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Efficacy and Safety Trial of RPC1063 for Moderate to Severe Crohn's Disease

A Phase 2, Multi-Center, Open-Label Induction Trial With Extension Period to Access Endoscopic Improvement and Changes in Intestinal and Serum Biomarkers in Patients With Moderately to Severely Active Crohn's Disease Receiving Oral RPC1063 as Induction Therapy

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02531113
Enrollment
69
Registered
2015-08-24
Start date
2015-10-09
Completion date
2019-11-28
Last updated
2021-01-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Crohn's Disease

Brief summary

The purpose is to determine whether RPC1063 is effective in the treatment of Crohn's disease.

Detailed description

This open-label trial is composed of two periods: Induction and Extension. All eligible patients will be enrolled into the 12-Week Induction period and receive study medication. Patients who complete the Induction period may then be eligible to enter the 100-Week Extension period where they will continue to receive study medication.

Interventions

Sponsors

Celgene
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Crohn's disease (CD) confirmed by endoscopy and histology * Active disease as evaluated by Crohn's Disease Activity Index Score and Simple Endoscopic Score for CD * Inadequate response to aminosalicylates, corticosteroids, immunomodulators or biologic therapy Key

Exclusion criteria

* Diagnosis of ulcerative colitis or indeterminate colitis * Known strictures/stenosis leading to symptoms of obstruction * Current stoma or need for ileostomy or colostomy * Clinically relevant cardiovascular conditions or other relevant diseases that could impact the implementation or interpretation of the trial, or put the patient at risk * History of uveitis or known macular edema * History of colonic dysplasia

Design outcomes

Primary

MeasureTime frameDescription
Change in Simple Endoscopic Score for Crohn's Disease (SES-CD) (Paired Segments) From Baseline at Week 12 as Determined by a Blinded Central Reader.Baseline to Week 12The simple endoscopy score (SES-CD) assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease.

Secondary

MeasureTime frameDescription
The Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension PeriodFrom the first day of ozanimod up to 90 days after the last dose of ozanimod; mean duration of exposure of study drug was 1.305 yearsA TEAE = any event with an onset date on or after the first dose date, or any ongoing event on the first dose date that worsens in severity or after the first dose date and until 90 days following the last dose of study drug treatment. An AE = untoward medical occurrence in a patient or clinical investigation patient administered a pharmaceutical product, which that does not necessarily have a causal relationship with the investigational treatment. An AE can be any unfavorable or unintended sign, symptom, or disease temporally associated with the use of an investigational medicinal product, whether or not considered related to the investigational medicinal product. A serious AE (experience) or reaction is any untoward medical occurrence that at any dose * Results in death * Is life-threatening * Requires inpatient hospitalization or prolongation of existing hospitalization * Results in persistent or significant disability/incapacity, or * Is a congenital abnormality/birth defect

