A single 1 g/kg dose of intravenous immunoglobulin is a safe and effective treatment for immune thrombocytopenia; results of the first HaemSTAR 'Flash-Mob' retrospective study incorporating 961 patients Key Messages 1 A one off 1 g/kg infusion of intravenous immunoglobulin (IVIg) may be as effective as two consecutive 1 g/kg doses. 2 This is the largest ever study of the efficacy of IVIg for immune thrombocytopenia (ITP).3 There is poor adherence to the 2016 NHS England guidelines on IVIg dosing.
Intravenous immunoglobulin (IVIg) is a common therapy for patients with immune thrombocytopenia (ITP). The initial response rate for IVIg is 80%[1][1] and is typically rapid, with some patients responding in 24 hours, although usually in 2–4 days.[2][2] When IVIg is used alone, the response is