Study Evaluating IGSC 20% Flexible Dosing in Treatment-Experienced and Treatment-Naive Subjects With Primary Immunodeficiency

IGSC 20% syringe daily push dosing for 16 weeks followed by every 2 weeks pump dosing for 16 weeks or the reverse sequence

IGSC 20% syringe daily push dosing for 16 weeks followed by once weekly ambulatory pump administration dosing for 16 weeks or the reverse sequence

IGSC 20% syringe daily push dosing for 16 weeks followed by 2 times/week ambulatory pump administration on preselected days (eg, Monday and Thursday) not less than 3 days apart for 16 weeks or the reverse sequence

loading dose of IGSC 20% consisting of 5 consecutive daily doses of 150 mg/kg/day (Week 0, Days 1-5) followed by weekly infusions of IGSC 20% 150 mg/kg starting Week 1 (Day 8) through Week 32 using an infusion SC pump