ArticleFrontiers in drug safety and regulation2026
Deprescribing and Anti-CGRP preventive therapy in medication-overuse headache associated with migraine: pathophysiological rationale and single-center real world evidence.
Article in Frontiers in drug safety and regulation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Medication-overuse headache (MOH) associated with migraine is a biologically driven disorder involving central sensitization, maladaptive neuroplasticity, and enhanced calcitonin gene-related peptide (CGRP) signaling. While structured deprescribing addresses medication-related drivers, withdrawal alone often provides limited and unsustained benefit. Anti-CGRP preventive therapies offer targeted modulation of migraine pathways without reinforcing medication overuse. This study integrates pathophysiological insights with real-world evidence from a single-center study of 47 patients treated with combined deprescribing and anti-CGRP therapy. Clinically meaningful reductions in monthly migraine days were observed, with 85.1% achieving ≥50% reduction at 6 months and 78.7% achieving >75% reduction at 12 months. Our clinical experience also suggests that long-standing combination analgesic overuse may be associated with a slower treatment response. The present findings support a mechanism-based treatment approach and suggest that combining preventive therapy with deprescribing may optimize long-term outcomes in patients with migraine-associated MOH.
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