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Predicting Locally Advanced Rectal Cancer Response to NCT and NCRT With MRI

Rectal Cancer Clinical Trial

Official title:
Predicting Locally Advanced Rectal Cancer Response to NCT and NCRT With MRI, and Comparison of MR Imaging Evaluation Between NCT and NCRT

Clinical Trial Summary

This trial was designed to to study whether there is a difference in MRI image evaluation between NCRT and NCT, and try to build a model to predict the efficacy of neoadjuvant therapy by combining multiple imaging indexes.

Clinical Trial Description

This study was designed as a retrospective case-control study. All 116 patients with locally advanced rectal cancer who started neoadjuvant chemoradiotherapy and underwent radical surgery in West of China Hospital and completed the required MR examination before and after neoadjuvant treatment were included from March 2016 to December 2019. MRI imaging indicators of patients before and after neoadjuvant therapy, including tumor location, longitudinal diameter, circumferential Angle, DWI signal, mrTRG and texture feature data, were retrospectively collected to analyze the changes before and after treatment, and compared with patients receiving NCT in PART1. At the same time, indicators with statistical differences will be included in the construction of models predicting different pathological outcomes after NCT and NCRT, and the efficacy of the models was evaluated through c-index values and ROC analysis of bootstrap resampling 500 times. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04392609
Study type Observational
Source West China Hospital
Contact Ziqiang Wang, MD
Phone 18980602028
Email wangtrial@163.com
Status Recruiting
Phase
Start date January 15, 2020
Completion date July 15, 2020
View Details
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