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Logo of annrheumdAnnals of the Rheumatic DiseasesVisit this articleSubmit a manuscriptReceive email alertsContact usBMJ
 
Ann Rheum Dis. 2004 March; 63(3): 321–323.
PMCID: PMC1754922

Combined intravenous methotrexate and cyclophosphamide for refractory childhood lupus nephritis

Abstract

Methods: Five children were treated with nine monthly doses of IV CYTX (750–1000 mg/m2/month) and IV MTX (50–300 mg/m2/month) given on the same day. Their clinical and laboratory measurements were collected every other week throughout the nine months.

Results: All children improved dramatically. SLEDAI scores decreased from an average of 13.8 to 4.4, mean (SD) serum creatinine level fell from 100 (60) to 80 (40) µmol/l, and serum albumin rose from 28 (11) g/l to 41 (6) g/l, while the mean (SD) C3 level increased from 0.5 (0.1) g/l to 0.9 (0.4) g/l. Clinical improvement persisted after 4 years' follow up despite discontinuing MTX and CYTX after 9 months. The average daily dose of corticosteroids has been reduced from 27.6 mg/day at the start of treatment to 12.5 mg/day at follow up.

Conclusion: Combined IV MTX and IV CYTX treatment effectively controls recurrent or refractory lupus nephritis in children with significant disease activity after treatment with IV CYTX alone.

Figure 1
Average SLEDAI score before and after treatment.
Figure 2
Change in daily prednisone dose before and after treatment.

Articles from Annals of the Rheumatic Diseases are provided here courtesy of BMJ Group