Wolff Pharm Flashcards
Recombinant forms of RBC growth factor EPO useful for treating anemia due to chronic renal failure or chemotherapy-induced anemia in non-myeloid malignancies (2 drugs)
Which one is longer acting?
What is the major adverse effect?
Epoetin alfa
Darbepoetin alfa - longer-acting
Major adverse effect - hypertension
______-fortified foods can obfuscate detection of pernicious anemia
Folate
Thrombopoietin agonists indicated for promoting platelet formation in patients with idiopathic thrombocytopenia purpura (2 drugs)
Romiplostim
Eltrombopag
What does methionine synthase require to make methionine from homocysteine during folate metabolism in nucleic synthesis?
Vitamin B12
Treatment of pernicious anemia requires ______ either parenterally or in very large oral doses
Vitamin B12
Myelosuppressive drug that stimulates production of fetal hemoglobin and is used to treat sever cases of sickle cell anemia
Hydroxyurea
Drugs that are major causes of aplastic anemia
Cancer chemotherapeutics - alkylating agents, antimetabolites, and cytotoxic antibiotics
Iron absorption from the GI tract is regulated by _____
Hepcidin
Drugs that are classic causes thrombocytopenia
Quinidine and quinine (anti-malarial)
Blocker of CXCR4 receptor (HIV co-receptor) used to reduce hematopoietic stem cell homing to bone marrow as adjunct to facilitate filgrastim mobilization of stem cells to peripheral blood for collection prior to autologous bone marrow transplantation
Plerixafor
Lack of vitamin B12 leads to _______ anemia and ______ dysfunction
Megaloblastic; neurologic
Recombinant form of GM-CSF which acts in bone marrow to increase production of neutrophils, eosinophils, and monocytes/macrophages
Used to accelerate recovery of myeloid cells after autologous bone marrow transplantation
Adverse effects compared to G-CSF?
Sargramostim
More adverse effects than G-CSF
Drugs that are major causes of hemolytic anemia
Cephalosporins (esp. cefotetan and ceftriaxone)
Piperacillin
_____ deficiency impairs nucleic acid synthesis to cause megaloblastic anemia without neurological symptoms
Folate
Recombinant form of IL-11 and thrombopoietic growth factor that increases platelet levels by promoting formation and maturation of megakaryocytes
Used to treat thrombocytopenia in patients undergoing myelosuppressive chemotherapy for non-myeloid cancers
Adverse effects?
Oprelvekin
Significant adverse effects limit its use