E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
Ulcerative Colitis, a form of inflammatory bowel disease. |
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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 | 20.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10045365 |
E.1.2 | Term | Ulcerative colitis |
E.1.2 | System Organ Class | 100000004856 |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10045366 |
E.1.2 | Term | Ulcerative colitis, unspecified |
E.1.2 | System Organ Class | 100000004856 |
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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 assess the efficacy of etrasimod when administered for 12 weeks on clinical remission in subjects with moderately to severely active ulcerative colitis (UC). |
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E.2.2 | Secondary objectives of the trial |
Secondary: The secondary objective is to assess the efficacy of etrasimod when administered for 12 weeks on clinical response, symptomatic response and remission, endoscopic changes, and mucosal healing in subjects with moderately to severely active UC.
Safety: The safety objective is to assess the safety of etrasimod after daily doses of 2 mg for 12 weeks in subjects with moderately to severely active UC.
Other: Other objectives include evaluation of etrasimod pharmacokinetics (PK) and the effect of etrasimod on health related subject reported outcomes and biomarkers. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Men, women and adolescents 16 to 80 years of age 2. Ability to provide written informed consent or assent (parent or legal guardian must provide consent for a subject < 18 years of age who has assented to participate in the study or as required per local regulations) and to be compliant with the schedule of protocol assessments. Enrollment of subjects < 18 years should be conducted only if acceptable according to local laws and regulations. 3. Diagnosed with UC ≥ 3 months prior to screening. The diagnosis of UC must be confirmed by endoscopic and histologic evidence. The endoscopy and histology report should be present in the source documents; however, if not available, the screening endoscopy and histology may serve as such 4. Active UC confirmed by endoscopy with ≥ 10 cm rectal involvement. Inclusion of subjects with proctitis only at baseline will be capped at 15% of the total subjects enrolled. c. A male must agree to use condoms during treatment and for 4 weeks following treatment. 5. Moderately to severely active UC defined as MMS of 4 to 9, including an ES of ≥ 2 and RB score ≥ 1 6. Received a surveillance colonoscopy (performed according to local standard) within 12 months before baseline to rule out dysplasia in subjects with pancolitis > 8 years duration or subjects with left-sided colitis > 12 years duration. Subjects without a surveillance colonoscopy within the prior 12 months will have a colonoscopy at screening (ie, in place of screening proctosigmoidoscopy). Any adenomatous polyps must be removed prior to their first dose of study treatment. 7. Demonstrated an inadequate response to, loss of response to, or intolerance to at least 1 of the following therapies as defined below: Conventional therapy a. Corticosteroids b. Thiopurines Biologic therapy or JAK inhibitor therapy a. Antitumor necrosis factor alpha (TNFα) antibodies (eg, infliximab, adalimumab, golimumab, or biosimilars) b. Anti integrin antibodies (eg, vedolizumab) c. JAK inhibitors (eg, tofacitinib) 8. Subjects are permitted to be receiving a therapeutic dose of the following drugs: • Oral 5 ASA compounds provided the dose has been stable for ≥ 2 weeks immediately prior to randomization • Oral corticosteroid therapy (prednisone at a stable dose ≤ 20 mg/day, budesonide at a stable dose ≤ 9 mg/day, or equivalent steroid) provided the dose has been stable for the 4 weeks immediately prior to the screening endoscopy assessment • Immunosuppressive agents such as oral azathioprine or 6 mercaptopurine must be discontinued ≥ 2 weeks prior to randomization • Probiotics (eg, Culturelle®, Saccharomyces boulardii) provided the dose has been stable for the 2 weeks immediately prior to randomization • Antidiarrheals (eg, loperamide, diphenoxylate with atropine) for control of chronic diarrhea If oral aminosalicylates or corticosteroids have been recently discontinued, they must have been stopped for at least 2 weeks prior to the endoscopy used for the baseline MMS. 9. Vital signs at screening and prerandomization taken in the sitting position: heart rate ≥ 50 bpm, systolic blood pressure (BP) ≥ 90 mm Hg, and diastolic BP ≥ 55 mm Hg 10. Screening and prerandomization 12 lead electrocardiogram (ECG) showing no clinically significant abnormalities with a PR interval ≤ 200 ms, Fridericia's corrected QT interval (QTcF) < 450 ms (men) or QTcF < 470 ms (women) 11. Adequate hematological function 12. Adequate hepatic function. Subjects with an isolated total bilirubin and normal AST and ALT diagnosed with Gilbert's syndrome may participate 13. Adequate renal function 14. Females must meet either a