A Study of the Safety and Effectiveness of DDP733 in Treating IBS With Constipation in Females

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00547469
Recruitment Status : Unknown
Verified April 2008 by Dynogen Pharmaceuticals.
Recruitment status was:  Recruiting
First Posted : October 22, 2007
Last Update Posted : April 8, 2008
Information provided by:
Dynogen Pharmaceuticals

Brief Summary:
This study will evaluate the safety and effectiveness of the investigational drug DDP733 in treating female patients with IBS-c. A placebo control will be utilized.

Condition or disease Intervention/treatment Phase
Irritable Bowel Syndrome Drug: DDP733 Phase 2 Phase 3

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 360 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Effectiveness of DDP733 in Female Patients With Irritable Bowel Syndrome With Constipation
Study Start Date : October 2007

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Constipation
U.S. FDA Resources

Primary Outcome Measures :
  1. Overall Subject Global Assessment (SGA) of relief of IBS symptoms, collected weekly

Secondary Outcome Measures :
  1. Weekly assessments of abdominal discomfort/pain, bowel habit, and satisfaction with bowel habit.
  2. Other secondary efficacy variables reflecting IBS symptoms include daily assessments of abdominal discomfort/pain; abdominal bloating, the number and consistency of stools, straining at defecation, and feeling of incomplete evacuation.

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Female from 18 to 65 years of age, inclusive
  • Patient experiences recurrent abdominal pain or discomfort at least 3 days per month for the last 3 months with symptom onset at least 6 months prior to diagnosis. The patient's symptoms must be associated with 1 or more of the following:

    • Improvement with defecation
    • Onset associated with a change in frequency of stool
    • Onset associated with a change in form (appearance) of stool
  • Negative serum and urine pregnancy tests
  • Completion of at least six days of daily diary assessments using a phone-in information system prior to randomization

Exclusion Criteria:

  • Serious underlying diseases, including psychiatric disorders
  • Current history of conditions affecting bowel transit
  • Recent history of biochemical or structural abnormalities of the gastrointestinal tract, gastrointestinal surgery, or gastrointestinal infection
  • Clinically significant abnormal examination findings or laboratory tests
  • Inability to stop taking certain medications, or a planned change in medications (including herbal remedies) which could interfere with study assessments
  • Use of drugs and or ethanol which may interfere with compliance of study procedures or influence study outcome
  • Presence of a medical condition which could interfere with the interpretation of study data
  • Significant use of nicotine or caffeine

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00547469

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Alliance Clinical Trials Recruiting
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Milwaukee, Wisconsin, United States, 53215
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Waukesha, Wisconsin, United States, 53186
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Hamilton, Ontario, Canada, L8N4A6
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St. Joseph's Hospital Recruiting
London, Ontario, Canada, N6A 4V2
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Ottawa, Ontario, Canada, K2C 3R2
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London Road Diagnostic Clinic Recruiting
Sarnia, Ontario, Canada, N7T4X3
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Sarnia, Ontario, Canada, N7T4X3
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Toronto, Ontario, Canada, M3H 5S4
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Toronto, Ontario, Canada, M3N2V7
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Principal Investigator: David Ford, MD         
Sponsors and Collaborators
Dynogen Pharmaceuticals
Study Director: Dynogen Study Director, MD Dynogen Pharmaceuticals, Inc Identifier: NCT00547469     History of Changes
Other Study ID Numbers: DDP733-07-010
First Posted: October 22, 2007    Key Record Dates
Last Update Posted: April 8, 2008
Last Verified: April 2008

Keywords provided by Dynogen Pharmaceuticals:
Irritable Bowel Syndrome
IBS constipation
women with IBS
women with constipation

Additional relevant MeSH terms:
Irritable Bowel Syndrome
Pathologic Processes
Signs and Symptoms, Digestive
Signs and Symptoms
Colonic Diseases, Functional
Colonic Diseases
Intestinal Diseases
Gastrointestinal Diseases
Digestive System Diseases