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Improved Osteoarthritis during Erenumab Treatment for Migraine: A Case Report.

ABSTRACT: Antibodies blocking the calcitonin gene-related peptide have revolutionized episodic and chronic migraine treatment. However, their applicability to non-cephalic pain conditions, such as osteoarthritis, is yet unknown. Osteoarthritis remains a clinical challenge, associated with high disability and limited treatment options. Like migraine, neuropeptides including calcitonin gene-related peptides are involved in its pathophysiology. We present the first case of a patient: a 73-year-old female with osteoarthritis who received monthly treatment for her chronic migraine with 140 mg subcutaneous erenumab, a monoclonal antibody against the receptor of calcitonin gene-related peptide. Though the migraine was unresponsive, the patient's arthritic symptoms improved drastically during treatment period with erenumab; daily pain decreased from VAS 7 to 2, and walking distance doubled from 1,000 m to 2,000 m. The arthritic symptoms relapsed after discontinuation of erenumab. Erenumab could potentially have beneficial effects on symptoms of osteoarthritis. Future studies investigating these effects are warranted.

SUBMITTER: Jantzen FT

PROVIDER: S-EPMC10363275 | biostudies-literature | 2023 Jan-Dec

REPOSITORIES: biostudies-literature

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Improved Osteoarthritis during Erenumab Treatment for Migraine: A Case Report.

Jantzen Frederik Thal FT Christensen Rune Häckert RH Chaudhry Basit Ali BA Amin Faisal Mohammad FM

Case reports in neurology 20230101 1

Antibodies blocking the calcitonin gene-related peptide have revolutionized episodic and chronic migraine treatment. However, their applicability to non-cephalic pain conditions, such as osteoarthritis, is yet unknown. Osteoarthritis remains a clinical challenge, associated with high disability and limited treatment options. Like migraine, neuropeptides including calcitonin gene-related peptides are involved in its pathophysiology. We present the first case of a patient: a 73-year-old female wit ...[more]

PMID: 37489143

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Project description:ObjectiveTo assess long-term (up to 2 years) efficacy, tolerability, and safety of erenumab for the prevention of episodic migraine (EM) in Japanese patients.BackgroundPreviously published results from the double-blind treatment phase (DBTP) of a phase 2 clinical study have demonstrated the efficacy and safety of erenumab in Japanese patients with EM.MethodsPatients completing the 24-week placebo-controlled DBTP could continue into the 76-week open-label treatment phase (OLTP), receiving erenumab 70 mg or 140 mg subcutaneously once monthly. The initial dose in the OLTP was erenumab 70 mg monthly, which was later changed to 140 mg. After study completion, the following were assessed: change from baseline in monthly migraine days (MMD), change from baseline in monthly acute migraine-specific medication days (MSMD), percentage of patients achieving ≥50% and ≥75% reduction in MMD, change from baseline in the 6-item Headache Impact Test (HIT-6™) score, and safety (exposure-adjusted patient-incidence of adverse events [AEs], calculated as number of patients per 100 patient-years).ResultsOf 475 patients enrolled in the DBTP, 459 (96.6%) continued in the OLTP. The mean (SD) MMD was 7.9 (2.3) at baseline with the overall change from baseline at week 100 of -2.9 (4.1) days. The monthly acute MSMD was 5.7 (2.8) at baseline with change from baseline at week 100 of -1.7 (3.7) days. The proportion of patients who achieved ≥50% and ≥75% reduction in MMD from baseline at week 100 was 177/398 (44.5%) and 94/398 (23.6%), respectively. The HIT-6™ score was 58.4 (5.4) at baseline with a change of -6.4 (8.2) at week 100. The exposure-adjusted patient-incidence of AEs during the OLTP was 207.1/100 patient-years for the combined erenumab group, similar to that observed for either erenumab (271.0/100 patient-years) or placebo (257.3/100 patient-years) during the DBTP, and no new safety signals were detected during the OLTP.ConclusionLong-term erenumab treatment in Japanese patients with EM demonstrated sustained efficacy for up to 2 years, with a safety profile similar to previous studies, supporting erenumab as a potential new therapy for EM prevention in Japan.

