High doses of gamma globulin and methylprednisolone therapy for idiopathic thrombocytopenic purpura in children

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Abstract
In four children with chronic idiopathic thrombocytopenic purpura (ITP), high doses of gamma globulin or methylprednisolone were effective in increasing platelet counts transiently, yet there was no quantitative relationship between the platelet responses to these two therapies. This finding suggests a qualitative difference in the mechanisms of increasing platelets by the two drugs. High doses of gamma globulin and methylprednisolone showed a synergistic effect on the initial and maximal platelet responses, suggesting an intensification of the effect of gamma globulin by methylprednisolone. This combination therapy should be clinically useful, particularly in the control of acute haemorrhage or in preparations for emergency surgery.