10.1093/pm/pnaa322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To review studies examining the proportion of people with chronic noncancer pain who report consuming opioids and characteristics associated with their use. DESIGN Systematic review. METHODS We searched databases from inception to February 8, 2020, and conducted citation tracking. We included observational studies reporting the proportion of adults with chronic noncancer pain who used opioid analgesics. Opioids were categorized as weak (e.g., codeine) or strong (e.g., oxycodone). Study risk of bias was assessed, and Grading of Recommendations Assessment, Development and Evaluations provided a summary of the overall quality. Results were pooled using a random-effects model. Meta-regression determined factors associated with opioid use. RESULTS Sixty studies (N=3,961,739) reported data on opioid use in people with chronic noncancer pain from 1990 to 2017. Of these 46, 77% had moderate risk of bias. Opioid use was reported by 26.8% (95% confidence interval [CI], 23.1-30.8; moderate-quality evidence) of people with chronic noncancer pain. The use of weak opioids (17.3%; 95% CI 11.9-24.4; moderate-quality evidence) was more common than the use of strong opioids (9.8%; 95% CI, 6.8-14.0; low-quality evidence). Meta-regression determined that opioid use was associated with geographic region (P=0.02; lower in Europe than North America), but not sampling year (P=0.77), setting (P=0.06), diagnosis (P=0.34), or disclosure of funding (P=0.77). CONCLUSIONS Our review summarized data from over 3.9 million people with chronic noncancer pain reporting their opioid use. Between 1990 and 2017, one-quarter of people with chronic noncancer pain reported taking opioids, and this proportion did not change over time.
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Affiliation(s)
- Graeme Wertheimer
- School of Medicine, University of Notre Dame, Sydney, New South Wales, Australia
| | - Stephanie Mathieson
- Institute for Musculoskeletal Health, Sydney, New South Wales, Australia.,Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Christopher G Maher
- Institute for Musculoskeletal Health, Sydney, New South Wales, Australia.,Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Chung-Wei Christine Lin
- Institute for Musculoskeletal Health, Sydney, New South Wales, Australia.,Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Andrew J McLachlan
- Sydney Pharmacy School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Rachelle Buchbinder
- Monash Department of Clinical Epidemiology, Cabrini Institute, Malvern, Victoria, Australia.,Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Clayton, Victoria, Australia
| | - Sallie-Anne Pearson
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Clayton, Victoria, Australia
| | - Martin Underwood
- Warwick Clinical Trials Unit, University of Warwick, Coventry, UK.,University Hospitals Coventry and Warwickshire, Coventry, UK
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24
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Tepper SJ, Fang J, Zhou L, Shen Y, Vo P, Abdrabboh A, Glassberg MB, Ferraris M. Effectiveness of erenumab and onabotulinumtoxinA on acute medication usage and health care resource utilization as migraine prevention in the United States. J Manag Care Spec Pharm 2021; 27:1157-1170. [PMID: 33998825 PMCID: PMC10394219 DOI: 10.18553/jmcp.2021.21060] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND: Migraine is a common neurological disease that can have a substantial impact on patients' lives and on society. Erenumab, a fully human monoclonal antibody that targets the calcitonin gene-related peptide receptor, was specifically developed for migraine prevention. The efficacy of erenumab has been established in several clinical trials; however, the real-world comparative effectiveness of erenumab has not been fully investigated. OBJECTIVE: To evaluate the real-world impact of erenumab and onabotulinumtoxinA on acute medication usage and health care resource utilization (HCRU) among patients with migraine in the United States. METHODS: This retrospective US claims analysis (Optum's deidentified Clinformatics Data Mart Database) evaluated patients aged at least 18 years diagnosed with migraine who initiated erenumab or onabotulinumtoxinA between May 1, 2018, and September 30, 2019 (index date: first erenumab/onabotulinumtoxinA claim). Cohorts were matched 1:1 using the propensity score (PS) method (greedy match with caliper = 0.1). Stratification was performed based on gender, chronic migraine without aura diagnosis, onabotulinumtoxinA use, and acute/preventive drug use. The impact of erenumab and onabotulinumtoxinA on acute medication usage and HCRU was assessed in the 6-month post-index period. An exploratory analysis assessed the impact of erenumab and onabotulinumtoxinA on a composite endpoint of: (1) outpatient visit with a migraine diagnosis and associated acute medication claim, (2) hospital admission with a primary migraine diagnosis, or (3) emergency department visit with a primary migraine diagnosis. PS-matched data were used for comparative analyses; logistic regression with covariate adjustment was used for dichotomous variables, and a negative binomial model was used for count variables, with odds ratios or rate ratios (RRs) and 95% CIs calculated. RESULTS: Following stratified PS matching, 1,338 patients were included in both cohorts. At 6 months, the adjusted average number of claims per person for any acute medication was significantly lower in the erenumab cohort (1.13 vs 1.29 in the onabotulinumtoxinA cohort; RR = 0.88; 95% CI = 0.80-0.96; P = 0.0069), although the difference in the number of claims for triptans and barbiturates was statistically nonsignificant. The adjusted average number of all-cause and migraine-specific visits per person to health care providers was generally lower in the erenumab cohort compared with the onabotulinumtoxinA cohort. Patients in the erenumab cohort had a significantly lower number of composite events (0.44 vs 0.69 in the onabotulinumtoxinA cohort; RR = 0.63; 95% CI = 0.56-0.71; P < 0.0001). Similarly, the adjusted proportion of patients with any of the 3 composite events was lower in the erenumab cohort (31.7% vs 44.3% in the onabotulinumtoxinA cohort; OR = 0.59; 95% CI = 0.49-0.70; P < 0.0001). CONCLUSIONS: In this retrospective claims analysis study, erenumab significantly reduced acute medication usage (opioids and nonsteroidal anti-inflammatory drugs; any acute medication when analyzed together) and HCRU to a greater extent than onabotulinumtoxinA. DISCLOSURES: This study was supported by Novartis Pharma AG. Novartis employees contributed to the study design, analysis of the data, and the decision to publish the results. Fang, Abdrabboh, Glassberg, Vo, and Ferraris are employed by Novartis. Zhou and Shen are employed by KMK Consulting, Inc., which received funding from Novartis to conduct the study. Tepper reports grants from Allergan, Amgen, ElectroCore, Eli Lilly, Lundbeck, Neurolief, Novartis, Satsuma, and Zosano, outside the submitted work; personal fees from Dartmouth-Hitchcock Medical Center, American Headache Society, Thomas Jefferson University, Aeon, Align Strategies, Allergan/AbbVie, Alphasights, Amgen, Aperture Venture Partners, Aralez Pharmaceuticals Canada, Axsome Therapeutics, Becker Pharmaceutical Consulting, BioDelivery Sciences International, Biohaven, ClearView Healthcare Partners, CoolTech, CRG, Currax, Decision Resources, DeepBench, DRG, Eli Lilly, Equinox, ExpertConnect, GLG, Guidepoint Global Healthcare Consultancy Group, Health Science Communications, HMP Communications, Impel, InteractiveForums, M3 Global Research, Magellan Rx Management, Medicxi, Navigant Consulting, Neurorelief, Nordic BioTech, Novartis, Pulmatrix, Reckner Healthcare, Relevale, SAI MedPartners, Satsuma, Slingshot Insights, Spherix Global Insights, Sudler and Hennessey, Synapse Medical Communications, System Analytic, Teva, Theranica, Thought Leader Select, Trinity Partners, XOC, Zosano, Krog and Partners, and Lundbeck, outside the submitted work; and CME honoraria from American Academy of Neurology, American Headache Society, Cleveland Clinic Foundation, Diamond Headache Clinic, Elsevier, Forefront Collaborative, Hamilton General Hospital, Ontario, Canada, Headache Cooperative of New England, Henry Ford Hospital, Detroit, Inova, Medical Learning Institute PeerView, Medical Education Speakers Network, Miller Medical Communications, North American Center for CME, Physicians' Education Resource, Rockpointe, ScientiaCME, WebMD/Medscape. The abstract and poster of these results were presented at The Migraine Trust Virtual Symposium (MTIS), October 3-9, 2020.
