Maintenance of response and predictive factors of 1-year GalcanezumAb treatment in real-life migraine patients in Italy: The multicenter prospective cohort GARLIT study
- PMID: 36097739
- PMCID: PMC10086852
- DOI: 10.1111/ene.15563
Maintenance of response and predictive factors of 1-year GalcanezumAb treatment in real-life migraine patients in Italy: The multicenter prospective cohort GARLIT study
Abstract
Background and purpose: To evaluate the 1-year effectiveness and tolerability of galcanezumab in real life and the prognostic indicators of persistent response.
Methods: High-frequency episodic migraine (HFEM) and chronic migraine (CM) patients treated with galcanezumab who completed a 1-year observation were enrolled. The primary outcomes assessed during the 12 months (V1-V12) were the change in monthly migraine days (MMDs) from baseline and the response rates ≥50% in MMDs (MMD ≥50% RR). The secondary outcomes were changes in pain intensity (numerical rating scale [NRS]) and in monthly acute medication intake (MAMI).
Results: We enrolled 191 patients (77.5% CM). Twenty-three patients (12%) dropped out, two for nonserious adverse events. At least 40% of patients took add-on standard preventives from baseline to V12. At V12, MMDs were reduced by 6.0 days in HFEM and by 11.9 days in CM patients (both p < 0.00001); NRS and MAMI were also decreased in both groups (p < 0.00001). One-hundred eight (56.5%) patients presented MMD ≥50% RR for 9 cumulative months (interquartile range=8): we defined this value as the cutoff for a persistent response. Persistent responders were less likely to have a higher body mass index (BMI) (p = 0.007) but more frequently had a good response to triptans (p = 0.005) and MMD ≥50% RR at V1 (p < 0.0000001). Patients without a persistent response were on add-on therapy for longer periods of time (p < 0.001).
Conclusions: Galcanezumab was effective and well-tolerated in the 1-year term, with most patients presenting MMD ≥50% RR for at least 9 months. Triptan response, lower BMI, and MMD ≥50% RR in the first month emerged as predictive factors for a persistent response.
Trial registration: ClinicalTrials.gov NCT0480351.
Keywords: CGRP; galcanezumab; migraine; monoclonal antibodies; real life.
© 2022 The Authors. European Journal of Neurology published by John Wiley & Sons Ltd on behalf of European Academy of Neurology.
Conflict of interest statement
M.Ag. received grants from Novartis and Lilly. M.Al. received honoraria or travel grants from Novartis, Teva, Merck Serono, Almirall, and Biogen. C.Al. received grants and honoraria from Lusofarmaco, Laborest, Abbvie, Novartis, and Eli Lilly. C.Au. received travel grants and honoraria from FB‐Health, Lusofarmaco, Almirall, Eli‐Lilly, Novartis, and Teva. P.B. received travel grants, honoraria for advisory boards, speaker panels or clinical investigation studies from Alder, Allergan, Angelini, Assosalute, Bayer, ElectroCore, Eli‐Lilly, GSK, Lundbeck, Lusofarmaco, 1MED, MSD, New Penta, Noema Pharma, Novartis, Stx‐Med, Teva, Visufarma, and Zambon. F.B. received honoraria as a speaker or for participating in advisory boards from Teva, Novartis, and Ipsen. S.C. received travel grants, honoraria for advisory boards, speaker panels, or clinical investigation studies from Novartis, Teva, Lilly, Allergan, Ibsa, Amgen, and Lundbeck. V.D.P. received grants and honoraria by Bayer, Biogen, Lilly, TEVA, and Novartis. G.E. received travel grants and honoraria from Eli‐Lilly, Novartis, New Penta, and Ecupharma. V.F. has received honoraria as speaker or for participating in advisory boards from Ely‐Lilly. C.F. received travel grants, honoraria Lilly, TEVA, and Aim Group. C.L. received grants from Novartis and Lilly. I.M. received honoraria from Eli Lilly. A.P. received travel grants, honoraria for advisory boards, speaker panels, or clinical investigation studies from Allergan, Eli‐Lilly, Novartis, and Teva. A.R. received speaker honoraria from Teva and Lilly. R.R. received honoraria for speaker panels from Teva, Lilly, and Novartis. F.V. received travel grants, honoraria for advisory boards, speaker panels, or clinical investigation studies from Allergan‐Abbvie, Amgen, Angelini, Eli‐Lilly, Lundbeck, Novartis, and Teva. N.B., L.d.O., and M.M. have no competing interest.
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