Prospective Study of Colonoscopic Resection of Large Polyps and Flat Lesions



Status:Recruiting
Conditions:Colorectal Cancer, Gastrointestinal
Therapuetic Areas:Gastroenterology, Oncology
Healthy:No
Age Range:Any
Updated:1/26/2018
Start Date:April 2015
End Date:April 2025
Contact:Gottumukkala S. Raju, MD
Phone:713-563-4377

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With this study, the investigators plan to review the performance of colonoscopic resection
of large (> 1 cm) and flat lesions in the colon. The findings will help us define the role of
colonoscopic resection of colon polyps and flat lesions and identity areas for improvement.
The data will be used for continuing quality improvement and presenting our outcomes at
academic meetings and publishing our results in peer reviewed journals.

Our goal is to collect data from our endoscopy reports (Endoscopy Clinic database) and
electronic medical record system (Clinic Station) to complete a descriptive analysis of the
1) demographics, 2) colonoscopy resection procedure, and 3) outcome of resection - immediate
and delayed complications, tumor recurrence, and cancer during follow-up 01/01/2014 -
12/31/2025.

Specific variable to be reviewed:

1. Patient Demographics: Age, Sex, Race, Height, Weight, BMI (patient privacy will be
acknowledged).

2. Indications for Colonoscopy (screening, surveillance, symptoms or tertiary referral
[EMR])

3. Comorbid conditions: cancer and surgical history, medical conditions.

4. Colonoscopy procedure: Quality of colon preparation (using the Boston Bowel Preparation
Scale) 0 - 3 for each section of the colon (Ascending, Transverse, Descending and Total
Colon), cecal intubation rate, cecal intubation and total procedure time, type of
colonoscope (if CO2 was used in the procedure and techniques for colonoscope insertion,
including position changes.

5. Examination findings: Number of polyps and nature of polyps removed (site, size,
surface, vascular pattern); type of polyp removed (serrated and sessile (flat); optical
features and histology of polyps.

6. Resection techniques: Biopsy, snare resection, endoscopic mucosal resection, endoscopic
submucosal dissection etc.

7. Including Pathology report findings so that a comparison can be made of the optical
features and actual pathology report.

8. Outcomes of colonoscopy: Complete or incomplete resection, local recurrence, need for
surgery, etc

9. Outcome of colonoscopy: Complications (Bleeding and perforation).

Inclusion Criteria:

1. All Patients who have been referred for endoscopic resection of large polyps (>1 cm) and
flat lesions.

Exclusion Criteria:
We found this trial at
1
site
1515 Holcombe Blvd
Houston, Texas 77030
 713-792-2121
University of Texas M.D. Anderson Cancer Center The mission of The University of Texas MD...
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Houston, TX
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