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New surgical option in good responders after neoadjuvant treatment for low rectal cancer

local rectal excision

total mesorectal excision

Eric RULLIER, Pr.

Patients with T2T3 low rectal cancer (size =\< 4 cm) received neoadjuvant treatment (50Gy in 5 weeks with concomitant chemotherapy. Good responders (residual tumour =\< 2 cm) are randomised in local vs rectal excision, 6-8 weeks after treatment. The composite end point evaluates the rate of patients with death, recurrence, major morbidity or severe after effects at two years.

Rectal excision is the standard surgical treatment of rectal cancer. The risk of mortality and major short and long term morbidity induced by rectal excision justifies new treatments. Local excision is a conservative alternative approach associated with low mortality and morbidity. The purpose of this prospective randomised multicenter study is to compare local vs rectal excision in good responders after radiochemotherapy for low rectal cancer.

Patients with T2T3 low rectal cancer, less than 8 cm from the anal verge, size =\< 4 cm, received neoadjuvant treatment, included radiotherapy between 45-55Gy in 5 weeks with concomitant chemotherapy consist of at least, one fluoropyrimidine.

Good clinical responders (residual tumour =\< 2 cm) are randomised in local vs rectal excision, 6-8 weeks after treatment. In case of not confirmed pathological response following local excision, complementary rectal excision is required.

Bad responders (residual tumour \> 2cm) are treated by primary rectal excision. Follow-up includes digital rectal examination, CT-scan and endorectal ultrasound (if local excision) every 4 months for 2 years, then every 6 months for 3 years.

Local Excision in Downstaged Rectal Cancer

Phase III Randomized Trial of Local Excision Versus Total Mesorectal Excision in Downstaged T2T3 Low Rectal Cancer After Radiochemotherapy

Sanofi

Roche Pharma AG

University Hospital, Bordeaux

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Local Excision in Downstaged Rectal Cancer	NCT00427375	Rectal Neoplasm...	local rectal ex... total mesorecta...	18 Years -	University Hospital, Bordeaux
Local Excision in Downstaged Rectal Cancer	NCT00427375	Rectal Neoplasm...	local rectal ex... total mesorecta...	18 Years -	University Hospital, Bordeaux

Spots Global Cancer Trial Database for local rectal excision