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A Study to Evaluate the Safety, Tolerability and Pharmacodynamics of DDP733 for IBS-c

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: NCT00215566
Recruitment Status : Completed
First Posted : September 22, 2005
Last Update Posted : May 28, 2007
Information provided by:
Dynogen Pharmaceuticals

Brief Summary:
This study will evaluate the safety, tolerability and pharmacodynamics of the investigational drug DDP733 in treating subjects with IBS-c. A placebo control will be utilized.

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

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Study Type : Interventional  (Clinical Trial)
Enrollment : 90 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Phase 2a, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, and Pharmacodynamics of Multiple Doses and Dose Levels of DDP733 in Patients With Irritable Bowel Syndrome With Constipation
Study Start Date : September 2005

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Constipation

Primary Outcome Measures :
  1. Evaluation of the effect of DDP733 on gastrointestinal transit

Secondary Outcome Measures :
  1. Evaluation of the effect of DDP733 on patient reported outcomes

Information from the National Library of Medicine

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, Learn About Clinical Studies.

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

Inclusion Criteria:

  • Subjects must have a history of IBS-c for at least 3 months prior to randomization as assessed using ROME criteria
  • Must have had endoscopic/radiologic bowel evaluation within the past 10 years
  • Must comply with completing a daily diary and be able to comply with GI transit measurements, including swallowing capsules containing small x-ray visible markers
  • Female subjects cannot be pregnant, post-partum for less than 1 year or breastfeeding

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): NCT00215566

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Canada, Alberta
Hys Medical Centre
Edmonton, Alberta, Canada, T5H 4B9
Canada, British Columbia
St Paul's Hospital
Vancouver, British Columbia, Canada, V6Z 1Y6
West Vancouver, British Columbia, Canada
Canada, Nova Scotia
QE II Health Sciences Centre
Halifax, Nova Scotia, Canada, B3H 2Y9
Canada, Ontario
Surrey GI Clinic
Guelph, Ontario, Canada
McMaster University Medical Centre
Hamilton, Ontario, Canada, L8N 3Z5
St. Joseph's Healthcare
Hamilton, Ontario, Canada, L8N 4A6
Hotel Dieu Hospital
Kingston, Ontario, Canada, K7L 5G2
St. Joseph's Healthcare
London, Ontario, Canada, N6A 4V2
Meadowlands Family Health Centre
Ottawa, Ontario, Canada
London Road Diagnostic Clinic
Sarnia, Ontario, Canada
Sarnia Institute of Clinical Research
Sarnia, Ontario, Canada
Canadian Phase Onward Inc.
Toronto, Ontario, Canada, M3H 5S4
Toronto Digestive Disease Associates, Inc
Toronto, Ontario, Canada, M3N 2V7
Hopital St-Sacrement
Quebec, Canada, G1S 4L8
Sponsors and Collaborators
Dynogen Pharmaceuticals
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Study Chair: William Paterson, MD Hotel Dieu Hospital
Layout table for additonal information Identifier: NCT00215566    
Other Study ID Numbers: DDP733-04-007
First Posted: September 22, 2005    Key Record Dates
Last Update Posted: May 28, 2007
Last Verified: March 2006
Keywords provided by Dynogen Pharmaceuticals:
Additional relevant MeSH terms:
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Irritable Bowel Syndrome
Pathologic Processes
Signs and Symptoms, Digestive
Signs and Symptoms
Colonic Diseases, Functional
Colonic Diseases
Intestinal Diseases
Gastrointestinal Diseases
Digestive System Diseases