Spots Global Cancer Trial Database for Colorectal Polyps Screening With Low-dose CT Colonoscopy
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Trial Identification
Brief Title: Colorectal Polyps Screening With Low-dose CT Colonoscopy
Official Title: Colorectal Adenoma Screening by Low-dose CT Colonoscopy With Computer-aided Detection
Study ID: NCT03064828
Study Description
Brief Summary: This preliminary clinical trial aims to evaluate the performance of the low-dose CT colonoscopy (CTC) with computer aided detection (CAD) on polyps detection compared with optical colonoscopy (OC), and explore the possible clinical routine for integrated use of CT colonoscopy and optical colonoscopy OC in colorectal cancer screening.
Detailed Description: CT colonoscopy (CTC), also referred to as virtual colonoscopy (VC), utilizes computer virtual-reality techniques to navigate inside a three-dimensional patient-specific colon model reconstructed from abdominal CT images, looking for colonic lesions, full bowel preparation and colon inflation are needed to perform CTC examination. The clinical trial consists of two major parts: 1. Comparative study on the performance of CTC and OC: 50 subjects will be recruited in this part with written consents. With full bowel preparation, all the volunteers receive CT scans first with inflated colon, then OC followed by the same day, and necessary pathological analysis thereafter. The performance of CTC based on high-resolution CT data, including the number of polyps detected, size, position, etc, will be validated by that of OC with the paired comparison. 2. Integrate use of low-dose CTC with OC for colorectal cancer screening: After the validation of CTC performance, in this part, another 50 subjects will be recruited to explore the integrated use of CTC with OC as a possible and efficient workflow for colorectal cancer screening. In this part, a combination of normal dose and low-dose scan protocols will be employed (e.g., normal dose on supine, low-dose on prone), low-dose CTC based on the low-dose CT scanning protocol and an artifacts reduction technique will be introduced to reduce the radiation risk in screening.
Keywords
Eligibility
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: Yes
Locations
Xi jing Hospital, Xi'an, Shan XI, China
Contact Details
Name: Shuhui Liang, MD
Affiliation: Air Force Military Medical University, China
Role: STUDY_DIRECTOR
Name: Jiang Meng, MS
Affiliation: Air Force Military Medical University, China
Role: PRINCIPAL_INVESTIGATOR
Name: Xiaofeng Zhang, MD
Affiliation: Air Force Military Medical University, China
Role: PRINCIPAL_INVESTIGATOR
Name: Hong Yin, MD
Affiliation: Air Force Military Medical University, China
Role: PRINCIPAL_INVESTIGATOR
Name: Hainan Sang, MS
Affiliation: Air Force Military Medical University, China
Role: PRINCIPAL_INVESTIGATOR
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