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  • Title: Improvement of migraine depressive symptoms is not related to headache frequency: exploring the impact of anti-CGRP therapies.
    Author: Torres-Ferrús M, Gallardo VJ, Alpuente A, Caronna E, Giné-Ciprés E, Pozo-Rosich P.
    Journal: Cephalalgia; 2024 Feb; 44(2):3331024231222923. PubMed ID: 38307497.
    Abstract:
    BACKGROUND: The present study aimed to describe the prevalence and evolution of depressive symptoms in a cohort of migraine patients treated with anti-CGRP monoclonal antibodies. METHODS: This is an exploratory, prospective, unicentric, one-year longitudinal study. We included migraine patients who started treatment with anti-CGRP monoclonal antibodies. Baseline demographic data, medical history, concomitant medication and migraine characteristics were collected. The presence of depressive symptoms was evaluated using the Beck Depression Inventory-II quarterly and treatment response was categorized according to the reduction in monthly headache days. A generalized mixed-effect regression model was used to model depression score over a one-year treatment taking into account frequency response rates. RESULTS: We included 577 patients: 84.2% females; median (range) age 47.0 (39.0-53.0) years, 46.1% (266/577) of them presented depressive symptoms at baseline (16.1% mild, 13.3% moderate and 16.6% severe). After six-month treatment, 47.4% (126/266) reduced headache frequency ≥50% after one year and 63.5% (169/266) achieved a clinically significant improvement in depression symptoms. We observed a 30.8% (-50.0%, -3.2%) main reduction in depression score during the first quarter. The improvement in depression symptoms was independently associated with headache frequency response: non-responders, -25.0% (-43.9%, -1.1%); partial responders, -30.2% (-51.3%, -7.6%); and good responders, -33.3% (-54.6%, -7.5%). CONCLUSIONS: Anti-CGRP monoclonal antibodies targeting CGRP are effective in reducing depressive symptoms in patients with migraine. The main change of depression score happens during the first three months of treatment. The reduction in depressive symptoms is independent of migraine frequency improvement.
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