Status:

UNKNOWN

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

Lead Sponsor:

Ziqiang Wang,MD

Conditions:

Rectal Cancer

MRI

Eligibility:

All Genders

Brief 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 mul...

Detailed 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 C...

Eligibility Criteria

Inclusion

  • pathological diagnosis of rectal cancer;
  • received neoadjuvant chemoradiotherapy before surgery;
  • before neoadjuvant therapy and before surgery, the patients received thin and high resolution MRI examination of the rectum.
  • before neoadjuvant therapy, colonoscopy, rectal contrast-enhanced ultrasound or MRI showed that the lower margin of the tumor was within 12cm from the anal margin;
  • pre-neoadjuvant clinical stage II/III (AJCC 7th edition);

Exclusion

  • simultaneous distant metastatic tumor should be considered at the first diagnosis;
  • patients with distant metastasis were not considered at the initial diagnosis;
  • with other malignant tumors;
  • before neoadjuvant therapy, patients had received other relevant treatments;
  • to undergo palliative surgery or emergency surgery in the course of neoadjuvant therapy;

Key Trial Info

Start Date :

January 15 2020

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

July 15 2020

Estimated Enrollment :

180 Patients enrolled

Trial Details

Trial ID

NCT04392609

Start Date

January 15 2020

End Date

July 15 2020

Last Update

May 19 2020

Active Locations (1)

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1

Guoxue Road 37#,West China Hospital

Chengdu, Sichuan, China, 610041