Efficacy, Safety and Pharmacokinetic of Virchow IVIG in PID Patients

V-Immune will be administered at 200-800 mg/kg dose as a single infusion every 3 or 4 weeks. Patients will be treated with V-Immune from Week 0 (first dose) till Week 48 at an investigator-recommended dose

Immuglo will be administered at 200-800 mg/kg dose as a single infusion every 3 or 4 weeks. Patients will be treated with V-Immune from Week 0 (first dose) till Week 48 at an investigator-recommended dose