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15.09.2020 | Ausgabe 1/2021 Open Access

Quality of Life Research 1/2021

Changes in patient functioning and disability: results from a phase 3, double-blind, randomized, placebo-controlled clinical trial evaluating galcanezumab for chronic migraine prevention (REGAIN)

Zeitschrift:
Quality of Life Research > Ausgabe 1/2021
Autoren:
Janet Ford, Cristina Tassorelli, Elizabeth Leroux, Shufang Wang, David Ayer, Russell Nichols, Holland Detke
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11136-020-02623-1) contains supplementary material, which is available to authorized users.
The findings of this manuscript were presented in part at the American Headache Society 60th Annual Scientific Meeting, San Francisco, CA, USA, 28 June 28–01 July 2018.

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Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Purpose

To evaluate secondary outcomes including changes in functioning and disability associated with galcanezumab, a humanized monoclonal antibody to calcitonin gene-related peptide, in patients with chronic migraine.

Methods

Patients randomly received galcanezumab (120 mg n = 278, 240 mg n = 277) or placebo (n = 558) during 3 months of double-blind treatment, followed by a 9-month open-label extension. The Migraine-Specific Quality-of-Life Questionnaire v2.1 (MSQv2.1) measured the impact of migraine on patient functioning. The Migraine Disability Assessment (MIDAS) quantified headache-related disability. Changes from baseline were analyzed with mixed model repeated measures or analysis of covariance.

Results

Total MSQ score at baseline was 44.88 ± 18.02 (mean ± SD), indicating significant functional impairment. At Month 3, least squares (LS) mean change ± SE in total MSQ for galcanezumab-treated patients were 20.51 ± 1.49 (120 mg) and 20.49 ± 1.49 (240 mg), both statistically significantly greater vs placebo-treated patients (14.55 ± 1.21; both P < 0.001). Total MIDAS score at baseline was 67.24 ± 57.31 (mean ± SD). At Month 3, LS mean change ± SE from baseline in total MIDAS for galcanezumab-treated patients was statistically significantly greater than placebo for 120 mg group (placebo: − 11.53 ± 3.38 vs 120 mg: − 20.27 ± 4.07; P < 0.05) but not for 240 mg group (− 17.02 ± 4.05). At Month 12, within-group mean changes from baseline for total MSQ (28.56 ± 1.19 previous placebo; 29.53 ± 1.51 previous 120 mg; 25.83 ± 1.49 previous 240 mg) and MIDAS scores (− 28.47 ± 2.95 previous placebo; − 31.47 ± 3.69 previous 120 mg; − 31.13 ± 3.62 previous 240 mg) were statistically significant (P < 0.001) for the open-label treatment population regardless of previous double-blind treatment assignment.

Conclusions

Galcanezumab-treated patients with chronic migraine reported statistically significant improvements in functioning and disability, representing a clinically significant change.

Trial registration

ClinicalTrials.gov registry: NCT02614261. Registered 25 November 2015.

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