Clinical Study

Amino Acid Medical Foods Provide a High Dietary Acid Load and Increase Urinary Excretion of Renal Net Acid, Calcium, and Magnesium Compared with Glycomacropeptide Medical Foods in Phenylketonuria

Table 4

Plasma cytokine concentrations in participants with phenylketonuria consuming AA-MF compared to a general population.

Cytokine, pg/mLComparison group
Phenylketonuria1General population2

IL-1β3.2 (2.5–3.4)2.6 (0.8–3.9)0.0085
IL-1727 (14–35)21.1 (6.5–38.5)0.0411
TNF-α40 (30–46)35.3 (14.2–61.7)0.0359
IL-128.2 (5.6–12.1)15.8 (8.6–27.2)<0.0001
IFN-γ93 (78–110)77.1 (48.4–127.6)0.0002
IL-67.7 (6.2–9.3)4.6 (1.1–10.8)<0.0001
IL-1010 (7.2–15)4.3 (2.4–6.6)<0.0001

1Values are the median (25th–75th quartile), based on 3 determinations over 8–12 wks in participants with phenylketonuria consuming AA-MF (). Statistical analysis was performed using PROC UNIVARIATE to compare sample median values with the population median.
2Population median reference values based on male and female participants, [24]. AA-MF, amino acid medical foods.