Eltrombopag is a:: (A) Thrombopoietin agonist, (B) Thrombopoietin antagonist, (C) Erythropoietin agonist, (D) Erythropoietin antagonist
Answer is A. Eltrombopag is a oral thrombopoetin agonist, it increases the no. of platelets. So, it is approved for Idiopathic Thrombocytopenic Purpura(ITP). Some other such drugs are approved like: Lusutrombopag is used for patients having liver disease. Romilostim is intravenous thrombopoetin agonist. Erythropoetin agonist is Darbopoetin used in chronic renal faiure induced anemia and bone marrow suppresson induced anemia.