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Good outcomes with mycophenolate-cyclosporine-based induction protocol in children with severe proliferative lupus
1Shaw-NKF-NUH Children's Kidney Centre, University Children's Medical Institute, National University Health System, Singapore.
Insights
A new mycophenolate and cyclosporine (MMF-CSA) protocol effectively treats severe proliferative lupus nephritis (LN) in children. This MMF-CSA regimen significantly improves clinical and serological markers, leading to high rates of renal remission.
Area of Science:
- Pediatric Nephrology
- Immunology
- Rheumatology
Background:
- Severe proliferative lupus nephritis (LN) in children presents significant challenges.
- Current induction protocols require optimization for improved outcomes.
Purpose of the Study:
- To evaluate the efficacy of a novel mycophenolate mofetil and cyclosporine (MMF-CSA) induction protocol for severe proliferative lupus nephritis in pediatric patients.
- To assess clinical and laboratory improvements at 6 and 12 months post-induction.
Main Methods:
- Retrospective study of 16 children with lupus nephritis (WHO class III and IV).
- Patients received a combination MMF-CSA induction protocol.
- Clinical and laboratory parameters including SLEDAI, renal function, proteinuria, and serological markers were compared pre-induction, at 6 months, and 12 months.
Main Results:
- Significant improvements observed in SLEDAI, C3, C4 levels, and urine protein (p < 0.05).
- Anti-dsDNA titres decreased in 73% of patients by 6 and 12 months (p < 0.05).
- Complete renal remission achieved in 43.8% at 6 months and 75% at 12 months; partial remission in all remaining patients.
Conclusions:
- The MMF-CSA combination protocol is an effective induction therapy for severe proliferative pediatric LN.
- This regimen leads to significant clinical and serological improvements with minimal adverse effects.
- MMF-CSA offers a promising therapeutic alternative for managing pediatric lupus nephritis.
Abstract:
The outcomes of children with severe proliferative lupus nephritis (LN) were examined using a new mycophenolate and cyclosporine-based (MMF-CSA) induction protocol. Sixteen children with LN (WHO class III and IV), 31.3% of whom required dialysis at induction, were retrospectively studied. Median MMF dose was 942 mg/m( 2)/day. Thirteen patients (81%) with persistent proteinuria received CSA. Clinical and laboratory parameters were compared at pre-induction, 6 and 12 months. Treatment outcome was defined by Systemic Lupus Erythematosus Disease Activity Index (SLEDAI), renal function, haematuria, proteinuria and serological markers (complements C3, C4 and anti-dsDNA). Comparing these parameters at induction, 6 months and 12 months, respectively, SLEDAI (25.4 +/- 8.7 versus 3.2 +/- 2.9 versus 2.9 +/- 2.8), serum C3 (47 +/- 21 versus 107 +/- 27 versus 111 +/- 38 mg/dl), C4 (12 +/- 14 versus 23 +/- 14 versus 22 +/- 11 mg/dl) and urine protein (6.97 +/- 7.09 versus 0.98 +/- 1.56 versus 0.21 +/- 0.13 g/ day/1. 73 m(2)) improved significantly (p < 0.05). Anti-dsDNA titres decreased in 73% by 6 and 12 months (p < 0.05). Complete renal remission was achieved in 7/16 (43.8%) at 6 months and 12/16 (75%) at 12 months, the rest achieving partial remission with no treatment failures. In conclusion, a combination MMF-CSA protocol is an effective therapeutic alternative for induction of children with severe proliferative LN, resulting in significant clinical and serological improvement with minimal adverse effects.
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