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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01762852
Registration number
NCT01762852
Ethics application status
Date submitted
4/01/2013
Date registered
8/01/2013
Date last updated
22/03/2017
Titles & IDs
Public title
Efficacy and Safety Study of Intravenous Belimumab Versus Placebo in Subjects With Idiopathic Membranous Nephropathy
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Scientific title
BEL114674: A 2 Year Study of Efficacy and Safety of Intravenous Belimumab Versus Placebo in Subjects With Idiopathic Membranous Nephropathy
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Secondary ID [1]
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114674
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Glomerulonephritis, Membranous
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Condition category
Condition code
Renal and Urogenital
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Kidney disease
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Inflammatory and Immune System
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Autoimmune diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Belimumab 10 mg
Treatment: Drugs - Placebo
Experimental: Belimumab Arm - Subjects will receive belimumab 10 mg/kg intravenous infusion \[will last for 1 hour (hr)\] on Day 0, Week 2, Week 4, then every 4 weeks for up to 100 weeks with frequency adjusted for subjects with \>1000 mg/mmol uPCR (\>10 g/24 hrs). All subjects will receive background supportive therapy throughout the study.
Placebo comparator: Placebo Arm - Intravenous infusion (will last for 1 hr) on Day 0, Week 2, Week 4, then every 4 weeks for up to 100 weeks with frequency adjusted for subjects with \>1000 mg/mmol uPCR (\>10 g/24 hrs). All subjects will receive background supportive therapy throughout the study.
Treatment: Drugs: Belimumab 10 mg
Belimumab is Lyophilised powder for reconstitution in 4.8 mL sterile water for injection (SWFI) and diluted in normal saline (250 mL). 400 mg per vial plus excipients (citric acid/sodium citrate/sucrose/polysorbate). Belimumab 10 mg/kg intravenous infusion (will last for 1 hr) on Day 0, Week 2, Week 4, then every 4 weeks for up to 100 weeks
Treatment: Drugs: Placebo
Normal saline solution (sodium chloride 154 mmol/L). Intravenous infusion (will last for 1 hr) on Day 0, Week 2, Week 4, then every 4 weeks for up to 100 weeks
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Incidence of remission (complete [CR] or partial [PR]) at Week (WK) 104
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Assessment method [1]
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CR: urine protein to creatinine ratio (uPCR) \<30 mg/mmol (proteinuria \<0.3 g/24 hr) with no worsening of renal function (\<15% estimated glomerular filtration rate \[eGFR\] reduction from baseline \[BL\]).PR: uPCR \<350 mg/mmol (proteinuria \<3.5g/24 hrs) but \>=30 mg/mmol (proteinuria \>=0.3g/24 hrs) AND a decrease of \>50% from BL based on uPCR, with no worsening of renal function. uPCR: Mean from 2 consecutive 24 hr urine collections (pre and post dose or pre and post visit). eGFR: BL will be defined as mean of screening and Day 0 values. For WK 104 assessment, will be analysed at both WK 100 and 104
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Timepoint [1]
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104 weeks
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Secondary outcome [1]
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Incidence of progression of IMN or failure to respond
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Assessment method [1]
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Defined by at least one of the following:1.Persistent symptomatic nephrotic syndrome potentially necessitating rescue therapy 2.End Stage Renal Disease (eGFR \<15 mL/min/1.73m\^2,dialysis or transplantation).3.Clinical thromboembolic events. 4.Death
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Timepoint [1]
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Upto Week 104
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Secondary outcome [2]
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Time to complete remission
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Assessment method [2]
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Complete Remission (CR) is defined as uPCR \<30 mg/mmol (proteinuria \<0.3 g/24 hrs) with no worsening of renal function (less than 15% reduction in estimated eGFR from baseline)
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Timepoint [2]
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Up to Week 104
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Secondary outcome [3]
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Time to partial remission
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Assessment method [3]
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Partial Remission (PR) is defined as uPCR \<350 mg/mmol (proteinuria \<3.5 g/24 hrs) but \>=30 mg/mmol (proteinuria \>=0.3g/24 hrs) AND a decrease of \>50% from baseline (Day 0) based on uPCR, together with no worsening of renal function (less than 15% reduction in eGFR from baseline)
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Timepoint [3]
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Up to Week 104
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Secondary outcome [4]
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Change from baseline in proteinuria levels at Week 104
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Assessment method [4]
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Mean uPCR from 2 consecutive 24 hr urine collections (pre and post dose or pre and post visit)
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Timepoint [4]
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Week 0 and Week 104
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Secondary outcome [5]
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Change from baseline in serum albumin levels at Week 104
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Assessment method [5]
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Albumin levels will be measured to determine hypoalbuminaemia. Baseline will be defined as mean of screening and Day 0 values. For the week 104 assessment, albumin will be analyzed at both weeks 100 and 104.
