THE EFFECTS ON RENAL ACTIVITY OF THE ORAL ADMINISTRATION OF PHLORIZIN IN MAN

Abstract
Simultaneous clearances were determined of urea, xylose and creatinine in normal man, before phlorizin, and in addition glucose clearance after phlorizin administration. The phlorizin (150-400 mgm. per kgm.) was administered orally. Following the larger doses there was a significant depression of the urea, xylose and creatinine clearances. There were no lasting toxic effects. The oral administration of phlorizin produced a transient glycuresis, but the largest dose (approximately 32 gm. administered in divided doses over a period of 3 hrs.) was insufficient to raise the glucose clearance to the level of the xylose clearance, nor did it significantly depress the creatinine-xylose ratio.

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