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Prevalence and Characteristics of Nonpolypoid Colorectal Neoplasms - A Chinese Cohort Study

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ClinicalTrials.gov Identifier: NCT01533311
Recruitment Status : Completed
First Posted : February 15, 2012
Last Update Posted : February 15, 2012
Sponsor:
Information provided by (Responsible Party):
Xiaobo Li, Shanghai Jiao Tong University School of Medicine

Brief Summary:
The nonpolypoid colorectal neoplasms (NP-CRNs) are relatively common in patients with gastrointestinal alarm systoms. The depressed lesions have a greater risk of having cancer than flat and polypoid lesions.

Condition or disease
Nonpolypoid Colorectal Neoplasms(NP-CRN)

Study Type : Observational
Actual Enrollment : 1342 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Prevalence and Characteristics of Nonpolypoid Colorectal Neoplasms - A Chinese Cohort Study
Study Start Date : January 2009
Actual Primary Completion Date : December 2010
Actual Study Completion Date : December 2010

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U.S. FDA Resources




Biospecimen Retention:   Samples Without DNA

All the lesions will be removed endoscopically or surgically and examined histologically by an independent gastrointestinal pathologist.

Histological diagnosis is determined according to the World Health Organization (WHO) criteria.Pedunculated lesions are categorized according to Haggitt's classification.



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Ages Eligible for Study:   18 Years to 90 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
consecutive adult patients undergo colonoscopy by one endoscopist from Jan 2009 to Dec 2010
Criteria

Inclusion Criteria:

  • consecutive adult patients undergo colonoscopy by one endoscopist

Responsible Party: Xiaobo Li, Shanghai Institute of Digestive Disease,Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University School of Medicine
ClinicalTrials.gov Identifier: NCT01533311     History of Changes
Other Study ID Numbers: rjxhnk03
First Posted: February 15, 2012    Key Record Dates
Last Update Posted: February 15, 2012
Last Verified: February 2012

Keywords provided by Xiaobo Li, Shanghai Jiao Tong University School of Medicine:
nonpolypoid colorectal neoplasms(NP-CRN)
prevalence
histology

Additional relevant MeSH terms:
Neoplasms
Colorectal Neoplasms
Intestinal Neoplasms
Gastrointestinal Neoplasms
Digestive System Neoplasms
Neoplasms by Site
Digestive System Diseases
Gastrointestinal Diseases
Colonic Diseases
Intestinal Diseases
Rectal Diseases