Re-irradiation Therapy of Locally Recurrent Rectal Cancer With Carbon Ion
Rectal Cancer, Recurrent
About this trial
This is an interventional treatment trial for Rectal Cancer
Eligibility Criteria
Inclusion Criteria: 1) pathologically confirmed rectal adenocarcinoma (including mucinous adenocarcinoma and signet-ring cell carcinoma) and LRRC confirmed by biopsy or clinical diagnosis, 2) received a radical operation for their primary tumor and regional lymph nodes, 3) received chemo-radiation or radiation in pelvic before CIRT, 4) received re-irradiation by CIRT after their pelvic radiotherapy. Exclusion Criteria: 1) received more than once prior radiotherapy in the same treatment field, 2) time to the last radiotherapy was <1 year, 3) space between the lesion to organ at risk (OARs) (bladder or digestive tract) was too close (<5 mm).
Sites / Locations
- Shanghai Proton and Heavy ion center
Arms of the Study
Arm 1
Experimental
carbon ion therapy for unresectable local recurrent rectal cancer