VAYHIT2: This study is evaluating the effectiveness of two different doses of targeted therapy added to a drug called eltrombopag in people with Primary Immune Thrombocytopenia (ITP) who have had an insufficient response or relapsed after first line steroid treatmentA Phase 3 Randomized, Double-blind Study of Ianalumab (VAY736) Versus Placebo in Addition to Eltrombopag in Patients With Primary Immune Thrombocytopenia (ITP) Who Had an Insufficient Response or Relapsed After First Line Steroid Treatment

Exclusion

1. ITP patients who received second-line ITP treatments (other than steroid therapy± IVIG) including splenectomy. However, patients exposed to thrombopoietin receptor agonists (TPO-RAs) for a limited time (max one week) before screening are eligible.
2. Patients with key lab abnormalities and patients with Evans syndrome or any other cytopenia
3. Patients with history of clinically significant hematological disorders, or with marked altered hematologic parameters
4. Patients with current or history of life-threatening bleeding
5. Patient that are Human Immunodeficiency Virus (HIV), Hepatitis C Virus (HCV), Hepatitis B surface Antigen (HBsAg)/ Hepatitis B core antibody (HBcAB)-positive
6. Patients with known active or uncontrolled infection requiring systemic treatment during screening period
7. Patients with hepatic impairment
8. Patients with concurrent coagulation disorders and/or receiving antiplatelet or anticoagulant medication
9. Female patients who are pregnant or nursing