- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03157037
Open-Label Phase II Study to Evaluate the Efficacy and Safety of IdeS in Anti-GBM Disease (GOOD-IDES-01)
Open-Label Phase II Study in Anti-GBM Disease (Goodpasture's Disease) With Adverse Renal Prognosis to Evaluate the Efficacy and Safety of IdeS - GOOD-IDES
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Innsbruck, Austria, 6020
- Department of Internal Medicine IV (Nephrology and Hypertension)
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Prague, Czechia, 121 08
- Department of Department of nephrology, First Faculty of Medicine and General Teaching Hospital and Charles University in Prague, Czech Republic,
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Copenhagen, Denmark, 2100
- Department of Department of Nephrology, Rigshospitalet, Copenhagen
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Grenoble, France
- Department of Nephrology, Hemodialysis, Apheresis, and Transplantation, CHUGA (centre hospitalier universitaire Grenoble-Alpes)
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Lille, France, 59000
- Centre Hospitalier Régional Universitaire de Lille, Nephrology Service
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Paris, France, 75018
- Nephrology Service CHU Bichat
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Toulouse, France, 31059
- Department of Nephrology and Organ Transplant, CHU Rangueil
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Paris Cedex 20
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Paris, Paris Cedex 20, France, 75020
- PH USI UNTR, service du Pr Rondeau, Hôpital Tenon
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Stockholm, Sweden, 141 86
- Karolinska University Hospital Huddinge
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Uppsala, Sweden, 75185
- Department of Nephrology, Uppsala University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Anti-GBM antibodies detected by ELISA above a level that is considered toxic by the investigator using local laboratory. Patients double-positive for anti-GBM and anti-neutrophil cytoplasmic antibodies (ANCAs) may be entered in the trial, but only if their level of anti-GBM antibodies fulfil the criteria listed above.
- Estimated glomerular filtration rate (eGFR) <15 ml/min/1.73 m^2 (by modification of diet in renal disease (MDRD) equation) or if the patient is non-responsive to standard treatment, and has lost >15 ml/min/1.73 m^2 after start of treatment
- Haematuria on dipstick and/or urinary sediment
- Male or female patients aged at least 18 years; Female patients of childbearing potential may participate if highly effective contraception is used during the study, according to Clinical Trials Facilitation and Coordination Group (CTFG) guidance [18], see also section 4.9 (pregnancy test should be performed before inclusion).
- Willing and able to give written Informed Consent and to comply with the requirements of the study protocol; and
- Judged to be otherwise healthy by the Investigator, based on medical history, physical examination, and clinical laboratory assessments. Patients with clinical laboratory values that are outside of normal limits (other than those specified in the Exclusion Criteria) and/or with other abnormal clinical findings that are judged by the Investigator not to be of clinical significance, may be entered into the study.
Exclusion Criteria:
- Anuria for more than 2 days (less than 200 ml during last 48 hours);
- Dialysis dependency for more than 5 days (maximum 3 sessions before signing informed consent);
- Ongoing moderate to severe pulmonary haemorrhage (or having ceased within the last two weeks), defined as requiring assisted ventilation, oxygen or blood transfusions.
- Pregnancy.
- Symptomatic congestive heart failure (NYHA class 2-4) and requiring prescription medication or clinically evident peripheral edema of cardiac origin;
- Myocardial infarction, unstable angina or stroke within 3 months prior to screening;
- Ongoing bacterial infection requiring antibiotic therapy or viral infection with Hepatitis B, C or HIV (up to 3 months old negative test results are accepted); or active tuberculosis as indicated by chest x-ray.
- Patients should not have received investigational drugs within 30 days prior to screening or within 4 half-lives (whichever is longer); and
- History or presence of any medical condition or disease which, in the opinion of the Investigator, may place the subject at unacceptable risk for study participation.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Imlifidase
Imlifidase 0.25 mg/kg body weight intravenous infusion
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One dose of 0.25 mg/kg body weight imlifidase on study day 1
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Patients With Independent Renal Function at 6 Months
Time Frame: 6 months after dosing
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Number of patients without need for dialysis at 6 months.
A patient with independent renal function is defined as a patient without need for dialysis.
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6 months after dosing
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Patients With Independent Renal Function at 3 Months
Time Frame: 3 months after dosing
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Number of patients without need for dialysis at 3 months.
A patient with independent renal function is defined as a patient without need for dialysis.
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3 months after dosing
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Renal Function at 3 and 6 Months
Time Frame: 3 and 6 months after imlifidase dosing
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Estimated glomerular filtration rate (eGFR) is a measure of kidney function. eGFR was calculated based on p-creatinine according to the modification of diet in renal disease (MDRD) equation. eGFR for a kidney with normal function is above 90 mL/min/1.73m^2. Reduced kidney function is characterised by a decreased eGFR value. |
3 and 6 months after imlifidase dosing
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Number of Patients With Renal Function Over Time Stratified by Ranges of eGFR
Time Frame: Pre-imlifidase, 1, 3 and 6 months after imlifidase dosing
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eGFR is a measure of kidney function. eGFR has been calculated based on p-creatinine according to the modification of diet in renal disease (MDRD) equation. eGFR for a kidney with normal function is above 90 mL/min/1.73m^2. Reduced kidney function is characterised by a decreased eGFR value. Number of patients per 4 different eGFR categories (0-15, 15-30, 30-60, ≥60 mL/min/1.73m^2) are presented. A shift towards a higher category during the study indicates improved renal function over time. |
Pre-imlifidase, 1, 3 and 6 months after imlifidase dosing
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Number of Patients With Anti-GBM Antibodies Above a Toxic Level Stratified by Number of Study Visits
Time Frame: Predose up to 6 months after dosing
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Anti-GBM antibodies above a toxic level defined as >20 U/mL.
