E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Primary IgA nephropathy patients at risk of developing end stage renal disease |
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E.1.1.1 | Medical condition in easily understood language |
Patient with kidney disease that have damage to the kidneys associated with Immunoglobulin A |
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E.1.1.2 | Therapeutic area | Diseases [C] - Immune System Diseases [C20] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 17.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10069341 |
E.1.2 | Term | Berger's disease |
E.1.2 | System Organ Class | 100000004857 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate efficacy and safety of two different doses of Nefecon (budesonide) in the treatment of patients with primary IgA nephropathy (IgAN) at risk of developing end-stage renal disease, under rigorous blood pressure control with an angiotensin-converting enzyme inhibitor (ACEI) and/or angiotensin 2 receptor blocker (ARB).
The Primary efficacy objective is to investigate whether patients on Nefecon (budesonide) achieve a larger mean reduction in urine protein creatinine ratio (UPCR) compared to patients in placebo during a 9 months trial. |
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E.2.2 | Secondary objectives of the trial |
To evaluate if other urine protein response criteria and other laboratory parameters used to estimate glomerular filtration rate (GFR) are in favour of Nefecon® (budesonide) compared with placebo at 9 months.
Tertiary Objective:
To evaluate if other response criteria and time-points are in favour of Nefecon® (budesonide) compared with placebo.
Safety Objective:
To evaluate safety in terms of adverse events, changes in vital signs and laboratory tests during the trial. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Screening Inclusion Criteria:
1. Female or male patients ≥18 years
2. Biopsy-verified IgA nephropathy
3. Urine protein creatinine ratio ≥0.5 g/g (56.5 mg/mmol) OR urine protein ≥0.75 g/24 h
4. Estimated GFR (using the CKD-EPI formula) OR measured GFR ≥50 mL/min per 1.73 m2 OR ≥45 mL/min per 1.73 m2 for patients on a maximum recommended or maximum tolerated dose of an ACEI and/or ARB
5. Willing to change antihypertensive medication regimen if applicable
6. Willing and able to give informed consent
Randomisation Inclusion Criteria:
1. Completion of the Run-in Phase
2. Urine protein creatinine ratio ≥0.5 g/g (56.5 mg/mmol) OR urine protein ≥0.75 g/24 h
3. Estimated GFR (using CKD-EPI formula) OR measured GFR ≥45 mL/min per 1.73 m2 |
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E.4 | Principal exclusion criteria |
Screening Exclusion Criteria:
1. Secondary forms of IgA nephropathy as defined by the treating physician (for example, Henoch–Schönlein purpura patients and those with associated alcoholic cirrhosis)
2. Presence of crescent formation in ≥50% of glomeruli assessed on renal biopsy
3. Kidney transplanted patients
4. Severe gastrointestinal disorders (including peptic ulcer disease and inflammatory bowel disease) which may impair drug effect, or other conditions which could modify the effect of the trial drug as judged by the Investigator
5. Consumption of an investigational drug within 30 days prior to enrolment
6. Hyperlipidaemia defined as unacceptable levels of lipids according to the discretion of the Investigator
7. Morbid obesity defined as a body mass index (BMI) >45 kg/m2
8. Patients currently treated with systemic immunosuppressive or systemic corticosteroid drugs (excluding topical or nasal steroids) or have been previously treated for more than one week within the last 24 months.
