The Longterm Risk of Advanced Colorectal Neoplasia After Colonoscopy - A Population-based Cohort Study in Hong Kong

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
AgeNot listed
SponsorChinese University of Hong Kong

About this trial

The primary objective of this study is to analyze the 15-year cumulative incidence of advanced colorectal neoplasia and CRC-related mortality after the index colonoscopy.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

None

Disqualifiers

None

Trial population

We will identify patients from CDARS with colonoscopy performed from 1 January 2000 to 31 October 2020. Other relevant diagnoses, procedures, concomitant drugs, laboratory parameters and pathology results will be retrieved and studied.

Trial design

Design model

Cohort

Time perspective

Retrospective

Treatments tested in this trial

Not listed

Trial groups

5,000 Participants
are grouped into 4 trial groups
Group A: Normal finding
Group B: Hyperplastic polyps
Group C: Low-risk adenomas
Group D: High-risk adenomas

Trial outcomes

Primary outcomes

1

Culumative incidence of advanced colorectal neoplasia

high-risk adenomas or CRC after 15 years of index conoloscopy

Time frame
15 years

Secondary outcomes

1

CRC-related mortality rate

the rate of mortality due to CRC-related incidents

Time frame
15 years

Other outcomes

Sponsors and contacts

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