Pediatric IgA Nephropathy Medication
- Author: Mohammad Ilyas, MD, FAAP; Chief Editor: Craig B Langman, MD more...
Medication Summary
The risks and benefits of immunoglobulin A (IgA) nephropathy (IgAN) treatment with steroids, fish oil, ACE inhibitors, or ARB and immunosuppressant (eg, mycophenolate mofetil) should be discussed with patients and parents. These agents theoretically may protect the kidney and prolong the interval between onset and renal failure.
Anti-inflammatory and immunosuppressive agents
Class Summary
These agents elicit anti-inflammatory and immunosuppressive properties and cause profound and varied metabolic effects. They modify the body's immune response to diverse stimuli and reduce immune-mediated renal injury resulting from IgA deposition in the kidney.
Prednisone (Deltasone) or methylprednisolone (Solu-Medrol)
Potent anti-inflammatory and immunosuppressive therapy with corticosteroids has been reported to reduce the rate of progression of IgAN.
Fish oil
Class Summary
Several investigators have suggested that fish oil delays the progression of renal disease. The precise mechanism is not fully understood.
Omega-3 polyunsaturated fatty acid (Promega, Lovaza)
May be beneficial by decreasing mediators of glomerular injury and decreasing platelet aggregation. Omega-3 fatty acids may be used as nondrug dietary supplements in early high-risk coronary disease and IgAN.
Angiotensin-converting enzyme (ACE) inhibitors
Class Summary
In 1980, captopril became the first ACE inhibitor approved by the US Food and Drug Administration. Subsequently, at least 40 compounds have been identified. ACE inhibitors reduce the production of angiotensin II, thereby, lowering intraglomerular filtration pressure, reducing proteinuria, and slowing the decline of glomerular function in several chronic renal diseases. All ACE inhibitors probably have similar renal protective effects.
Enalapril (Vasotec)
Prevents conversion of angiotensin I to angiotensin II, a potent vasoconstrictor, resulting in increased levels of plasma renin and a reduction in aldosterone secretion.
Angiotensin Receptor Antagonist
Class Summary
Angiotensin II receptor antagonists may be considered if ACE inhibitors are not tolerated.
Losartan (Cozaar)
Angiotensin II receptor antagonist that blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II. May induce a more complete inhibition of the renin-angiotensin system than ACE inhibitors, does not affect the response to bradykinin, and is less likely to be associated with cough and angioedema. For patients unable to tolerate ACE inhibitors.
Angiotensin II receptor blockers reduce blood pressure and proteinuria, protecting renal function, and delaying onset of end-stage renal disease.
Immunosuppressant Agent
Class Summary
Limited data exist for use of mycophenolate mofetil (MMF). A short course (< 6 months) of MMF in patients with persistent proteinuria (>1.5 g/d) and well-maintained renal function (serum creatinine < 1.5 mg/dL) despite maximum ACE inhibitor/ARB therapy may be considered in patients with mild renal histopathology on biopsy.
Mycophenolate (CellCept)
Inhibits inosine monophosphate dehydrogenase (IMPDH) and suppresses de novo purine synthesis by lymphocytes, thereby inhibiting their proliferation. Inhibits antibody production.
Two formulations are available and are not interchangeable. The original formulation, mycophenolate mofetil (MMF, Cellcept) is a prodrug that once hydrolyzed in vivo, releases the active moiety mycophenolic acid. A newer formulation, mycophenolic acid (MPA, Myfortic) is an enteric-coated product that delivers the active moiety.
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