Other

MeasureTime frameDescription
Percentage of Participants Who Achieved a Clinical Response Based on Crohn's Disease Activity Index (CDAI) at Week 12Week 12Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 12Week 12The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days, stool frequency (SF) and abdominal pain (AP) (rated on a scale of 0-3) assessed for 7 days. Clinical Remission (SF and AP remission) was defined as the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 12Week 12Clinical response based on PRO2 was defined as PRO2 decrease of ≥50% from baseline. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 12 (Paired Segments)Week 12Endoscopic remission is defined as SES-CD ≤ 4 points and a SES-CD decrease ≥ 2 points with no SES-CD sub-score \>1point. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved an Endoscopic Response-50 (Paired Segment) Based on Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 12Week 12Endoscopic Response is defined as a SES-CD decrease from baseline of ≥ 50%. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Change in Roberts Intestinal Histopathology Index From Baseline (Paired Segments) at Week 12Week 12Changes in intestinal mucosa histopathologic features and disease activity were assessed by blinded pathologists. Robarts Histopathology Index (RHI) had a maximum total score of 165, with higher scores indicating more severe histological disease. Baseline was defined as the last non-missing record on or before the first dose of study drug.
Improvement in Perianal and Enterocutaneous FistulasWeek 12The assessment is based on two parameters: whether the fistula is draining and whether it's open or closed. This is assessment was only on participants that had a fistula at baseline.
Percentage of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 52 - Observed CasesWeek 52Endoscopic remission is defined as SES-CD ≤ 4 points and a SES-CD decrease ≥ 2 points with no SES-CD sub-score \>1point. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved an Endoscopic Response-50 Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 52Week 52Endoscopic Response is defined as a SES-CD decrease from baseline of ≥ 50%. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method..
Percentage of Participants Who Achieved Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 52Week 52Clinical Remission is defined as a CDAI score of \< 150. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved a Clinical Response Based on CDAI at Week 52Week 52Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 52Week 52Clinical Remission is defined as the participants with the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days.
Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 52Week 52Clinical response based on PRO2 was defined as PRO2 decrease of ≥50% from baseline. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Change in the Crohn's Disease Activity Index (CDAI) Score From Baseline at Week 12Baseline to Week 12The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. Baseline was defined as the last non-missing record on or before the first dose of study drug.
Percentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Weeks 4 and 8Weeks 4 and 8Clinical Remission is defined as a CDAI score of \< 150. The CDAI is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved a Clinical Response Based on CDAI at Weeks 4 and 8Weeks 4 and 8Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% CI was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Weeks 4 and 8Weeks 4 and 8The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days, stool frequency (SF) and abdominal pain (AP) (rated on a scale of 0-3) assessed for 7 days. Clinical Remission (SF and AP remission) was defined as the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures at Weeks 4 and 8Weeks 4 and Week 8Clinical response based on PRO2 was defined as PRO2 decrease of ≥50%. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants With RHI Healing at Week 52Week 52Changes from baseline in intestinal mucosa histopathologic features and disease activity were assessed by blinded pathologists. Robarts Histopathology Index (RHI) had a maximum total score of 165, with higher scores indicating more severe histological disease. Baseline was defined as the last non-missing record on or before the first dose of study drug. The Robarts Histopathology Index (RHI) is a recently validated instrument that measures histological disease activity in ulcerative colitis. RHI Mucosal Healing was defined as a composite endpoint of being a responder for endoscopic remission and RHI remission.
Change in Fecal Calprotectin (Observed Cases) at Weeks 12 and 52Baseline to Weeks 12 and Week 52Change in fecal calprotectin (observed cases) determined by comparing measurements at weeks 12 and 52 to baseline measurement.
Change in Serum C-Reactive Protein (CRP) Levels From Baseline (Observed Cases) at Weeks 12 and 52Baseline to Weeks 12 and 52Change in Serum C-Reactive Protein was determined by comparing to baseline.
Changes in Biomarkers: Percentage of Participants With CRP Response-10 - Non-responder ImputationWeek 12, Week 52The percentage of participants with a CRP Response-10 was assessed. CRP Response-10 is defined as C-reactive protein \< 10 mg/L.
Changes in Biomarkers: Percentage of Participants With FCP Response-250 - Non-responder ImputationWeek 12, Week 52The percentage of participants with a FCP Response-250 was assessed. FCP Response-250 is defined as Fecal calprotectin \< 250 ug/g.
Improvement in Perianal and Enterocutaneous Fistulas in Participants With Fistula's From Baseline at Weeks 4 and 8Baseline to Week 4 and 8The assessment is based on two parameters: whether the fistula is draining and whether it's open or closed. This is assessment was only on participants that had a fistula at baseline.
Pharmacokinetic Plasma Concentration of OzanimodFrom Day 1 to Week 52Summary of concentrations of Ozanimod in RPC01-2201 by scheduled visit.
PK Plasma Concentration of Active Metabolite CC-112273From Day 1 to Week 52Summary of concentrations of CC-112273 in RPC01-2201 by scheduled visit.
Change From Baseline in Absolute Lymphocyte Count (ALC) Derived From Hematology Laboratory Results at Weeks 4, 8 and 12Baseline up to Weeks 4, 8 and 12Change in Absolute Lymphocyte Count (ALC) from baseline was determined by comparied to baseline.
Percentage of Participants in Clinical Remission Based on CDAI and PRO2 Definitions Who Were Off Corticosteroids at Week 52 of Those on CorticosteroidsWeek 52Clinical Remission is defined as CDAI score of \< 150. The CDAI is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI uses a questionnaire with responses scored numerically and weighted. The weighted sum of the 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, general well-being for 7 days, presence of complications, taking diarrhea medication, abdominal mass, hematocrit and percentage deviation from standard weight. The typical range of CDAI score is 0 to \> 600. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.
Percentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 12Week 12Clinical Remission is defined as a CDAI score of \< 150. The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Countries

