Effect of etodolac in patients with moderate renal impairment compared with normal subjects.

Twenty subjects (10 with normal renal function and 10 with moderate renal insufficiency) participated in an 8-day study to assess the effects of acute and chronic etodolac dosing on renal function. Subjects and patients were hospitalized and followed a controlled diet (150 mEq sodium, 60 to 80 mEq potassium) during the study. A 3-day drug-free period was followed by 4 days of etodolac, 200 mg b.i.d. Sodium balance and body weight remained unchanged in both groups. Modest reductions in renal function as measured by clearances of inulin and p-aminohippurate occurred acutely only in the patients with renal impairment. Chronic therapy resulted in no decrements in daily creatinine clearance. In an average effective anti-inflammatory dose, etodolac did not produce a sustained effect on renal function in either normal subjects or patients with moderate renal insufficiency.