Efficacy and Safety and Pharmacokinetics of Boya IVIG

"The initial dose and other dose changes will be determined by the investigator on a case-by-case basis aiming to prevent infection and minimum serum IgG levels of 5 g/L. The total number of doses administered will depend on the treatment regimen and run-in period:~* Between 16 and 20 intravenous injections for participants receiving infusions every 28 days, or;~* Between 21 and 25 intravenous injections for participants receiving infusions every 21 days"