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Arthritis Rheum. 2000 Aug;43(8):1836-40.

Use of methotrexate and glucocorticoids in the treatment of Wegener's granulomatosis. Long-term renal outcome in patients with glomerulonephritis.

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1
National Institute of Allergy and Infectious Disease, NIH, Bethesda, Maryland, USA.

Abstract

OBJECTIVE:

To determine the long-term renal outcome in patients with Wegener's granulomatosis (WG) and active glomerulonephritis who were treated with methotrexate (MTX) and glucocorticoids.

METHODS:

An open-label, prospective standardized trial using weekly low-dose MTX and glucocorticoids for the treatment of WG was performed. Forty-two patients were enrolled into the study, of whom 21 had active glomerulonephritis as a disease manifestation. The mean pretreatment level of serum creatinine in the patients with glomerulonephritis was 1.4 mg/dl. The extent of renal function in these patients at the time of their last followup was subsequently examined.

RESULTS:

Overall, 20 of 21 patients achieved renal remission. At 1 month and 6 months following study entry, the serum creatinine level in all patients either remained stable or improved. The 20 patients have now been followed up for a median time of 76 months (range 20-108 months). Only 2 patients have had a rise of >0.2 mg/dl in their creatinine level from the time of enrollment to the most recent followup examination. Of the remaining 18 patients, 12 have had stable renal function and 6 have had improvement in their creatinine levels by more than 0.2 mg/dl.

CONCLUSION:

In this study, the use of MTX and prednisone as initial therapy for patients with WG-related glomerulonephritis and a normal or near-normal level of serum creatinine was not associated with a long-term decline in renal function.

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