A Phase III Study to Investigate Efficacy, Safety and Tolerability of Iptacopan Compared With Placebo in Participants Aged 18 to 85 Years With gMG.

The study consists of a 6-month double-blind treatment period for the primary efficacy and safety analysis followed by a maximum duration of 60 month open label extension period. A safety follow up assessment will be performed, one 7 days after the last administration of study treatment and one 30 days after the last administration of study treatment for all participants.