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Timepoint [5]
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Week 0 and Week 104
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Secondary outcome [6]
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Change from baseline in eGFR at Week 104
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Assessment method [6]
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Baseline will be defined as mean of screening and Day 0 values. For the week 104 assessment, eGFR will be analyzed at both weeks 100 and 104.
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Timepoint [6]
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Week 0 and Week 104
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Secondary outcome [7]
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Time to first thromboembolic event
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Assessment method [7]
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Thromboembolism is a formation in a blood vessel of a clot (thrombus) that breaks loose and is carried by the blood stream to plug another vessel. Thromboembolic event is a complication of nephrotic syndrome.
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Timepoint [7]
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Up to Week 104
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Secondary outcome [8]
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Change from baseline in KDQOL-36 score at Week 104
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Assessment method [8]
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The Kidney Disease Quality of Life (KDQOL- 36) consists of the SF-12 Physical Health and Mental Health Composite scores along with the Burden of Kidney Disease and Effects of Kidney Disease subscales.
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Timepoint [8]
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Week 0 and Week 104
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Secondary outcome [9]
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Incidence of partial remission at Week 104
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Assessment method [9]
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Partial Remission (PR) is defined as uPCR \<350 mg/mmol (proteinuria \<3.5g/24 hrs) but \>=30 mg/mmol (proteinuria \>=0.3 g/24 hrs) AND a decrease of \>50% from baseline (Day 0) based on uPCR, together with no worsening of renal function (less than 15% reduction in eGFR from baseline)
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Timepoint [9]
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Week 104
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Secondary outcome [10]
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Incidence of complete remission at Week 104
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Assessment method [10]
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Complete Remission (CR) is defined as uPCR \<30 mg/mmol (proteinuria \<0.3 g/24 hrs) with no worsening of renal function (less than 15% reduction in estimated eGFR from baseline)
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Timepoint [10]
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Week 104
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Secondary outcome [11]
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Duration of remission (complete or partial)
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Assessment method [11]
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The duration of remission (complete or partial) will be assessed to evaluate length of effect of belimumab.
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Timepoint [11]
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Up to Week 104
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Secondary outcome [12]
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Risk-benefit calculation based on key efficacy and safety endpoints using a clinical utility index
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Assessment method [12]
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A clinical utility index will be developed to objectively measure benefit over standard practice in a quantitative manner.
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Timepoint [12]
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Up to Week 104
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Secondary outcome [13]
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Incidence of serious adverse events (SAEs)
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Assessment method [13]
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SAEs are medical occurrences not due to the disease (unless more severe than expected), but which result in death, disability, incapacity, are life threatening, require or prolong hospitalization, are associated with specified liver injury/impaired function and other defined criteria. SAEs beyond Week 104 will be assessed as 'Other endpoints' or 'Long Term Follow-up endpoints'
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Timepoint [13]
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Up to Week 104
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Secondary outcome [14]
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Incidence of adverse events (AEs) of special interest
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Assessment method [14]
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AEs of special interest will include: Serious infusion reactions/hypersensitivity/anaphylaxis, fatal events; serious malignancies; serious infections including herpes zoster; cardiovascular SAEs (fatal and non-fatal events) including arrhythmia, congestive heart failure, cerebrovascular accident, deep vein thrombosis, myocardial infarction/unstable angina, peripheral arterial thromboembolism, revascularization; SAEs suggestive of suicidal or self-harming behavior
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Timepoint [14]
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Up to Week 104
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Secondary outcome [15]
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Safety assessed by evaluation of Adverse events, clinical laboratory assessments, vital signs and immunogenicity
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Assessment method [15]
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Safety and tolerability assessed by evaluation of adverse events (AE), clinical laboratory assessments (clinical chemistry, haematology and urinalysis), vital signs and immunogenicity. Including infusion-related and hypersensitivity reactions, infections and malignancies
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Timepoint [15]
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Up to 116 Weeks
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Secondary outcome [16]
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Survival without renal progression
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Assessment method [16]
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Subjects will be followed annually for 5 years after Week 104 in the main clinical study or until ESRD or death, whichever is earlier for analysis of survival without renal progression. Survival without renal progression will be defined as the time from start of treatment until decrease in eGFR from baseline at entry into the study by greater than 20% OR end stage renal disease (eGFR \<15 mL/min/1.73 m\^2, start of dialysis or renal transplantation) OR death.
