Abstract
Background
The outcome of migraine patients retreated with monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (anti-CGRP) or its receptor (anti-CGRPr) is not completely known.
Methods
This multicentric prospective observational cohort study assessed monthly migraine days (MMDs), migraine acute medication intake (MAMI), and HIT-6 at baseline, after 90–112 days (Rev-1), after 84–90 days since Rev-1 (Rev-2) and 30 days after the last injection of anti-CGRP/CGRPr mAbs (Year-end), in the first and the second year after a discontinuation period.
Results
We enrolled 226 patients (79.6% with chronic migraine; 55.3% on erenumab and 44.7% on galcanezumab or fremanezumab). MMDs, MAMI, and HIT-6—did not differ at the respective first and second-year evaluations in the entire cohort, and comparing anti-CGRP with anti-CGRPr Abs. MMDs (18.1 ± 7.8 vs. 3.4 ± 7.8), MAMI (26.7 ± 28.3 vs.17.7 ± 17.2), and HIT-6 scores (63.1 ± 5.9 vs. 67.1 ± 10.3) were lower in the second year than in the pre-treatment baseline (consistently, p < 0.0001). Second-year baseline MMDs were lower in patients on anti-CGRP mAbs (p = 0.001) and with lower pre-treatment baseline MMDs (p ≤ 0.001).
Conclusion
Anti-CGRP/CGRPr mAbs are effective in the second as in the first year. The use of anti-CGRP or CGRPr mAbs influenced the second-year baseline MMDs, but their effectiveness did not differ during the two treatment years.
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Data availability
Anonymized data will be shared by request from any qualified investigator..
Abbreviations
- AIFA:
-
Agenzia Italiana del Farmaco (Italian Medicines Agency)
- CGRP:
-
Calcitonin gene-related peptide
- CGRPr:
-
Calcitonin gene-related peptide receptor
- CI:
-
Confidence intervals
- CM:
-
Chronic migraine
- EM:
-
Episodic migraine
- HFEM:
-
High frequency episodic migraine
- HIT-6:
-
Headache Impact Test 6 items
- mAb:
-
Monoclonal antibody
- MAMI:
-
Monthly Acute Medications Intake
- MIDAS:
-
Migraine Disability Assessment
- MMDs:
-
Monthly migraine days
- MO:
-
Medication overuse
- NRS:
-
Numerical Rating Scale
- OR:
-
Odds ratio
- RCT:
-
Randomized controlled trials
- RR:
-
Response rate
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Funding
The study costs were covered by Fondazione Policlinico Campus Bio-Medico.
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Fabrizio Vernieri received travel grants, honoraria for advisory boards, speaker panels, or clinical investigation studies from Allergan/Abbvie, Amgen, Angelini, Lilly, Lundbeck, Novartis, and Teva. Simona Guerzoni received honoraria and fees from Allergan/Abbvie, Lilly, Lundbeck, Teva, Novartis and Pfizer. Luigi Francesco Iannone received personal fees from Lilly and Teva and travel grants from Lundbeck. Carlo Baraldi received honoraria and fees from Allergan, Lilly, Lundbeck, Teva and Novartis. Renata Rao received honoraria for travel grants, honoraria for advisory boards, speaker panels from Novartis, Lillly, Teva, Allergan, Lundbeck. Francesca Schiano di Cola received speaker honoraria from Lilly, Lundbeck and Novartis. Sabina Cevoli received travel grants, honoraria for advisory boards, speaker panels or clinical investigation studies from Novartis, Teva, Lilly, Allergan, Ibsa, Amgen and Lundbeck. Raffaele Ornello reports speaker fees from Novartis and Lilly, travel grants from Teva, and support for publication from Novartis and Allergan. Carlo Lovati received grants from Novartis and Lilly. Maria Albanese has been a consultant and member of Advisory Board for Novartis, Teva, Lundbeck, Lilly, Allergan/Abbvie; has received funding for travel and speaker honoraria from Lusofarmaco, Angelini, Novartis, Lilly, Teva, Merck-Serono. Armando Perrotta received travel grants, honoraria for advisory boards, speaker panels, or clinical investigation studies from Allergan, Lilly, Novartis, and Teva. Ilaria Cetta reports personal fees from Lilly for speaker activities. Massimo Filippi is Editor-in-Chief of the Journal of Neurology and Associate Editor of Neurological Sciences, received compensation for consulting services and/or speaking activities from Bayer, Biogen Idec, Merck-Serono, Novartis, Roche, Sanofi Genzyme, Takeda, and Teva Pharmaceutical Industries; and receives research support from Biogen Idec, Merck-Serono, Novartis, Teva Pharmaceutical Industries, Roche, Italian Ministry of Health, Fondazione Italiana Sclerosi Multipla, and ARiSLA (Fondazione Italiana di Ricerca per la SLA). Pierangelo Geppetti received personal fees from Allergan, Lilly, Novartis, Amgen, TEVA; grants from Amgen, TEVA, Eli-Lilly, Allergan, Chiesi; Scientific Advisory Board, Endosome Therapeutics; Founding scientist of FloNext srl, Spinoff of the University of Florence. Simona Sacco reports personal fees from Allergan-AbbVie, AstraZeneca, Abbott, Teva, Novartis, Novo Nordisk, Medscape, Neurodiem and Eli Lilly. Claudia Altamura received travel grants and honoraria from Novartis, Lilly, Lusofarmaco, Laborest, Abbvie-Allergan, Almirall. Nicoletta Brunelli, Sergio Soeren Rossi and Valentina Taranta have nothing to disclose.
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The study was performed in accordance with the Helsinki Declaration of 1964 and its later amendments. Informed consent was obtained from patients for collecting anonymously clinical and demographics data.
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Vernieri, F., Brunelli, N., Guerzoni, S. et al. Retreating migraine patients in the second year with monoclonal antibodies anti-CGRP pathway: the multicenter prospective cohort RE-DO study. J Neurol 270, 5436–5448 (2023). https://doi.org/10.1007/s00415-023-11872-2
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DOI: https://doi.org/10.1007/s00415-023-11872-2