A CLINICAL EFFICACY AND SAFETY STUDY TO EVALUATE IN A BLINDED WAY THE NEW MEDICINAL PRODUCT RPC1063 IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS

• Register: EUCTR
• Last refreshed on: 10 December 2019
• Main ID: EUCTR2012-003123-38-GR
• Date of registration: 10/05/2013
• Prospective Registration: Yes
• Primary sponsor: Receptos, Inc.
• Public title: A CLINICAL EFFICACY AND SAFETY STUDY TO EVALUATE IN A BLINDED WAY THE NEW MEDICINAL PRODUCT RPC1063 IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS
• Scientific title: A PHASE 2, MULTI-CENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED PARALLEL-GROUP STUDY TO EVALUATE THE CLINICAL EFFICACY AND SAFETY OF INDUCTION THERAPY WITH RPC1063 IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS
• Date of first enrolment: 25/06/2013
• Target sample size: 180
• Recruitment status: Not Recruiting
• URL: https://www.clinicaltrialsregister.eu/ctr-search/search?query=eudract_number:2012-003123-38
• Study type: Interventional clinical trial of medicinal product
• Study design: Controlled: yes; Randomised: yes; Open: no; Single blind: no; Double blind: yes; Parallel group: yes; Cross over: no; Other: yes; Other trial design description: Optional open-label treatment period; If controlled, specify comparator, Other Medicinial Product: no; Placebo: yes; Other: no; Number of treatment arms in the trial: 3
• Phase: Human pharmacology (Phase I): no Therapeutic exploratory (Phase II): yes Therapeutic confirmatory - (Phase III): no Therapeutic use (Phase IV): no

Countries of recruitment

Australia, Belgium, Bulgaria, Canada, Czech Republic, Germany, Greece, Hungary, Israel, Korea, Republic of, Netherlands, New Zealand, Poland, Russian Federation, Slovakia, United States

Contacts

• Name: Martine Oehling
• Affiliation: PPD

• Name: Martine Oehling
• Affiliation: PPD

Key inclusion & exclusion criteria

Inclusion criteria:
1. Males or female patients aged 18 to 65 years, inclusive
2. Have had UC diagnosed at least 3 months prior to screening. The diagnosis of UC must be confirmed by endoscopic and histologic evidence
3. Have active UC confirmed on endoscopy with = 15 cm involvement
4. Have active UC defined as Mayo score of 6-12 inclusive with endoscopic subscore of = 2
5. Have undergone colonoscopy within the past 2 years for extent of disease, and if the UC has been present for > 10 years, have had a colonoscopy with biopsy to rule out dysplasia
6. Men and women of childbearing potential must agree to use adequate birth control measures during the study. Acceptable methods of birth control in this study include: surgical sterilization, intrauterine device, oral contraceptive, contraceptive patch, long acting injectable contraceptive, partner’s vasectomy, double-barrier method (condom or diaphragm with spermicide) or abstinence during study participation and for 30 days after their last dose of treatment of study treatment
7. Must be currently receiving treatment with at least 1 of the following therapies:
a. Oral aminosalicylates (e.g., mesalamine, sulfasalazine, olsalazine, balsalazide) for at least 6 weeks with the dose stable for at least 3 weeks prior to screening endoscopy
b. Prednisone (doses = 20 mg) or equivalent for at least 4 weeks and receiving a stable dose for at least 2 weeks
8. If oral aminosalicylates or corticosteroids have been recently discontinued, they must have been stopped for at least 2 weeks prior to the sigmoidoscopy used for baseline Mayo Score
9. All patients aged 45 years or over must have had a colonoscopy to screen for adenomatous polyps within 5 years of their first dose of study treatment or must have had a colonoscopy at screening to assess for polyps. The adenomatous polyps must be removed prior to their first dose of study drug.
10. Ability to provide written informed consent and to be compliant with the schedule of protocol assessments
11. Documentation of positive varicella zoster virus (VZV) IgG antibody status
12. Documentation of no evidence of chronic lung disease or tuberculosis (TB) on a chest X-ray completed within the 6 months prior to screening