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Affiliation(s)
| | - Juanzhi Fang
- Novartis Pharmaceuticals Corporation, East Hanover, NJ
| | | | | | - Pamela Vo
- Novartis Pharma AG, Basel, CH-4002, Switzerland
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25
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Hutchinson S, Silberstein SD, Blumenfeld AM, Lipton RB, Lu K, Yu SY, Severt L. Safety and efficacy of ubrogepant in participants with major cardiovascular risk factors in two single-attack phase 3 randomized trials: ACHIEVE I and II. Cephalalgia 2021; 41:979-990. [PMID: 33874756 DOI: 10.1177/03331024211000311] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To examine the safety and efficacy of ubrogepant for acute treatment of migraine across cardiovascular (CV) disease risk categories. METHODS ACHIEVE I and II were multicenter, double-blind, single-attack, phase 3 trials in adults with migraine, with or without aura. Participants were randomized 1:1:1 to placebo or ubrogepant (50 or 100 mg in ACHIEVE I; 25 or 50 mg in ACHIEVE II), to treat one migraine attack of moderate or severe headache pain intensity. This post-hoc analysis pooled data from ubrogepant 50 mg and placebo groups from the ACHIEVE trials to examine the safety and efficacy of ubrogepant by baseline cardiovascular disease risk factors. Using a cardiovascular risk assessment algorithm, participants were categorized as having no cardiovascular risk, low cardiovascular risk or moderate-high cardiovascular risk at baseline. Treatment-emergent adverse events were documented 48 h and 30 days after taking the trial medication. Co-primary efficacy outcomes were 2-h pain freedom and 2-h absence of most bothersome migraine-associated symptom. RESULTS Overall, 3358 participants were randomized in the ACHIEVE trials (n = 2901 safety population; n = 2682 modified intent-to-treat population). In the safety population, 11% of participants were categorized as moderate-high (n = 311), 32% low (n = 920), and 58% no cardiovascular risk factors (n = 1670). The proportion of ubrogepant participants reporting a treatment-emergent adverse event was comparable across risk categories and similar to placebo. The treatment effects of ubrogepant versus placebo were consistent across cardiovascular risk categories for all efficacy outcomes. CONCLUSION The safety and efficacy of ubrogepant for the acute treatment of a single migraine attack did not differ by the presence of major cardiovascular risk factors. No evidence of increased treatment-emergent adverse events or cardiac system organ class adverse events with ≥2 major cardiovascular risk factors and no safety concerns were identified.Trial Registration: ACHIEVE I ClinicalTrials.gov number, NCT02828020; ACHIEVE II ClinicalTrials.gov number, NCT02867709.
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26
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Characteristics of Adults with Migraine in Alberta, Canada: A Population-Based Study. Can J Neurol Sci 2021; 49:239-248. [PMID: 33845936 DOI: 10.1017/cjn.2021.68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Migraine, including episodic migraine (EM) and chronic migraine (CM), is a common neurological disorder that imparts a substantial health burden. OBJECTIVE Understand the characteristics and treatment of EM and CM from a population-based perspective. METHODS This retrospective population-based cross-sectional study utilized administrative data from Alberta. Among those with a migraine diagnostic code, CM and EM were identified by an algorithm and through exclusion, respectively; characteristics and migraine medication use were examined with descriptive statistics. RESULTS From 79,076 adults with a migraine diagnostic code, 12,700 met the criteria for CM and 54,686 were considered to have EM. The majority of migraineurs were female, the most common comorbidity was depression, and individuals with CM had more comorbidities than EM. A larger proportion of individuals with CM versus EM were dispensed acute (80.6%: CM; 63.4%: EM) and preventative (58.0%: CM; 28.9%: EM) migraine medications over 1 year. Among those with a dispensation, individuals with CM had more acute (13.6 ± 32.2 vs. 4.6 ± 10.9 [mean ± standard deviation], 95% confidence interval [CI] 7.7-8.3), and preventative (12.6 ± 43.5 vs. 5.0 ± 12.6, 95% CI 6.9-8.4) migraine medication dispensations than EM, over 1-year. Opioids were commonly used in both groups (proportion of individuals dispensed an opioid over 1-year: 53.1%: CM; 25.7%: EM). CONCLUSIONS Individuals with EM and CM displayed characteristics and medication use patterns consistent with other reports. Application of this algorithm for CM may be a useful and efficient means of identifying subgroups of migraine using routinely collected health data in Canada.
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27
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Rogers AH, Zvolensky MJ, Ditre JW, Buckner JD, Asmundson GJG. Association of opioid misuse with anxiety and depression: A systematic review of the literature. Clin Psychol Rev 2021; 84:101978. [PMID: 33515811 DOI: 10.1016/j.cpr.2021.101978] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 11/19/2020] [Accepted: 11/29/2020] [Indexed: 12/14/2022]
Abstract
The opioid epidemic is a public health problem associated with a host of negative outcomes. Although clinicians recognize covariation between opioid misuse with anxiety and depressive symptoms and disorders, research on this topic has only recently accumulated. Progress in this domain is impeded by the lack of systematic and integrative research to better understand and treat these co-occurring problems. This paper represents the first attempt to systematically review the empirical literature examining relations between opioid use and misuse, and anxiety and depression. In the first section, we define key terms and describe the article selection strategy. In the second section, we review the prevalence of anxiety and depressive symptoms among individuals who use and misuse prescription and illicit opioids. In the third section, we review the magnitude of associations between anxiety and depressive symptoms and disorders with opioid misuse, as well as highlight studies examining the longitudinal and temporal sequence of the relations between these variables. In the fourth section, we focus on experimental therapeutics, reviewing what is known about individual difference and transdiagnostic vulnerability factors for anxiety and depression that might contribute to opioid misuse and its symptoms. Finally, we discuss current knowledge gaps and present a heuristic model to guide future research.
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Affiliation(s)
- Andrew H Rogers
- Department of Psychology, University of Houston, Houston, TX, United States
| | - Michael J Zvolensky
- Department of Psychology, University of Houston, Houston, TX, United States; Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, United States; HEALTH Institute, University of Houston, Houston, TX, United States.
| | - Joseph W Ditre
- Department of Psychology, Syracuse University, Syracuse, NY, United States
| | - Julia D Buckner
- Department of Psychology, Louisiana State University, Baton Rouge, LA, United States
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28
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Shao Q, Rascati KL, Lawson KA, Wilson JP, Shah S, Garrett JS. Impact of emergency department opioid use on future health resource utilization among patients with migraine. Headache 2021; 61:287-299. [PMID: 33599982 DOI: 10.1111/head.14071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/18/2020] [Accepted: 01/05/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE The purpose of this study was to evaluate the subsequent health resource utilization (HRU) between patients with migraine who received opioid medications at their emergency department (ED) visits ("opioid recipients") versus patients with migraine who did not receive opioid medications at their ED visits ("non-recipients"). BACKGROUND Previous studies have found that opioid use is common among patients with migraine at emergency settings. Medication overuse, especially the use of opioids, is associated with migraine progression, which can ultimately lead to substantial health resource use and costs. There is limited evidence on opioid use specifically in emergency settings and its impact on future HRU among people with migraine. METHOD This retrospective cohort study used electronic health record data from the Baylor Scott & White Health between December 2013 and April 2017. Adult patients who had at least 6 months of continuous enrollment before (baseline or pre-index) and after (follow-up) the first date they had an ED visit with a diagnosis of migraine (defined as index date) were enrolled in the study. Opioid use and HRU during follow-up period between opioid recipients and non-recipients were summarized and compared. RESULTS A total of 788 patients met the eligibility criteria and were included in this study. During the 6-month follow-up period, compared to patients with migraine who were non-recipients at their index ED visits, opioid recipients had significantly more all-cause (3.6 [SD = 6.3] vs. 1.9 [SD = 4.8], p < 0.0001) and migraine-related (1.6 [SD = 4.2] vs. 0.6 [SD = 2.1], p < 0.0001) opioid prescriptions (RXs), and more all-cause (2.6 [SD = 4.3] vs. 1.6 [SD = 2.6], p = 0.002) and migraine-related (0.6 [SD = 1.4] vs. 0.3 [SD = 0.8], p = 0.001) ED visits. In addition, opioid recipients had higher risk of future migraine-related ED visits controlling for covariates (HR = 1.49, 95% CI = 1.09-2.03, p = 0.013). Factors that were significantly (p < 0.05) related to future migraine-related ED visits include previous opioid use (HR = 2.12, 95% CI = 1.24-3.65, p = 0.007), previous ED visits (HR = 2.38, 95% CI = 1.23-4.58, p = 0.010), hypertension (HR = 1.46, 95% CI = 1.07-2.00, p = 0.017), age between 45 and 64 years (HR = 0.68, 95% CI = 0.48-0.97, p = 0.033), female sex (HR = 1.82, 95% CI = 1.12-2.86, p = 0.015), and tobacco use disorder (HR = 1.45, 95% CI = 1.07-1.97, p = 0.017). Sub-analyses were restricted to the group of patients who were opioid naïve at baseline (n = 274, defined as having ≤1 opioid RXs during the 6-month pre-index period). Patients who were baseline opioid naïve but received opioids during their index ED visits were more likely to have future migraine-related ED visits compared to patients who were baseline opioid naïve and did not receive any opioids during their index ED visits, controlling for covariates (HR = 2.90, 95% CI = 1.54-5.46, p = 0.001). CONCLUSION Opioid use among patients with migraine presenting to the ED is associated with increased future HRU, which highlights the need for optimizing migraine management in emergency settings.