The level of anti-GBM antibodies was measured centrally using the Phadia ELiA(TM) anti-GBM kit.
The enzyme-linked immunoassay (ELiA) is a fluorescence enzyme immunoassay.
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Predose up to 6 months after dosing
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Number of Patients With Haematuria (Blood in Urine)
Time Frame: At 6 months after dosing
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Haematuria was assessed using urine dipstick. The result was presented as: Negative/Trace/+1/+2/+3/+4. In the analysis results being +2 or above are considered as relevant. Haematuria was an inclusion criterion. All 15 patients had haematuria when included in the study. |
At 6 months after dosing
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Change in Proteinuria During the Study
Time Frame: Pre-imlifidase, 3 and 6 months after imlifidase dosing
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Change in proteinuria measured as u-albumin/creatinine (g/mol) in morning void during the study .
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Pre-imlifidase, 3 and 6 months after imlifidase dosing
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Number of PLEXs Needed Over Time
Time Frame: Pre-screening and up to Day 93 after imlifidase dosing
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Number of PLEXs needed before anti-GBM antibodies are below toxic levels.
PLEX was initiated at the discretion of the investigator throughout the study.
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Pre-screening and up to Day 93 after imlifidase dosing
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Pharmacokinetics of Imlifidase (Cmax)
Time Frame: Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Maximum observed plasma concentration of IdeS following dosing (Cmax)
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Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Pharmacokinetics of Imlifidase (AUC)
Time Frame: Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Area under the plasma concentration versus time curve (AUC)
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Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Pharmacokinetics of Imlifidase (t1/2)
Time Frame: Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Half-life during distribution phase (Alpha-t1/2) Half-life during elimination phase (Beta-t1/2) The results refers to harmonic mean.
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Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Pharmacokinetics of Imlifidase (CL)
Time Frame: Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Clearance (CL) is a measure of the ability of the body to clear imlifidase from plasma
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Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Pharmacokinetics of Imlifidase (Vz)
Time Frame: Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Vz = Volume of distribution during the elimination phase
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Pre-dose, 45min, 2h, 6h, 24h, Day3, Day 7, Day 10, and Day15
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Pharmacodynamics (IgG Degradation Measured as Remaining Concentration of Intact and Single Cleaved IgG)
Time Frame: Pre-dose up to 6 months after imlifidase administration
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Imlifidase specifically cleaves all subclasses of human IgG rapidly and efficiently. The cleaving process involves two steps: (i) intact IgG to single cleaved IgG followed by (ii) single cleaved IgG to completely cleaved IgG (one F(ab')2- and one homodimeric Fc-fragment) The electroluminescence analysis method used measures the sum of intact and single cleaved IgG in serum. The efficacy of imlifidase is evaluated as remaining concentration of intact and single cleaved IgG in serum after treatment. |
Pre-dose up to 6 months after imlifidase administration
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Anti-imlifidase Antibodies (ADA)
Time Frame: Up to 6 months after dosing
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Determination of anti-imlifidase antibody concentration
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Up to 6 months after dosing
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Renal Histology
Time Frame: Before administration of imlifidase (0-33 days) and after administration of imlifidase (3-6 days)
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Kidney biopsies were classified according to the histopathologic classification for antineutrophil cytoplasmic antibodies (ANCA)-associated glomerulonephritis developed by Berden et al. 2010. This classification has previously been applied in a study of 123 anti-GBM disease patients (von Daalen et al 2018). Histopathologic class:
Focal class is associated with favourable kidney outcome, whereas sclerotic carries a poor outcome. Crescentic/mixed class could have an intermediate outcome between focal and sclerotic. Immunofluorescence performed at the local hospitals was also used to assess linear IgG deposits which is a hallmark of anti-GBM antibody disease. |
Before administration of imlifidase (0-33 days) and after administration of imlifidase (3-6 days)
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Mårten Segelmark, MD PhD Prof, Linkoeping University
Publications and helpful links
General Publications
- Berden AE, Ferrario F, Hagen EC, Jayne DR, Jennette JC, Joh K, Neumann I, Noel LH, Pusey CD, Waldherr R, Bruijn JA, Bajema IM. Histopathologic classification of ANCA-associated glomerulonephritis. J Am Soc Nephrol. 2010 Oct;21(10):1628-36. doi: 10.1681/ASN.2010050477. Epub 2010 Jul 8.
- van Daalen EE, Jennette JC, McAdoo SP, Pusey CD, Alba MA, Poulton CJ, Wolterbeek R, Nguyen TQ, Goldschmeding R, Alchi B, Griffiths M, de Zoysa JR, Vincent B, Bruijn JA, Bajema IM. Predicting Outcome in Patients with Anti-GBM Glomerulonephritis. Clin J Am Soc Nephrol. 2018 Jan 6;13(1):63-72. doi: 10.2215/CJN.04290417. Epub 2017 Nov 21.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Respiratory Tract Diseases
- Immune System Diseases
- Autoimmune Diseases
- Lung Diseases
- Kidney Diseases
- Urologic Diseases
- Lung Diseases, Interstitial
- Nephritis
- Glomerulonephritis
- Anti-Glomerular Basement Membrane Disease
- Physiological Effects of Drugs
- Immunologic Factors
- Immunoglobulins
- Immunoglobulin G
Other Study ID Numbers
- GOOD-IDES-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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