Results
The two doses were not equivalent within a 5% margin at any timepoint.
At 4 weeks post infusion, 26/73 (36%) participants required a repeat
infusion in the 500 mg group compared with 5/67 (8%) in the 1000 mg
group (difference in proportions, 0.283 95% confidence interval (0.177,
0.389)). Overall, participants in the 500 mg arm received twice the
repeat infusion rate (0.81 (SD= 0.824 vs 0.40 (SD= 0.69), rate ratio
2.05, 95% CI (1.45, 2.91)).