- Seizure disorder that has not been well controlled History of clinically significant bleeding from oesophageal or gastric varices Subjects with haemoglobinopathies, e.g. sickle cell anaemia, thalassemia major Any prior history of arterial or venous thrombosis AND two or more of the following risk factors: hereditary thrombophilic disorders (e.g. Factor V Leiden, antithrombin III (ATIII) deficiency, etc), hormone replacement therapy, systemic contraception (containing estrogen), smoking, diabetes, hypercholesterolemia, medication for hypertension or cancer Pre-existing cardiac disease (New York Heart Association (NYHA) Grade III/IV), or arrhythmias known to involve the risk of thromboembolic events, or corrected QT interval (QTc) >450 msec Evidence of hepatocellular carcinoma Laboratory evidence of infection with human immunodeficiency virus (HIV) or active Hepatitis B Virus (HBV) infection Any disease condition associated with active bleeding or requiring anticoagulation with heparin or warfarin Therapy with any anti-neoplastic or immuno-modulatory treatment <6 months prior to the first dose of eltrombopag Subjects who have had a malignancy diagnosed and/or treated within the past 5 years, except for subjects with localised basal or squamous cell carcinoma treated by local excision or subjects with malignancies who have been adequately treated and, in the opinion of the oncologist, have an excellent chance of cancer-free survival Pregnant or nursing women Males with a female partner who is pregnant History of alcohol/drug abuse or dependence within 6 months of the study start (unless participating in a controlled rehabilitation programme) Treatment with an investigational drug or IFN within 30 days or 5 half-lives (whichever is longer) of the screening visit History of platelet clumping that prevents reliable measurement of platelet counts History of major organ transplantation with an existing functional graft Thyroid dysfunction not adequately controlled Subjects planning to have cataract surgery Evidence of portal vein thrombosis on abdominal imaging within 3 months of the baseline visit