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Optimisation of Response for Organ Preservation in Rectal Cancer : Neoadjuvant Chemotherapy and Radiochemotherapy vs. Radiochemotherapy — GRECCAR12  

Rectal Cancer Clinical Trial

Official title:
Optimisation of Response for Organ Preservation in Rectal Cancer : Neoadjuvant Chemotherapy and Radiochemotherapy vs. Radiochemotherapy

Clinical Trial Summary

Standard treatment of rectal cancer is rectal excision with neoadjuvant radiochemotherapy. A new concept suggests organ preservation as an alternative to rectal excision in good responders after neoadjuvant radiochemotherapy to decrease surgical morbidity and increase quality of life. The rational is the fact that 15% of patients have sterilized tumours after radiochemotherapy for T3T4 rectal cancer. The French GRECCAR 2 trial is the first phase III trial investigating this strategy: patients with T2T3 low rectal carcinomas (size ≤4 cm) received 50 Gy with capecitabine and good clinical responders (≤2 cm) were randomized between local and rectal excision. The main findings were: the rate of complete pathologic response was higher after radiochemotherapy for small T2T3 than for T3T4 tumours (40% vs 15% ypT0) and good pathologic responders (ypT0-1) were associated with zero positive mesorectal nodes. The objective of the new trial is to increase the proportion of patients treated with organ preservation by optimizing tumour response. As compared to Folfiri, tritherapy Folfirinox has been shown to enhance the response rate. In patients with colorectal metastases, response rate and R0 resection were twice higher, resulting in improved survival. Folfirinox also increases response and chance of R0 resection rates in initially unresectable colorectal metastases, compared to standard or intensified bi-chemotherapy regimens. Adding two months of neoadjuvant chemotherapy (Folfirinox) before radiochemotherapy, the investigators expect to increase chance of organ preservation rate, as compared to radiochemotherapy alone.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02514278
Study type Interventional
Source University Hospital, Bordeaux
Contact
Status Active, not recruiting
Phase Phase 3
Start date January 28, 2016
Completion date June 2024
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