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Published on: June 23, 2015
Future treatment strategies in phenylketonuria
Francjan J van Spronsen1, Gregory M Enns
1Section of Metabolic Diseases, Beatrix Children's Hospital, University Medical Centre of Groningen, PO Box 30.001, 9700 RB, Groningen, The Netherlands. f.j.van.spronsen@bkk.umcq.nl
Phenylketonuria (PKU) treatment prevents brain damage with early low-phenylalanine diets. New strategies like enzyme, gene, and cellular therapies aim to further improve outcomes for PKU patients facing dietary adherence and cognitive challenges.
Area of Science:
- Biochemistry
- Genetics
- Metabolic Disorders
Background:
- Phenylketonuria (PKU) is an inherited metabolic disease.
- Early diagnosis via neonatal screening and low-phenylalanine (Phe) diet prevents severe brain damage.
- Challenges remain, including dietary adherence and neurocognitive deficits.
Purpose of the Study:
- To review novel treatment strategies for PKU.
- To discuss emerging therapies based on PKU's biochemistry and pathogenesis.
Main Methods:
- Review of current and emerging PKU treatments.
- Analysis of biochemical and pathogenetic considerations for therapeutic development.
Main Results:
- Established treatments include low-Phe diets and medical foods.
- Novel therapies in clinical use or trials include glycomacropeptide, large neutral amino acids, tetrahydrobiopterin, and enzymatic approaches.
- Preclinical research focuses on gene and cellular therapies.
Conclusions:
- New PKU treatments target various levels: nutrition, gut, liver, and blood-brain barrier.
- These strategies hold promise for improving outcomes in PKU patients.
- Continued research is essential for advancing PKU management.
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