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This is an interventional, controlled and randomized single-center clinical trial with patients diagnosed with colorectal cancer that will undergo laparoscopic left hemicolectomy or laparoscopic low anterior resection for rectal cancer.
All patients included in the study (study 1) are randomized into two groups (group 1A and group 1B): in the group 1A the surgical technique initially dissects the inferior mesenteric vein (IMV) and in the group 1B the surgical technique initially dissects the inferior mesenteric artery.
The patients who will undergo a colorectal anastomosis will be included in the study 2 and will be randomized to group 2A and group 2B: in group 2A the patients will have a latero-terminal colorectal anastomosis and in group 2B a termino-terminal colorectal anastomosis.
Study hypothesis:
Study 1: the surgical technique that initially dissects the IMV presents a greater number of total resected lymph nodes compared to the technique that initially dissects the IMA.
Study 2: latero-terminal anorectal anastomosis has a better anorectal functional outcome than termino-terminal anorectal anastomosis.
Primary outcome measures:
Secondary outcome measures:
Full description
This is an interventional, controlled and randomized single-center clinical trial with patients diagnosed with colorectal cancer that will undergo laparoscopic left hemicolectomy or laparoscopic low anterior resection for rectal cancer.
Methods:
All patients included in the study (study 1) are randomized into two groups (group 1A and group 1B): in the group 1A the surgical technique initially dissects the inferior mesenteric vein (IMV) and in the group 1B the surgical technique initially dissects the inferior mesenteric artery.
The patients who will undergo a colorectal anastomosis will be included in the study 2 and will be randomized to group 2A and group 2B: in group 2A the patients will have a latero-terminal colorectal anastomosis and in group 2B a termino-terminal colorectal anastomosis.
Study hypothesis:
Study 1: the surgical technique that initially dissects the IMV presents a greater number of total resected lymph nodes compared to the technique that initially dissects the IMA.
Study 2: latero-terminal anorectal anastomosis has a better anorectal functional outcome than termino-terminal anorectal anastomosis.
Primary outcome measures:
Secondary outcome measures:
Duration and follow up
Study 1: the expected study duration is 6'5 years.
Study 2: the expected duration of the study is 3'5 years.
The planned duration of follow up in the study 1 is 5 years, in the study 2 is 2 years.
Selection criteria
Inclusion Criteria:
Study 1:
Study 2:
Exclusion Criteria:
Study 1:
Study 2:
Enrollment
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Inclusion criteria
Study 1:
Study 2:
Exclusion criteria
Study 1:
Study 2:
Primary purpose
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Interventional model
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64 participants in 4 patient groups
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Data sourced from clinicaltrials.gov
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