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Experience with levamisole in frequently relapsing, steroid-dependent nephrotic syndrome.

Abstract
This was a controlled prospective study on the use of an immunomodulator drug, levamisole, in the treatment of frequently relapsing, steroid-dependent (FR/SD) idiopathic nephrotic syndrome. The study was started on 1 January 2001 and completed on 31 December 2003. There were two groups: a treatment group who received levamisole (2.5 mg/kg) on alternate days for 1 year and a control group who received low-dose prednisolone only (<0.5 mg/kg) on alternate days for 1 year. There were a total of 56 patients (32 in the treatment group and 24 in the control group). The male to female ratio was 1.66:1 in both groups. The mean age upon initial diagnosis was 3.3 years in the levamisole group versus 4.3 years in the control group. The mean duration from diagnosis to the start of the second line treatment was 3.2 years in the levamisole group versus 2.8 years in the control group. The relapse rate and the total cumulative dose of prednisolone during the year prior to second line therapy was compared to that during the year following the institution of second line therapy in 56 patients. The mean relapse rate was reduced more significantly in the levamisole group. It was reduced by 0.29 versus 0.11 relapses/patient/month in the control group (P =0.0001). The mean cumulative dose of steroids was also reduced more significantly in the levamisole group. It was reduced by 293 versus 102 mg/m(2)/month in the control group (P <0.0001). Therapy failure was seen in 3/32 (9.4%) in the levamisole group versus 12/24 (50%) in the control group. Of the patients, 20/32 (62.5%) using levamisole were relapse-free in the follow-up year post therapy, while no patient was relapse-free in the control group over the same period. No major adverse effects of levamisole were seen. The cost of levamisole therapy was estimated to be US$ 25 per year for a 20-kg body weight child. Thus, we concluded that levamisole is a highly efficacious, safe and easily affordable initial therapy for FR/SD idiopathic nephrotic syndrome.
AuthorsK Al-Saran, K Mirza, G Al-Ghanam, M Abdelkarim
JournalPediatric nephrology (Berlin, Germany) (Pediatr Nephrol) Vol. 21 Issue 2 Pg. 201-5 (Feb 2006) ISSN: 0931-041X [Print] Germany
PMID16222548 (Publication Type: Controlled Clinical Trial, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Adjuvants, Immunologic
  • Glucocorticoids
  • Levamisole
  • Prednisolone
Topics
  • Adjuvants, Immunologic (therapeutic use)
  • Child, Preschool
  • Female
  • Glucocorticoids (therapeutic use)
  • Humans
  • Levamisole (therapeutic use)
  • Male
  • Nephrotic Syndrome (drug therapy)
  • Prednisolone (therapeutic use)
  • Prospective Studies
  • Recurrence

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