Indomethacin and the nephrotic syndrome

Area of Science:

• Nephrology
• Pharmacology

Background:

• Membranous nephropathy and nephrotic syndrome cause significant proteinuria and edema.
• Current treatments may require diuretic therapy and salt restriction.

Observation:

• Indomethacin administration (2 mg/kg/day) led to reduced urinary protein excretion and edema.
• Urinary levels of prostaglandin E (PGE) and F (PGF) decreased alongside proteinuria.

Findings:

• Indomethacin therapy effectively reduced proteinuria and edema in patients with nephrotic syndrome.
• The reduction in urinary protein loss was associated with decreased urinary PGE and PGF levels.
• Discontinuation of indomethacin increased proteinuria and urinary PGE, which reversed upon re-administration.

Implications:

• Indomethacin shows promise for managing proteinuria and edema in select nephrotic syndrome cases.
• The findings suggest a role for prostaglandin modulation in the treatment of nephrotic syndrome.