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  • Title: Treatment of childhood idiopathic thrombocytopenic purpura with Rhesus antibodies (anti-D).
    Author: Becker T, Küenzlen E, Salama A, Mertens R, Kiefel V, Weiss H, Lampert F, Gaedicke G, Mueller-Eckhardt C.
    Journal: Eur J Pediatr; 1986 Aug; 145(3):166-9. PubMed ID: 3021462.
    Abstract:
    We have recently reported that a rise of platelet numbers in ITP can be induced by blockade of the RES with antibody-coated red blood cells. We now present a collaborative study in which 15 Rhesus-positive children with ITP (nine boys and six girls aged 1-15 years) were treated with low-dose anti-D. Ten patients had chronic ITP (duration 6-47 months), five had acute ITP. Doses of 28-50 micrograms anti-D/kg bodyweight per course were given intravenously. In all patients clinical signs of bleeding ceased and platelet counts were elevated. An excellent, good or fair response with platelet increments of greater than 100, 50-100, or 20-50 X 10(9)/l, respectively, was observed in 19, 7, and 12 out of 45 courses in chronic ITP, and in 4, 1, and 2 out of 8 courses in acute ITP. The platelet increase (greater than 40 X 10(9)/l) persisted for 10 to over 360 days in chronic ITP. There were no untoward side reactions. Haemoglobin values remained stable in all patients but laboratory signs of mild, compensated haemolysis ensued. The direct antiglobulin test became positive in all cases due to anti-D IgG. Previous therapy of patients with chronic ITP included high-dose immunoglobulins and prednisone. These regimens were both effective but remissions were short. We conclude that anti-D therapy is an effective and safe form of treatment in childhood ITP.
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