Project description:BackgroundMonoclonal antibodies (mAbs) targeting the CGRP pathway are safe and efficacious therapies for the prevention of migraine. In this study we assessed the effects of discontinuation of preventive erenumab and galcanezumab treatment in patients with chronic migraine.MethodsThis retrospective pooled analysis included completers of the open-label extension study phase for the preventive treatment of chronic migraine with galcanezumab (NCT02614261; 9 months) and erenumab (NCT02174861; 12 months) in a single headache center. We compare migraine data until week 12 after open-label treatment completion, when patients did not have any pharmacological preventive medication, to study baseline values of the double-blind trial period, and to the last 4 weeks of the open-label extension. The assessment included changes in monthly migraine days, headache hours, days with severe headache and acute headache medication use.ResultsData from 16 patients after galcanezumab (n = 9) and erenumab (n = 7) open-label treatment completion were analyzed. The mean number of monthly migraine days was 18.38 ± 3.74 at baseline, and 12.19 ± 4.53 in the last 4 weeks of the open-label extension (p < 0.001). Monthly migraine days remained significantly reduced compared to baseline during the entire 12-week observation period after open-label termination (p = 0.002), with a reduction of 5.38 ± 4.92 in weeks 1-4 (p = 0.001), 4.75 ± 4.15 in weeks 5-8 (p = 0.001), and 3.93 ± 5.45 in weeks 9-12 (p = 0.014). There was no significant difference in monthly migraine days between the 12 weeks after open-label termination and the last 4 weeks of the open-label phase (p = 0.228). All other analyses revealed numerical improvement through week 12 in comparison to baseline.ConclusionsIn this small, self-selected cohort, the results indicate a therapeutic effect of monoclonal antibodies targeting the CRGP pathway in chronic migraine prevention after treatment termination up to 12 weeks.

Project description:ObjectiveTo examine the cardiovascular, cerebrovascular, and peripheral vascular safety of erenumab across migraine prevention studies.MethodsVascular adverse events (AEs) and blood pressure data were integrated across 4 double-blind, placebo-controlled studies of erenumab and their open-label extensions in patients with chronic or episodic migraine. Subgroup analyses were conducted by acute migraine-specific medication use and number of vascular risk factors at baseline. Standardized search terms were used to identify vascular AEs (cardiovascular, cerebrovascular, or peripheral). An independent committee adjudicated whether targeted events were vascular in origin.ResultsIn placebo-controlled studies, 2,443 patients received placebo (n = 1,043), erenumab 70 mg (n = 893), or erenumab 140 mg (n = 507) subcutaneously once monthly. Regardless of acute migraine-specific medication use or vascular risk factors at baseline, AE incidence was similar across the placebo and erenumab treatment groups. Hypertension AEs were reported for 0.9% (placebo), 0.8% (erenumab 70 mg), and 0.2% (erenumab 140 mg) of patients. Vascular AEs, which were similar across double-blind and open-label treatment, generally were confounded, with plausible alternative etiologies. In 18 patients with events reviewed by the independent committee, 4 events were positively adjudicated as cardiovascular in origin: 2 deaths and 2 vascular events. All 4 positively adjudicated cardiovascular events occurred during open-label erenumab treatment.ConclusionSelective blockade of the canonical calcitonin gene-related peptide receptor with erenumab for migraine prevention had a vascular safety profile comparable to that of placebo over 12 weeks, with no increased emergence of events over time. Further study of long-term safety of erenumab in patients with migraine is needed.Clinicaltrialsgov identifiersNCT02066415, NCT02456740, NCT01952574, NCT02483585, NCT02174861, and NCT01723514.Classification of evidenceThis analysis provides Class II evidence that for patients with migraine, erenumab does not increase the risk of vascular AEs.

Project description:ObjectiveTo describe the real-world treatment persistence (defined as the continuation of medication for the prescribed treatment duration), demographics and clinical characteristics, and treatment patterns for patients prescribed erenumab for migraine prevention in Canada.BackgroundThe effectiveness of prophylactic migraine treatments is often undermined by poor treatment persistence. In clinical trials, erenumab has demonstrated efficacy and tolerability as a preventive treatment, but less is known about the longer term treatment persistence with erenumab.MethodsThis is a real-world retrospective cohort study where a descriptive analysis of secondary patient data was conducted. Enrollment and prescription data were extracted from a patient support program for a cohort of patients prescribed erenumab in Canada between September 2018 and December 2019 and analyzed for persistence, baseline demographics, clinical characteristics, and treatment patterns. Descriptive analyses and unadjusted Kaplan-Meier (KM) curves were used to summarize the persistence and dose escalation/de-escalation at different timepoints.ResultsData were analyzed for 14,282 patients. Median patient age was 47 years, 11,852 (83.0%) of patients were female, and 9443 (66.1%) had chronic migraine at treatment initiation. Based on KM methods, 71.0% of patients overall were persistent to erenumab 360 days after treatment initiation. Within 360 days of treatment initiation, it is estimated that 59.3% (KM-derived) of patients who initiated erenumab at 70 mg escalated to 140 mg, and 4.4% (KM-derived) of patients who initiated at 140 mg de-escalated to 70 mg.ConclusionsThe majority of patients prescribed erenumab remained persistent for at least a year after treatment initiation, and most patients initiated or escalated to a 140 mg dose. These results suggest that erenumab is well tolerated, and its uptake as a new class of prophylactic treatment for migraine in real-world clinical practice is not likely to be undermined by poor persistence when coverage for erenumab is easily available.

Dataset Information

Improved Osteoarthritis during Erenumab Treatment for Migraine: A Case Report.

Publications

Improved Osteoarthritis during Erenumab Treatment for Migraine: A Case Report.

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