Colonic Transit Time Validation Study
CTT
SmartPill Colonic Transit Time Validation Study in Patients With Chronic Constipation
1 other identifier
observational
210
2 countries
13
Brief Summary
The protocol described herein is designed to provide clinical evidence of the substantial equivalence of SmartPill GI Monitoring System (SP) to the Sitzmarks (Konsyl Pharmaceuticals, Easton, MD) radio-opaque markers (ROM). The trial will enroll symptomatic subjects who meet Rome III criteria (1) for chronic functional constipation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2009
Shorter than P25 for all trials
13 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
Study Start
First participant enrolled
March 1, 2009
CompletedFirst Submitted
Initial submission to the registry
March 4, 2009
CompletedFirst Posted
Study publicly available on registry
March 6, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2009
CompletedJanuary 15, 2010
January 1, 2010
2 months
March 4, 2009
January 14, 2010
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Colonic Transit Time
4 days and 7 days
Secondary Outcomes (1)
Determine regional gut (gastric, small bowel, colonic) transit times
continuous time measure until caspule elimination
Study Arms (1)
Constipated
Adult subjects with functional constipation as define by Rome II criteria
Eligibility Criteria
patients with constipation referred to a tertiary motility center
You may qualify if:
- Males and females between ages of 18-80 years of age with symptoms of chronic functional constipation for at least one year.
- Self reported bowel movement frequency of \< 2 bowel movements/week for at least 3 of the last 6 months.
- Presenting at least one of the following symptoms as defined by Rome III criteria
- Feeling of incomplete evacuation with \> 25% of bowel movements
- Digital maneuvers with \> 25% of bowel movements
- Hard stools with \> 25% of bowel movements
- Feeling of blockage with \> 25% of bowel movements
- Straining with \> 25% of bowel movements
- Constipation, not abdominal pain, as the predominant symptom.
- Ability to stop laxatives, prokinetic agents, and narcotic analgesic agents 3 days prior to SP and ROM ingestion visit and during the study period.
- Ability to stop proton pump inhibitors for seven days and Histamine2 blockers for three days prior to and the day of SmartPill ingestion.
- No evidence of metabolic disease (hypothyroidism, uncontrolled diabetes, electrolyte imbalance).
- A normal colonoscopy or barium enema within 5 years for individuals over 50 years of age.
You may not qualify if:
- Participation in the previous SmartPill Whole gut transit Study titled "Assessment of Whole Gut Transit Time Using the SmartPill Capsule: A Multicenter Study" Protocol Number 122205
- Previous history of bezoars.
- Prior GI surgery except for cholecystectomy, appendectomy, or Nissen fundoplication
- Any abdominal surgery within the past 3 months
- Known or history of inflammatory bowel disease
- History of diverticulitis, diverticular stricture, and other intestinal strictures
- Tobacco use within eight hours prior to capsule ingestion and during the initial 8 hour recording on Day 0 or the Ingestion visit.
- Alcohol use within eight hours prior to capsule ingestion and throughout the entire monitoring period (5 days).
- BMI \> 40 kg/m2
- Allergies to components of the SmartBar (Appendix IX).
- Females of childbearing age who are not practicing birth control and/or are pregnant or lactating. (A urine pregnancy test will be performed on female subjects prior to capsule ingestion). Acceptable forms of birth control include oral contraceptives, double barrier method, and IUD cover and must be practiced from the time of enrollment until the time of release from the study.
- Cardiovascular, endocrine, renal, or other chronic disease likely to affect motility.
- Use of medical devices such as pacemakers, infusion pumps, or insulin pumps.
- Any contraindication to use of Fleets Enema.
- Uncontrolled diabetes with a hemoglobin A1C greater than 10%.
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (13)
University of Arizona Health and Sciences Ctr Southern Arizona VA HealthCare System
Tucson, Arizona, 85723, United States
Cedars-Sinai Medical Center
Los Angeles, California, 90048, United States
University of Iowa
Iowa City, Iowa, 52242, United States
University of Kansas Med Center
Kansas City, Kansas, 66160, United States
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
University of Michigan Med Center
Ann Arbor, Michigan, 48109, United States
Jasper Clinic, Inc.
Kalamazoo, Michigan, 49007, United States
Mayo Clinic
Rochester, Minnesota, 55905, United States
University of Buffalo VA Medical Center
Buffalo, New York, 14215, United States
University of North Carolina Medical Center
Chapel Hill, North Carolina, 27516, United States
Wake Forest University Medical Center
Winston-Salem, North Carolina, 27157, United States
Temple University Medical Center
Philadelphia, Pennsylvania, 19140, United States
Queen Mary, University of London
London, United Kingdom
Related Publications (1)
Camilleri M, Thorne NK, Ringel Y, Hasler WL, Kuo B, Esfandyari T, Gupta A, Scott SM, McCallum RW, Parkman HP, Soffer E, Wilding GE, Semler JR, Rao SS. Wireless pH-motility capsule for colonic transit: prospective comparison with radiopaque markers in chronic constipation. Neurogastroenterol Motil. 2010 Aug;22(8):874-82, e233. doi: 10.1111/j.1365-2982.2010.01517.x. Epub 2010 May 11.
PMID: 20465593DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
John R Semler, PHD
The SmartPill Corporation
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
March 4, 2009
First Posted
March 6, 2009
Study Start
March 1, 2009
Primary Completion
May 1, 2009
Study Completion
June 1, 2009
Last Updated
January 15, 2010
Record last verified: 2010-01