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. 2015 Oct 1;2015(10):CD008840.
doi: 10.1002/14651858.CD008840.pub4.

Newborn screening for homocystinuria

John H Walter  1 , Nikki Jahnke, Tracey Remmington
Affiliations

Newborn screening for homocystinuria

John H Walter et al. Cochrane Database Syst Rev. .

Abstract

Background: Homocystinuria is a rare inherited disorder due to a deficiency in cystathionine beta synthase. Individuals with this condition appear normal at birth but develop serious complications in childhood. Diagnosis and treatment started sufficiently early in life can effectively prevent or reduce the severity of these complications. This is an update of a previously published review.

Objectives: To determine if newborn population screening for the diagnosis of homocystinuria due to cystathionine beta synthase deficiency leads to clinical benefit compared to later clinical diagnosis.

Search methods: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group's Inborn Errors of Metabolism Trials Register.Date of the most recent search of the Inborn Errors of Metabolism Register: 08 June 2015.

Selection criteria: Randomised controlled trials and controlled clinical trials assessing the use of any neonatal screening test to diagnose infants with homocystinuria before the condition becomes clinically evident. Eligible studies compare a screened population versus a non-screened population.

Data collection and analysis: No studies were identified for inclusion in the review.

Main results: No studies were identified for inclusion in the review.

Authors' conclusions: We were unable to identify eligible studies for inclusion in this review and hence it is not possible to draw any conclusions based on controlled studies; however, we are aware of uncontrolled case-series which support the efficacy of newborn screening for homocystinuria and its early treatment. Any future randomised controlled trial would need to be both multicentre and long term in order to provide robust evidence for or against screening and to allow a cost effectiveness analysis to be undertaken.

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Conflict of interest statement

John Walter: received honorariums for educational work for Recordarti Rare Diseases Foundation.

Nikki Jahnke: none known.

Tracey Remmington: none known.

Update of

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References to other published versions of this review

Walter 2011
    1. Walter JH, Jahnke N, Remmington T. Newborn screening for homocystinuria. Cochrane Database of Systematic Reviews 2011, Issue 8. Art. No: CD008840. [DOI: 10.1002/14651858.CD008840.pub2] - DOI - PubMed
Walter 2013
    1. Walter JH, Jahnke N, Remmington T. Newborn screening for homocystinuria. Cochrane Database of Systematic Reviews 2013, Issue 8. Art. No: CD008840. [DOI: 10.1002/14651858.CD008840.pub3] - DOI - PubMed

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