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Published on: November 8, 2015
Longterm followup after tapering mycophenolate mofetil during maintenance treatment for proliferative lupus nephritis
Katerina Laskari1, Athanasios G Tzioufas, Anna Antoniou
1Department of Pathophysiology, School of Medicine, University of Athens, Athens, Greece. katerina_laskari@yahoo.gr
Objective:
To determine the timing for safe reduction of mycophenolate mofetil (MMF) dose during remission-maintenance therapy of proliferative lupus nephritis.
Methods:
The study population consisted of 44 patients evaluated retrospectively; MMF dose was empirically tapered in 18/44 patients until the latest observation.
Results:
Patients reducing MMF ≤ 18 months after remission/complete remission had a 6.8-fold/6.3-fold higher risk of relapse compared to those taking a stable dose (p = 0.001, p = 0.011, respectively). Reducing MMF later than 18 months was not associated with increased relapse rates.
Conclusion:
Reducing MMF > 1.5 years after remission/complete remission seems to warrant drug tapering without increased risk of disease flare in proliferative lupus nephritis.
Insights
Reducing mycophenolate mofetil (MMF) early in lupus nephritis remission increases relapse risk. Tapering MMF more than 18 months after remission appears safe for maintaining remission in proliferative lupus nephritis.
Area of Science:
- Nephrology
- Immunology
- Pharmacology
Background:
- Proliferative lupus nephritis requires long-term immunosuppression.
- Mycophenolate mofetil (MMF) is a key drug in lupus nephritis maintenance therapy.
- Optimal timing for MMF dose reduction is not well-established.
Purpose of the Study:
- To determine the safe timing for reducing mycophenolate mofetil (MMF) dosage during remission-maintenance therapy for proliferative lupus nephritis.
Main Methods:
- Retrospective evaluation of 44 patients with proliferative lupus nephritis.
- Analysis of MMF dose reduction in 18 patients.
- Comparison of relapse rates based on MMF tapering timing.
Main Results:
- Early MMF reduction (≤ 18 months post-remission) significantly increased relapse risk (6.8-fold for remission, 6.3-fold for complete remission).
- P-values for early reduction were p = 0.001 and p = 0.011, respectively.
- Reducing MMF later than 18 months did not correlate with higher relapse rates.
Conclusions:
- Tapering mycophenolate mofetil (MMF) more than 1.5 years after achieving remission or complete remission is associated with a lower risk of disease flare in proliferative lupus nephritis.
- This timing allows for potential drug reduction without compromising remission maintenance.
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