Follow up of phenylketonuria patients

M Demirkol1, M Giżewska, M Giovannini

  • 1Div Nutrition and Metabolism, Children's Hospital, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey. demirkolm@istanbul.edu.tr

Insights

Lifelong blood phenylalanine control is crucial for phenylketonuria (PKU) patients

Area of Science:

  • Metabolic disorders and genetic conditions.

Background:

  • Phenylketonuria (PKU) management requires lifelong blood phenylalanine (phe) control for optimal neuropsychological outcomes.
  • Adolescents and young adults face challenges in adhering to PKU follow-up strategies.
  • Emerging therapies may alleviate the strict dietary phe restrictions for PKU patients.

Purpose of the Study:

  • To review and update PKU follow-up guidelines.
  • To address critical aspects of PKU management, including nutrition, metabolic control, and long-term health.
  • To improve the transition to adulthood for individuals with PKU.

Main Methods:

  • Review of current PKU follow-up policies and recent therapeutic advancements.
  • Analysis of challenges in patient compliance and long-term management.
  • Identification of unmet needs in the PKU population.

Main Results:

  • Understanding of lifelong phe control's importance for neuropsychological outcomes has grown.
  • Compliance remains a significant challenge, particularly in adolescents and young adults.
  • New therapies offer potential to reduce dietary burdens.

Conclusions:

  • Revisiting PKU follow-up guidelines is timely to incorporate new knowledge and therapies.
  • Guidelines should address breastfeeding, metabolic control, nutritional biomarkers, neurocognitive and psychological assessments, bone health, and adult transition.
  • Addressing unmet needs is essential for improving PKU patient outcomes.

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