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Genet Med. 2010 Sep;12(9):539-43. doi: 10.1097/GIM.0b013e3181e85721.

Weighing the evidence for newborn screening for early-infantile Krabbe disease.

Author information

  • 1Department of Pediatrics and Duke Clinical Research Institute, Duke University, Durham, North Carolina 27705, USA. alex.kemper@duke.edu

Abstract

PURPOSE:

To summarize the evidence regarding screening, diagnosis, and treatment of early-infantile Krabbe disease in consideration of its addition to the core panel for newborn screening as has been done in New York state.

METHODS:

Systematic review of articles indexed in MEDLINE and Embase published between January 1988 and July 2009. Thirteen articles describing studies related to screening, diagnosis, or treatment were included in this review.

RESULTS:

Case series studies suggest that allogeneic hematopoietic stem-cell transplantation soon after the development of signs or symptoms of early-infantile Krabbe disease decreases early-childhood mortality and may improve neurodevelopment. However, limited data suggest there may be loss of motor function among some children who undergo transplantation. No long-term follow-up data are available from these case series. Of the ∼550,000 newborns reported to have been screened in New York, 25 tested positive. None of these were clinically recognized to have Krabbe disease prior these results. Four were considered to be high risk for early-onset Krabbe disease. Two were subsequently diagnosed and underwent stem-cell transplantation, of whom one died from complications. No data are available regarding the impact on families of a positive newborn screen.

CONCLUSIONS:

Although early treatment with hematopoietic stem-cell transplant seems to alter early-childhood mortality and some of the morbidity associated with early-infantile Krabbe disease, significant gaps in knowledge exist regarding the accuracy of screening, the strategy for establishing diagnosis, the affect of a positive screen on families, the benefits and harms of treatment, and long-term prognosis.

PMID:
20601893
[PubMed - indexed for MEDLINE]
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