Eltrombopag, a Potential New Treatment for ITP A pilot trial has shown a thrombopoietin receptor agonist, eltrombopag (Promacta), to be effective in connective tissue disease-related (CTD), refractory immune thrombocytopenia (ITP). https://t.co/hYSAEKOjq5 https://t.co/QzBNA3SWVo