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Levamisole Therapy as a Second-line Immunosuppressive Agent in Corticosteroid-sensitive Nephrotic Syndrome in
Alia Abulrahim Al-Ibrahim1, Salah Mohammad Al-Kharraz, Dalal Meshari Al-Sadoon
1Suliemania Children′s Hospital, Riyadh, Saudi Arabia.
Insights
Levamisole combined with corticosteroids effectively reduced relapses in children with frequent relapsing or steroid-dependent nephrotic syndrome. This combination therapy proved safe and manageable, offering sustained remission in many patients.
Area of Science:
- Pediatric Nephrology
- Immunomodulatory Therapies
Background:
- Nephrotic syndrome in children often involves frequent relapses or steroid dependence.
- Conventional corticosteroid therapy can lead to significant side effects and treatment resistance.
Purpose of the Study:
- To evaluate the efficacy and safety of levamisole combined with corticosteroid therapy in pediatric nephrotic syndrome.
- To compare levamisole's effectiveness with cyclophosphamide in non-responsive cases.
Main Methods:
- Retrospective study of 24 children with frequent relapsing (FR) or steroid-dependent (SD) nephrotic syndrome.
- Analysis of relapse rates, remission duration, and side effects during combined levamisole-corticosteroid therapy and subsequent cyclophosphamide treatment.
Main Results:
- Combined therapy reduced relapse rates from 4 to 1.3 per year in 71% of patients.
- Levamisole was more effective than cyclophosphamide in patients over 2 years of age at disease onset.
- Side effects for both levamisole and cyclophosphamide were transient and manageable.
Conclusions:
- Levamisole is a safe and effective adjunctive therapy to corticosteroids for children with nephrotic syndrome.
- Further research is warranted to fully elucidate levamisole's role in managing pediatric nephrotic syndrome.
Abstract:
To evaluate the effect of levamisole therapy combined with corticosteroid in children with nephrotic syndrome and frequent relapses (FR) or steroid dependence (SD), we studied retrospectively 24 children (18 boys and six girls) with a mean age of 32 months. Eleven (46%) patients had FR and 13 (54%) had SD. Levamisole was used for a mean period of 8.5 months. The relapse rate decreased from a mean of 4 relapses/year during steroid therapy alone to 1.3 relapses/ year during the combined therapy in 17 (71%) of the patients. Remission was sustained, after discontinuing levamisole, for more than six months in 11 of the 17 responders (65%), and six patients relapsed after discontinuing levamisole. Seven of the 24 study patients (29%) had no response to levamisole. The seven patients who failed to respond to levamisole and the six initial responders who could not maintain remission after discontinuing the drug were treated with cyclophosphamide for 12 weeks. Eight of these patients (61.5%) had remission sustained for a mean duration of 10 months. The FR patients sustained remission for a longer period of time than SD patients in both groups. Levamisole was more effective than cyclophosphamide in patients with the age of onset of the disease above 2 years (10 patients out of 11 (91%). The side effects of levamisole and cyclophosphamide in our patients were transient and manageable. We conclude that levamisole is a safe and effective drug if combined with corticosteroid therapy in children with nephrotic syndrome. Further studies may be required.
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