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A Study to Assess the Efficacy and Safety of YM060 in Female Patients With Diarrhea-predominant Irritable Bowel Syndrome (IBS)

A Double-blind, Parallel-group, Comparative Study in Female Patients With Diarrhea-predominant Irritable Bowel Syndrome

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01870895
Enrollment
577
Registered
2013-06-06
Start date
2013-02-28
Completion date
2014-02-28
Last updated
2015-10-12

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

Conditions

Diarrhea-predominant Irritable Bowel Syndrome

Keywords

YM060, Ramosetron, Diarrhea-predominant Irritable Bowel Syndrome

Brief summary

To demonstrate the superiority of YM060 to a placebo in global assessment of relief of overall IBS symptoms and stool form normalization, and to evaluate safety in female patients with diarrhea-predominant irritable bowel syndrome (D-IBS).

Interventions

DRUGYM060

oral

DRUGPlacebo

oral

Sponsors

Astellas Pharma Inc
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 64 Years
Healthy volunteers
No

Inclusion criteria

1. Patients satisfying the Rome III Diagnostic Criteria 2. Patients whose ≥25% of stools were loose or watery and \<25% of them were hard or lumpy stools 3. Patients who have abdominal pain or discomfort 4. Patients in whom after occurrence of IBS symptoms the following tests were conducted and in whom no organic changes were observed Pancolonoscopy or contrast enema

Exclusion criteria

1. Patients with a history of surgical resection of the stomach, gallbladder, small intestine or large intestine 2. Patients with a history or current evidence of inflammatory bowel disease 3. Patients with a history or current evidence of colitis ischemic 4. Patients with concurrent infectious enteritis 5. Patients with concurrent hyperthyroidism or hypothyroidism 6. Patients with concurrent active peptic ulcer 7. Patients with other concurrent disease that may affect the digestive tract passage or large intestinal function or that is likely to interfere with proper assessment of IBS abdominal pain/discomfort

Design outcomes

Primary

MeasureTime frame
Monthly responder rate of global assessment of relief of overall IBS symptoms at final pointUp to 12 weeks
Monthly responder rate of stool form normalization at final pointUp to 12 weeks

Secondary

MeasureTime frame
Change in weekly average scores of severity of abdominal pain/discomfortUp to 12 weeks
Monthly responder rate of global assessment of relief of abdominal pain/discomfortUp to 12 weeks
Safety assessment of YM060Up to 12 weeks
Change in weekly average scores of stool formUp to 12 weeks
Monthly responder rate of global assessment of improvement of abnormal bowel habitsUp to 12 weeks

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 15, 2026