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  • Hematinic


    A hematinic is a nutrient required for the formation of blood cells in the process of hematopoiesis. The main hematinics are iron, B12, and folate. Deficiency in hematinics can lead to anaemia. In cases of hematinic deficiency, hematinics can be administered as medicines, in order to increase the hemoglobin content of the blood. Erythropoietin (EPO) is a hormone that stimulates erythropoiesis, which can also be given as a medicine to increase the hemoglobin content of the blood, but EPO is not classified as a hematinic.

  • Peginesatide


    Peginesatide (INN/USAN, trade name Omontys, formerly Hematide), developed by Affymax and Takeda, is an erythropoietic agent, a functional analog of erythropoietin. It was approved by the U.S. Food and Drug Administration for treatment of anemia associated with chronic kidney disease (CKD) in adult patients on dialysis. On February 23, 2013, Affymax and Takeda issued a press release indicating that they were recalling all batches of peginesatide from the market. On June 16, 2014, Affymax and Takeda issued a press release stating that Takeda will work with the FDA to withdraw the peginesatide New Drug Application. Two randomized controlled trials published in 2013 found that the effectiveness of peginesatide was not inferior to epoetin for patients receiving dialysis (the EMERALD study), or to darbepoetin for patients with chronic kidney disease who were not receiving dialysis (the PEARL study). However, the safety endpoint of cardiovascular events and death was worse for peginesatide than for darbepoetin in the PEARL study.

  • Reticulocyte production index


    Reticulocyte Erythrocyte The reticulocyte production index (RPI), also called a corrected reticulocyte count (CRC), is a calculated value used in the diagnosis of anemia. This calculation is necessary because the raw reticulocyte count is misleading in anemic patients. The problem arises because the reticulocyte count is not really a count but rather a percentage: it reports the number of reticulocytes as a percentage of the number of red blood cells. In anemia, the patient's red blood cells are depleted, creating an erroneously elevated reticulocyte count.

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