Canada, Hungary, Poland, Ukraine, United States

Participant flow

Recruitment details

Sixty-nine adult participants were enrolled from 28 sites located in Europe and North America.

Pre-assignment details

Eligible participants must have had a Crohn's Disease Activity Index (CDAI) score of 220 to 450 inclusive with an Simple Endoscopic Score for Crohn's Disease (SES-CD) score of ≥ 6 and an average daily stool score ≥ 4 points and/or an average daily abdominal pain score of ≥ 2 points.

Participants by arm

ArmCount
Ozanimod Hydrochloride (HCl) 1 mg
Participants received ozanimod 1 mg capsules daily for the first 12 weeks of the induction period (an initial 7-day dose escalation regimen that consisted of 4 days of ozanimod HCl 0.25 mg (equivalent to ozanimod 0.23 mg) daily followed by 3 days of ozanimod HCl 0.5 mg (equivalent to ozanimod 0.46 mg) daily, with the final dose of ozanimod HCl 1 mg (equivalent to ozanimod 0.92 mg) daily dose reached on Day 8. Participants who completed the induction period had the opportunity at Week 12 to continue to receive ozanimod 1 mg capsules daily during the extension period up to an additional 148 weeks, provided that the investigator determined that the participant should continue. Participants in the extension period continued to receive ozanimod 1 mg capsules daily through Week 160. Participants who completed the Week 160 visit had the option to continue open-label ozanimod 1 mg capsules by immediately entering the open-label extension Phase 3 Crohn's Disease Study RPC01-3204 (NCT03467958).
69
Total69

Withdrawals & dropouts

PeriodReasonFG000
Extension Period: Week 12 up to Week 160Adverse Event5
Extension Period: Week 12 up to Week 160Lack of Efficacy19
Extension Period: Week 12 up to Week 160Physician Decision2
Extension Period: Week 12 up to Week 160Pregnancy1
Extension Period: Week 12 up to Week 160Withdrawal by Subject11
Induction Period: Week 0 to 12Adverse Event4
Induction Period: Week 0 to 12Lack of Efficacy4
Induction Period: Week 0 to 12Withdrawal by Subject3

Baseline characteristics

CharacteristicOzanimod Hydrochloride (HCl) 1 mg
Age, Continuous37.7 Years
STANDARD_DEVIATION 11.97
C-reactive Protein (mg/L) at Baseline18.2 (mg/L)
STANDARD_DEVIATION 25.36
Crohn's Disease Activity Index (CDAI) Score at Baseline322.8 Units on a Scale
STANDARD_DEVIATION 59.19
Daily Abdominal Pain Score at Baseline2.05 Units on a Scale
STANDARD_DEVIATION 0.526
Daily Stool Frequency (SF) at Baseline6.15 Stools/day
STANDARD_DEVIATION 2.792
Disease Location
Colon Only
26 Participants
Disease Location
Ileocolonic (Ileum and Colon)
32 Participants
Disease Location
Ileum Only
11 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
64 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Fecal Calprotectin at Baseline1158.17 μg/g
STANDARD_DEVIATION 1231.267
Prior Corticosteroid Use
No Prior Use of Corticosteroids
7 Participants
Prior Corticosteroid Use
Prior Use of Corticosteroids
62 Participants
Prior Use of Immunomodulator
No Prior Use of Immunomodulator
31 Participants
Prior Use of Immunomodulator
Prior Use of Immunomodulator
38 Participants
Race/Ethnicity, Customized
Asian
1 Participants
Race/Ethnicity, Customized
Black or African American
7 Participants
Race/Ethnicity, Customized
Other
1 Participants
Race/Ethnicity, Customized
White
60 Participants
Sex: Female, Male
Female
36 Participants
Sex: Female, Male
Male
33 Participants
Simple Endoscopic Score for Crohn's Disease (SES-CD) at Baseline13.28 Units on a Scale
STANDARD_DEVIATION 6.584
Years Since Crohn's Disease Diagnosis8.9 Years
STANDARD_DEVIATION 8.53

