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Key clinical point: Calcitonin gene-related peptide (CGRP)–induced migraine attacks did not affect therapeutic response to erenumab in patients with migraine.
Major finding: Overall, a similar proportion of patients who experienced vs did not experience CGRP-induced migraine attacks had a ≥50% reduction in monthly migraine days during weeks 13-24 following erenumab treatment (61% vs 52%; odds ratio [OR] 1.42; P = .498). No significant differences were seen between the two patient groups that achieved a ≥50% reduction in monthly migraine or headache days of moderate to severe intensity (OR 1.25; P = .625).
Study details: This interim analysis of the REFORM study included 124 patients with migraine who received CGRP infusion on a single experimental day and subsequently a 24-week treatment with erenumab.
Disclosures: This study was funded by Novartis Pharma and the Lundbeck Foundation. Two authors declared being employees of or holding shares in Novartis Pharma AG. Several authors declared receiving personal fees from various sources, including Novartis, outside of the submitted work. One author is an associate editor for Cephalalgia.
Source: Al-Khazali HM, Ashina H, Christensen RH, et al. Hypersensitivity to CGRP as a predictive biomarker of migraine prevention with erenumab. Cephalalgia. 2024;44(6):3331024241258734 (Jun 11). Doi: 10.1177/03331024241258734 Source
Key clinical point: Calcitonin gene-related peptide (CGRP)–induced migraine attacks did not affect therapeutic response to erenumab in patients with migraine.
Major finding: Overall, a similar proportion of patients who experienced vs did not experience CGRP-induced migraine attacks had a ≥50% reduction in monthly migraine days during weeks 13-24 following erenumab treatment (61% vs 52%; odds ratio [OR] 1.42; P = .498). No significant differences were seen between the two patient groups that achieved a ≥50% reduction in monthly migraine or headache days of moderate to severe intensity (OR 1.25; P = .625).
Study details: This interim analysis of the REFORM study included 124 patients with migraine who received CGRP infusion on a single experimental day and subsequently a 24-week treatment with erenumab.
Disclosures: This study was funded by Novartis Pharma and the Lundbeck Foundation. Two authors declared being employees of or holding shares in Novartis Pharma AG. Several authors declared receiving personal fees from various sources, including Novartis, outside of the submitted work. One author is an associate editor for Cephalalgia.
Source: Al-Khazali HM, Ashina H, Christensen RH, et al. Hypersensitivity to CGRP as a predictive biomarker of migraine prevention with erenumab. Cephalalgia. 2024;44(6):3331024241258734 (Jun 11). Doi: 10.1177/03331024241258734 Source
Key clinical point: Calcitonin gene-related peptide (CGRP)–induced migraine attacks did not affect therapeutic response to erenumab in patients with migraine.
Major finding: Overall, a similar proportion of patients who experienced vs did not experience CGRP-induced migraine attacks had a ≥50% reduction in monthly migraine days during weeks 13-24 following erenumab treatment (61% vs 52%; odds ratio [OR] 1.42; P = .498). No significant differences were seen between the two patient groups that achieved a ≥50% reduction in monthly migraine or headache days of moderate to severe intensity (OR 1.25; P = .625).
Study details: This interim analysis of the REFORM study included 124 patients with migraine who received CGRP infusion on a single experimental day and subsequently a 24-week treatment with erenumab.
Disclosures: This study was funded by Novartis Pharma and the Lundbeck Foundation. Two authors declared being employees of or holding shares in Novartis Pharma AG. Several authors declared receiving personal fees from various sources, including Novartis, outside of the submitted work. One author is an associate editor for Cephalalgia.
Source: Al-Khazali HM, Ashina H, Christensen RH, et al. Hypersensitivity to CGRP as a predictive biomarker of migraine prevention with erenumab. Cephalalgia. 2024;44(6):3331024241258734 (Jun 11). Doi: 10.1177/03331024241258734 Source