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Affiliation(s)
- Qiujun Shao
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Karen L Rascati
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Kenneth A Lawson
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - James P Wilson
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Sanket Shah
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - John S Garrett
- Department of Emergency Medicine, Baylor Scott & White Health, Dallas, TX, USA
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29
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Pressman AR, Buse DC, Jacobson AS, Vaidya SJ, Scott AB, Chia VM, Szekely CA, Stewart WF, Lipton RB. The migraine signature study: Methods and baseline results. Headache 2020; 61:462-484. [PMID: 33368248 PMCID: PMC8048806 DOI: 10.1111/head.14033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 10/17/2020] [Accepted: 10/28/2020] [Indexed: 01/13/2023]
Abstract
Objective To characterize patients who utilize services for migraine in a large integrated health care network, and describe patterns of care and utilization. Background Within health care systems, migraine is a common reason for seeking primary and neurology care, but relatively little is documented about who seeks care and the factors that explain variation in utilization. Methods We conducted a retrospective cohort study using electronic health record (EHR) data from Sutter Health primary care (PC) patients who had at least one office visit to a PC clinic between 2013 and 2017. Migraine status was ascertained from diagnosis codes and medication orders. Control status was assigned to those with no evidence of care for any type of headache. We divided the primary care migraine cohort into two groups: those who received all their care for migraine from PC (denoted PC‐M) and those who had ≥1 encounter with a neurologist for migraine (denoted N‐M). Migraine cases were also designated as having preexisting migraine if they had an encounter with a migraine diagnosis within (±) 6 months of their first study period PC visit and, otherwise, designated as first migraine consult. Two levels of contrasts included: patients with migraine and controls; and within the group of patients with migraine, PC‐M and N‐M groups. Comorbid conditions were determined from EHR encounter diagnosis codes. Results We identified 94,149 patients with migraine (including 21,525 N‐M and 72,624 PC‐M) and 1,248,763 controls. Comorbidities: Proportions of psychiatric [29.8% (n = 28,054) vs. 11.8% (n = 147,043)], autoimmune [(4.4% (n = 4162) vs. 2.6% (n = 31,981)], pain [13.2% (n = 12,439) vs. 5.8% (n = 72,049)], respiratory [24.6% (n = 23,186) vs. 12.3% (n = 153,692)], neurologic [2.9% (n = 2688) vs. 0.9% (n = 11,321)], and cerebrovascular [1.0% (n = 945) vs. 0.6% (n = 7500)] conditions were higher in the migraine group compared to controls, all p < 0.001. Among patients with migraine, the N‐M group was similar to the PC‐M group in sex, age, ethnicity, and marital status, but were more likely to have preexisting migraine (49.9% (n = 10,734) vs. 36.2% (n = 26,317), p < 0.001). Proportions of comorbid conditions were higher among the N‐M group than the PC‐M group {psychiatric [38.5% (n = 8291) vs. 27.2% (n = 19,763)], autoimmune [6.3% (n = 1365) vs. 3.9% (n = 2797)], pain [19.6% (n = 4218) vs. 11.3% (n = 8211)], respiratory [30.3% (n = 6516) vs. 23.0% (n = 16,670)], neurologic [6.0% (n = 1288) vs. 1.9% (n = 1400)], cardiovascular [9.7% (n = 2091) vs. 7.0% (n = 5076)], and cerebrovascular [2.3% (n = 500) vs. 0.6% (n = 445)], all p < 0.001}. Medications: During the study period, 82.6% (n = 77,762) of patients with migraine received ≥1 prescription order for an acute migraine medication [89.4% (n = 19,250) of N‐M vs. 80.6% (n = 58,512) of PC]. Opioids were prescribed to 52.9% (n = 49,837) of patients with migraine [63.5% (n = 13,669) for N‐M and 49.8% (n = 36,168) for PC‐M patients). During the study period, 61.4% (n = 57,810) of patients received ≥1 prescription for a migraine preventive medication [81.4% (n = 17,521) of N‐M and 55.5% (n = 40,289) of PC‐M patients]. The most commonly prescribed classes of preventive medications were antidepressants. Conclusions Among patients with migraine in a large health system, those who were also cared for in neurology were more likely to receive both acute and preventive medication migraine orders than those patients who did not see a neurologist, with triptans and antidepressants the most commonly prescribed classes of acute and preventive pharmacotherapies, respectively. Opioids were prescribed to approximately half of the total sample and more common in the N‐M group. Adjusting for demographics, patients with migraine had higher rates of nearly every comorbidity we assessed and were more likely to utilize services compared to those without migraine. Overall, patients with migraine also cared for in neurology practices used more of all health care resource types under consideration and had more medical issues, which may be due in some part to a more severe, frequent and disabling disease state compared to those who sought care exclusively from PC practices.
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Affiliation(s)
- Alice R Pressman
- Center for Health Systems Research, Sutter Health, Walnut Creek, CA, USA
| | - Dawn C Buse
- Montefiore Headache Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Alice S Jacobson
- Center for Health Systems Research, Sutter Health, Walnut Creek, CA, USA
| | - Shruti J Vaidya
- Center for Health Systems Research, Sutter Health, Walnut Creek, CA, USA
| | - Alexandra B Scott
- Center for Health Systems Research, Sutter Health, Walnut Creek, CA, USA
| | - Victoria M Chia
- Center for Observational Research, Amgen, Thousand Oaks, CA, USA
| | | | | | - Richard B Lipton
- Montefiore Headache Center, Albert Einstein College of Medicine, Bronx, NY, USA
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Lipton RB, Buse DC, Dodick DW, Schwedt TJ, Singh P, Munjal S, Fanning K, Bostic Bs R, Reed ML. Burden of increasing opioid use in the treatment of migraine: Results from the Migraine in America Symptoms and Treatment Study. Headache 2020; 61:103-116. [PMID: 33326608 DOI: 10.1111/head.14018] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 10/19/2020] [Accepted: 10/20/2020] [Indexed: 01/03/2023]
Abstract
OBJECTIVE We sought to assess factors associated with the frequency of self-reported prescription opioid use in persons with migraine, including demographic variables, comorbidities, headache characteristics, and patterns of consultation. BACKGROUND Despite the dose-dependent effect of opioids on migraine progression and the association with negative outcomes, migraine treatment often includes opioids. The Migraine in America Symptoms and Treatment Study focuses on individuals with migraine who receive prescription acute medications, including those receiving and those not receiving opioids. METHODS This web-based panel survey identified people in the United States with migraine using a validated screener. This analysis stratified people with migraine into 4 groups based on days of monthly opioid use: non-opioid users, ≤3 days, 4-9 days, and ≥10 days per month. RESULTS Of 15,133 respondents with migraine, 4701 (31%) reported acute prescription medication use for headache/migraine in the previous 3 months (mean age 45 years, 71.6% [3367/4701] female), of whom 32.5% (1528/4701) reported opioid use. About one-third of respondents with primary care or neurology consults in the prior 6 months reported receiving an opioid, and more than half of respondents (209/391, 53.5%) with a pain clinic consultation did so. Models compared those using opioids ≤3 days/month (879/4701, 18.7%), 4-9 days/month (304/4701, 6.5%), ≥10 days/month (345/4701, 7.3%) to non-opioid users (3173/4701, 67.5%). Compared to non-opioid users, infrequent users (≤3 days/month) were more likely to be male and less likely to have chronic migraine or to screen positive for anxiety and depression; and frequent opioid users (the 4-9 days/month and the ≥10 days/month groups) were more likely to be male, to smoke, to be obese, to report greater pain interference, to have moderate to severe disability, to have symptoms of anxiety and depression, to use fewer triptans and nonsteroidal anti-inflammatory drugs, and to have poor acute treatment optimization. CONCLUSION Among prescription medication users, this cross-sectional analysis shows that increasing use of prescription opioids is associated with male gender, chronic migraine, more severe disability, anxiety and depression, poor acute treatment optimization, and treatment in a pain clinic.
