科研之友
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摘要
Lupus nephritis (LN) is a major cause of morbidity and mortality in systemic lupus erythematosus (SLE). As a standard treatment regimen for remission induction of proliferative LN, intravenous cyclophosphamide (IVCYC) and corticosteroids has been widely accepted. However, cyclophosphamide (CYC) is associated with significant adverse effects. Tacrolimus, a T-cell-specific calcineurin inhibitor, shares similar immunosuppressive actions with cyclosporine. We performed a meta-analysis of randomized controlled trials (RCTs) to compare efficacy and safety between tacrolimus (oral administration and/or IV injection) and IVCYC in the induction treatment for LN. We identified 5 trials, including 225 patients. Meta-analysis showed that tacrolimus could significantly increase complete remission (RR 1.61, 95% Cl, 1.17 to 2.23; P = 0.004), response rate (RR 1.25, 95% Cl, 1.09 to 1.44; P = 0.001), serum albumin level (SMD 1.11, 95% Cl, 0.17 to 2.06; P = 0.02) and anti-dsDNA negative conversion rate (RR 1.34, 95% Cl, 1.01 to 1.78; P = 0.04), and decrease urine protein (SMD -0.52, 95% Cl, -0.83 to -0.22; P = 0.0008), systemic lupus erythematosus disease activity index (SLE-DAI) (SMD -0.59, 95% Cl, -1.00 to -0.19; P = 0.004) compared with that of IVCYC. The rates of gastrointestinal symptoms and irregular menstruation (or amenorrhea) were significantly lower in tacrolimus group than IVCYC group (RR 0.46, 95% Cl, 0.22 to 0.93; P = 0.03 and RR 0.14, 95% Cl, 0.04 to 0.50; P = 0.003). In conclusion, tacrolimus was found to be more effective and safer than IVCYC as an induction therapy for Chinese LN patients.
