Study In Women With Severe Diarrhea-Predominant Irritable Bowel Syndrome Having Failed Conventional Therapy

This study has been completed.
Information provided by (Responsible Party):
GlaxoSmithKline Identifier:
First received: August 20, 2003
Last updated: May 31, 2012
Last verified: May 2012

The purpose of this study is to compare the safety and effectiveness of as needed versus fixed dosing of an investigational medication for women with severe diarrhea-predominant Irritable Bowel Syndrome (IBS) who have failed conventional therapy.

Condition Intervention Phase
Irritable Colon
Irritable Bowel Syndrome (IBS)
Drug: alosetron
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A 12-Week, Randomized, Double-Blind, Placebo- Controlled Study of PRN BID and Fixed Dosing Regimens of Alosetron in Female Subjects With Severe Diarrhea-Predominant Irritable Bowel Syndrome Who Have Failed Conventional Therapy

Resource links provided by NLM:

Further study details as provided by GlaxoSmithKline:

Primary Outcome Measures:
  • Subject self assessment of improvement between treatment groups using the IBS Global Improvement Scale; comparison of safety and tolerability between treatment groups with respect to adverse events & laboratory abnormalities. [ Time Frame: 12 Weeks ]

Secondary Outcome Measures:
  • Comparison of treatment groups with respect to subject relief of IBS pain & discomfort; lower GI symptoms, changes in quality of life, lost workplace productivity, & lost household/leisure activity, & subject satisfaction with assigned study drug. [ Time Frame: 12 Weeks ]

Enrollment: 702
Study Start Date: June 2003
Intervention Details:
    Drug: alosetron
    Other Name: alosetron

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Diagnosed with severe diarrhea-predominant Irritable Bowel Syndrome (IBS).
  • Failed conventional therapy.
  • Willing to make daily calls on a touch-tone telephone.

Exclusion criteria:

  • History of or current chronic or severe constipation.
  • Bloody diarrhea, abdominal pain with rectal bleeding.
  • Thrombophlebitis.
  • Abnormal thyroid stimulating hormone (TSH) value.
  • Alcohol and/or substance abuse within past two years.
  • Pregnant or lactating.
  • History/treatment of malignancy within past five years.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00067457

  Show 191 Study Locations
Sponsors and Collaborators
Study Director: GSK Clinical Trials GlaxoSmithKline
  More Information

No publications provided

Responsible Party: GlaxoSmithKline Identifier: NCT00067457     History of Changes
Other Study ID Numbers: S3B30048
Study First Received: August 20, 2003
Last Updated: May 31, 2012
Health Authority: United States: Food and Drug Administration

Keywords provided by GlaxoSmithKline:
Diarrhea-Predominant Irritable Bowel Syndrome
Irritable Bowel Syndrome (IBS)

Additional relevant MeSH terms:
Irritable Bowel Syndrome
Colonic Diseases
Colonic Diseases, Functional
Digestive System Diseases
Gastrointestinal Diseases
Intestinal Diseases
Gastrointestinal Agents
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Pharmacologic Actions
Physiological Effects of Drugs
Serotonin Agents
Serotonin Antagonists
Therapeutic Uses processed this record on March 26, 2015