Spots Global Cancer Trial Database for A Follow-up Colonoscopy Examination in Patients Who Had Previously Undergone Screening Colonoscopy

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Trial Identification

Brief Title: A Follow-up Colonoscopy Examination in Patients Who Had Previously Undergone Screening Colonoscopy

Official Title: A Follow-up Colonoscopy Examination in Patients Who Had Previously Undergone Screening Colonoscopy

Study ID: NCT00280332

Conditions

Colonic Cancer

Interventions

colonoscopy

Study Description

Brief Summary: * To determine the prevalence of colonic neoplasm in patients who had previously undergone screening colonoscopy * To determine the optimal time interval for re-screening in average risk individuals * To determine potential baseline characteristics that predicts adenoma recurrence

Detailed Description: Colorectal cancer (CRC) is the second commonest cancer in Hong Kong, and tends to be increasing. Screening for colorectal cancer can reduce the cancer incidence and mortality by detecting early lesions. However, the best interval for a follow up colonoscopy, particularly for those with normal baseline colonoscopy, remains largely unknown. This study aim to determine the prevalence of colonic neoplasm in average-risk patients who had previously undergone screening colonoscopy and the optimal time interval for re-screening.