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- Ami(e) d'Argent
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- Inscription : 31 mai 2020 09:57
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Mantegazza R and Cavalcante P. Expert Opin Biol Ther 2020.
INTRODUCTION: Acetylcholine receptor antibody-positive generalized myasthenia gravis (gMG) is effectively treated with symptomatic and immunosuppressive drugs but a proportion of patients has a persistent disease and severe adverse events (AEs). The unmet medical needs are specific immunosuppression and AE lowering. Eculizumab blocks C5 protecting neuromuscular junction from the destructive autoantibody effects. Phase II (Study C08-001) and III (ECU-MG-301) studies, with the open-label extension (ECU-MG-302), demonstrated eculizumab efficacy and safety in refractory gMG patients.
AREAS COVERED: We provide an overview of eculizumab biological features, clinical efficacy, and safety in gMG patients, highlighting our perspective on the drug positioning in the MG treatment algorithm.
EXPERT OPINION: Eculizumab has the potential to significantly change the immunosuppressive approach in gMG offering the opportunity to avoid or delay corticosteroids' use due to its speed and selective mechanism of action. Eculizumab prescription will depend on: 1. ability to modify the natural disease course; 2. sustainability in the clinical practice (cost/effectiveness ratio); 3. drug-induced AE reduction. At present we are missing a controlled study on its use as a first-line treatment. We think that immunosuppression in MG will change significantly in the next years by adopting more focused 'Precision Medicine' approaches, and Eculizumab seems to satisfy such a promise.
PMID:32602752 | DOI:10.1080/14712598.2020.1786530
Source: https://pubmed.ncbi.nlm.nih.gov/3260275 ... 54&v=2.9.5
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