E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Moderate to severe ulcerative colitis (UC); moderate to severe Crohn’s disease (CD) |
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E.1.1.1 | Medical condition in easily understood language |
UC and CD are types of inflammatory bowel disease (IBD) that affects the lining of the digestive tract |
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E.1.1.2 | Therapeutic area | Diseases [C] - Digestive System Diseases [C06] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10011401 |
E.1.2 | Term | Crohn's disease |
E.1.2 | System Organ Class | 10017947 - Gastrointestinal disorders |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10009900 |
E.1.2 | Term | Colitis ulcerative |
E.1.2 | System Organ Class | 10017947 - Gastrointestinal disorders |
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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 the pharmacokinetics (PK) and pharmacodynamics (PD)of etrolizumab in a pediatric IBD patient population (Randomized Treatment Phase) |
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E.2.2 | Secondary objectives of the trial |
•To evaluate the overall safety and tolerability of etrolizumab in pediatric population (Randomized Treatment Phase)
•To evaluate long-term safety and efficacy of etrolizumab in pediatric population (Open–label Extension Phase)
•Post-trial safety surveillance with focus on progressive multifocal leukoencephalopathy (PML) monitoring in patients who have stopped treatment (PML Monitoring Phase)
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Age of 4 years to < 18 years
- Weight of 13 kg or more
- Diagnosis of UC or CD confirmed by biopsy and established for >= 3 months prior to screening
- Inadequate response, loss of response or intolerance to prior immunosuppressants and/or corticosteroid treatment and/or anti-TNF therapy
- For patients with UC: moderately to severely active UC as determined by an MCS of 6-12 with an endoscopic subscore >= 2 and a rectal bleeding subscore >= 1
- For patients with CD: moderately to severely active CD as determined by a Pediatric Crohn’s Disease Activity Index (PCDAI) score of >30 at baseline
- Patients must meet the surveillance colonoscopy requirements such as document evidence of surveillance for dysplasia every 1 to 2 years, beginning approximately 7 to 10 years after their initial diagnosis
- For postpubertal females of childbearing potential: agreement to remain abstinent or use acceptable contraceptive methods during the treatment period and for at least 24 weeks after the last dose of etrolizumab
- For male patients: agreement to remain abstinent or use contraceptive measures, and agreement to refrain from donating sperm for at least 24 weeks after the last dose of study drug to avoid exposing the embryo to study drug |
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E.4 | Principal exclusion criteria |
For IBD
- Prior extensive colonic resection, subtotal or total colectomy, or planned surgery
- Past or present ileostomy or colostomy and a history or current evidence of colonic mucosal dysplasia
- Diagnosis of indeterminate colitis, toxic megacolon within 12 months of initial screening visit
- Suspicion of ischemic colitis, radiation colitis, or microscopic colitis
- Abdominal abscessl
- Patients with fixed symtomatic stenosis of the intestine and having history or evidence of adenomatous colonic polyps that have not been removed and who are not up to date on vaccinations per the local vaccine schedule will be excluded
For UC
- Severe extensive colitis per investigator judgment that colectomy is imminent or the patient has two of the mentioned five symptoms at screening or baseline visit such as 6 bowel movements daily with obvious blood, abdominal examination worrisome for imminent surgery, persistent fever, tachycardia and anemia
For CD
- Sinus tract with evidence for infection in the clinical judgment of the investigator, short-bowel syndrome and evidence of abdominal or perianal abscess
- Expected to require surgery to manage CD-related complications during the study
For Prior or Concomitant Therapy
- Any prior treatment with anti-integrins, ustekinumab,anti-adhesion molecules and rituximab
- Use of intravenous (IV) steroids within 30 days prior to screening with the exception of a single administration of IV steroid, use of agents that deplete B or T cells within 12 months prior to Day (D)1, with the exception of azathioprine and 6 mercaptopurine; use of cyclosporine, tacrolimus, sirolimus, or mycophenolate mofetil within 4 weeks prior to D1, other biologics within 8 weeks before dosing (unless drug level is below detectability before completion of the 8-week interval) and use of chronic nonsteroidal anti-inflammatory drug and anticoagulants and apheresis within 2 weeks prior to D1
- Received any investigational treatment including investigational vaccines within 12 weeks prior to D1 of the study or 5 half-lives of the investigational product
- History of moderate or severe allergic or anaphylactic/anaphylactoid reactions to chimeric, human, or humanized antibodies, fusion proteins, or murine proteins or hypersensitivity to etrolizumab or any of excipients
For General Safety
- Lack of peripheral venous access
- Congenital or acquired immune deficiency
- Significant uncontrolled comorbidity, such as cardiac, pulmonary, renal, hepatic, endocrine, or gastrointestoinal disorders (excluding UC and CD) and clinically significant abnormalities on the screening PML Subjective Checklist
