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Local Excision of Clinical T3 Rectal Adenocarcinoma Showing Major Response(ycT0-1) After Neoadjuvant Chemoradiotherapy

Phase 2
Conditions
Rectal Cancer
Interventions
Procedure: Local excision
Registration Number
NCT02490709
Lead Sponsor
National Cancer Center, Korea
Brief Summary

The purpose of this study is evaluation of the safety and the efficacy of transanal local excision in patients with cT3 rectal cancer which was downstaged into ycT0-1 after neoadjuvant chemoradiotherapy.

Detailed Description

This study is a prospective multicenter single-arm phase II clinical trial. Rectal cancer patients with cT3 stage will receive neoadjuvant chemoradiotherapy, and be evaluated the response of the tumor in 6 to 10 weeks after completion of neoadjuvant chemoradiotherapy. For those who have good response (ycT0-1) will underwent transanal local excision under the patients' agree.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
86
Inclusion Criteria
  • age: more than 20 years
  • biopsy-proven adenocarcinoma of the rectum
  • clinical staging, cT3NxM0
  • Rectal cancer located 8 cm from the anal verge
  • Restaging in 6-10 weeks after completion of neoadjuvant chemoradiotherapy, ycT0-1N0M0
  • ECOG performance status 2 or less
Exclusion Criteria
  • Synchronous colon cancer or other malignancy
  • Obstructing rectal cancer
  • Pregnant or breast-feeding
  • Receiving any other study agents
  • History of prior colorectal cancer or inflammatory bowel disease
  • Hereditary colorectal cancer (FAP, HNPCC)

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Local excisionLocal excisionLocal excision for rectal cancer with good response
Primary Outcome Measures
NameTimeMethod
3-year disease free survival1-5 years

Death or recurrence as an event

Secondary Outcome Measures
NameTimeMethod
Complete response rate1-5 years

The rate of complete response of the tumor after neoadjuvant chemoradiotherapy

Overall survival rate1-5 years

Death as an event

Trial Locations

Locations (1)

National Cancer Center

🇰🇷

Goyang-si, Gyeonggi-do, Korea, Republic of

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