1 Minimum, maximum 1.3, 4.9 3, 30 38.5, 218.4 12.7, find more 55.2 0.25, 1.3 8.9, 34.7 Summary of d-MPH pharmacokinetic parameters, pharmacokinetic population MPH alone N 38 38 32 32 32 32 Mean [SD] 9.9
[2.8] 6.9 [1] 102.8 [34.6] 3.9 [0.7] 5.1 [1.7] 28.8 [11.6] Median 10.1 6 100.2 3.8 4.9 24.1 Minimum, maximum 5.1, 16.0 6, 8.1 50.2, 216.3 2.9, 5.7 2.2, 8.7 15.9, 71.3 GXR + MPH N 37 37 32 32 32 32 Mean [SD] 9.5 [2.9] 7.4 [1.3] 100.5 [33] 4.1 [0.6] 5.0 [1.4] 28.6 [7.1] Median 8.8 8 94.9 4 5.2 28.5 Minimum, maximum 5.4, 18.2 6, 12 57.6, 215.7 3.1, 5.3 2.2, 7.2 15.2, 40.2 Summary of l-MPH pharmacokinetic parameters, pharmacokinetic population MPH alone N 38 13 38 0 0 0 Mean [SD] 0.2 [0.3] 6.5 [0.9] 0.5 [0.9] – – – Median 0 6 0
– – – Minimum, maximum 0, 0.9 6, 8 0, 4.2 – – – GXR + MPH N 37 9 37 0 0 0 Mean [SD] 0.2 [0.5] 6.4 [0.9] 0.7 [2.0] – – – Median 0 6 0 – – – Minimum, maximum 0, 2.6 6, 8 0, 11 – – – AUC ∞ area under the plasma concentration–time curve extrapolated to infinity, CL/F apparent oral-dose clearance, C max maximum plasma concentration, GXR guanfacine extended release, MPH methylphenidate hydrochloride, SD standard deviation, t ½ apparent elimination half-life, t max time to Cmax, V λz /F apparent volume of distribution during the terminal phase after oral administration The mean plasma guanfacine concentrations PD-1/PD-L1 mutation following administration of GXR alone and in combination with MPH are shown in Fig. 1. Unoprostone No noteworthy differences in guanfacine Cmax, AUC∞, and bodyweight-normalized CL/F and Vλz/F were noted after administration of GXR alone or in combination with MPH. The 90 % CIs of the GMRs for Cmax and AUC∞ for guanfacine following GXR alone or
in combination with MPH met strict bioequivalence criteria requiring 90 % CIs to fall within the interval of 0.80–1.25 (Cmax GMR 1.065, 90 % CI 0.945–1.200; AUC∞ GMR 1.109, 90 % CI 0.997–1.235), indicating that GXR alone and GXR in combination with MPH met the criteria for bioequivalence. Fig. 1 Mean plasma guanfacine concentrations over time following administration of guanfacine extended release (GXR) alone and in combination with methylphenidate hydrochloride (MPH). A time shift has been applied to the figure; values have been slightly staggered on the x-axis for clarity, as some values were similar between the two treatment regimens The mean plasma concentrations of d-MPH following administration of MPH alone and in combination with GXR are shown in Fig. 2. Maximum plasma concentrations of d-MPH were observed at a median of 6 h when MPH was administered alone and at 8 h when MPH was administered in combination with GXR (Table 2). Cmax, AUC∞, and bodyweight-normalized CL/F and Vλz/F results for d-MPH were similar after administration of MPH alone and in combination with GXR.