This randomized trial showed that immune function of HLA-DR in patients undergoing laparoscopic surgery with fast track care remains highest. This can be attributed to type of surgery and not aftercare. These results may indicate a reason for the accelerated recovery of patients treated laparoscopically within a fast track program as described in the LAparoscopy and/or FAst track multimodal management versus standard care (LAFA-Trial) (www.trialregister.nl, protocol NTR222).
IntroductionTotal mesorectal excision (TME) is an essential component of surgical management of rectal cancer. Both open and laparoscopic TME have been proven to be oncologically safe. However, it remains a challenge to achieve complete TME with clear circumferential resections margin (CRM) with the conventional transabdominal approach, particularly in mid and low rectal tumours. Transanal TME (TaTME) was developed to improve oncological and functional outcomes of patients with mid and low rectal cancer.MethodsAn international, multicentre, superiority, randomised trial was designed to compare TaTME and conventional laparoscopic TME as the surgical treatment of mid and low rectal carcinomas. The primary endpoint is involved CRM. Secondary endpoints include completeness of mesorectum, residual mesorectum, morbidity and mortality, local recurrence, disease-free and overall survival, percentage of sphincter-saving procedures, functional outcome and quality of life. A Quality Assurance Protocol including centralised MRI review, histopathology re-evaluation, standardisation of surgical techniques, and monitoring and assessment of surgical quality will be conducted.DiscussionThe difference in involvement of CRM between the two treatment strategies is thought to be in favour of the TaTME. TaTME is therefore expected to be superior to laparoscopic TME in terms of oncological outcomes in case of mid and low rectal carcinomas.
Transanal TME appears associated with a significant higher rate of completeness of the mesorectum. Further studies are necessary to evaluate this novel technique.
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