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 180
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion criteria:
1. Have severe extensive colitis evidenced by:
- Physician judgment that patient is likely to require colectomy or ileostomy within 12 weeks of baseline
- Current evidence of fulminant colitis, toxic megacolon or bowel perforation
- Previous total colectomy
- Have 4 or more of the following:
Temp > 38°C, Heart rate (HR) > 110 (bpm); Focal severe or rebound abdominal tenderness; Anemia (hemoglobin [Hgb] < 8.5 g/dL); Transverse colon diameter > 5cm on plain X-ray
2. Diagnosis of Crohn’s disease or indeterminate colitis or the presence or history of a fistula consistent with Crohn’s disease
3. Have positive stool culture for pathogens (O+P, bacteria) or positive test for C. difficile at screening. If C. difficile is positive, the patient may be treated and retested
4. Have had treatment with cyclosporine, tacrolimus, sirolimus, or mycophenolate mofetil (MMF) within 16 weeks of screening
5. Pregnancy, lactation, or a positive serum beta human chorionic gonadotrophin (hCG) measured during screening
6. Clinically relevant hepatic, neurological, pulmonary, ophthalmological, endocrine, psychiatric or other major systemic disease making implementation or interpretation of the study difficult or that would put the patient at risk
7. Clinically relevant cardiovascular conditions, including history or presence of ischemic heart disease, myocardial infarction, congestive heart failure, stroke, transient ischemic attack, sick sinus syndrome, recurrent syncope, second degree or higher atrioventricular (AV) block, prolonged QTcF interval (QT interval corrected for HR according to Fridericia's formula) (QTcF > 450 msec males, > 470 msec females), other clinically significant conduction abnormalities or any other significant cardiac condition that could jeopardize a patient’s health during the study in the opinion of the treating Investigator
8. Resting HR less than 55 beats per minute (bpm)
9. History of diabetes mellitus
10. History of uveitis
11. Known active bacterial, viral, fungal, mycobacterial infection or other infection (including TB or atypical mycobacterial disease [excluding fungal infection of nail beds]) or any major episode of infection that required hospitalization/treatment with intravenous (IV) antibiotics within 30 days or oral antibiotics within 14 days prior to screening
12. History or known presence of recurrent or chronic infection (e.g., hepatitis A, B, C or E, human immunodeficiency virus, syphilis, TB); recurring urinary tract infections are allowed
13. History of cancer, including solid tumors and hematological malignancies (except basal cell and in situ squamous cell carcinomas of the skin that have been excised and resolved)
14. History of alcohol or drug abuse within 1 year prior to randomization
15. History of or currently active primary or secondary immunodeficiency
16. History of treatment with any immune-modifying biologic agent including abatacept, infliximab, etanercept, adalimumab, anakinra, vedolizumab or golimumab within 4 months prior to randomization. Patients unresponsive to vedolizumab will be excluded.
17. History of treatment with a biologic

Age minimum:
Age maximum:
Gender:
Female: yes
Male: yes

Health Condition(s) or Problem(s) studied

Moderately to severely active Ulcerative Colitis
MedDRA version: 14.1 Level: LLT Classification code 10045365 Term: Ulcerative colitis System Organ Class: 100000004856

Therapeutic area: Diseases [C] - Digestive System Diseases [C06]

Intervention(s)

Product Name: 0.25 mg RPC1063
Pharmaceutical Form: Capsule
INN or Proposed INN: RPC1063
Current Sponsor code: RPC1063
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 0.25-
Pharmaceutical form of the placebo: Capsule
Route of administration of the placebo: Oral use

Product Name: 0.5 mg RPC1063
Pharmaceutical Form: Capsule
INN or Proposed INN: RPC1063
Current Sponsor code: RPC1063
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 0.5-
Pharmaceutical form of the placebo: Capsule
Route of administration of the placebo: Oral use

Product Name: 1 mg RPC1063
Pharmaceutical Form: Capsule
INN or Proposed INN: RPC1063
Current Sponsor code: RPC1063
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 1-
Pharmaceutical form of the placebo: Capsule
Route of administration of the placebo: Oral use

Primary Outcome(s)

Main Objective: Compare the efficacy of RPC1063 vs placebo for induction of clinical remission at Week 8 in patients with moderately to severely active UC.

Secondary Objective: - Compare the efficacy of RPC1063 vs placebo at weeks 8 and 32 as measured by clinical response, clinical remission, and mucosal healing
- Compare the overall safety and tolerability of RPC1063 vs placebo for the duration of the study

Primary end point(s): Proportion of patients in clinical remission, defined as a Mayo score of = 2 points and with no individual subscore of > 1 point

Timepoint(s) of evaluation of this end point: Week 8

Secondary Outcome(s)

Secondary end point(s): Efficacy Endpoints:

• Proportion of patients with a clinical response at Week 8, defined as a reduction from baseline in Mayo score of = 3 points and = 30%, and a decrease from baseline in the rectal bleeding subscore of = 1 point or an absolute rectal bleeding subscore of = 1 point
• Change from baseline in Mayo score at Week 8
• Proportion of patients with mucosal healing at Week 8, defined by an endoscopy subscore of = 1 point
Proportion of patients in clinical remission at Week 32 defined as Mayo score of = 2 points with no individual subscore of > 1 point
• Proportion of patients with a clinical response at Week 32, defined as a reduction from baseline in Mayo score of = 3 points and = 30%, and a decrease from baseline in the rectal bleeding subscore of = 1 point or an absolute rectal bleeding subscore of = 1 point
• Proportion of patients with mucosal healing at Week 32, defined by an endoscopy subscore of = 1 point

Safety Endpoints:

• The incidence and type of AEs, SAEs, AEs leading to discontinuation of study treatment, target AEs of special interest, laboratory abnormalities, vital signs, ECG, and physical exam abnormalities

PK and PD Endpoints:

• PK assessments will include PK sampling to determine plasma concentration of RPC1063 and active metabolites at scheduled assessments during the treatment period (see Table 1 [IP and MP] and Table 2 [OLP] Schedule of Events)
• Absolute lymphocyte count (ALC) derived from blinded hematology laboratory results
• Plasma protein biomarkers (cytokines, chemokines, other inflammatory proteins)
• Stool analysis for fecal biomarkers – fecal lactoferrin and calprotectin
• Total immunoglobulins (Igs) - IgA, IgG, IgM

Timepoint(s) of evaluation of this end point: See section E.5.2

Secondary ID(s)

RPC01-202

2012-003123-38-BE

NCT01647516

Source(s) of Monetary Support

Receptos, Inc.

Ethics review

Status: Approved
Approval date:
Contact: