Drug updated on 12/11/2024
Dosage Form | Injection (subcutaneous; 16.6 mg/0.416 mL, 23 mg/0.574 mL, 32.4 mg/0.81 mL) |
Drug Class | Complement inhibitors |
Ongoing and Completed Studies | ClinicalTrials.gov |
Indication
- Indicated for the treatment of generalized myasthenia gravis (gMG) in adult patients who are antiacetylcholine receptor (AChR) antibody positive.
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Summary
- This summary is based on the review of one systematic review/meta-analysis. [1]
- The overall mean improvement in myasthenia gravis activities of daily living (MG-ADL) score across all evaluated treatments was -2.17 points (95% confidence interval (CI) -2.67, -1.67; p < 0.001).
- No significant difference was found between complement inhibitors (such as eculizumab, ravulizumab) and anti-FcRn treatments (efgartigimod, rozanolixizumab) (p = 0.16), while rituximab did not significantly improve the MG-ADL score (-0.92 [95% CI -2.24, 0.39]; p = 0.17).
- The overall mean improvement in the Quantitative Myasthenia Gravis (QMG) score was -3.46 points (95% CI -4.53, -2.39; p < 0.001). Anti-Fc receptor (FcRn) treatments showed a greater reduction in QMG score (-4.78) compared to complement inhibitors (-2.60; p < 0.001).
- Rituximab did not result in a significant improvement in QMG score (-1.9 [95% CI -3.97, 0.18]; p = 0.07).
- Among the drugs assessed, efgartigimod had the highest probability of being the most effective, followed by rozanolixizumab, based on network meta-analysis, while rituximab showed no significant benefit in improving MG-ADL or QMG scores.
- There is no safety information available in the reviewed documents.
- The studies primarily focused on patients with myasthenia gravis (MG) across various treatment durations: 12 weeks for zilucoplan, 26 weeks for eculizumab and ravulizumab, 28 days for efgartigimod, 43 days for rozanolixizumab, and 16 to 52 weeks for rituximab. There were no specific findings reported for subgroups, such as age, gender, or comorbid conditions, in the provided documents.
Product Monograph / Prescribing Information
Document Title | Year | Source |
---|---|---|
Zilbrysq (zilucoplan) Prescribing Information. | 2024 | UCB, Inc. Smyrna, GA |
Systematic Reviews / Meta-Analyses
Document Title | Year | Source |
---|---|---|
Efficacy of innovative therapies in myasthenia gravis: A systematic review, meta-analysis and network meta-analysis | 2023 | European Journal of Neurology |