{
"info": {
"nct_id": "NCT06591572",
"official_title": "Efficacy and Safety Assessment of Single-port Robotic Versus Laparoscopic Transanal Total Mesorectal Excision for Mid and Low Rectal Cancer: a Phase 2a Nonrandomized Controlled Trial Based on the IDEAL Framework",
"inclusion_criteria": "* (1) Mid or low rectal cancer, 0-10 cm from the anal verge (MRI definition); (2) Histological biopsy showing adenocarcinoma; (3) Stage I-III (MRI and abdominal CT), including the downstaged after neoadjuvant therapy; (4) Intention for primary anastomosis; (5) Obtain the informed consent of the patient and his family; (6) Suitable for robotic or laparoscopic surgery. (7) Over 18 years old.\nHealthy volunteers allowed\nMust have minimum age of 18 Years",
"exclusion_criteria": "1. T3 tumour with margins less than 1 mm to the mesorectal fascia or T4 tumour, determined by MRI-scan (staged after (chemo)radiotherapy if applicable) ;\n2. The anal sphincter complex or levator anal muscle is involved;\n3. Previous prostate or rectal surgery (excluding local excision) ;\n4. Emergency surgery was performed due to complications of a rectal tumor;\n5. Malignancy other than adenocarcinoma at histological examination;\n6. Pregnancy;\n7. Signs of acute intestinal obstruction;\n8. Multiple colorectal tumours;\n9. Familial Adenomatosis Polyposis Coli (FAP), Hereditary Non-Polyposis Colorectal Cancer (HNPCC), active Crohn's disease or active ulcerative colitis;\n10. Planned synchronous abdominal organ resections;\n11. Other malignancies in medical history, except adequately treated basocellular carcinoma of the skin or in situ carcinoma of the cervix uteri;\n12. Absolute contraindication to general anaesthesia or prolonged pneumoperitoneum, as severe cardiovascular or respiratory disease (ASA class > III)",
"miscellaneous_criteria": ""
},
"inclusion_lines": [
{
"line": "* (1) Mid or low rectal cancer, 0-10 cm from the anal verge (MRI definition); (2) Histological biopsy showing adenocarcinoma; (3) Stage I-III (MRI and abdominal CT), including the downstaged after neoadjuvant therapy; (4) Intention for primary anastomosis; (5) Obtain the informed consent of the patient and his family; (6) Suitable for robotic or laparoscopic surgery. (7) Over 18 years old.",
"criterions": [
{
"exact_snippets": "Mid or low rectal cancer, 0-10 cm from the anal verge (MRI definition)",
"criterion": "rectal cancer location",
"requirements": [
{
"requirement_type": "location",
"expected_value": "mid or low rectal"
},
{
"requirement_type": "distance from anal verge",
"expected_value": {
"comparisons": [
{
"operator": ">=",
"value": 0,
"unit": "cm"
},
{
"operator": "<=",
"value": 10,
"unit": "cm"
}
]
}
}
]
},
{
"exact_snippets": "Histological biopsy showing adenocarcinoma",
"criterion": "adenocarcinoma",
"requirements": [
{
"requirement_type": "presence",
"expected_value": true
}
]
},
{
"exact_snippets": "Stage I-III (MRI and abdominal CT), including the downstaged after neoadjuvant therapy",
"criterion": "cancer stage",
"requirements": [
{
"requirement_type": "stage",
"expected_value": [
"I",
"II",
"III"
]
}
]
},
{
"exact_snippets": "Intention for primary anastomosis",
"criterion": "intention for primary anastomosis",
"requirements": [
{
"requirement_type": "intention",
"expected_value": true
}
]
},
{
"exact_snippets": "Obtain the informed consent of the patient and his family",
"criterion": "informed consent",
"requirements": [
{
"requirement_type": "obtained",
"expected_value": true
}
]
},
{
"exact_snippets": "Suitable for robotic or laparoscopic surgery",
"criterion": "suitability for surgery",
"requirements": [
{
"requirement_type": "suitability",
"expected_value": [
"robotic",
"laparoscopic"
]
}
]
},
{
"exact_snippets": "Over 18 years old",
"criterion": "age",
"requirements": [
{
"requirement_type": "minimum age",
"expected_value": {
"operator": ">",
"value": 18,
"unit": "years"
}
}
]
}
]
},
{
"line": "Healthy volunteers allowed",
"criterions": [
{
"exact_snippets": "Healthy volunteers allowed",
"criterion": "volunteer health status",
"requirements": [
{
"requirement_type": "status",
"expected_value": "healthy"
}
]
}
]
},
{
"line": "Must have minimum age of 18 Years",
"criterions": [
{
"exact_snippets": "minimum age of 18 Years",
"criterion": "age",
"requirements": [
{
"requirement_type": "minimum",
"expected_value": {
"operator": ">=",
"value": 18,
"unit": "Years"
}
}
]
}
]
}
],
"exclusion_lines": [
{
"line": "1. T3 tumour with margins less than 1 mm to the mesorectal fascia or T4 tumour, determined by MRI-scan (staged after (chemo)radiotherapy if applicable) ;",
"criterions": [
{
"exact_snippets": "T3 tumour",
"criterion": "tumour stage",