or b of the following criteria and males must meet criterion c to qualify for the study: a. A female who is not of childbearing potential must meet 1 of the following: Postmenopausal, defined as no menses for 12 months without an alternative medical cause; Permanent sterilization procedure, such as hysterectomy, bilateral salpingectomy, or bilateral oophorectomy. b. A female who is of childbearing potential must agree to use a highly effective contraception method during treatment, and for 4 weeks following treatment. The following are considered highly effective birth control methods include: Combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation, which may be oral, intravaginal, or transdermal. Progestogen-only hormonal contraception associated with inhibition of ovulation, which may be oral, injected, or implanted. Intrauterine device. Intrauterine hormone-releasing system. Bilateral tubal occlusion. Vasectomized partner, provided that partner is the sole sexual partner of the WOCBP and that the vasectomized partner has received medical assessment of the surgical success. Sexual abstinence (complete sexual abstinence defined as refraining from heterosexual intercourse for the entire period of risk associated with study treatments). |
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E.4 | Principal exclusion criteria |
1. Severe extensive colitis as evidenced by: • Physician judgment that the subject is likely to require hospitalization for medical care or surgical intervention of any kind for UC (eg, colectomy) within 12 weeks of baseline • Current evidence of fulminant colitis, toxic megacolon or recent history (within last 6 months) of toxic megacolon, or bowel perforation • Previous total or partial colectomy 2. Diagnosis of Crohn's disease or indeterminate colitis or the presence or history of a fistula consistent with Crohn's disease 3. Diagnosis of microscopic colitis, ischemic colitis, or infectious colitis 4. Hospitalization for exacerbation of UC requiring intravenous (IV) steroids within 12 weeks of screening (a single dose of IV steroids given is acceptable) 5. Positive assay or stool culture for pathogens or positive test for Clostridium difficile toxin at screening 6. Pregnancy, lactation, or a positive serum β hCG measured during screening 7. Clinically relevant hematologic, hepatic, neurological, pulmonary, ophthalmological, endocrine, metabolic, psychiatric or other major systemic disease making implementation of the protocol or interpretation of the study difficult or would put the subject at risk 8. Recent history (within 6 months of the Screening) of cardiovascular disease, including myocardial infarction or unstable angina, stroke/ transient ischemic attack, decompensated heart failure (requiring inpatient treatment), or New York Heart Association Class III/IV heart failure 9. Any history of the following, unless treated with an implanted pacemaker or an implanted cardioverter-defibrillator with pacing: • History or presence of symptomatic bradycardia • History of sick sinus syndrome or neurocardiogenic syncope • Second or third degree AV block • Periods of asystole > 3 seconds 10. Forced expiratory volume at 1 second (FEV1) or forced vital capacity (FVC) < 70% of predicted values and FEV1/FVC ratio < 0.70 at screening 11. Uncontrolled diabetes at screening, or subjects with diabetes with significant comorbid conditions such as retinopathy 12. History of macular edema or retinopathy 13. Current or past history of active tuberculosis (TB), history of untreated latent TB infection, or test positive for latent TB infection at screening. 14. Known active bacterial, viral, fungal, mycobacterial infection, or other infection or any major episode of infection that required hospitalization or treatment with IV antibiotics within 30 days of screening or during screening or oral antibiotics within 14 days prior to screening. Fungal infection of nail beds is allowed 15. Have HIV/acquired immune deficiency syndrome or test positive for HIV antibodies at screening 16. Have acute or chronic hepatitis B infection or test positive for hepatitis B virus (HBV) at screening 17. Have current hepatitis C infection or test positive for hepatitis C virus (HCV) at screening 18. History of an opportunistic infection (eg, pneumocystis carinii, cryptococcal meningitis, progressive multifocal leukoencephalopathy) or serious bacterial, viral, or fungal infections (eg, disseminated herpes simplex, disseminated herpes zoster) requiring IV medication(s) ≤ 3 weeks prior to randomization 19. History of or currently active primary or secondary immunodeficiency 20. History of cancer within the last 5 years, including solid tumors and hematological malignancies (except basal cell and in situ squamous cell carcinomas of the skin that have been excised and resolved) or colonic mucosal dysplasia 21. History of lymphoproliferative disorder, lymphoma, leukemia, myeloproliferative disorder, or multiple myeloma 22. History of alcohol or drug abuse within 1 year of randomization 23. Hypersensitivity to etrasimod or any of the excipients or placebo