期刊
PAIN AND THERAPY
卷 10, 期 2, 页码 809-826出版社
SPRINGER INT PUBL AG
DOI: 10.1007/s40122-021-00264-x
关键词
CGRP receptor; Chronic daily headache; Chronic headache; Combination therapy; Migraine headache; Preventive treatment; Type A botulinum toxins
资金
- AbbVie, Irvine, CA
The combination treatment of onabotulinumtoxinA and CGRP mAbs in migraine patients showed significant reduction in headache days, improvement in quality of life, and good tolerability. Further research is needed to explore the potential benefits of this combination therapy.
Introduction: Combination use of onabotulinumtoxinA and calcitonin gene-related peptide (CGRP) monoclonal antibodies (mAbs) has the potential to be more effective than either therapy alone for migraine prevention. Methods: This retrospective, longitudinal chart review included adults with chronic migraine treated at one clinical site with >= 2 consecutive cycles of onabotulinumtoxinA and >= 1 month of subsequent combination treatment with CGRP mAbs. Charts at time of mAb prescription (baseline) and up to four visits similar to 3, 6, 9, and 12 months post-baseline were reviewed for safety, tolerability, and outcome measures (monthly headache days [MHDs], headache intensity, and migraine-related disability [MIDAS]). Results: Of 300 charts reviewed, 257 patients met eligibility criteria (mean age: 50 years; 82% women). Average headache frequency was 21.5 MHDs before initiation of onabotulinumtoxinA and 12.1 MHDs before adding CGRP mAb therapy. Prescribed mAbs were erenumab (78%), fremanezumab (6%), and galcanezumab (16%). Over the entire study, patients discontinued CGRP mAb more frequently than onabotulinumtoxinA (23 vs. 3%). Adverse events occurred in 28% of patients, most commonly constipation (9%). Compared with onabotulinumtoxinA alone (baseline), MHDs decreased significantly at all visits (mean decrease: 3.5-4.0 MHDs over similar to 6-12 months of combination treatment); 45.1% of patients had clinically meaningful improvement in migraine-related disability (>= 5-point reduction in MIDAS score) after similar to 6 months. Conclusions: In this real-world study, combination treatment with onabotulinumtoxinA and CGRP mAbs was well tolerated, with no new safety signals identified, and was associated with additional clinically meaningful benefits. More real-world and controlled trials should be considered to further assess safety and potential benefits of combination treatment.
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