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Affiliation(s)
- Richard B Lipton
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Neurology and the Montefiore Headache Center, Montefiore Medical Center, Bronx, NY, USA
| | - Dawn C Buse
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | | | | | | | - Kristina Fanning
- Department of Clinical Research, Vedanta Research, Chapel Hill, NC, USA
| | - Ryan Bostic Bs
- Department of Clinical Research, Vedanta Research, Chapel Hill, NC, USA
| | - Michael L Reed
- Department of Clinical Research, Vedanta Research, Chapel Hill, NC, USA
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Dripps IJ, Bertels Z, Moye LS, Tipton AF, Siegersma K, Baca SM, Kieffer BL, Pradhan AA. Forebrain delta opioid receptors regulate the response of delta agonist in models of migraine and opioid-induced hyperalgesia. Sci Rep 2020; 10:17629. [PMID: 33077757 PMCID: PMC7573615 DOI: 10.1038/s41598-020-74605-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022] Open
Abstract
Delta opioid receptor (DOR) agonists have been identified as a promising novel therapy for headache disorders. DORs are broadly expressed in several peripheral and central regions important for pain processing and mood regulation; and it is unclear which receptors regulate headache associated symptoms. In a model of chronic migraine-associated pain using the human migraine trigger, nitroglycerin, we observed increased expression of DOR in cortex, hippocampus, and striatum; suggesting a role for these forebrain regions in the regulation of migraine. To test this hypothesis, we used conditional knockout mice with DORs deleted from forebrain GABAergic neurons (Dlx-DOR), and investigated the outcome of this knockout on the effectiveness of the DOR agonist SNC80 in multiple headache models. In DOR loxP controls SNC80 blocked the development of acute and chronic cephalic allodynia in the chronic nitroglycerin model, an effect that was lost in Dlx-DOR mice. In addition, the anti-allodynic effects of SNC80 were lost in a model of opioid induced hyperalgesia/medication overuse headache in Dlx-DOR conditional knockouts. In a model reflecting negative affect associated with migraine, SNC80 was only effective in loxP controls and not Dlx-DOR mice. Similarly, SNC80 was ineffective in the cortical spreading depression model of migraine aura in conditional knockout mice. Taken together, these data indicate that forebrain DORs are necessary for the action of DOR agonists in relieving headache-related symptoms and suggest that forebrain regions may play an important role in migraine modulation.
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MESH Headings
- Analgesics, Opioid/pharmacology
- Analgesics, Opioid/therapeutic use
- Animals
- Benzamides/pharmacology
- Benzamides/therapeutic use
- Cortical Spreading Depression/drug effects
- Cortical Spreading Depression/physiology
- Disease Models, Animal
- GABAergic Neurons/drug effects
- GABAergic Neurons/metabolism
- Hyperalgesia/chemically induced
- Hyperalgesia/drug therapy
- Hyperalgesia/metabolism
- Mice
- Mice, Knockout
- Migraine Disorders/chemically induced
- Migraine Disorders/drug therapy
- Migraine Disorders/metabolism
- Nitroglycerin
- Piperazines/pharmacology
- Piperazines/therapeutic use
- Prosencephalon/drug effects
- Prosencephalon/metabolism
- Receptors, Opioid, delta/agonists
- Receptors, Opioid, delta/genetics
- Receptors, Opioid, delta/metabolism
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Affiliation(s)
- Isaac J Dripps
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA
| | - Zachariah Bertels
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA
| | - Laura S Moye
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA
| | - Alycia F Tipton
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA
| | - Kendra Siegersma
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA
| | - Serapio M Baca
- Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, USA
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Brigitte L Kieffer
- Department of Psychiatry, Douglas Mental Health University Institute, McGill University, Montreal, Canada
| | - Amynah A Pradhan
- Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Street (MC 912), Chicago, IL, 60612, USA.
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Platzbecker K, Timm FP, Ashina S, Houle TT, Eikermann M. Migraine treatment and the risk of postoperative, pain-related hospital readmissions in migraine patients. Cephalalgia 2020; 40:1622-1632. [PMID: 32838537 DOI: 10.1177/0333102420949857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Migraine treatment may mitigate migraine and associated pain in the perioperative period. OBJECTIVE The aim of the study was to estimate the effect of perioperative acute and prophylactic migraine treatment on the risk of postoperative 30-day hospital readmission with an admitting diagnosis specifying any pain complaints among migraine patients. DESIGN Electronic health records were analysed for 21,932 adult migraine patients undergoing surgery between 2005 and 2017 at Beth Israel Deaconess Medical Center and Massachusetts General Hospital in Boston, Massachusetts, USA. METHODS Perioperative abortive migraine treatment was defined as guideline-recommended medication (triptan, ergotamine, acetaminophen, nonsteroidal anti-inflammatory drug) prescription after surgery, within 30 days after discharge and prior readmission. Perioperatively continued prophylactic migraine treatment was defined as prescription both prior to surgery and perioperatively for recommended medications (beta-blockers, antidepressants, antiepileptics, onabotulinumtoxin A). RESULTS Overall, 10,921 (49.8%) patients received a prescription for abortive migraine drugs. Of these, 1.2% and 1.5% of patients with and without such prescription were readmitted for pain, respectively. Patients with abortive treatment had lower odds of pain-related readmission (adjusted odds ratio 0.63 [95% confidence interval 0.49-0.81]). Prophylactic migraine treatment showed no effect on pain-related readmission independently of acute treatment (adjusted odds ratio 0.97 [95% confidence interval 0.72-1.32]). CONCLUSIONS Migraine patients undergoing surgery with a perioperative prescription for abortive migraine drugs were at decreased risk of pain-related hospital readmission.
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Affiliation(s)
- Katharina Platzbecker
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Fanny P Timm
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Sait Ashina
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA.,Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA.,Comprehensive Headache Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Timothy T Houle
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Matthias Eikermann
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA.,Clinic for Anesthesiology and Intensive Care, Essen University Hospital, Essen, Germany
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Shao Q, Rascati KL, Lawson KA, Wilson JP. Patterns and predictors of opioid use among migraine patients at emergency departments: A retrospective database analysis. Cephalalgia 2020; 40:1489-1501. [DOI: 10.1177/0333102420946710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Objectives To compare medication use and health resource utilization between migraineurs with evidence of opioid use at emergency department visit versus no opioid use at emergency department visit, and to examine predictors of opioid use among migraineurs at emergency department visits. Methods This was a retrospective study using REACHnet electronic health records (December 2013 to April 2017) from Baylor Scott & White Health Plan. The index date was defined as the first migraine-related emergency department visit after ≥6 months of enrollment. Adult patients with a migraine diagnosis and ≥6 months of continuous enrollment before and after their index dates were included. Descriptive statistics and bivariate analyses were used to compare medication use and health resource utilization between opioid users and non-opioid users. Multivariable logistic regression was used to examine predictors of opioid use at emergency department visits. Results A total of 788 migraineurs met eligibility criteria. Over one-third (n = 283, 35.9%) received ≥1 opioid medication during their index date emergency department visit. Morphine (n = 103, 13.1%) and hydromorphone (n = 85, 10.8%) were the most frequently used opioids. Opioid users had more hospitalizations and emergency department visits during their pre-index period (both p < 0.05). Significant ( p < 0.05) predictors of opioid use at emergency department visits included past migraine-related opioid use (2–4 prescriptions, Odds Ratio = 1.66; 5–9 prescriptions, Odds Ratio = 2.12; ≥10 prescriptions, Odds Ratio = 4.43), past non-migraine-related opioid use (≥10 prescriptions, Odds Ratio = 1.93), past emergency department visits (1–3 visits, Odds Ratio = 1.84), age (45–64 years, Odds Ratio = 1.45), and sleep disorder (Odds Ratio = 1.43), controlling for covariates. Conclusion Opioids were commonly given to migraineurs at emergency departments. Previous opioid use, health resource utilization, age, and specific comorbidities might be used to identify migraineurs with a high risk of opioid use.
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Affiliation(s)
- Qiujun Shao
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Karen L Rascati
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - Kenneth A Lawson
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
| | - James P Wilson
- College of Pharmacy, The University of Texas at Austin, Austin, TX, USA
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The Relationship between Cognitive and Emotional Factors and Healthcare and Medication Use in People Experiencing Pain: A Systematic Review. J Clin Med 2020; 9:jcm9082486. [PMID: 32756298 PMCID: PMC7464293 DOI: 10.3390/jcm9082486] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/07/2020] [Accepted: 07/18/2020] [Indexed: 12/12/2022] Open
Abstract
Pain conditions are among the leading causes of global disability, impacting on global healthcare utilization (HCU). Health seeking behavior might be influenced by cognitive and emotional factors (CEF), which can be tackled by specific therapies. The purpose of this study was to systematically review the evidence concerning associations between CEF and HCU in people experiencing pain. Three databases were consulted: PubMed, Web of Science and EconLit. Risk of bias was assessed using the Downs and Black Checklist (modified). A total of 90 publications (total sample n = 59,719) was included after double-blind screening. In people experiencing pain, positive associations between general anxiety symptoms, depressive symptoms and catastrophizing and pain medication use were found. Additionally, there appears to be a relationship between general anxiety and depressive symptoms and opioid use. Symptom-related anxiety and psychological distress were found to be positively related with consulting behavior. Last, a positive association between use of complementary and alternative medicine and level of perceived symptom control was confirmed in people with pain. For other relationships no evidence or inconsistent findings were found, or they were insufficiently studied to draw firm conclusions, indicating that more research on this topic is needed.
