ArticleNeurology and therapy2026
Real-World Response and Super-Response to Eptinezumab over 48 Weeks in Migraine: The Prospective Multicenter EMBRACE III Study.
Article in Neurology and therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. It is linked to trial NCT05570149 (EptinezuMaB in ReAl-world evidenCE), which is not on this map. Not yet cited in PubMed.
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EptinezuMaB in ReAl-world evidenCE: a 12-Months, Multicenter, Real-Life, Cohort Study in High-Frequency Episodic and Chronic Migraine (the EMBRACE Study)
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No citing paper in PubMed yet.
Corrections and comments
- Erratum issued
Authors and funding
34 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionLong-term (> 24 weeks) real-world evidence of eptinezumab's effectiveness is limited. We evaluated ≥ 50% and ≥ 75% response rates over 48 weeks in patients with high-frequency episodic migraine (HFEM) or chronic migraine (CM).
methodsEMBRACEIII (NCT05570149) is a prospective, multicenter, observational study. Adults with HFEM or CM who experienced ≥ 3 preventive treatment failures received eptinezumab 100 mg intravenously every 12 weeks, with optional 300 mg escalation after week 12 for inadequate response. Co-primary endpoints were ≥ 50% and ≥ 75% reductions in monthly migraine/headache days (MMD/MHD) at weeks 45-48 versus baseline. Secondary endpoints were changes in MMD/MHD, monthly analgesic intake (MAI), pain intensity (assessed using the numeric rating scale [NRS]), migraine-related disability and impact (assessed using the Headache Impact Test-6 [HIT-6], Migraine Disability Assessment [MIDAS], the Migraine Interictal Burden Scale-4 [MIBS-4]), patient-reported global treatment response (assessed using the Patient Global Impression of Change [PGI-C] questionnaire), and 100% response. Exploratory analyses assessed dose escalation, prior anti-calcitonin gene-related peptide monoclonal antibodies (CGRP mAbs) treatment failures, responders without adverse events, ≥ 30% reduction in the NRS during residual attacks, and clinically complex subgroups.
resultsAmong the 261 patients (safety population) included in the study, 124 completed ≥ 48 weeks of treatment with eptinezumab. At week 48, the response rates for ≥ 50%, ≥ 75%, and 100% were 82.3%, 51.6%, and 9.7%, respectively. All secondary endpoints improved significantly (p < 0.001), with significant reductions from baseline: MMD/MHD, - 15.5; MAI, - 14.9; NRS, - 3.3; HIT-6, - 20.6; MIDAS, - 74; and MIBS-4, - 4.3. Also, 94.8% of patients reported PGI-C improvement. Dose escalation occurred in 69.4% of patients. Patients receiving ≥ 3 doses of 300 mg eptinezumab achieved outcomes comparable to responders receiving 100 mg. Among patients with prior anti-CGRP mAb treatment failures (51.6%), ≥ 50% and 100% responders were similar to mAb-naïve patients, whereas ≥ 75% response was lower (37.5%; p = 0.002). Response rates of ≥ 50%, ≥ 75% and 100% were achieved by 81.2%, 50.4%, and 8.5%, respectively, in patients without adverse events; 85.7%, 51.4%, and 8.6% in patients with psychiatric comorbidities; 87.8%, 54.9%, and 7.3% in patients with CM with medication overuse; and 89.2%, 50.0%, and 7.1% in patients with CM with both conditions.
conclusionsEptinezumab demonstrated sustained 48-week effectiveness, with high response rates of ≥ 75% and 100% in a difficult-to-treat population. Effectiveness was preserved in patients with prior anti-CGRP mAb failures after 300 mg escalation and in clinically complex subgroups. Many patients achieved ≥ 30% reduction in NRS during residual migraine attacks.
trial registrationClinicalTrials.gov: NCT05570149.
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