Purpura, Thrombocytopenic - 50 Studies Found Recruiting : A Long-term Safety Study of Eltrombopag in Pediatric Patients With Chronic Immune (Idiopathic) Thrombocytopenic Purpura (ITP) : Purpura, Thrombocytopenic, Idiopathic : 2013-06-06 : Drug: Eltrombopag Tablets Eltr Completed : Pilot Study of Fostamatinib Disodium/R935788 for the Treatment of Adult Refractory Immune Thrombocytopenic Purpura (ITP) : Purpura, Thrombocytopenic, Idiopathic : 2008-06-25 : Drug: Fostamatinib Disodium / R935788 R935788 tablets Completed : Pilot Study of Rituximab for the Treatment of Acute Immune Thrombocytopenic Purpura (ITP) : Purpura, Thrombocytopenic, Idiopathic : 2006-09-06 : Drug: Rituximab 375mg/m2 per w Completed : Repeated Exposure to Eltrombopag in Adults With Idiopathic Thrombocytopenic Purpura (REPEAT) : Purpura, Thrombocytopaenic, Idiopathic : 2007-01-17 : Drug: eltrombopag experimental Completed : A Longitudinal 2-year Bone Marrow Study of Eltrombopag in Previously Treated Adults, With Chronic Immune (Idiopathic) Thrombocytopenic Purpura (ITP) : Purpura, Thrombocytopaenic, Idiopathic : 2010-03-25 : Drug: Eltrombopag olamine Thrombopoietin receptor agonist Completed : A Study of Hetrombopag Olamine in Chronic Idiopathic Thrombocytopenic Purpura (ITP) Patients : Purpura, Thrombocytopenic, Idiopathic : 2015-03-20 : Drug: Hetrombopag Olamine Hetrombopag Olamine 2.5mg, 5mg and 7.5mg Completed : Study of AKR-501 Tablets Taken Orally Once Daily for 28 Days in Patients With Chronic Idiopathic Thrombocytopenic Purpura (ITP) : Chronic Idiopathic Thrombocytopenic Purpura Drug: Placebo Placebo Tablets Terminated : Multiple Rising Does Study (Subcutaneous Doses) of BI 655064 in Male and Female Patients With Chronic Primary Immune Thrombocytopenic Purpura (ITP). : Purpura, Thrombocytopenic, Idiopathic : 2013-12-09 : Drug: BI 655064 subcutaneous injection Completed : Clinical Evaluation of SB-497115-GR in Chronic Idiopathic Thrombocytopenic Purpura (ITP) : Chronic Idiopathic Thrombocytopenic Purpura Drug: SB-497115-GR 12.5mg SB-4 Completed : An Epidemiological Study of Subjects With Immune Thrombocytopenic Purpura to Evaluate the Relationship Between Platelet Counts, Endogenous Thrombopoietin Levels, Endogenous Anti-Thrombopoietin Antibodies, and Selected Autoimmune Markers : Purpura, Thrombocytopenic, Idiopathic Immune