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 69
other
Total, other adverse events
47 / 69
serious
Total, serious adverse events
18 / 69

Outcome results

Primary

Change in Simple Endoscopic Score for Crohn's Disease (SES-CD) (Paired Segments) From Baseline at Week 12 as Determined by a Blinded Central Reader.

The simple endoscopy score (SES-CD) assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease.

Time frame: Baseline to Week 12

Population: The intent to treat population = all enrolled participants who received at least one dose of ozanimod. For paired segment scores, any missing segment scores, were imputed by non-missing score used in previous visit. Analysis for change from baseline includes those with data available at baseline and visit.

ArmMeasureValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgChange in Simple Endoscopic Score for Crohn's Disease (SES-CD) (Paired Segments) From Baseline at Week 12 as Determined by a Blinded Central Reader.-2.3 Units on a ScaleStandard Deviation 6.2
Secondary

The Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period

A TEAE = any event with an onset date on or after the first dose date, or any ongoing event on the first dose date that worsens in severity or after the first dose date and until 90 days following the last dose of study drug treatment. An AE = untoward medical occurrence in a patient or clinical investigation patient administered a pharmaceutical product, which that does not necessarily have a causal relationship with the investigational treatment. An AE can be any unfavorable or unintended sign, symptom, or disease temporally associated with the use of an investigational medicinal product, whether or not considered related to the investigational medicinal product. A serious AE (experience) or reaction is any untoward medical occurrence that at any dose * Results in death * Is life-threatening * Requires inpatient hospitalization or prolongation of existing hospitalization * Results in persistent or significant disability/incapacity, or * Is a congenital abnormality/birth defect

Time frame: From the first day of ozanimod up to 90 days after the last dose of ozanimod; mean duration of exposure of study drug was 1.305 years

Population: The Safety population included all enrolled participants who received at least one dose of ozanimod.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 TEAE59 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Moderate or Severe TEAE43 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Severe TEAE15 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Possible, Probable or Related TEAE24 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Related TEAE7 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Serious TEAE18 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Possible, Probable or Related Serious TEAE4 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 Related Serious TEAE1 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 TEAE Leading to Discontinuation of Ozanimod11 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension Period≥ 1 TEAE Leading to Study Withdrawal11 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension PeriodDeath1 Participants
Ozanimod Hydrochloride (HCl) 1 mgThe Number of Participants With Treatment Emergent Adverse Events (TEAE) During the Induction and Extension PeriodDeath Possible, Probable or Related to Ozanimod1 Participants
Other Pre-specified

Change From Baseline in Absolute Lymphocyte Count (ALC) Derived From Hematology Laboratory Results at Weeks 4, 8 and 12

Change in Absolute Lymphocyte Count (ALC) from baseline was determined by comparied to baseline.

Time frame: Baseline up to Weeks 4, 8 and 12

Population: The safety population included all enrolled participants who received at least one dose of ozanimod.

ArmMeasureGroupValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgChange From Baseline in Absolute Lymphocyte Count (ALC) Derived From Hematology Laboratory Results at Weeks 4, 8 and 12Week 4-0.946 10 ^9 cells/LStandard Deviation 0.783
Ozanimod Hydrochloride (HCl) 1 mgChange From Baseline in Absolute Lymphocyte Count (ALC) Derived From Hematology Laboratory Results at Weeks 4, 8 and 12Week 8-1.086 10 ^9 cells/LStandard Deviation 0.778
Ozanimod Hydrochloride (HCl) 1 mgChange From Baseline in Absolute Lymphocyte Count (ALC) Derived From Hematology Laboratory Results at Weeks 4, 8 and 12Week 12-1.092 10 ^9 cells/LStandard Deviation 0.783
Other Pre-specified

Change in Fecal Calprotectin (Observed Cases) at Weeks 12 and 52

Change in fecal calprotectin (observed cases) determined by comparing measurements at weeks 12 and 52 to baseline measurement.

Time frame: Baseline to Weeks 12 and Week 52

Population: The intent to treat population (ITT) includes all enrolled participants who received at least one dose of ozanimod. Analysis for change from baseline includes participants with data available at baseline and visit.

ArmMeasureGroupValue (MEDIAN)
Ozanimod Hydrochloride (HCl) 1 mgChange in Fecal Calprotectin (Observed Cases) at Weeks 12 and 52Week 12-41.0 μg/g
Ozanimod Hydrochloride (HCl) 1 mgChange in Fecal Calprotectin (Observed Cases) at Weeks 12 and 52Week 52-103.3 μg/g
Other Pre-specified

Change in Roberts Intestinal Histopathology Index From Baseline (Paired Segments) at Week 12

Changes in intestinal mucosa histopathologic features and disease activity were assessed by blinded pathologists. Robarts Histopathology Index (RHI) had a maximum total score of 165, with higher scores indicating more severe histological disease. Baseline was defined as the last non-missing record on or before the first dose of study drug.

Time frame: Week 12

Population: The ITT population = all enrolled participants who received at least one dose of ozanimod. For paired segment analysis, any missing segment scores in the presence of at least 1 non-missing segmental SES-CD score were imputed by non-missing score used in the previous visit. Analysis includes participants with data available at baseline and visit.

ArmMeasureValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgChange in Roberts Intestinal Histopathology Index From Baseline (Paired Segments) at Week 12-10.2 Units on a ScaleStandard Deviation 25.83
Other Pre-specified

Change in Serum C-Reactive Protein (CRP) Levels From Baseline (Observed Cases) at Weeks 12 and 52

Change in Serum C-Reactive Protein was determined by comparing to baseline.

Time frame: Baseline to Weeks 12 and 52

Population: The intent to treat population (ITT) includes all enrolled participants who received at least one dose of ozanimod. Analysis for change from baseline includes participants with data available at baseline and visit.

ArmMeasureGroupValue (MEDIAN)
Ozanimod Hydrochloride (HCl) 1 mgChange in Serum C-Reactive Protein (CRP) Levels From Baseline (Observed Cases) at Weeks 12 and 52Week 52-0.5 mg/L
Ozanimod Hydrochloride (HCl) 1 mgChange in Serum C-Reactive Protein (CRP) Levels From Baseline (Observed Cases) at Weeks 12 and 52Week 121.0 mg/L
Other Pre-specified

Change in the Crohn's Disease Activity Index (CDAI) Score From Baseline at Week 12

The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. Baseline was defined as the last non-missing record on or before the first dose of study drug.

Time frame: Baseline to Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. Analysis for change from baseline includes participants with data available at baseline and visit.

ArmMeasureValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgChange in the Crohn's Disease Activity Index (CDAI) Score From Baseline at Week 12-141.5 Units on a ScaleStandard Deviation 99.42
Other Pre-specified

Changes in Biomarkers: Percentage of Participants With CRP Response-10 - Non-responder Imputation

The percentage of participants with a CRP Response-10 was assessed. CRP Response-10 is defined as C-reactive protein \< 10 mg/L.

Time frame: Week 12, Week 52

Population: The intent to treat population = all enrolled participants who received at least one dose of ozanimod.~If any scores are missing then non-responder imputation is applied.

