“RESULTS Intravenous infusion of pe toxifylline in the postabsorptive state (1 mg/kg within 3 hours) decreased the intracellular leu cine Ra from proteolysis by -16% +/- 4% versus -3% +/- 2% of saline (P = 0.02) and leucine oxidation by -16% +/- 4% versus +4% +/- 2% of saline (P = 0.003).”