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. 2023 Mar 16;14:1146848. doi: 10.3389/fphar.2023.1146848

FIGURE 4.

FIGURE 4

Metabolism of baclofen’s enantiomers in naïve males and female rats. The 3 Baclofen forms were i.p. injected randomly at the dose of 1.5 mg/kg and blood was collected 30 and 240 min after the administration. HPLC analysis was used to analyze the concentration of the enantiomers (AC), and the metabolite 3-(4-Chlorophenyl)-4-hydroxybutyric acid (DF). The ratio metabolite over enantiomers concentrations was then calculated (GI). Results are expressed as Mean ± SEM of blood concentrations in ng/mL. For (A,D,G) males n = 5; females n = 10. For (B,E,H) males n = 8; females n = 9. For (C,F,I) males n = 6; females n = 9. For clarity purpose we did not depict the significant differences we found for all the comparisons between the 2 timepoints within each sex group. *p < 0.05, **p < 0.01 and ***p < 0.001.