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Perinatal asphyxia-induced brain injury is one of the most common causes of morbidity and mortality in term and preterm neonates, accounting for 23% of neonatal deaths globally. Although many neuroprotective strategies appeared promising in animal models, most of them have failed clinically. Erythropoietin (EPO) is an endogenous cytokine originally identified for its role in erythropoiesis. Clinical trial has demonstrated the safety and efficacy of recombinant human erythropoietin (r-hu-EPO) in the prevention or treatment of anemia of prematurity. To date, there are no reports evaluating possible effects of EPO on neonatal HIE.
Hypoxic-ischemic encephalopathy of the newborn infant remains a significant socio-economic health problem worldwide. Moderate to severe HIE of newborn infants is associated with a high rate of death or long-term disabilities. Historically, treatment has been purely supportive including stabilizing cardio-respiratory functions and treating convulsions.Recent multi-center trials assessing the effects of hypothermia demonstrated improved outcome in term neonates with moderate hypoxic-ischemic encephalopathy (HIE). However, hypothermia was not effective beyond 6 hrs after brain injury.
Systemically administered EPO was neuroprotective in neonatal brain injury models. Clinical study on adult stroke showed improved outcome. However, treating HIE with EPO raises a series of questions such as: i) Can the patient population of this study readily be compared with those in the hypothermia trials? ii) What are the pharmacokinetics of EPO, including issues of dosage and timing, and does administered EPO cross the blood-brain-barrier? iii) How does the effectiveness, side effects and potentials of EPO therapy compare with induced hypothermia?
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Prevention
recombinant human erythropoietin
NICU, the Third Affiliated Hospital, Zhengzhou University
Published on BioPortfolio: 2014-08-27T03:25:37-0400
Perinatal hypoxic-ischaemic encephalopathy occurs in one to three infants per 1000 term births, and up to 12 000 infants are affected each year in the united state of America. Hypoxic isch...
Double-blind, placebo controlled Phase III trial of erythropoietin for hypoxic ischaemic encephalopathy in infants receiving hypothermia. The study aim is to determine whether Epo in conju...
Hypoxic-ischemic encephalopathy (HIE) occurs when a baby gets reduced blood flow and oxygen to the brain near the time of birth. This results in death or neurologic disabilities including ...
The purpose of this study is to determine the safety and pharmacokinetics of moderate to high doses of erythropoietin in newborn infants with birth asphyxia.
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In the Neonatal Erythropoietin and Therapeutic Hypothermia Outcomes study, 9/20 erythropoietin-treated vs 12/24 placebo-treated infants with hypoxic-ischemic encephalopathy had acute brain injury. Amo...
High-dose erythropoietin (Epo) is a promising neuroprotective treatment in neonates with hypoxic ischemic encephalopathy (HIE) receiving hypothermia. We evaluated the pharmacokinetics and dose-exposur...
Perinatal management and prognostic value of clinical evaluation and diagnostic tools have changed with the generalization of therapeutic hypothermia (TH) in infants with hypoxic-ischemic encephalopat...
The objectives are to 1) determine whether there is a positive correlation between the severity of hypoxic-ischemic encephalopathy and multiple organ dysfunction and 2) evaluate the organ dysfunction ...
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This recombinant erythropoietin, a 165-amino acid glycoprotein (about 62% protein and 38% carbohydrate), regulates red blood cell production. Epoetin alfa is produced by Chinese hamster ovary cells into which the human erythropoietin gene has been inserted. (USP Dictionary of USAN and International Drug Names, 1996).
The application of repeated, brief periods of vascular occlusion at the onset of REPERFUSION to reduce REPERFUSION INJURY that follows a prolonged ischemic event. The techniques are similar to ISCHEMIC PRECONDITIONING but the time of application is after the ischemic event instead of before.
Cell surface proteins that bind erythropoietin with high affinity and trigger intracellular changes influencing the behavior of cells.
A nitroimidazole that sensitizes normally radio-resistant hypoxic cells to radiation. It may also be directly cytotoxic to hypoxic cells and has been proposed as an antineoplastic.
ERYTHROPOIETIN prepared by recombinant DNA technology.
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