Predicting Neoadjuvant Therapy Response of Rectal Cancer With MRI
Rectal Neoplasms
About this trial
This is an interventional diagnostic trial for Rectal Neoplasms
Eligibility Criteria
Inclusion Criteria:
- Age > 18 years
- T3/4 or node positive biopsy-proved primary rectal cancer
- Suitable for pre-operative chemoradiotherapy and surgical resection
- No contraindication to MRI
- Ability to understand and the willingness to sign a written informed consent document
Exclusion Criteria:
- History or concurrent of other cancer
- Previous therapy to pelvis
- Unable/unwilling to have MRI
- Pacemaker or implanted defibrillator
- Pregnancy, lactation or inadequate contraception
- Patients with a history of psychological illness or condition such as to interfere with the patient's ability to understand requirements of the study
- Unwilling or unable to give informed consent
Sites / Locations
- Peking University Cancer Hospital
- Beijing Chao Yang Hospital
- Beijing Friendship Hospital Capital Medical University
- Chinese Academy of Medical Sciences, Cancer Hospital & Institute
- The First Affiliated Hospital of Chongqing Medical University
- Guangxi Cancer Hospital
- Hubei Cancer Hospital
- Hunan Cancer Hospital
- Jilin Cancer Hospital
- The First Affiliated Hospital of Jilin University
- Shanxi Cancer Hospital
Arms of the Study
Arm 1
Experimental
Assessing response with MRI
Preoperative chemo-radiotherapy as standard treatment. Neoadjuvant therapy (long course intensity modulated radio-chemotherapy, GTV 50.6Gy, totally 22 fractions; Capecitabine 825mg/m2 /bid by oral administration). Three MR examinations: first MRI taken within 1 week before preoperative chemo-radiotherapy; second MRI taken between 14-16days after the initiation of radio-chemotherapy; third MRI taken 7-9 weeks after the completion of preoperative chemo-radiotherapy. All patients are scheduled to receive total mesorectal excision surgery 12-14 weeks after the completion of preoperative chemo-radiotherapy.