Title : Trimethoprim alters the disposition of procainamide and N-acetylprocainamide.

Pub. Date : 1988 Oct

PMID : 2458879






6 Functional Relationships(s)
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1 Concomitant trimethoprim significantly increased the plasma AUC(0-12) of both procainamide and NAPA (63% and 52%, respectively), with concurrent decreases in their renal clearances (47% and 13%, respectively) and a 39% increase in the mean urinary recovery of NAPA (as percentage of procainamide and NAPA recovery). Trimethoprim NSF attachment protein alpha Homo sapiens
2 Concomitant trimethoprim significantly increased the plasma AUC(0-12) of both procainamide and NAPA (63% and 52%, respectively), with concurrent decreases in their renal clearances (47% and 13%, respectively) and a 39% increase in the mean urinary recovery of NAPA (as percentage of procainamide and NAPA recovery). Trimethoprim NSF attachment protein alpha Homo sapiens
3 Concomitant trimethoprim significantly increased the plasma AUC(0-12) of both procainamide and NAPA (63% and 52%, respectively), with concurrent decreases in their renal clearances (47% and 13%, respectively) and a 39% increase in the mean urinary recovery of NAPA (as percentage of procainamide and NAPA recovery). Trimethoprim NSF attachment protein alpha Homo sapiens
4 The change in procainamide and NAPA renal clearances after trimethoprim coadministration strongly correlated with their baseline renal clearances (r = 0.84 and r = 0.74, respectively, p less than 0.0001). Trimethoprim NSF attachment protein alpha Homo sapiens
5 We conclude that trimethoprim increases the plasma concentrations of procainamide and NAPA by decreasing their renal clearances and allowing more conversion of procainamide to NAPA. Trimethoprim NSF attachment protein alpha Homo sapiens
6 We conclude that trimethoprim increases the plasma concentrations of procainamide and NAPA by decreasing their renal clearances and allowing more conversion of procainamide to NAPA. Trimethoprim NSF attachment protein alpha Homo sapiens