compounds 24. Prior treatment with sphingosine 1 phosphate receptor modulators 25. Treatment with a biologic agent within 8 weeks or 5 elimination half lives, prior to randomization 26. Treatment with an investigational therapy within 3 months prior to randomization 27. Treatment failure with ≥ 3 biologic agents or ≥ 2 biologics plus a JAK inhibitor 28. Treatment with topical rectal 5 ASA, short chain fatty acid enemas, or steroids within 2 weeks of screening or during screening 29. Treatment with cyclosporine, tacrolimus, sirolimus, methotrexate, or mycophenolate mofetil within 16 weeks of screening 30. Receipt of a live vaccine within 4 weeks prior to randomization 31. Previous treatment with natalizumab 32. Previous treatment with lymphocyte-depleting therapies 33. Previous treatment with D penicillamine, leflunomide, or thalidomide 34. Treatment with IV immune globulin or plasmapheresis within 3 months prior to randomization 35. Chronic use of therapies that moderately/strongly inhibit/induce cytochrome P450 (CYP) 2C8 and 2C9 metabolism and inhibitors of UGT1A7 within 4 weeks prior to randomization. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy endpoints will evaluate etrasimod versus placebo in: • The proportion of subjects in clinical remission at Week 12 |
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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) |
The key secondary efficacy endpoints are: • The proportion of subjects achieving endoscopic improvement at Week 12 • Proportion of subjects with mucosal healing at Week 12
The other secondary endpoints are: • Proportion of subjects with a clinical response at Week 12 • Proportion of subjects with endoscopic improvement at Week 12 • Proportion of subjects with endoscopic normalization at Week 12 • Proportions of subjects with clinical response of RB and SF symptom outcomes at each of the following time points: Weeks 2, 4, 8, and 12 • Proportions of subjects with clinical remission of RB and SF symptom outcomes at each of the following time points: Weeks 2, 4, 8, and 12
Exploratory efficacy endpoints are: • Proportion of subjects with remission and response using total Mayo Clinic score at Weeks 12 • Proportion of subjects with histologic remission at Week 12 (as defined by the Geboes, Robarts, and Nancy histopathology scores) • Proportion of subjects with histologic improvement at Week 12 (as defined by the Geboes, Robarts, and Nancy histopathology scores) • Proportion of subjects with improvement in EIMs at Weeks 12 in subjects with EIMs at baseline
Other Efficacy Related Endpoints Health Related Quality of Life • Scores and change from baseline to Week 12 in the following: - IBDQ total score - UC PRO/SS - SF 36, version 2, physical and mental component and domain scores - WPAI-UC - Urgency NRS - Abdominal pain NRS • Proportion of subjects with UC-related hospitalizations • Proportion of subjects requiring UC-related surgeries, including colectomy
Pharmacokinetics • Plasma concentrations of etrasimod, M3 (AR503641), and other metabolite(s) of interest (if warranted) will be assessed from samples collected prior to dosing and 4 hours (± 15 minutes) post dose (after 12-lead ECG) on Week 0/Day 1 • Plasma concentrations of etrasimod, M3 (AR503641), and other metabolite(s) of interest (if warranted) will be assessed from samples collected prior to dosing (trough) at Weeks 2, 4, 8, and 12
Biomarkers • Change from baseline in level of fecal calprotectin at Weeks 4, 8, and 12 • Change from baseline in level of hs CRP at Weeks 2, 4, 8, and 12 • Change and percentage change from baseline in lymphocyte counts at Weeks 2, 4, 8, and 12
Safety Endpoints • Incidence and severity of adverse events • Incidence and severity of laboratory abnormalities, and change from baseline in laboratory values (to include hematology, serum chemistry, coagulation, and urinalysis) • Incidence of clinically significant vital sign abnormalities and changes from baseline |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | Yes |
E.6.12 | Pharmacoeconomic | Yes |
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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
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 | 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 | 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 | 13 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 253 |
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 |
Argentina |
Australia |
Austria |
Belarus |
Belgium |
Brazil |
Bulgaria |
Canada |
Chile |
China |
Croatia |
Czech Republic |
Denmark |
Egypt |
Estonia |
France |
Georgia |
Germany |
Hungary |
India |
Israel |
Italy |
Korea, Republic of |
Latvia |
Lebanon |
Lithuania |
Mexico |
Moldova, Republic of |
Netherlands |
Poland |
Portugal |
Romania |
Russian Federation |
Serbia |
Slovakia |
South Africa |
Spain |
Switzerland |
Taiwan |
Thailand |
Turkey |
Ukraine |
United Kingdom |
United States |
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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 | 1 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 6 |