- Neurological conditions or diseases that may interfere with PML monitoring
- History of demyelinating disease , major neurological disorder and cancer
- Conditions other than UC or CD that could require treatment with >10 mg/day of prednisone during course of the study
For Infection Risk
- Congenital or acquired immune deficiency
- Patients must undergo screening for HIV and test positive for preliminary, confirmatory tests and hepatitis B virus
- Positive hepatitis C virus (HCV) antibody test result, unless patient who has undetectable HCV RNA levels for >6 months after completing a successful course of HCV anti-viral treatment and an undetectable HCV RNA at screening or who has a known history of HCV antibody positivity with a history of undetectable HCV RNA and undetectable HCV RNA at screening in absence of history of HCV anti-viral treatment
- Positive stool test result for ova or parasites or positive stool culture for pathogens at time of screening
- Evidence of or treatment for Clostridium difficile, other intestinal pathogens and clinically significant cytomegalovirus colitis within 60,30 and 60 days prior to D1 respectively. Laboratory confirmation of CMV from colon biopsy sample is required during screening evaluation only if clinical suspicion is high and to determine the need for CMV treatment
- History of active or latent treated tuberculosis (TB) and organ transplant and recurrent opportunistic and/or history of severe disseminated viral infections
- Suspicion of active TB on chest radiograph taken within 3 months of randomization
- Any major episode of infection requiring treatment with IV antibiotics or oral antibiotics within 8 and within 4 weeks prior to screening and received a live attenuated vaccine within 4 weeks prior to D1
For Laboratory Values (at Screening)
- Serum creatinine >1.5 times upper limit of normal (ULN), alanine transaminase or aspartate transaminase >3 ULN, or alkaline phosphatase >3 ULN, or total bilirubin >2.5 ULN
- In patients with diabetes: glycosylated hemoglobin > 8.0%, platelet count <100,000/mL, hemoglobin <8 g/dL, absolute neutrophil count <1500/mL, absolute lymphocyte count <500/mL |
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E.5 End points |
E.5.1 | Primary end point(s) |
1.Maximum concentration observed (Cmax) (Randomized Treatment Phase)
2.Area under the concentration-time curve within a dosing interval (AUCtau) (Randomized Treatment Phase)
3.Elimination half-life (t1/2) (Randomized Treatment Phase)
4.Steady-state concentration at the end of a dosing interval (Ctrough) (Randomized Treatment Phase)
5.PD parameters: β7 receptor occupancy by flow cytometry on peripheral blood lymphocytes (Randomized Treatment Phase)
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
1-4. Treatment period: D1 of Week (W)0;D4;D28 (W4); D56 (W8); D60 and 70; D84 (W12); D88 and 98; D112 (W16) and at unscheduled visit and early withdrawal from treatment or discontinuation
Safety follow-up period: At D126 (W18), D140 (W20) and D168 (W24) or early withdrawal visit
5. Treatment period: D1 (W0), D4, D56 (W8), D84 (W12), D98, D112 (W16) and at unscheduled visit and early withdrawal from treatment or discontinuation
Safety follow-up period: At D126 (W18), D140 (W20) and D168 (W24) or early withdrawal visit
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E.5.2 | Secondary end point(s) |
1.Incidence and severity of infection-related adverse events (Randomized Treatment and Open–Label Extension Phase)
2.Incidence of immunogenic responses (anti-drug antibodies [ADAs]) (Randomized Treatment Phase)
3.Incidence and severity of hypersensitivity reaction events (Randomized Treatment and Open–Label Extension Phase)
4.Incidence and severity of malignancies (Open–Label Extension Phase)
5.Incidence of ADAs to etrolizumab (Open–Label Extension Phase)
6.Clinical response at W132, as assessed by the Pediatric Ulcerative Colitis Activity Index (UC) and Pediatric Crohn's Disease Activity Index (CD) (Open–Label Extension Phase)
7.Occurrence of confirmed PML events (PML Monitoring Phase)
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1-5. Up to 5 years
6. At W132
7. Up to 104 weeks |
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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 | Yes |
E.6.7 | Pharmacodynamic | Yes |
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) | Yes |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
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E.7.2 | Therapeutic exploratory (Phase II) | No |
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 | No |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
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 | No |
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 | 13 |
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 | No |
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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The end of this study is defined as the date when the last patient, last visit (LPLV) occurs or the date at which the last data point required for PK/PD or statistical analysis or safety follow-up is received from the last patient, whichever occurs later. The end of the study is expected to occur 108 months after the last patient is enrolled. The total length of the study, from screening of the first patient to the end of the study, is expected to be
approximately 9 years. |
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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 | 9 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 9 |