Studies

CellWell record HH-199914

Effects of a Prolonged-Release Protein Substitute on 24-h Phenylalanine and Tyrosine Profiles in Phenylketonuria: A Randomized Crossover Study

Valentina Rovelli; Graziella Cefalo; Alice Re Dionigi; Annalisa Finizii; Sabrina Paci; Juri Zuvadelli; Giuseppe Banderali

2026

In plain language

A prolonged-release amino acid protein substitute lowered 24-hour blood phenylalanine and raised tyrosine levels compared with standard protein substitutes in adolescents and adults with phenylketonuria.

Evidence
Established
Design
Randomized controlled trial

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