Efter 3 ugers behandling med sapropterindihydrochlorid 20mg/ kg daglig var fenylalaninniveauerne i blodet reduceret signifikant; den gennemsnitlige reduktionen i baseline niveauet (+ SD) var 148, 5 + 134, 2 µmol/ L (p < 0, 001).
After 3 weeks of treatment with sapropterin dihydrochloride 20 mg/ kg/ day, blood phenylalanine levels were significantly reduced; the mean ± SD decrease from baseline in blood phenylalanine level within this group was 148.5 ±134.2 μ mol/ l (p < 0.001).