Table 2.
Relative effect of efgartigimod versus ravulizumab in terms of AUC for MG-ADL, QMG and MG-QoL15r change from baseline over 26 weeks follow-up in people with AChR-Ab+ gMG derived using MAIC
AUC | ||||||
---|---|---|---|---|---|---|
MG-ADL | QMG | MG-QoL15r | ||||
n | Mean (95% CI) | n | Mean (95% CI) | n | Mean (95% CI) | |
Adjusted results estimated using reweighted data from the ADAPT study | ||||||
Efgartigimod | 55 | – 62.2 (– 86.8, – 37.7)*** | 55 | – 73.8 (– 107.4, – 40.3)*** | 55 | – 121.9 (– 166.6, – 77.2)*** |
Placebo | 56 | – 22.0 (– 46.8, 2.9) | 54 | – 14.0 (– 48.4, 20.3) | 56 | – 31.3 (– 76.4, 13.8) |
Efgartigimod vs. placebo | 111 | – 40.3 (– 62.5, – 18.0)** | 109 | – 59.8 (– 91.0, – 28.5)** | 111 | – 90.6 (– 130.5, – 50.8)*** |
Results estimated from the CHAMPION study | ||||||
Ravulizumab | 86 | – 73.3 (– 90.8, – 55.3)*** | 86 | – 70.9 (– 93.0, – 49.0)*** | 86 | – 84.6 (– 116.8, – 53.6)*** |
Placebo | 89 | – 41.8 (– 59, – 23.5)*** | 89 | – 24.8 (– 47.6, – 3.4)* | 89 | – 46.6 (– 77.6, – 15.2)** |
Ravulizumab vs. placebo | 175 | – 31.6 (– 56.7, – 6.4)*** | 175 | – 46.1 (– 77.2, – 14.9)*** | 175 | – 38.0 (– 69.4, – 6.6)* |
MAIC results anchored on above comparisons with placebo | ||||||
Efgartigimod vs. ravulizumab | 141 | – 8.7 (– 36.1, 18.8) | 141 | – 13.7 (– 50.3, 22.9) | 141 | – 52.6 (– 103.0, – 2.3)* |
AChR-Ab+ acetylcholine receptor auto-antibody-positive, AUC Area Under the Curve, CI Confidence Interval, gMG generalized Myasthenia Gravis, MAIC Matching-Adjusted Indirect Comparison, MG-ADL Myasthenia Gravis Activities of Daily Living, MG-QoL15r Myasthenia Gravis Quality of Life 15-item-revised scale, QMG Quantitative Myasthenia Gravis
*p value < 0.05; **p value < 0.01; ***p value < 0.001