E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
NLRC4-GOF, AIFEC (autoinflammation with infantile enterocolitis) |
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E.1.1.1 | Medical condition in easily understood language |
Autoinflammation with infantile enterocolitis |
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E.1.1.2 | Therapeutic area | Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 23.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10084306 |
E.1.2 | Term | Autoinflammation with infantile enterocolitis |
E.1.2 | System Organ Class | 10010331 - Congenital, familial and genetic disorders |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To determine the efficacy of MAS825 in prevention of flares in NLRC4-GOF patients
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E.2.2 | Secondary objectives of the trial |
- To evaluate the safety and tolerability in patients with NLRC4-GOF
- Evaluate the serological markers of MAS825
- Evaluate efficacy of MAS825 to improve clinical status of NLRC4-GOF patients
- Evaluate efficacy of MAS825 to achieve serological remission
- Evaluate the effect of MAS825 on concomitant glucocorticoid administration
- Evaluate effect of MAS825 on the time to first flare in patients with NLRC4-GOF
- Evaluate the efficacy of MAS825 to improve signs and symptoms of NLRC4-GOF
- Evaluate effect of MAS825 on patient reported outcomes in patients with NLRC4-GOF over time |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Male and female patients weighing at least 3 kg
2.Written informed consent by parent(s)/legal guardian(s) for the pediatric patients and assent by the pediatric patient (depending on local requirements) must be obtained before any study-specific
assessment is performed. For adult patients, written informed consent by patients capable of giving consent, or, when the patient is not capable of giving consent, by his or her legal/authorized representative (if allowed according to local requirements).
3.Patients with genetic diagnosis of NLRC4-GOF
4.Clinical history and investigations consistent with autoinflammation with infantile enterocolitis (AIFEC/NLRC4-GOF)
5.At first treatment, evidence of active disease |
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E.4 | Principal exclusion criteria |
1.History of hypersensitivity to any of the study drugs or to drugs of similar chemical classes or to any of the excipients.
2.Signs and symptoms, in the judgment of the investigator, of clinically significant systemic recurrent and/or evidence of active bacterial, fungal, parasitic or viral infections.
- COVID-19 specific: If in line with health and governmental authority guidance, it is highly recommended that testing to exclude COVID-19 using PCR or comparable approved methodology be completed within 1 week prior to first dosing.
3.Any conditions or significant medical problems, which in the opinion of the investigator places the patient at unacceptable risk for MAS825 therapy
4.Previous treatment with anti-rejection and/or immunomodulatory drugs within the past 28 days or 5 half-lives (whichever is the longer) for immunomodulatory therapeutic antibodies (or as listed in the prohibited medications section) prior to MAS825 treatment with the exceptions of glucocorticoids, cyclosporin and targeted binding or blocking therapies.
5.A positive HIV test result at Screening. Evidence of prior testing within 3 months is sufficient.
6.A positive Hepatitis B surface antigen (HBsAg) or Hepatitis C test result. Evidence of prior testing within 3 months is sufficient.
7.Presence of tuberculosis infection as defined by a positive TB test at Screening. Evidence of prior testing within 3 months is sufficient.
8.Live vaccinations within 1 month prior to MAS825 treatment, during the trial, and up to 3 months following the last dose.
9.Female patients of child-bearing potential (or Tanner stage 2 or above) who are or might become sexually active, agree to use highly effective contraceptive methods to prevent pregnancy while on MAS825 therapy |
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E.5 End points |
E.5.1 | Primary end point(s) |
Occurrence of disease flare in patients with MAS825 treated patients compared with placebo during Period 2 assessed by Physician's Global Assessment and inflammatory markers |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
- Number and severity of safety assessments and adverse events
- Confirmation of serological markers of MAS825
- PGA and inflammatory markers at Day 29, end of Period 1 and 2
- Serological remission via inflammatory markers
- Glucocorticoid therapy <0.2mg/kg by end of period 1
- Time to first flare during period 2
- Physician Severity Assessment of Disease Signs and Symptoms scale
- Patient' / Parent's global assessment of disease activity (PPGA) scale |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Multiple time points up to End of Study visit |
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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 | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
Tolerability, immunogenicity |
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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 | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
Sequential; randomized withdrawal |
|
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 | 2 |
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 | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 5 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Japan |
United States |
Czechia |
France |
Italy |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 9 |
E.8.9.1 | In the Member State concerned days | 3 |
E.8.9.2 | In all countries concerned by the trial years | 4 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |