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Prospective, randomized, parallel-group controlled, open-label, international (Asian) multicenter, comparison of corticosteroids combined with tacrolimus and corticosteroids combined with mycophenolate mofetil.
There is accumulating evidence that tacrolimus (TAC) could serve as an effective medication for the treatment of lupus nephritis (LN). TAC is a calcineurin inhibitor, which is a key component in first-line combination immunosuppressive regimens after kidney transplantation, based on its proven efficacy in the prevention and treatment of allograft rejection and acceptable tolerability profile. Although it primarily targets T lymphocyte activation, its immunosuppressive actions encompass multiple immune response pathways due to the complex interactions between different cellular and soluble immune mediators. Moreover, the effect of calcineurin inhibitors on podocyte morphology and function, independent of their immunosuppressive effect, has translated into therapeutic efficacy in the treatment of proteinuric glomerular diseases such as membranous nephropathy and focal segmental glomerulosclerosis. Recent data from short-term studies showed that combination immunosuppressive regimens that included TAC and corticosteroids with or without mycophenolate mofetil (MMF) appeared at least as effective as other standard-of-care treatments for Class III/IV±V LN, and the inclusion of TAC might lead to more effective suppression of proteinuria. There is also preliminary data on its favorable tolerability when used as long-term maintenance treatment. This study aims to examine the role of TAC combined with corticosteroids, in comparison with the most commonly used standard-of-care treatment MMF plus corticosteroids, in the management of lupus nephritis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Tacrolimus | Experimental | route: oral duration: 96 weeks |
|
| Mycophenolate Mofetil | Active Comparator | route: oral duration: 96 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tacrolimus | Drug | Dosage: start at 2mg twice a day, then titrated according to therapeutic drug level monitoring using 12-hour post-dose blood sampling |
|
| Measure | Description | Time Frame |
|---|---|---|
| Efficacy of combined corticosteroids and TAC compared to combined corticosteroids and MMF in achieving sustained renal response (RR) in patients with active lupus nephritis [Class III/IV±V (LN)] | Sustained RR defined as satisfying all of the following criteria:
| 96 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Rate of complete renal remission |
| 96 weeks |
| Rate of partial renal remission |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tak-Mao Daniel Chan | The University of Hong Kong | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The University of Hong Kong | Hong Kong | Hong Kong |
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| ID | Term |
|---|---|
| D008181 | Lupus Nephritis |
| ID | Term |
|---|---|
| D005921 | Glomerulonephritis |
| D009393 | Nephritis |
| D007674 | Kidney Diseases |
| D014570 | Urologic Diseases |
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| ID | Term |
|---|---|
| D016559 | Tacrolimus |
| D009173 | Mycophenolic Acid |
| ID | Term |
|---|---|
| D018942 | Macrolides |
| D007783 | Lactones |
| D009930 | Organic Chemicals |
| D002208 | Caproates |
| D000144 |
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| Mycophenolate mofetil | Drug | Dosage: start at 1g twice a day, then taper as per protocol |
|
|
| 96 weeks |
| Efficacy of combined corticosteroids and TAC compared to combined corticosteroids and MMF in achieving sustained renal response (RR) in patients with active lupus nephritis [Class III/IV±V (LN)] | Sustained RR defined as satisfying all of the following criteria:
| 48 weeks |
| Refractory disease | Never achieving partial renal remission since commencement of study | 96 weeks |
| Rate of non-renal flare | Disease flare defined by the need for 'rescue' immunosuppressive therapy with any one of the following i. increase of prednisolone dose from ≤7.5 mg/D to ≥15 mg/D for 4 weeks or longer ii. change of originally assigned immunosuppressive agent iii. addition of immunosuppressive medications prohibited in protocol | 96 weeks |
| Incidence of acute kidney injury | Number of patients who had increase of serum creatinine level ≥15% from baseline and whether the increase was reversible or irreversible | 96 weeks |
| Incidence of TAC blood level above target range | Number of patients who had 12-hour post dose TAC blood level above i. 8 ng/mL (from baseline to end of week 24) ii. 7 ng/mL (from start of week 25 to end of week 48, and from start of week 49 to end of week 96 for patients who had serum creatinine level <150 micromol/L) iii. 6 ng/mL (from start of week 49 to end of week 96 for patients who had serum creatinine level ≥150 micromol/L) | 96 weeks |
| Incidence of new onset hypertension or worsening hypertensive control | Number of patients who had new onset hypertension (blood pressure >140/90 mmHg) or worsening hypertensive control that required increase of number or dose of anti-hypertensive medications | 96 weeks |
| Rate of infection | Number of patients who had infection that required hospitalization and its causative agents | 96 weeks |
| Rate of Hospitalization | Number of patients who had been hospitalized, the cause and duration of hospitalization | 96 weeks |
| Incidence of hyperkalemia | Number of patients who had serum potassium level >5.6 mmol/L | 96 weeks |
| Incidence of metabolic acidosis | Number of patients who had serum bicarbonate level <17 mmol/L | 96 weeks |
| Incidence of new onset diabetes mellitus | Number of patients who had fasting glucose > 6.0 mmol/L and/or required addition of blood glucose lowering drug(s) | 96 weeks |
| Incidence of new onset hypercholesterolemia | Number of patients who had total cholesterol> 5.0 mmol/L and low density lipoprotein >3.4 mmol/L presented at 6 months or beyond from baseline and/or required addition of lipid-lowering drug(s) | 96 weeks |
| Rate of treatment intolerance leading to premature study discontinuation | Definition of treatment intolerance i. severe gastrointestinal disturbance or marrow suppression (white blood cell count <2×10^9/L OR platelet count <50×10^9/L OR hemoglobin <8 g/dL) judged due to MMF and persisted despite reduction of MMF dosage to < 1.25 g per day ii. significant hand-tremor or neurotoxicity related to TAC | 96 weeks |
| Rate of disease complication leading to premature study discontinuation | Number of patients who developed complication that led to premature study discontinuation | 96 weeks |
| Rate of disease flare leading to premature study discontinuation | Disease flare is defined as the need for 'rescue' immunosuppressive therapy with any one of the following i. increase of prednisolone dose from ≤7.5 mg/D to ≥15 mg/D for 4 weeks or longer ii. change of originally assigned immunosuppressive agent iii. addition of immunosuppressive medications prohibited in protocol | 96 weeks |
| Number of patients who failed to adhere to protocol defined corticosteroid reduction regimen | Failure to adhere to corticosteroid reduction regimen was defined as deviation from protocol-defined corticosteroid dose by >5mg/D for >3 weeks due to unsatisfactory treatment response or new-onset disease activity. | 96 weeks |
| Incidence of adverse events | Number and type of adverse events, irrespective of whether the event was treatment-related or not | 96 weeks |
| Incidence of serious adverse events | Number and type of serious adverse events, irrespective of whether the event was treatment-related or not | 96 weeks |
| Changes in SELENA-SLEDAI scores | Changes in SELENA-SLEDAI scores from baseline to week 96 | 96 weeks |
| Changes in PGA scores | Changes in PGA scores from baseline to week 96 | 96 weeks |
| Changes in SFI scores | Changes in SFI scores from baseline to week 96 | 96 weeks |
| Changes in BILAG (2004) scores | Changes in BILAG (2004) scores from baseline to week 96 | 96 weeks |
| D052776 |
| Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |
| D008180 | Lupus Erythematosus, Systemic |
| D003240 | Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |
| Acids, Acyclic |
| D002264 | Carboxylic Acids |
| D005227 | Fatty Acids |
| D008055 | Lipids |