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35
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Parker KE, Sugiarto E, Taylor AMW, Pradhan AA, Al-Hasani R. Pain, Motivation, Migraine, and the Microbiome: New Frontiers for Opioid Systems and Disease. Mol Pharmacol 2020; 98:433-444. [PMID: 32958571 DOI: 10.1124/mol.120.119438] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 07/10/2020] [Indexed: 12/17/2022] Open
Abstract
For decades the broad role of opioids in addiction, neuropsychiatric disorders, and pain states has been somewhat well established. However, in recent years, with the rise of technological advances, not only is the existing dogma being challenged, but we are identifying new disease areas in which opioids play a critical role. This review highlights four new areas of exploration in the opioid field. The most recent addition to the opioid family, the nociceptin receptor system, shows promise as the missing link in understanding the neurocircuitry of motivation. It is well known that activation of the kappa opioid receptor system modulates negative affect and dysphoria, but recent studies now implicate the kappa opioid system in the modulation of negative affect associated with pain. Opioids are critical in pain management; however, the often-forgotten delta opioid receptor system has been identified as a novel therapeutic target for headache disorders and migraine. Lastly, changes to the gut microbiome have been shown to directly contribute to many of the symptoms of chronic opioid use and opioid related behaviors. This review summarizes the findings from each of these areas with an emphasis on identifying new therapeutic targets. SIGNIFICANCE STATEMENT: The focus of this minireview is to highlight new disease areas or new aspects of disease in which opioids have been implicated; this includes pain, motivation, migraine, and the microbiome. In some cases, this has resulted in the pursuit of a novel therapeutic target and resultant clinical trial. We believe this is very timely and will be a refreshing take on reading about opioids and disease.
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Affiliation(s)
- Kyle E Parker
- Department of Anesthesiology and Washington University Pain Center, Washington University in St. Louis, Missouri (K.E.P, R.A.-H.); Center for Clinical Pharmacology, Washington University School of Medicine, St. Louis, Missouri (K.E.P., R.A.-H.); Department of Pharmacology, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois (A.A.P.); and St. Louis College of Pharmacy, St. Louis, Missouri (R.A.-H.)
| | - Elizabeth Sugiarto
- Department of Anesthesiology and Washington University Pain Center, Washington University in St. Louis, Missouri (K.E.P, R.A.-H.); Center for Clinical Pharmacology, Washington University School of Medicine, St. Louis, Missouri (K.E.P., R.A.-H.); Department of Pharmacology, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois (A.A.P.); and St. Louis College of Pharmacy, St. Louis, Missouri (R.A.-H.)
| | - Anna M W Taylor
- Department of Anesthesiology and Washington University Pain Center, Washington University in St. Louis, Missouri (K.E.P, R.A.-H.); Center for Clinical Pharmacology, Washington University School of Medicine, St. Louis, Missouri (K.E.P., R.A.-H.); Department of Pharmacology, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois (A.A.P.); and St. Louis College of Pharmacy, St. Louis, Missouri (R.A.-H.)
| | - Amynah A Pradhan
- Department of Anesthesiology and Washington University Pain Center, Washington University in St. Louis, Missouri (K.E.P, R.A.-H.); Center for Clinical Pharmacology, Washington University School of Medicine, St. Louis, Missouri (K.E.P., R.A.-H.); Department of Pharmacology, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois (A.A.P.); and St. Louis College of Pharmacy, St. Louis, Missouri (R.A.-H.)
| | - Ream Al-Hasani
- Department of Anesthesiology and Washington University Pain Center, Washington University in St. Louis, Missouri (K.E.P, R.A.-H.); Center for Clinical Pharmacology, Washington University School of Medicine, St. Louis, Missouri (K.E.P., R.A.-H.); Department of Pharmacology, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada (E.S., A.M.W.T.); Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois (A.A.P.); and St. Louis College of Pharmacy, St. Louis, Missouri (R.A.-H.)
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Lipton RB, Buse DC, Friedman BW, Feder L, Adams AM, Fanning KM, Reed ML, Schwedt TJ. Characterizing opioid use in a US population with migraine: Results from the CaMEO study. Neurology 2020; 95:e457-e468. [PMID: 32527971 PMCID: PMC7455347 DOI: 10.1212/wnl.0000000000009324] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 11/07/2019] [Indexed: 01/20/2023] Open
Abstract
Objective To determine the prevalence of and risk factors associated with opioid use in the treatment of migraine, we examined demographics and clinical characteristics of 867 individuals who reported using opioids for the treatment of migraine. Methods We analyzed data from the CaMEO study (Chronic Migraine Epidemiology and Outcomes), a cross-sectional, longitudinal, Internet study, to compare sociodemographics, clinical characteristics, and migraine burden/disability of opioid users vs nonusers. Covariates were entered as categorical or continuous variables. Factors associated with opioid use were identified using nested, multivariable binary logistic regression models. Results Of 2,388 respondents with migraine using prescription medications for acute treatment, 36.3% reported that they currently used or kept on hand opioid medications to treat headaches. Current opioid users had significantly more comorbidities, greater headache-related burden, and poorer quality of life than nonusers. Regression models revealed factors significantly associated with opioid use, including male sex, body mass index, allodynia, increasing monthly headache frequency, Total Pain Index score (excluding head, face, neck/shoulder), anxiety, depression, ≥1 cardiovascular comorbidity, and emergency department/urgent care use for headache in the past 6 months. Self-reported physician-diagnosed migraine/chronic migraine was associated with significantly decreased likelihood of opioid use. Conclusions Of respondents who were using acute prescription medications for migraine, more than one-third used or kept opioids on hand, contrary to guidance. This analysis could not distinguish risk factors from consequences of opioid use; thus further research is needed to guide the development of strategies for reducing the inappropriate use of opioids in migraine.
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Affiliation(s)
- Richard B Lipton
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ.
| | - Dawn C Buse
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Benjamin W Friedman
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Lisa Feder
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Aubrey Manack Adams
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Kristina M Fanning
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Michael L Reed
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
| | - Todd J Schwedt
- From the Department of Neurology (R.B.L., D.C.B., B.W.F.), Albert Einstein College of Medicine, Bronx, NY; Peloton Advantage, LLC, an OPEN Health Company (L.F.), Parsippany, NJ; Global Medical Affairs (A.M.A.), Allergan plc, Irvine, CA; Vedanta Research (K.M.F., M.L.R.), Chapel Hill, NC; and Neurology Research (T.J.S.), Mayo Clinic, Phoenix, AZ
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Yu S, Zhang Y, Yao Y, Cao H. Migraine treatment and healthcare costs: retrospective analysis of the China Health Insurance Research Association (CHIRA) database. J Headache Pain 2020; 21:53. [PMID: 32404048 PMCID: PMC7222520 DOI: 10.1186/s10194-020-01117-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
Background Adult migraine remains underdiagnosed and undertreated, despite significant negative effects on physical and emotional functioning. Information on prescribing patterns and treatment costs of migraine in China is limited. Methods This retrospective analysis of the China Health Insurance Research Association (CHIRA) medical insurance claims database in 2016 to 2017 evaluated treatment patterns, direct medical costs, and healthcare resource utilization among adults with migraine in mainland China. Results Of 108,375 patients with headache-related outpatient visits, 10,652 were adults with migraine (mean age 51.4 years, 55.4% female). Common comorbidities were major depressive disorder (4.1%), insomnia (3.8%), and anxiety (2.3%). Migraine patients were prescribed acute medication (26.4%), preventive medication (15.0%), and Chinese patent and herbal medicines (24.5% and 11.7%, respectively). Of patients prescribed acute medication, 68.8% received non-aspirin non-steroidal anti-inflammatory drugs (NSAIDs), 7.1% received opioids, while only 3.3% received triptans. Mean annual outpatient costs per patient were 46.5 United States dollars (USD), with mean (standard deviation) 1.8 (2.0) outpatient visits per year. Medication costs for traditional Chinese medicine (22.4 USD per patient) were higher than for Western medicine (13.5 USD). Conclusion Among migraine patients in China, NSAIDs were commonly prescribed as acute medication, while utilization of migraine-specific triptans and preventive medications was low.
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Affiliation(s)
- Shengyuan Yu
- Department of Neurology, Chinese PLA General Hospital, Beijing, China
| | - Yanlei Zhang
- Lilly Suzhou Pharmaceutical Co., Ltd. Shanghai Branch, 19F, Centre T1, HKRI Taikoo, No. 288, Shimen No.1 Road, Shanghai, 200021, China.
| | - Yuan Yao
- Lilly Suzhou Pharmaceutical Co., Ltd. Shanghai Branch, 19F, Centre T1, HKRI Taikoo, No. 288, Shimen No.1 Road, Shanghai, 200021, China
| | - Haijun Cao
- Lilly Suzhou Pharmaceutical Co., Ltd. Shanghai Branch, 19F, Centre T1, HKRI Taikoo, No. 288, Shimen No.1 Road, Shanghai, 200021, China
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Abstract
All patients with migraine merit acute treatment, which should optimally achieve a sustained pain-free response. Maximum acute treatment is associated with reduced risk of transformation of episodic to chronic migraine. The American Headache Society published the most recent complete evidence assessment of acute migraine treatments in 2015. Noninvasive neuromodulation represents a new, Food and Drug Administration-approved nonsignificant risk alternative for acute migraine therapy. The future of acute migraine treatment includes new devices and formulations of existing medications, new classes of acute medications, and new noninvasive nonsignificant risk neuromodulation devices, with many anticipated in the next few years.
