Abstract
The oral absorption of flurbiprofen, an antiinflammatory nonsteroidal compound, was compared in the fasted vs the fed state. When ingested as an aqueous solution of the sodium salt, absorption kinetics followed a monoexponential pattern in half of the subjects and a bimodal pattern with a lag time before the onset of the second phase of absorption in the other half of the subjects. When ingested in the free acid form as a tablet either with water (fasted state) or with water 15 min after 330 ml of apple juice (fed state), flurbiprofen absorption was always bimodal, and the lag time before the onset of the second phase was shown to be dependent on the gastric emptying time (r = 0.623, P < 0.01). The gastric emptying times were significantly longer when the drug was administered in the fed state (average GET = 57 min in the fasted state and 102 min in the fed state; P < 0.01). These results suggest that gastric emptying effects are one important way in which absorption of drugs can be affected by meal intake.
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Dressman, J.B., Berardi, R.R., Elta, G.H. et al. Absorption of Flurbiprofen in the Fed and Fasted States. Pharm Res 9, 901–907 (1992). https://doi.org/10.1023/A:1015800932454
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DOI: https://doi.org/10.1023/A:1015800932454