Anemia in chronic kidney disease.
Study Goal
The researchers aimed to evaluate the role of Erythropoiesis-Stimulating Agents (ESAs) in managing anemia in children with chronic kidney disease (CKD) and explore challenges in maintaining hemoglobin levels.
Results Summary
The study found that while ESAs and iron supplementation are core treatments for anemia in children with CKD, many remain anemic despite therapy. Higher ESA doses in adults have been linked to adverse outcomes, but this association has not been studied in children. Novel therapies may offer alternatives, but their safety and efficacy in pediatric CKD are unassessed.
Population
Children with chronic kidney disease (CKD).
Effective Dosage
Not specified
Duration
Not specified
Interactions
None mentioned
| Intervention | Direction | Endpoint | Population | Dosage | Impact | Claim # |
|---|---|---|---|---|---|---|
erythropoiesis-stimulating agents (ESA) | neutral | anemia | children with chronic kidney disease (CKD) | - | remain core components of anemia management | #1 |
iron supplementation | neutral | anemia | children with chronic kidney disease (CKD) | - | remain core components of anemia management | #2 |
erythropoiesis-stimulating agents (ESA) | no change | anemia | children with chronic kidney disease (CKD) | - | a substantial number of children remain anemic despite these therapies | #3 |
iron supplementation | no change | anemia | children with chronic kidney disease (CKD) | - | a substantial number of children remain anemic despite these therapies | #4 |
escalating ESA dose to target higher hemoglobin | increase | adverse outcomes | adults | - | has been associated with adverse outcomes | #5 |
iron supplementation | increase | response to ESAs | - | - | judicious use can enhance the response to ESAs | #6 |
hypoxia-inducible factor stabilizers | neutral | anemia management | - | - | have been developed and may offer options for alternative anemia management | #7 |
prolyl hydroxylase inhibitors | neutral | anemia management | - | - | have been developed and may offer options for alternative anemia management | #8 |
dialysate-delivered iron supplements | neutral | anemia management | - | - | have been developed and may offer options for alternative anemia management | #9 |
Anemia is common and associated with adverse outcomes in children with chronic kidney disease (CKD). Many factors contribute to declining hemoglobin as CKD progresses, but impaired production of erythropoietin by failing kidneys is a central cause. Hepcidin-mediated iron restriction also contributes to anemia by downregulating both intestinal iron absorption and release of stored iron for erythropoiesis. The core components of anemia management remain erythropoiesis-stimulating agents (ESA) and iron supplementation, but despite these therapies, a substantial number of children remain anemic. Although escalating ESA dose to target higher hemoglobin has been associated with adverse outcomes in adults, no trials have investigated this association in children, and maintaining hemoglobin levels in a narrow range with conservative ESA dosing is challenging. Judicious use of iron supplementation can enhance the response to ESAs, but the iron storage markers most commonly used in clinical practice have limitations in distinguishing which patients will benefit most from additional iron. Several novel anemia therapies, including hypoxia-inducible factor stabilizers, prolyl hydroxylase inhibitors, and dialysate-delivered iron supplements, have been developed and may offer options for alternative anemia management. However, the safety and efficacy of these agents in children with CKD has yet to be assessed.