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Berthiaume S, Abdallah K, Blais V, Gendron L. Alleviating pain with delta opioid receptor agonists: evidence from experimental models. J Neural Transm (Vienna) 2020; 127:661-672. [PMID: 32189076 DOI: 10.1007/s00702-020-02172-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/06/2020] [Indexed: 12/11/2022]
Abstract
The use of opioids for the relief of pain and headache disorders has been studied for years. Nowadays, particularly because of its ability to produce analgesia in various pain models, delta opioid receptor (DOPr) emerges as a promising target for the development of new pain therapies. Indeed, their potential to avoid the unwanted effects commonly observed with clinically used opioids acting at the mu opioid receptor (MOPr) suggests that DOPr agonists could be a therapeutic option. In this review, we discuss the use of opioids in the management of pain in addition to describing the evidence of the analgesic potency of DOPr agonists in animal models.
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Affiliation(s)
- Sophie Berthiaume
- Département de Pharmacologie-Physiologie, Institut de Pharmacologie de Sherbrooke, Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3001, 12th Avenue North, Sherbrooke, QC, J1H 5N4, Canada
| | - Khaled Abdallah
- Département de Pharmacologie-Physiologie, Institut de Pharmacologie de Sherbrooke, Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3001, 12th Avenue North, Sherbrooke, QC, J1H 5N4, Canada
| | - Véronique Blais
- Département de Pharmacologie-Physiologie, Institut de Pharmacologie de Sherbrooke, Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3001, 12th Avenue North, Sherbrooke, QC, J1H 5N4, Canada
| | - Louis Gendron
- Département de Pharmacologie-Physiologie, Institut de Pharmacologie de Sherbrooke, Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3001, 12th Avenue North, Sherbrooke, QC, J1H 5N4, Canada.
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Salazar A, Moreno S, De Sola H, Moral-Munoz JA, Dueñas M, Failde I. The evolution of opioid-related mortality and potential years of life lost in Spain from 2008 to 2017: differences between Spain and the United States. Curr Med Res Opin 2020; 36:285-291. [PMID: 31635485 DOI: 10.1080/03007995.2019.1684251] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Objective: To investigate the evolution of opioid-related mortality and potential years of life lost in Spanish general population from 2008 to 2017. To evaluate the differences between Spain and the US.Methods: A descriptive study using retrospective annual data from 2008 to 2017 in Spanish and US general population. Information on the population and opioid-related deaths stratified by age and sex was obtained from Spanish National Statistics Institute and the Centers for Disease Control and Prevention (CDC) WONDER Multiple Cause of Death Database, according to the ICD-10 codes. Years of life lost, crude and standardized mortality rates are reported and compared with the results in US.Results: Crude rate of opioid-related deaths per 105 inhabitants has changed from 1.68 in 2008 to 2.25 in 2017 in Spain, with around 30,000 years of life lost per year. The most affected groups were middle-aged men and women over 65, and the main cause of death was accidental poisoning. The standardized rates per 105 inhabitants across the years were between 1.19 and 1.62 in Spain and between 11.17 and 20.68 in the US population.Conclusions: An opioid overuse crisis does not seem a likely scenario in Spain. However, it is a social problem that requires special health surveillance, particularly in middle-aged men and women over 65.
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Affiliation(s)
- Alejandro Salazar
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Cádiz, Spain
- The Observatory of Pain Department, University of Cádiz, Cádiz, Spain
- Department of Statistics and Operational Research, University of Cádiz, Cádiz, Spain
| | - Soledad Moreno
- Department of Mathematics, University of Cádiz, Cádiz, Spain
| | - Helena De Sola
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Cádiz, Spain
- The Observatory of Pain Department, University of Cádiz, Cádiz, Spain
- Preventive Medicine and Public Health Area, University of Cádiz, Cádiz, Spain
| | - Jose Antonio Moral-Munoz
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Cádiz, Spain
- The Observatory of Pain Department, University of Cádiz, Cádiz, Spain
- Department of Nursing and Physiotherapy, University of Cádiz, Cádiz, Spain
| | - María Dueñas
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Cádiz, Spain
- The Observatory of Pain Department, University of Cádiz, Cádiz, Spain
- Department of Statistics and Operational Research, University of Cádiz, Cádiz, Spain
| | - Inmaculada Failde
- Biomedical Research and Innovation Institute of Cádiz (INiBICA), Cádiz, Spain
- The Observatory of Pain Department, University of Cádiz, Cádiz, Spain
- Preventive Medicine and Public Health Area, University of Cádiz, Cádiz, Spain
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Jarvis JL, Johnson B, Crowe RP. Out-of-hospital assessment and treatment of adults with atraumatic headache. J Am Coll Emerg Physicians Open 2020; 1:17-23. [PMID: 33000009 PMCID: PMC7493518 DOI: 10.1002/emp2.12006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/08/2019] [Accepted: 11/25/2019] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE Little is known about the presentation or management of patients with headache in the out-of-hospital setting. Our primary objective is to describe the out-of-hospital assessment and treatment of adults with benign headache. We also describe meaningful pain reduction stratified by commonly administered medications. METHODS This retrospective evaluation was conducted using data from a large national cohort. We included all 911 responses by paramedics for patients 18 and older with headache. We excluded patients with trauma, fever, suspected alcohol/drug use, or who received medications suggestive of an alternate condition. We presented our findings with descriptive statistics. RESULTS Of the 5,977,612 emergency responses, 1.1% (66,235) had a provider-documented primary impression of headache or migraine and 52.5% (34,763) met inclusion criteria. An initial pain score was recorded for 73.5% (25,544) of patients, and 58.5% (14,948) of these patients had multiple pain scores documented. Of the patients with multiple pain scores documented, 53.8% (8037) of patients had an initial pain score >5. Of these, 7.1% (573) were administered any medication. Among patients receiving a single medication, Fentanyl was the most commonly administered (32.1%, 126). As a group, opioids were the most commonly administered class of drugs (38.9%, 153) and were associated with the largest proportion of clinically significant pain reduction (69.3%, 106). Dopamine antagonists were given least frequently (9.9%, 39) but had the second largest proportion of pain reduction (43.6%, 17). CONCLUSION Out-of-hospital pain scores were documented infrequently and less than one in five patients with initial pain scores >5 received medication. Additionally, adherence to evidence-based guidelines was infrequent.
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Affiliation(s)
- Jeffrey L. Jarvis
- Williamson County EMSGeorgetownTexasUSA
- Department of Emergency MedicineBaylor Scott & White HealthcareTempleTexasUSA
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Begasse de Dhaem O, Burch R, Rosen N, Shubin Stein K, Loder E, Shapiro RE. Workforce Gap Analysis in the Field of Headache Medicine in the United States. Headache 2020; 60:478-481. [DOI: 10.1111/head.13752] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 01/07/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Olivia Begasse de Dhaem
- Division of Headache Department of Neurology John R. Graham Headache Center Brigham and Women’s Hospital Harvard Medical School Boston MA USA
| | - Rebecca Burch
- Division of Headache Department of Neurology Brigham and Women’s Hospital Harvard Medical School Boston MA USA
| | - Noah Rosen
- Department of Neurology Zucker School of Medicine Northwell Health Hempstead NY USA
| | | | - Elizabeth Loder
- Division of Headache Department of Neurology Brigham and Women’s Hospital Harvard Medical School Boston MA USA
| | - Robert E. Shapiro
- Department of Neurological Sciences Division of Headache Medicine Larner College of Medicine University of Vermont Burlington VT USA
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Ankrom W, Bondiskey P, Li CC, Palcza J, Liu W, Dockendorf MF, Matthews C, Panebianco D, Reynders T, Wagner JA, Jakate A, Mesens S, Kraft WK, Marcantonio EE. Ubrogepant Is Not Associated With Clinically Meaningful Elevations of Alanine Aminotransferase in Healthy Adult Males. Clin Transl Sci 2020; 13:462-472. [PMID: 31899602 PMCID: PMC7214647 DOI: 10.1111/cts.12728] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 10/20/2019] [Indexed: 11/28/2022] Open
Abstract
Ubrogepant is a novel, oral calcitonin gene-related peptide (CGRP) receptor antagonist intended for the acute treatment of migraine attacks. Ubrogepant has a chemical structure distinct from previous small-molecule CGRP receptor antagonists that were associated with elevated serum alanine aminotransferase (ALT) in clinical trials. Here, we report overall and hepatic safety data from two placebo-controlled phase I trials of ubrogepant, spray-dried oral compressed tablet (SD-OCT) in healthy male volunteers. Trial A was a pharmacokinetic (PK) trial of single (100-400 mg) and multiple (40-400 mg) ascending doses. Trial B was a dedicated hepatic safety trial assessing daily use of ubrogepant 150 mg for 28 days. Serum ALT (as hepatotoxicity biomarker) and PK data are reported. Ubrogepant was well-tolerated in both trials, with a low incidence of adverse events that did not differ greatly from placebo. Changes in mean ALT levels were minimal and similar to placebo. Over 28 days of treatment, the mean percentage change in ALT from baseline was < 5% at all time points. No participant in either trial demonstrated ALT ≥ 3× upper limit of normal at any time. Ubrogepant SD-OCT demonstrated linear PK appropriate for acute treatment of migraine, with rapid uptake (time of maximum plasma concentration (tmax ): 2-3 hours) and no accumulation with daily use. Overall, there was no evidence of ubrogepant-associated hepatotoxicity with daily doses up to 400 mg for 10 days or with daily ubrogepant 150 mg for 28 days. Supratherapeutic dosing is a useful strategy for characterizing hepatic safety in early drug development.
