None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. High-risk patients of rectal cancer on pretreatment MRI using the following risk stratification system ? Location of the lower part of the tumor is measured below less than 10 cm on the anal verge and lower part of the tumor is located below the lower limit of the peritoneal reflection. ? If there is more than one, classify as a high risk group ? Positive CRM threatening: ? 5mm ? Extramural depth ? Positive EMVI. ? cN2: ? Positive Lateral pelvic LN metastasis 2. Between 19 and 80 years of age; 3. Satisfactory performance status: ECOG?2 4. American Society of Anesthesiologists (ASA) physical status classification system class I~III 5. Adequate hematologic function: white blood cell(WBC) counts=4,000/mm3, neutrophils counts = 2,000/mm3, platelet counts = 1000,000/µL, hemoglobin = 9g/L; 6. Adequate renal function: creatinine = 1.5×upper normal limit
Exclusion criteria
Exclusion criteria: 1. The evidenc of relapse of distant metastasis 2. Receiving treatment of other anti-cancer drug or methods 3. Patients have low compliance and are not able to complete the entire trial 4. Presence of uncontrolled life-threatening diseases 5. cT4 with infiltration of anterior organ on pretreatment MRI 6. cT4 with infiltration of internal or external anal sphincter on pretreatment MRI
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pathologic complete response (pCR) rate | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of acute toxocities during radiation and chemotherapy;Incidence of surgical complications;Quality of life;Cost effectiveness | — |
Countries
Korea, Republic of
Contacts
Yonsei University Health System, Severance Hospital