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgChanges in Biomarkers: Percentage of Participants With CRP Response-10 - Non-responder ImputationWeek 1239.1 Percentage of participants
Ozanimod Hydrochloride (HCl) 1 mgChanges in Biomarkers: Percentage of Participants With CRP Response-10 - Non-responder ImputationWeek 5223.2 Percentage of participants
Other Pre-specified

Changes in Biomarkers: Percentage of Participants With FCP Response-250 - Non-responder Imputation

The percentage of participants with a FCP Response-250 was assessed. FCP Response-250 is defined as Fecal calprotectin \< 250 ug/g.

Time frame: Week 12, Week 52

Population: The intent to treat population = all enrolled participants who received at least one dose of ozanimod.~If any Fecal Calprotectin are missing then non-responder imputation is applied.

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgChanges in Biomarkers: Percentage of Participants With FCP Response-250 - Non-responder ImputationWeek 1230.4 Percentage of participants
Ozanimod Hydrochloride (HCl) 1 mgChanges in Biomarkers: Percentage of Participants With FCP Response-250 - Non-responder ImputationWeek 5211.6 Percentage of participants
Other Pre-specified

Improvement in Perianal and Enterocutaneous Fistulas

The assessment is based on two parameters: whether the fistula is draining and whether it's open or closed. This is assessment was only on participants that had a fistula at baseline.

Time frame: Week 12

Population: This endpoint was omitted because there were too few study participants with perianal or enterocutaneous fistulas at baseline to allow for meaningful evaluation. No analysis performed.

Other Pre-specified

Improvement in Perianal and Enterocutaneous Fistulas in Participants With Fistula's From Baseline at Weeks 4 and 8

The assessment is based on two parameters: whether the fistula is draining and whether it's open or closed. This is assessment was only on participants that had a fistula at baseline.

Time frame: Baseline to Week 4 and 8

Population: This endpoint was omitted because there were too few study participants with perianal or enterocutaneous fistulas at baseline to allow for meaningful evaluation. No analysis performed.

Other Pre-specified

Percentage of Participants in Clinical Remission Based on CDAI and PRO2 Definitions Who Were Off Corticosteroids at Week 52 of Those on Corticosteroids

Clinical Remission is defined as CDAI score of \< 150. The CDAI is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI uses a questionnaire with responses scored numerically and weighted. The weighted sum of the 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, general well-being for 7 days, presence of complications, taking diarrhea medication, abdominal mass, hematocrit and percentage deviation from standard weight. The typical range of CDAI score is 0 to \> 600. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 52

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. Participants who were taking corticosteroids at baseline. Observed cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants in Clinical Remission Based on CDAI and PRO2 Definitions Who Were Off Corticosteroids at Week 52 of Those on Corticosteroids18.8 Percentage of Participants
Other Pre-specified

Percentage of Participants of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 12 (Paired Segments)

Endoscopic remission is defined as SES-CD ≤ 4 points and a SES-CD decrease ≥ 2 points with no SES-CD sub-score \>1point. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT = all enrolled participants who received at least one dose of ozanimod. For paired segments analysis, any missing segment scores in the presence of at least 1 non-missing segmental SES-CD score were imputed by non-missing score used in the previous visit. If post-baseline SES-CD score was missing, then NRI was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 12 (Paired Segments)10.1 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on CDAI at Week 52

Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 52

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. Observed Cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on CDAI at Week 5293.8 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on CDAI at Weeks 4 and 8

Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% CI was created using the Clopper-Pearson Exact Method.

Time frame: Weeks 4 and 8

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. If CDAI score was missing, then non-responder imputation was applied.

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on CDAI at Weeks 4 and 8Weeks 437.7 Percentage of Participants
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on CDAI at Weeks 4 and 8Weeks 852.2 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on Crohn's Disease Activity Index (CDAI) at Week 12

Clinical Response is defined as a CDAI reduction from baseline of ≥ 100 points. The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. If CDAI score was missing, then non-responder imputation (NRI) was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on Crohn's Disease Activity Index (CDAI) at Week 1250.7 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures at Weeks 4 and 8

Clinical response based on PRO2 was defined as PRO2 decrease of ≥50%. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Weeks 4 and Week 8

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. If PRO2 CD score is missing, then Non-responder imputation (NRI) was applied.