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Affiliation(s)
- Wendy Ankrom
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Phung Bondiskey
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Chi-Chung Li
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - John Palcza
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Wen Liu
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Marissa F Dockendorf
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Catherine Matthews
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | - Deborah Panebianco
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | | | - John A Wagner
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
| | | | | | - Walter K Kraft
- Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Eugene E Marcantonio
- Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, New Jersey, USA
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Ford JH, Schroeder K, Buse DC, Joshi S, Gelwicks S, Foster SA, Aurora SK. Predicting initiation of preventive migraine medications: exploratory study in a large U.S. medical claims database. Curr Med Res Opin 2020; 36:51-61. [PMID: 31422701 DOI: 10.1080/03007995.2019.1657716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Objective: Despite guidelines that identify potential patients eligible for preventive migraine medications, their underutilization leaves patients at risk of acute medication overuse, disease progression, and higher healthcare resource utilization and disability. This exploratory, retrospective, observational study aimed to identify which factors predict preventive migraine medication initiation. Demographics and initiation of acute medication use were hypothesized to be predictive of initiation of preventive migraine medication.Methods: The Truven Health Analytics MarketScan1 U.S. Commercial and Medicare Supplemental claims database (2011-2013) was used to identify adults newly diagnosed with migraine. Patients were divided into 2 subgroups: initiated a preventive migraine medication (antidepressants, anti-epileptics, beta-blockers, or neurotoxins) within 1 year of migraine diagnosis and did not initiate a preventive migraine medication. Logistic regression models were constructed to identify factors associated with preventive migraine medication initiation.Results: Study population included 147,923 patients: 43,660 preventive migraine medication initiators and 104,263 non-preventive migraine medication patients. Best-fit model for predicting preventive migraine medication initiation included: female gender (odds ratio = 1.181 [95% CI = 1.144,1.218]; measured at date of first migraine diagnosis); headache diagnosis prior to migraine diagnosis (odds ratio = 1.538 [95% CI = 1.498,1.579]; measured 1-year before first migraine diagnosis); and sleep disorder (odds ratio = 1.206 [95% CI = 1.161,1.252]), headache/migraine-specific Emergency Department (ED) visit (odds ratio = 1.224 [95% CI = 1.168,1.283]), neurologist visit (odds ratio = 1.502 [95% CI = 1.459,1.547]), and acute medication refills with <90-day gap (odds ratio = 1.509 [95% CI = 1.470,1.549]) each measured at 1-year before first preventive migraine medication.Conclusions: In addition to consistent acute medication refills, specific comorbidity diagnoses, headache/migraine-specific ED utilization, and neurologist care are predictive of preventive migraine medication initiation in the 1-year post-incident migraine diagnosis.
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Affiliation(s)
| | | | - Dawn C Buse
- Albert Einstein College of Medicine, Bronx, NY, USA
| | - Shivang Joshi
- Dent Neurologic Institute, Amherst, NY, USA
- University of Buffalo School of Pharmacy, Buffalo, NY, USA
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Abstract
Migraine affects over a billion people worldwide in any year and is the second most common cause of years lost due to disability. Not "just a headache", morbidity washes though society and carries a substantial economic and social cost. Understanding of migraine pathophysiology has progressed significantly. Animal models and functional neuroimaging have yielded significant insight into brain structures that mediate migraine symptoms. The role of small peptides as neurotransmitters within this network has been elucidated, allowing the generation of novel therapeutic approaches that have been validated by randomised placebo-controlled trials. Migraine is underdiagnosed and undertreated. Treatment of migraine should be proactive. An acute and, when indicated, preventive strategy should be formulated with the patient. Comorbid medication overuse must be supportively managed. Migraine-specific medications are making their way from bench to bedside. They promise an improved safety profile and ease of use in comparison to older, repurposed medications. Devices promise a non-drug alternative should patients prefer. The migraine understanding and treatment landscape is changing rapidly.
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Anapindi KDB, Yang N, Romanova EV, Rubakhin SS, Tipton A, Dripps I, Sheets Z, Sweedler JV, Pradhan AA. PACAP and Other Neuropeptide Targets Link Chronic Migraine and Opioid-induced Hyperalgesia in Mouse Models. Mol Cell Proteomics 2019; 18:2447-2458. [PMID: 31649062 PMCID: PMC6885698 DOI: 10.1074/mcp.ra119.001767] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 09/30/2019] [Indexed: 12/16/2022] Open
Abstract
Chronic use of opioids can produce opioid-induced hyperalgesia (OIH), and when used to treat migraine, these drugs can result in increased pain and headache chronicity. We hypothesized that overlapping mechanisms between OIH and chronic migraine occur through neuropeptide dysregulation. Using label-free, non-biased liquid chromatography-mass spectrometry to identify and measure changes in more than 1500 neuropeptides under these two conditions, we observed only 16 neuropeptides that were altered between the two conditions. The known pro-migraine molecule, calcitonin-gene related peptide, was among seven peptides associated with chronic migraine, with several pain-processing neuropeptides among the nine other peptides affected in OIH. Further, composite peptide complements Pituitary adenylate cyclase-activating polypeptide (PACAP), Vasoactive intestinal peptide (VIP) and Secretogranin (SCG) showed significant changes in both chronic migraine and OIH. In a follow-up pharmacological study, we confirmed the role of PACAP in models of these two disorders, validating the effectiveness of our peptidomic approach, and identifying PACAP as a mechanistic link between chronic migraine and OIH. Data are available via ProteomeXchange with identifier PXD013362.
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Affiliation(s)
| | - Ning Yang
- Department of Chemistry, University of Illinois at Urbana-Champaign, 61801
| | - Elena V Romanova
- Department of Chemistry, University of Illinois at Urbana-Champaign, 61801; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 61801
| | - Stanislav S Rubakhin
- Department of Chemistry, University of Illinois at Urbana-Champaign, 61801; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 61801
| | - Alycia Tipton
- Department of Psychiatry, University of Illinois at Chicago, 60612
| | - Isaac Dripps
- Department of Psychiatry, University of Illinois at Chicago, 60612
| | - Zoie Sheets
- Department of Psychiatry, University of Illinois at Chicago, 60612
| | - Jonathan V Sweedler
- Department of Chemistry, University of Illinois at Urbana-Champaign, 61801; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 61801
| | - Amynah A Pradhan
- Department of Psychiatry, University of Illinois at Chicago, 60612.