9. Patients currently treated chronically (daily dosing) with inhaled corticosteroid drugs or have previously been treated chronically for more than one month within the last 12 months
10. For the treatment of IgA nephropathy, patients treated within the last 24 months with either immunosuppressive agents or systemic corticosteroids drugs
11. Patients unable to take oral medication or intolerant to budesonide or other corticosteroid preparations
12. Patients with known allergy or intolerance to ACEI and ARB or to any component of the trial drug formulation
13. Patients with acute or chronic infectious disease incl. hepatitis, HIV positive patients and patients with chronic urinary tract infections
14. Severe liver disease according to the discretion of the Investigator
15. Patients with Type 1 or 2 diabetes
16. Patients with uncontrolled cardiovascular disease as judged by the Investigator
17. Patients with current malignancy or history of malignancy during the last three years
18. History or presence of psychological or psychiatric illness (including steroid induced psychosis) which may interfere with the patient´s ability to adhere to the protocol
19. Patients with untreated osteoporosis
20. Patients with glaucoma or cataract
21. Alcohol or drug abuse (present)
22. Patients unwilling to meet the requirements of the protocol
23. Other medical or social reasons for exclusion at the discretion of the Investigator
24. Life expectancy < 1 year
25. For women only; pregnant or breast feeding or unwilling to use adequate contraception during the trial (only women of child bearing potential)
Randomisation Exclusion Criteria:
1. Unacceptable blood pressure defined as a systolic value >160 mm Hg or diastolic >100 mm Hg
2. eGFR (CKD-EPI method of estimation) loss >30% over the entire duration of the Run-in Phase
3. Consumption of an investigational drug after screening
4. Medical or social reasons for exclusion at the discretion of the Investigator
5. For women only; pregnant or breast feeding or unwilling to use adequate contraception during the trial (only women of child bearing potential)
6. For men only; unwilling to use adequate contraception during the treatment and follow-up phase of the trial |
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E.5 End points |
E.5.1 | Primary end point(s) |
Primary Efficacy Endpoint(s):
The primary endpoint is the mean reduction in UPCR at 9 months compared to baseline UPCR values. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
The mean reduction will be measured as ratio of UPCR at 9 months compared to baseline.
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E.5.2 | Secondary end point(s) |
Secondary Efficacy Endpoint(s):
- Mean change in urine protein, urine albumin creatinine ratio and urine albumin from baseline at Month 9
- Mean change UPCR, urine protein, UACR, urine albumin from 9 to 12months.
- Mean change in serum creatinine, chronic kidney disease epidemiology collaboration equation (CKD-EPI) estimated glomerular filtration rate (eGFR), modification of diet in renal disease study equation (MDRD) eGFR and creatinine clearance from baseline at 9 months
Tertiary Efficacy Endpoint(s)
- achieving defined reductions (≥30%, ≥40%, ≥50%) in UPCR, urine protein, UACR and urine albumin at Month 9 compared to baseline
- Mean change in UPCR, urine proteine, UACR and urine albumin from baseline at Months 1, 3, 6, 10.5 and 12 months.
- Mean change in CKD-EPI from baseline at 1, 3, 6, 10.5, and 12 months
- Mean change in Cystatin C-based eGFR from baseline at Month 9
- Proportion of patients with microhematuria at Months 9 and 12
Exploratory Efficacy Endpoint(s)
The exploratory analyses listed below are planned but may not be conducted if deemed to be obsolete during later stages of the trial; other exploratory analyses may be added.
- Percentage change from baseline at 9 and 12 months on exploratory markers/biomarkers
- Urine and serum total IgA1/2, secretory IgA, IgA kappa/lambda ratios, IgA1 monomer/polymer ratio, IgA1 O-glycosylation, IgA-CD89 immune complex levels
- Urine IL-6/EGF ratio, NAG, NGAL, KIM-1, RBP levels
- Serum or plasma IgA anti-gliadin, IgA anti-ovalbumin, IgA anti-BSA, AOPP, MAdCAM-1, NGAL, hsCRP, PDGF-BB, PDGF-DD, mannose binding lectin levels, 25-hydroxycholesterol levels and non-standard complement assays
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Secondary efficacy endpoints will be evaluated at 9 to 12 months.
Tertiary efficacy endpoints will be evaluated from 1 to 12 months depending of the test.
Exploratory efficacy endpoints at 9 and 12 months. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 3 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 50 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 8 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 8 |