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Published on: March 14, 2017
Effect of short-term erythropoietin therapy in anemic premature infants
Pamela D Reiter1, Adam A Rosenberg, Robert Valuck
1Department of Pharmacy (P.D.R.), Center for Pediatric Medicine, The Children's Hospital, Denver, CO 80218, USA.
Insights
A 10-day course of subcutaneous recombinant human erythropoietin (rHuEpo) plus oral iron effectively improved hematocrit and reticulocyte counts in anemic premature infants. This treatment demonstrated potential for managing anemia in this vulnerable population.
Area of Science:
- Neonatal Medicine
- Pediatric Hematology
- Pharmacology
Background:
- Anemia of prematurity is common in very low birth weight infants.
- Current treatments often involve blood transfusions and iron supplementation.
- Erythropoietin therapy has shown promise in managing anemia in premature infants.
Purpose of the Study:
- To evaluate the efficacy of a 10-day subcutaneous recombinant human erythropoietin (rHuEpo) regimen combined with oral iron.
- To compare this regimen against oral iron alone in anemic premature infants during convalescence.
- To assess key hematological parameters and transfusion needs.
Main Methods:
- Prospective, randomized trial in a level III neonatal intensive care unit.
- Inclusion criteria: infants <32 weeks gestational age, hematocrit ≤28%, corrected reticulocyte count ≤5%, and diagnosed with anemia of prematurity.
- Primary outcomes: hematocrit, corrected reticulocyte count, and red cell transfusion requirements.
Main Results:
- Sixty infants were randomized (30 per group).
- The rHuEpo group showed significantly higher post-treatment hematocrit and corrected reticulocyte counts (p<0.001).
- A trend towards reduced red cell transfusion requirements was observed in the rHuEpo group.
Conclusions:
- The studied rHuEpo regimen led to acute improvements in hematocrit and reticulocyte counts in convalescent premature infants.
- While not statistically significant, a trend towards reduced transfusions was noted.
- The regimen effectively treats anemia in this specific patient population.
Objective:
To determine the effectiveness of a 10-day subcutaneous erythropoietin (rHuEpo) course of 300 units per kg per dose plus oral iron compared to oral iron alone in anemic infants during their convalescent phase of illness.
Study Design:
Prospective, randomized trial performed at a 40-bed, teaching, referral, level III, neonatal intensive care unit. Infants with a gestational age at birth of less than 32 weeks, hematocrit of less than or equal to 28% with a corrected reticulocyte count of less than or equal to 5%, postconceptual age of less than 48 weeks or 5 months chronological age, and a diagnosis of anemia of prematurity were considered for inclusion. Major outcome parameters included hematocrit, corrected reticulocyte count and red cell transfusion requirements.
Results:
A total of 60 infants were enrolled (n=30 per group). Infants randomized to rHuEpo had a significantly higher post-treatment hematocrit and corrected reticulocyte count than infants in the iron only group (p<0.001). There was a trend towards fewer red cell requirements in the rHuEpo group.
Conclusions:
The rHuEpo regimen studied here was associated with an acute improvement in hematocrit and corrected reticulocyte counts. This study did not demonstrate a statistically significant decrease in transfusion therapy, in part related to increased subsequent use of rHuEpo in the control group. Taken together, these data demonstrate that this regimen can effectively treat anemia in convalescent premature infants.
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