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures at Weeks 4 and 8Week 420.3 Percentage of Participants
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures at Weeks 4 and 8Week 833.3 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 12

Clinical response based on PRO2 was defined as PRO2 decrease of ≥50% from baseline. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. If PRO2 CD score was missing, then non-responder imputation (NRI) was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 1229.0 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 52

Clinical response based on PRO2 was defined as PRO2 decrease of ≥50% from baseline. The PRO2 is a composite score based on 2 components of the Crohn's Disease Activity Index, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 52

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. Observed Cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved a Clinical Response Based on Patient Reported Outcome (PRO2) Measures From Baseline at Week 5265.6 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved an Endoscopic Response-50 Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 52

Endoscopic Response is defined as a SES-CD decrease from baseline of ≥ 50%. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method..

Time frame: Week 52

Population: The intent to treat population (ITT) = all enrolled participants who received at least one dose of ozanimod. For Robarts Observed Score, the SES-CD score is determined based on all available segments at a given visit without adjusting for the segments available at baseline.Observed cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved an Endoscopic Response-50 Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 5230.0 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved an Endoscopic Response-50 (Paired Segment) Based on Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 12

Endoscopic Response is defined as a SES-CD decrease from baseline of ≥ 50%. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. For paired segments analysis, any missing segment scores in the presence of at least 1 non-missing segmental SES-CD score were imputed by non-missing score used in the previous visit. If post-baseline SES-CD score was missing, then NRI was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved an Endoscopic Response-50 (Paired Segment) Based on Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 1223.2 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 12

The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days, stool frequency (SF) and abdominal pain (AP) (rated on a scale of 0-3) assessed for 7 days. Clinical Remission (SF and AP remission) was defined as the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. If stool frequency and abdominal pain were missing, then non-reesponder imputation (NRI) was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 1220.3 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 52

Clinical Remission is defined as the participants with the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days and the abdominal pain (rated on a scale of 0-3) assessed for 7 days.

Time frame: Week 52

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. Observed cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Week 5253.1 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Weeks 4 and 8

The PRO2 is a composite score based on 2 components of the CDAI, the number of liquid or soft stools/day for 7 days, stool frequency (SF) and abdominal pain (AP) (rated on a scale of 0-3) assessed for 7 days. Clinical Remission (SF and AP remission) was defined as the average daily stool score ≤3 points AND average daily abdominal pain score ≤1 point. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Weeks 4 and 8

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. If stool frequency and abdominal pain were missing, then non-reesponder imputation (NRI) was applied.

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Weeks 4 and 8Week 411.6 Percentage of Participants
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Clinical Remission Based on Patient-Reported Outcome (PRO2) Measure Definitions at Weeks 4 and 8Week 826.1 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 52

Clinical Remission is defined as a CDAI score of \< 150. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 52

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. Observed Cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 5265.6 Percentage of Participants
Other Pre-specified

Percentage of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 52 - Observed Cases

Endoscopic remission is defined as SES-CD ≤ 4 points and a SES-CD decrease ≥ 2 points with no SES-CD sub-score \>1point. The SES-CD assesses the degree of inflammation. The SES-CD assesses the following 4 components: size of ulcers, ulcerated surface, affected surface, and presence of narrowing. Each of these components are scored on a scale of 0 to 3. In the SES-CD, each of these 4 components are assessed in the five segments of the ileum and colon: ileum, right, transverse, left (descending and sigmoid), and rectum. The SES-CD is the sum of the individual scores of each of the components across the five segments. The range of SES-CD scores is 0 - 12 for each segment, and 0 - 56 for the overall SES-CD score, with larger scores indicating greater severity of disease. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 52

Population: The ITT = all enrolled participants who received at least one dose of ozanimod. For Robarts Observed Score, the SES-CD score was determined based on all available segments at a given visit without adjusting for the segments available at baseline. Observed Cases.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants Who Achieved Endoscopic Remission Based on Simple Endoscopic Score for Crohn's Disease (SES-CD) Definitions at Week 52 - Observed Cases16.7 Percentage of Participants
Other Pre-specified

Percentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 12

Clinical Remission is defined as a CDAI score of \< 150. The Crohn's Disease Activity Index is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Week 12

Population: The ITT included all enrolled participants and received at least one dose of ozanimod. If CDAI score was missing, then non-responder imputation (NRI) was applied.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Week 1233.3 Percentage of Participants
Other Pre-specified

Percentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Weeks 4 and 8

Clinical Remission is defined as a CDAI score of \< 150. The CDAI is a composite score that is used to measure the clinical activity of Crohn's disease. The CDAI includes uses 8 components: Number of liquid or soft stools for 7 days, Abdominal pain for 7 days, General well-being for 7 days, Presence of complications, Taking diarrhea medication, Abdominal mass, Hematocrit and Percentage deviation from standard weight. Scores range from 0 to approximately 600, with higher scores indicating greater disease activity. 95% confidence interval (CI) was created using the Clopper-Pearson Exact Method.

Time frame: Weeks 4 and 8

Population: The ITT population included all enrolled participants who received at least one dose of ozanimod. Non-responder imputed. (NRI).

ArmMeasureGroupValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Weeks 4 and 8Week 415.9 Percentage of Participants
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants With Clinical Remission Based on the Crohn's Disease Activity Index (CDAI) at Weeks 4 and 8Week 823.2 Percentage of Participants
Other Pre-specified

Percentage of Participants With RHI Healing at Week 52

Changes from baseline in intestinal mucosa histopathologic features and disease activity were assessed by blinded pathologists. Robarts Histopathology Index (RHI) had a maximum total score of 165, with higher scores indicating more severe histological disease. Baseline was defined as the last non-missing record on or before the first dose of study drug. The Robarts Histopathology Index (RHI) is a recently validated instrument that measures histological disease activity in ulcerative colitis. RHI Mucosal Healing was defined as a composite endpoint of being a responder for endoscopic remission and RHI remission.

Time frame: Week 52

Population: The ITT population = all enrolled participants who received at least one dose of ozanimod. Observed cases.. Analysis includes participants with data available at baseline and visit.

ArmMeasureValue (NUMBER)
Ozanimod Hydrochloride (HCl) 1 mgPercentage of Participants With RHI Healing at Week 5214.3 Percentage of Participants
Other Pre-specified

Pharmacokinetic Plasma Concentration of Ozanimod

Summary of concentrations of Ozanimod in RPC01-2201 by scheduled visit.

Time frame: From Day 1 to Week 52

Population: The intent to treat population = all enrolled participants who received at least one dose of ozanimod.

ArmMeasureGroupValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodDay 1, post-dose48 pg/mLStandard Deviation 19
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodWeek 4228 pg/mLStandard Deviation 116
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodWeek 8195 pg/mLStandard Deviation 102
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodWeek 12165 pg/mLStandard Deviation 126
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodWeek 24190 pg/mLStandard Deviation 109
Ozanimod Hydrochloride (HCl) 1 mgPharmacokinetic Plasma Concentration of OzanimodWeek 52154 pg/mLStandard Deviation 98
Other Pre-specified

PK Plasma Concentration of Active Metabolite CC-112273

Summary of concentrations of CC-112273 in RPC01-2201 by scheduled visit.

Time frame: From Day 1 to Week 52

Population: The intent to treat population = all enrolled participants who received at least one dose of ozanimod.

ArmMeasureGroupValue (MEAN)Dispersion
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Day 1, post-dose58 pg/mLStandard Deviation 41
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Week 42348 pg/mLStandard Deviation 1289
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Week 83138 pg/mLStandard Deviation 2129
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Week 123507 pg/mLStandard Deviation 2337
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Week 244259 pg/mLStandard Deviation 3322
Ozanimod Hydrochloride (HCl) 1 mgPK Plasma Concentration of Active Metabolite CC-112273Week 524055 pg/mLStandard Deviation 3569

Source: ClinicalTrials.gov · Data processed: Feb 27, 2026