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Zellweger spectrum disorders: clinical overview and management approach
Femke C C Klouwer1,2, Kevin Berendse3,4, Sacha Ferdinandusse5
1Department of Paediatric Neurology, Emma Children's Hospital, Academic Medical Center, University of Amsterdam, Meibergdreef 9, PO BOX 22660, 1105 AZ, Amsterdam, The Netherlands. f.c.klouwer@amc.uva.nl.
Insights
Zellweger spectrum disorders (ZSDs) are peroxisomal biogenesis disorders. This review details current supportive care and management recommendations for ZSD patients, as no cure exists.
Area of Science:
- Biochemistry
- Genetics
- Pediatrics
Background:
- Zellweger spectrum disorders (ZSDs) are a significant group of peroxisomal biogenesis disorders.
- These disorders stem from defects in PEX genes, leading to impaired peroxisome function.
- ZSDs present a clinical and biochemical continuum with varied phenotypes, from severe neonatal to mild adult presentations.
Purpose of the Study:
- To review the management strategies for Zellweger spectrum disorders.
- To provide recommendations for supportive therapeutic options for ZSD patients.
- To aid healthcare professionals in caring for individuals with ZSDs.
Main Methods:
- Literature review of existing studies on Zellweger spectrum disorders.
- Analysis of clinical and biochemical data related to ZSD phenotypes.
- Synthesis of current knowledge on supportive care and management.
Main Results:
- ZSDs result in metabolic abnormalities detectable in blood and urine.
- No curative therapy is currently available for ZSDs.
- Supportive care is the primary approach to managing ZSDs.
Conclusions:
- Effective management of ZSDs relies on comprehensive supportive care.
- Recommendations are provided to guide therapeutic options for ZSD patients.
- Further research into ZSDs may improve patient outcomes.
Abstract:
Zellweger spectrum disorders (ZSDs) represent the major subgroup within the peroxisomal biogenesis disorders caused by defects in PEX genes. The Zellweger spectrum is a clinical and biochemical continuum which can roughly be divided into three clinical phenotypes. Patients can present in the neonatal period with severe symptoms or later in life during adolescence or adulthood with only minor features. A defect of functional peroxisomes results in several metabolic abnormalities, which in most cases can be detected in blood and urine. There is currently no curative therapy, but supportive care is available. This review focuses on the management of patients with a ZSD and provides recommendations for supportive therapeutic options for all those involved in the care for ZSD patients.
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