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Lipton RB, Hutchinson S, Ailani J, Reed ML, Fanning KM, Manack Adams A, Buse DC. Discontinuation of Acute Prescription Medication for Migraine: Results From the Chronic Migraine Epidemiology and Outcomes (CaMEO) Study. Headache 2019; 59:1762-1772. [PMID: 31544244 PMCID: PMC6899725 DOI: 10.1111/head.13642] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2019] [Indexed: 12/26/2022]
Abstract
Objective This analysis assessed migraine‐related burden and treatment decisions in Chronic Migraine Epidemiology and Outcomes (CaMEO) Study survey respondents who stopped taking acute prescription medications for migraine. Background Migraine is a common yet underdiagnosed and undertreated neurological disease often associated with significant disability. Acute prescription medications are underused, in part because patients discontinue treatment. Rates and reasons for discontinuing acute prescription medications require exploration. Methods The CaMEO Study is a longitudinal, Internet‐based survey that identified and followed people who met modified ICHD‐3 migraine criteria. For this analysis, eligible respondents had used acute prescription medication for migraine in the past but no longer used or kept these treatments on hand (discontinued users). Respondents who reported discontinuing acute prescription treatment answered questions about length of time since last use and reasons for stopping. Reasons for discontinuing were thematically summarized. Monthly headache day frequency, Migraine Disability Assessment (MIDAS), Patient Health Questionnaire 9‐item depression screener, Generalized Anxiety Disorder 7‐item screener, and the 12‐item Allodynia Symptom Checklist were also assessed. Results Of 13,624 respondents with migraine, 4840 (35.5%) had ever used acute prescription medications and 1719 (35.5%) of those were discontinued users. Discontinued users had a mean (SD) age of 42.1 (14) years, and 1348/1719 (78.4%) were female. Monthly headache frequency of 0‐4 days was reported by 1073/1719 (62.4%) of respondents, 5‐9 days by 322/1719 (18.7%), 10‐14 days by 135/1719 (7.9%), and ≥15 days by 189/1719 (11.0%). Two‐thirds (1160/1719 [67.5%]) of discontinued users reported a receiving migraine (or chronic migraine) diagnosis from a doctor or other health professional in the past. Although all had spoken to a doctor about their headaches, 1504/1719 (87.5%) had stopped having their headaches managed or treated by a doctor for at least 12 months. Only 1 in 5 discontinued users reported being able to work or function normally with a headache, and 717/1719 (41.7%) had moderate to severe disability (MIDAS). Among the most commonly reported reasons for prescription medication discontinuation were switching to non‐prescription pain medication (782/1719 [45.5%]), as well as concerns about prescription medication efficacy (484/1719 [28.2%]) and tolerability (428/1719 [24.9%]). Nearly half of respondents who reported either efficacy or tolerability concerns had moderate to severe disability. Conclusions People with migraine who discontinue acute prescription medication have a high level of unmet treatment need. The majority cannot work or function normally with headaches, with 646/1719 (37.6%) of discontinued users reporting 5 or more headache days per month.
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Affiliation(s)
- Richard B Lipton
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Jessica Ailani
- Medstar Georgetown University Hospital, Washington, DC, USA
| | | | | | | | - Dawn C Buse
- Department of Neurology, Albert Einstein College of Medicine, Bronx, NY, USA
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Charleston L, Royce J, Monteith TS, Broner SW, O'Brien HL, Manrriquez SL, Robbins MS. Migraine Care Challenges and Strategies in US Uninsured and Underinsured Adults: A Narrative Review, Part 2. Headache 2019; 58:633-647. [PMID: 29878343 DOI: 10.1111/head.13321] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 02/21/2018] [Accepted: 02/22/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To review the challenges and potential solutions in treatment options for quality migraine care in adult patients who are under or uninsured. BACKGROUND The Affordable Care Act has improved access to health care for many; however, those who are underserved continue to face treatment disparities and have inadequate access to appropriate migraine management. METHODS This manuscript is the second of a 2-part narrative review which was performed after a series of discussions within the Underserved Populations in Headache Medicine Special Interest Section meetings of the American Headache Society. Literature was reviewed for key concepts underpinning conceptual boundaries and a broad overview of the subject matter. Published guidelines, state-specific Medicaid websites, headache quality measurement sets, literature review, and expert opinion were used to tailor suggested treatment options and therapeutic strategies. In this second part of our narrative review, we explored migraine care strategies and considerations for underserved and vulnerable adult populations with migraine. RESULTS Although common, migraine remains untreated, particularly among those of low socioeconomic status. Low socioeconomic status may play an important role in the disease progression, prescription of hazardous medications such as opioids, outcomes, and quality of life of patients with migraine and other headache disorders. There are some evidence-based and guideline supported treatment options available at low cost that include prescription medications and supplements, though approved devices are costly. Resources available online and simple nonpharmacological strategies may be particularly useful in the underserved migraine population. CONCLUSIONS We identified and discussed migraine treatment barriers that affect underserved populations in the US and summarized practical, cost-effective strategies to surmount them. However, more research is needed to identify the best cost-effective measures for migraine management in underserved and vulnerable patients who are uninsured or underinsured.
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Affiliation(s)
- Larry Charleston
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
| | - Jeffrey Royce
- Neuro and Headache Center, SwedishAmerican Hospital, Rockford, IL, USA
| | - Teshamae S Monteith
- Department of Neurology-Headache Division, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Susan W Broner
- Weill Cornell Medicine Headache Program, Department of Neurology, Weill Cornell Medical College, New York, NY, USA
| | - Hope L O'Brien
- Division of Neurology, Cincinnati Children's Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Salvador L Manrriquez
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - Matthew S Robbins
- Department of Neurology, Albert Einstein College of Medicine, Montefiore Headache Center, Bronx, NY, USA
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Miller J, Koons L, Longyhore D. Opioid free treatment algorithm for ED headache management: Effect on revisit rate. Am J Emerg Med 2019; 38:28-32. [PMID: 31104781 DOI: 10.1016/j.ajem.2019.03.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/18/2019] [Accepted: 03/31/2019] [Indexed: 10/26/2022] Open
Abstract
BACKGROUND The opioid epidemic is a crisis leading to over utilization of resources within emergency departments (EDs). We assessed how implementation of an opioid-free headache and migraine treatment algorithm in the ED impacted patient centered outcomes. METHODS This was a retrospective review of patients presenting to EDs across a health network with a primary diagnosis of headache or migraine. Two analyses were completed comparing patients presenting before and after implementation of an opioid-free treatment algorithm and patients treated with or without opioids in the ED. The primary outcome was incidence of an ED revisit within thirty days. Secondary outcomes included ED length of stay, admission rate, and incidence of revisit during the entire study period. RESULTS In total, 2953 patient encounters were included. Incidence of revisit within thirty days was lower in the post- (84/1339, 6.3%) versus pre-algorithm group (133/1614, 8.2%; odds ratio [OR] 0.75, 95% confidence interval [CI] 0.56-0.99; p = 0.049), as was the incidence of revisit within the entire study period (9.2% vs. 12.1%; OR 0.74, CI 0.58-0.93; p = 0.014). In the secondary analysis, patients treated with opioids had a higher incidence of revisit within thirty days (51/335, 15.2%) compared to those not treated with opioids (166/2618, 6.3%). The opioid group also had a higher incidence of admission rates and median ED length of stay. CONCLUSIONS Opioid use in the ED to treat patients with headaches or migraines may have several negative ramifications including increased risk of revisit, hospital admission, and increased ED length of stay.
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Affiliation(s)
- Justin Miller
- St. Luke's University Health Network, Bethlehem, PA, United States of America
| | - Laura Koons
- St. Luke's University Health Network, Bethlehem, PA, United States of America.
| | - Daniel Longyhore
- St. Luke's University Health Network, Bethlehem, PA, United States of America; Wilkes University, Wilkes-Barre, PA, United States of America
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50
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Moye LS, Tipton AF, Dripps I, Sheets Z, Crombie A, Violin JD, Pradhan AA. Delta opioid receptor agonists are effective for multiple types of headache disorders. Neuropharmacology 2019; 148:77-86. [PMID: 30553828 PMCID: PMC6467218 DOI: 10.1016/j.neuropharm.2018.12.017] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/19/2018] [Accepted: 12/12/2018] [Indexed: 12/20/2022]
Abstract
Headaches are highly disabling and are among the most common neurological disorders worldwide. Despite the high prevalence of headache, therapeutic options are limited. We recently identified the delta opioid receptor (DOR) as an emerging therapeutic target for migraine. In this study, we examined the effectiveness of a hallmark DOR agonist, SNC80, in disease models reflecting diverse headache disorders including: chronic migraine, post-traumatic headache (PTH), medication overuse headache by triptans (MOH), and opioid-induced hyperalgesia (OIH). To model chronic migraine C57BL/6J mice received chronic intermittent treatment with the known human migraine trigger, nitroglycerin. PTH was modeled by combining the closed head weight drop model with the nitroglycerin model of chronic migraine. For MOH and OIH, mice were chronically treated with sumatriptan or morphine, respectively. The development of periorbital and peripheral allodynia was observed in all four models; and SNC80 significantly inhibited allodynia in all cases. In addition, we also determined if chronic daily treatment with SNC80 would induce MOH/OIH, and we observed limited hyperalgesia relative to sumatriptan or morphine. Together, our results indicate that DOR agonists could be effective in multiple headache disorders, despite their distinct etiology, thus presenting a novel therapeutic target for headache.
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Affiliation(s)
- Laura S Moye
- Department of Psychiatry, University of Illinois at Chicago, USA
| | - Alycia F Tipton
- Department of Psychiatry, University of Illinois at Chicago, USA
| | - Isaac Dripps
- Department of Psychiatry, University of Illinois at Chicago, USA
| | - Zoie Sheets
- Department of Psychiatry, University of Illinois at Chicago, USA
| | | | | | - Amynah A Pradhan
- Department of Psychiatry, University of Illinois at Chicago, USA.
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