Den daglige gennemsnitlige (+ SD) tolerable forøgelse i fenylalaninindtaget via kosten var 17, 513 + 13, 268 mg/ kg i gruppen behandlet med sapropterindihydrochlorid 20 mg/ kg daglig sammenlignet med 3, 259 + 5, 291 mg/ kg for placebogruppen (p = 0, 006).
The mean ± SD increase in dietary phenylalanine tolerance was 17.513 ±13.268 mg/ kg/ day for the group treated with sapropterin dihydrochloride 20 mg/ kg/ day, compared to 3.259 ± 5.291 mg/ kg/ day for the placebo group (p = 0.006).