Study Stopped
Efficacy was not cleared at US study
A Dose-finding Study of OPC-6535 in Patients With Active Crohn's Disease
2 other identifiers
interventional
29
1 country
8
Brief Summary
The purpose of this study to examine the safety and efficacy of OPC-6535 and determine its optimal dose by once-daily oral administration at 0, 25, or 50 mg for 8 weeks in combination with a fixed oral dose of 5-aminosalicylic acid (5-ASA) or in combination with a fixed oral dose of 5-ASA and enteral nutrition in patients with active Crohn's disease.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started May 2006
Shorter than P25 for phase_2
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 21, 2006
CompletedFirst Posted
Study publicly available on registry
April 24, 2006
CompletedStudy Start
First participant enrolled
May 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 11, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2007
CompletedResults Posted
Study results publicly available
February 15, 2021
CompletedFebruary 15, 2021
January 1, 2021
1.2 years
April 21, 2006
January 5, 2021
January 26, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Clinical Improvement Rate (Number of Subjects Showing Clinical Improvement/Number of Subjects Evaluated x 100) After 8 Weeks of Study Drug Administration
Definition of clinical improvement: Total Crohn's Disease Activity Index (CDAI) score improved by at least 70 points from the baseline score or to below 150 (CDAI \< 150: Remission, CDAI \> 450: severe disease)
Week 8
Secondary Outcomes (7)
Clinical Improvement Rate After 2 and 4 Weeks of Study Drug Administration
Week 2, Week 4
Remission Rate (Number of Patients Showing Remission/Number of Patients Evaluated x 100) After 2, 4, and 8 Weeks of Study Drug Administration
Week 2, Week 4,Week 8
Clinical Improvement Rate (50) by Change in Total CDAI Score (Number of Subjects for Each Change/Number of Subjects Evaluated x 100) After 2, 4, and 8 Weeks of Study Drug Administration
Baseline, Weeks 2, 4, and 8
Mean Change From Baseline in Total CDAI Score After 2, 4, and 8 Weeks of Study Drug Administration
Baseline, Weeks 2, 4, and 8
Mean Change From the Baseline in Inflammatory Bowel Disease Questionnaire (IBDQ) Score After 8 Weeks of Study Drug Administration
Baseline, Week 8
- +2 more secondary outcomes
Interventions
Eligibility Criteria
You may qualify if:
- Patients with active Crohn's disease
- Patients who have a primary lesion in either the small intestine or the large intestine
- Patients who have been receiving an oral 5-ASA formulation at a fixed regimen and at a fixed dose
- Patients who have either never received enteral nutrition or have been receiving enteral nutrition at a fixed intake of 1200 kcal/day or less
- Either inpatient or outpatient
You may not qualify if:
- Patients who have an external fistula (including anal fistula) in which persistent drainage is observed (and who require treatment with antibiotics or synthetic antibacterial agents)
- Patients with short bowel syndrome (and who require intravenous nutritional support due to insufficient intestinal nutrient uptake)
- Patients with an artificial anus
- Patients who have a complication of serious infectious disease (intra-abdominal abscess, etc.)
- Patients who have a complication of malignant tumor
- Female patients who are pregnant, lactating, or possibly pregnant, or who wish to become pregnant during the study period
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
Unknown Facility
Chubu Region, Japan
Unknown Facility
Chugoku Region, Japan
Unknown Facility
Hokkaido Region, Japan
Unknown Facility
Kanto Region, Japan
Unknown Facility
Kinki Region, Japan
Unknown Facility
Kyushu Region, Japan
Unknown Facility
Shikoku Region, Japan
Unknown Facility
Touhoku Region, Japan
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Director of Clinical Trials
- Organization
- Otsuka Pharmaceutical Co., LTD.
Study Officials
- STUDY DIRECTOR
Katsuhisa Saito
Study Director, Division of New Product Evaluation and Development
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
April 21, 2006
First Posted
April 24, 2006
Study Start
May 1, 2006
Primary Completion
July 11, 2007
Study Completion
August 1, 2007
Last Updated
February 15, 2021
Results First Posted
February 15, 2021
Record last verified: 2021-01