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Timepoint [16]
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From start of treatment up to 7 years
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Eligibility
Key inclusion criteria
* Age & Gender: Male or female between 18 and 75 years of age inclusive, at the time of signing the informed consent.
* Histological diagnosis: Have clinical diagnosis of IMN, as verified by biopsy (either by light microscope with immuno-fluorescence, or by electron microscope) in the last 3 years (biopsy results [and slides where possible] should be available for independent evaluation). For patients with relapsed disease, a biopsy should be available within the preceding 7 years.
* Proteinuria: Have clinically active disease (nephrotic range proteinuria) for at least 3 months prior to screening and no improvement (<30% reduction), despite supportive therapy (which must include maximal tolerated doses of ACE inhibitor or ARB unless contraindicated, and may include statins, diuretics, dietary salt restriction). During screening proteinuria must be >400 mg/mmol by uPCR (or >4.0 g per 24 hrs) as measured from a 24 hrs urine collection and/or spot urine sample (early morning where possible) on 2 occasions at least 7 days apart.
* Proteinuria in patients with relapsed disease: Patients who previously achieved proteinuria <2 g per 24h for at least 6 months and have subsequently relapsed with proteinuria levels as documented above, may be eligible providing recurrence has been within the previous 3 years and patient is known to be anti-PLA2R positive.
* Female Subject is eligible to participate if she is not pregnant or nursing; is non-childbearing potential. Females of child-bearing potential must agree to use one of the approved contraception methods for an appropriate period of time (as determined by the product label or investigator) prior to the start of dosing to sufficiently minimise the risk of pregnancy at that point. Female subjects must agree to use contraception until 16 weeks after the last dose.
* French subjects: In France, a subject will be eligible for inclusion in this study only if either affiliated to or a beneficiary of a social security category.
* Inclusion Criteria for Long Term Follow-up: Subjects who have signed informed consent for the Long Term Follow-up and have completed 2 years study treatment and the 16 week follow-up visit, or who have withdrawn early from study treatment but completed the Week 104 Withdrawn visit.
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Minimum age
18
Years
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Maximum age
75
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Non-Idiopathic MN or other condition affecting the kidney: If the diagnosis of MN is secondary to other conditions, or the subject has renal impairment from a condition that is not MN. Causes of secondary MN include (but are not limited to) Immune diseases (Systemic lupus erythematosus, diabetes mellitus; rheumatoid arthritis, Hashimoto's disease, Grave's disease, mixed connective tissue disease, Sjogren's syndrome, primary biliary cirrhosis, bullous pemphigoid, small bowel enteropathy syndrome, dermatitis herpetiformis, ankylosing spondylitis, graft-versus-host-disease, Guillain-Barre syndrome); or Infectious or parasitic diseases (Hepatitis B; Hepatitis C, syphilis, filariasis, hydatid disease, schistosomiasis, malaria, leprosy); or Drugs and toxins (Gold, penicillamine, non-steroidal anti-inflammatory agents, mercury, captopril, formaldehyde, hydrocarbons, bucillamine); or Miscellaneous(Tumors excluded with reasonable diligence, renal transplantation, sarcoidosis, sickle cell disease, Kimura disease, angiofollicular lymph node hyperplasia).
* Anti-PLA2R autoantibody: Patients known to be negative for anti-PLA2R autoantibody.
* Severely reduced or deteriorating kidney function: An eGFR at screening <40 mL/min/1.73m^2 (as determined by 4 variable version MDRD equation) or kidney function not stable (as defined by >15% decrease in eGFR in 3 months before screening unless due to medication change).
* Blood Pressure: Uncontrolled hypertension defined as blood pressure (BP) >150/90 mmHg (treatment target <=140/80)
* Prior Therapy: Have received treatment with the following therapies at the times specified prior to Day 0: Therapy - B-cell targeted therapy except rituximab (e.g., other anti- CD20 agents, anti-CD22 [epratuzumab], anti-CD52 [alemtuzumab], BLyS-receptor fusion protein [BR3], TACI Fc, or belimumab), Time period: anytime; Therapy: Rituximab (subjects with rituximab treatment between 1 and 2 years prior to Day 0 are eligible if there is documented evidence of B-cell repopulation to >50% of pre-treatment levels), Period: 2 years; Therapy: Abatacept and any other biologic investigational agent other than B cell targeted therapy (i.e. not approved for sale in the country in which it is being used), Time Period: 364 days; Therapy: Cyclophosphamide or chlorambucil 3 or more courses of systemic corticosteroids for concomitant conditions (e.g., asthma, atopic dermatitis). (Topical or inhaled steroids are permitted.), Time Period: 180 days; Therapy: Anti-tumour necrosis factor (TNF) or anti-IL-6 therapy (e.g. adalimumab, etanercept, infliximab, tocilizumab). Interleukin-1 receptor antagonists (e.g. anakinra). Other immunosuppressive/immunomodulatory agents (e.g azathioprine, 6-mercaptopurine, mycophenolate mofetil (PO)/ mycophenolate mofetil hydrochloride (IV), mycophenolate sodium (PO), methotrexate, tacrolimus, sirolimus, thalidomide, leflunomide, mizoribine, ciclosporin). Intravenous immunoglobulin (IVIG). Plasmapheresis, leukapheresis, Time Period: 90 days; Therapy: A non-biologic investigational agent (i.e. not approved for sale in the country in which it is being used). Intravenous corticosteroid, Adrenocorticotropic hormone (ACTH). Aliskiren. A change in dose of >50% for angiotensin pathway antihypertensive (e.g., ACE inhibitor, angiotensin receptor blocker), Time Period: 60 days; Therapy: A live vaccine. Greater than 30mg/day corticosteroid, Time Period: 30 days; Therapy: Greater than 10mg/day corticosteroid. A change in dose of a corticosteroid. Note: Changes to inhaled steroids and new topical immunosuppressive agents (e.g., eye drops, topical creams) are allowed, Time Period: 14 days.
* Transplantation: Have a history of a major organ transplant (e.g., heart, lung, kidney, liver) or hematopoietic stem cell/marrow transplant.
* Cancer: Have a history of malignant neoplasm within the last 5 years, except for adequately treated cancers of the skin (basal or squamous cell) or carcinoma in situ of the uterine cervix.
* Acute or chronic infection: Have required management of acute or chronic infections such as currently on any suppressive therapy for a chronic infection such as tuberculosis, pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster and atypical mycobacteria); or hospitalisation for treatment of infection within 60 days prior to Day 0; or use of parenteral (IV or IM) antibiotics (anti-bacterials, anti-virals, anti-fungals, or anti-parasitic agents) within 60 days prior to Day 0.
* Liver disease: Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
* Other diseases/conditions: Have clinical evidence of significant unstable or uncontrolled acute or chronic diseases not due to IMN (i.e., cardiovascular, pulmonary, haematologic, gastrointestinal, hepatic, renal, neurological, malignancy or infectious diseases) which, in the opinion of the investigator, could confound the results of the study or put the subject at undue risk; or have a planned surgical procedure or a history of any other medical disease (e.g. cardiopulmonary), laboratory abnormality, or condition (e.g., poor venous access) that, in the opinion of the investigator, makes the subject unsuitable for the study.
* Positive serology: Have a historically positive HIV test or test positive at screening for HIV. Serologic evidence of Hepatitis B (HB) infection based on the results of testing for HBsAg, anti-HBc and anti-HBs. Positive test for Hepatitis C antibody confirmed on the same sample with a Hepatitis C RIBA immunoblot assay if available.
* Liver function tests: Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) >=2x upper limit of normal (ULN); alkaline phosphatase and bilirubin >1.5xULN (isolated bilirubin >1.5ULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
* Immunodeficiency: Have an IgA deficiency (IgA level < 10 mg/dL) or have IgG level <250 mg/dL and have previously received any non-glucocorticoid immunosuppression during the previous 6 months.
* Laboratory test abnormalities: Have clinically significant abnormalities in screening laboratory assessments (not related to the disease), as judged by investigator.
* Drug sensitivity / Anaphylaxis: History of sensitivity or intolerance to any of the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates their participation. History of an anaphylactic reaction to parenteral administration of contrast agents, human or murine proteins or monoclonal antibodies.
* Suicidality: Subjects who have evidence of serious suicide risk including any history of suicidal behaviour in the last 6 months and/or any suicide ideation of type 4 or 5 on the Columbia Suicide-Severity Rating Scale (C-SSRS) in the last 2 months or who in the investigator's judgement, pose a significant suicide risk.
* Substance abuse: Evidence of current drug or alcohol abuse or dependence.
* Blood donation: Where participation in the study would result in donation of blood or blood products in excess of 500 mL within a 56 day period.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Withdrawn
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
1/04/2013
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/01/2014
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Actual
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Sample size
Target
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Accrual to date
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Final
0
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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GSK Investigational Site - New Lambton
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Recruitment postcode(s) [1]
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2305 - New Lambton
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Recruitment outside Australia
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United States of America
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Missouri
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United States of America
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North Carolina
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Canada
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Alberta
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Canada
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Ontario
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Czech Republic
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Praha 2
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France
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State/province [6]
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Amiens cedex 1
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France
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Créteil Cedex
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France
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Paris Cedex 15
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France
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Toulouse Cedex 9
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Germany
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Baden-Wuerttemberg
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Germany
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Bayern
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Germany
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Nordrhein-Westfalen
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Germany
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Berlin
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Italy
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Lombardia
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Italy
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Toscana
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Netherlands
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Amsterdam
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Netherlands
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Nijmegen
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Spain
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L'Hospitalet de Llobregat
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Spain
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Madrid
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Spain
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Valencia
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United Kingdom
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Cardiff
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United Kingdom
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Gloucester
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United Kingdom
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Leicester
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United Kingdom
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London
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United Kingdom
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Reading
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
GlaxoSmithKline
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
The main clinical study will be a randomized, double-blind, placebo-controlled, long term study involving a 100 week treatment period. The purpose of this study is to test for superiority of treatment with belimumab 10 mg/kg plus supportive therapy compared to placebo plus supportive therapy in idiopathic membranous nephropathy (IMN). The purpose of this study is also to investigate the effect of initiating earlier treatment with belimumab compared to delayed treatment with current immunosuppressive treatment regimens. The study will also determine the pharmacokinetic (PK) profile of belimumab and further explore the mechanism of action of Belimumab as well as effects on quality of life. All subjects (on either active treatment or placebo) will receive background supportive therapy throughout the main clinical study, which includes angiotensin-converting enzyme inhibitors (ACEi) and/or angiotensin receptor blockers (ARBs) unless contraindicated and may include statins, diuretics, dietary salt restriction but excludes immunosuppressants (except low dose corticosteroids). Screening will be done within 5 to 2 weeks before the first scheduled dose of study treatment. A total of 94 evaluable subjects will be randomized in a 1:1 ratio such that 47 subjects receive intravenous belimumab 10 mg/kg and 47 receive intravenous placebo. Subjects will be dosed on Days 0, 14, 28 and then every 4 weeks through to, and including, Week 100, resulting in a total of 27 doses (giving 104 weeks of drug exposure). The dosing frequency will be adjusted to every 2 weeks if the subject's proteinuria as assessed by urinary protein creatinine ratio (PCR) is greater than 1000mg/mmol (greater than 10 g/24 h), to compensate for loss of belimumab in the urine. Subjects who are withdrawn from study treatment at any time during the study, eg for rescue therapy, will participate in follow-up visits every 12 weeks up to week 104. A subject will be regarded as having completed the main clinical study if they complete all phases of the main clinical study (screening, treatment period, 4 week and 16 week post last dose short term safety follow-up). Subjects who complete the main clinical study will therefore participate in the main clinical study for approximately 28 months. After the main clinical study, there will be a 5 year (long term) follow-up phase to assess long term outcomes.
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Trial website
https://clinicaltrials.gov/study/NCT01762852
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Trial related presentations / publications
von Groote TC, Williams G, Au EH, Chen Y, Mathew AT, Hodson EM, Tunnicliffe DJ. Immunosuppressive treatment for primary membranous nephropathy in adults with nephrotic syndrome. Cochrane Database Syst Rev. 2021 Nov 15;11(11):CD004293. doi: 10.1002/14651858.CD004293.pub4.
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Public notes
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Contacts
Principal investigator
Name
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GSK Clinical Trials
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Address
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GlaxoSmithKline
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Fax
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Email
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Contact person for public queries
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT01762852
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