Prevalence and Topography of Adenomas in 40-49 Year Old Patients With a Family History of Colon Cancer



Status:Active, not recruiting
Conditions:Colorectal Cancer, Cancer, Gastrointestinal, Gastrointestinal
Therapuetic Areas:Gastroenterology, Oncology
Healthy:No
Age Range:40 - 49
Updated:4/21/2016
Start Date:April 2006
End Date:June 2016

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Conflicting guideline recommendations for screening colonoscopy result due to scant data
upon which to develop appropriate recommendations. No previous study has compared the
prevalence of advanced adenomas or adenomas (any size) among 40-49 year old individuals with
a first degree relative (FDR) with colorectal cancer (CRC) versus 40-49 year old average
risk individuals with no family history of CRC. The purpose of this study is to determine
the prevalence of colon adenomas in 40-49 year old individuals and identify risk factors
associated with the presence of advanced adenomas. This data will provide evidence to
determine appropriate colon cancer screening guidelines in 40-49 year old persons with a
family history of colon polyps or colorectal cancer.


Inclusion Criteria:

- 40-49 year old asymptomatic men and women referred for colorectal cancer screening
with a family history of CRC in a first degree relative;

- 40-49 year old asymptomatic men and women referred for colorectal cancer screening
with a family history of polyps in a first degree relative;

- 40-49 year old men and women without a family history of CRC or polyps in a first
degree relative who are referred for colonoscopy to evaluate scant hematochezia
characterized as red blood on toilet tissue after wiping or small droplets of blood
on stool or in toilet water after evacuating stool, abdominal discomfort or altered
bowel habits characterized as constipation or diarrhea.

Exclusion Criteria:

- Personal history of iron deficiency anemia within six months of referral;

- Personal history of iron deficiency without anemia within six months of referral;

- Personal history of (+) FOBT within one year of referral;

- Personal history of previous colonoscopy or barium enema within the past 10 years;

- Personal history of previous flexible sigmoidoscopy in the past 5 years;

- Personal history of adenoma, colorectal cancer, inflammatory bowel disease, HNPCC, or
familial adenomatous polyposis (FAP);

- Unintentional weight loss > 10 lbs within the previous six months;

- Individuals with family history of CRC AND scant hematochezia;

- Inability to speak and read English.
We found this trial at
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Detroit, Michigan 48201
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Ann Arbor, Michigan 48105
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500 S State St
Ann Arbor, Michigan 48109
(734) 764-1817
University of Michigan The University of Michigan was founded in 1817 as one of the...
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Ann Arbor, MI
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8901 Rockville Pike
Bethesda, Maryland 20889
(301) 295-4000
Walter Reed National Military Medical Center The Walter Reed National Military Medical Center is one...
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Bethesda, MD
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508 Fulton Street
Durham, North Carolina 27705
919-286-0411
Durham VA Medical Center Since 1953, Durham Veterans Affairs Medical Cetner has been improving the...
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Durham, NC
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Ypsilanti, Michigan 48197
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Ypsilanti, MI
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