"requirements": [
{
"requirement_type": "stage",
"expected_value": "T3"
}
]
},
{
"exact_snippets": "margins less than 1 mm to the mesorectal fascia",
"criterion": "tumour margin to mesorectal fascia",
"requirements": [
{
"requirement_type": "distance",
"expected_value": {
"operator": "<",
"value": 1,
"unit": "mm"
}
}
]
},
{
"exact_snippets": "T4 tumour",
"criterion": "tumour stage",
"requirements": [
{
"requirement_type": "stage",
"expected_value": "T4"
}
]
},
{
"exact_snippets": "determined by MRI-scan",
"criterion": "tumour determination method",
"requirements": [
{
"requirement_type": "method",
"expected_value": "MRI-scan"
}
]
},
{
"exact_snippets": "staged after (chemo)radiotherapy if applicable",
"criterion": "staging timing",
"requirements": [
{
"requirement_type": "timing",
"expected_value": "after (chemo)radiotherapy if applicable"
}
]
}
]
},
{
"line": "2. The anal sphincter complex or levator anal muscle is involved;",
"criterions": [
{
"exact_snippets": "The anal sphincter complex or levator anal muscle is involved",
"criterion": "anal sphincter complex involvement",
"requirements": [
{
"requirement_type": "involvement",
"expected_value": true
}
]
},
{
"exact_snippets": "The anal sphincter complex or levator anal muscle is involved",
"criterion": "levator anal muscle involvement",
"requirements": [
{
"requirement_type": "involvement",
"expected_value": true
}
]
}
]
},
{
"line": "3. Previous prostate or rectal surgery (excluding local excision) ;",
"criterions": [
{
"exact_snippets": "Previous prostate or rectal surgery (excluding local excision)",
"criterion": "prostate or rectal surgery",
"requirements": [
{
"requirement_type": "history",
"expected_value": true
},
{
"requirement_type": "exclusion",
"expected_value": "local excision"
}
]
}
]
},
{
"line": "4. Emergency surgery was performed due to complications of a rectal tumor;",
"criterions": [
{
"exact_snippets": "Emergency surgery was performed due to complications of a rectal tumor",
"criterion": "emergency surgery",
"requirements": [
{
"requirement_type": "reason",
"expected_value": "complications of a rectal tumor"
}
]
}
]
},
{
"line": "5. Malignancy other than adenocarcinoma at histological examination;",
"criterions": [
{
"exact_snippets": "Malignancy other than adenocarcinoma at histological examination",
"criterion": "malignancy type",
"requirements": [
{
"requirement_type": "exclusion",
"expected_value": "adenocarcinoma"
}
]
}
]
},
{
"line": "6. Pregnancy;",
"criterions": [
{
"exact_snippets": "Pregnancy",
"criterion": "pregnancy",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
}
]
},
{
"line": "7. Signs of acute intestinal obstruction;",
"criterions": [
{
"exact_snippets": "Signs of acute intestinal obstruction",
"criterion": "acute intestinal obstruction",
"requirements": [
{
"requirement_type": "presence",
"expected_value": true
}
]
}
]
},
{
"line": "8. Multiple colorectal tumours;",
"criterions": [
{
"exact_snippets": "Multiple colorectal tumours",
"criterion": "colorectal tumours",
"requirements": [
{
"requirement_type": "quantity",
"expected_value": ">1"
}
]
}
]
},
{
"line": "9. Familial Adenomatosis Polyposis Coli (FAP), Hereditary Non-Polyposis Colorectal Cancer (HNPCC), active Crohn's disease or active ulcerative colitis;",
"criterions": [
{
"exact_snippets": "Familial Adenomatosis Polyposis Coli (FAP)",
"criterion": "Familial Adenomatosis Polyposis Coli (FAP)",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
},
{
"exact_snippets": "Hereditary Non-Polyposis Colorectal Cancer (HNPCC)",
"criterion": "Hereditary Non-Polyposis Colorectal Cancer (HNPCC)",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
},
{
"exact_snippets": "active Crohn's disease",
"criterion": "active Crohn's disease",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
},
{
"exact_snippets": "active ulcerative colitis",
"criterion": "active ulcerative colitis",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
}
]
},
{
"line": "10. Planned synchronous abdominal organ resections;",
"criterions": [
{
"exact_snippets": "Planned synchronous abdominal organ resections",
"criterion": "synchronous abdominal organ resections",
"requirements": [
{
"requirement_type": "planned",
"expected_value": true
}
]
}
]
},
{
"line": "11. Other malignancies in medical history, except adequately treated basocellular carcinoma of the skin or in situ carcinoma of the cervix uteri;",
"criterions": [
{
"exact_snippets": "Other malignancies in medical history",
"criterion": "other malignancies",
"requirements": [
{
"requirement_type": "presence",
"expected_value": false
}
]
},
{
"exact_snippets": "adequately treated basocellular carcinoma of the skin",
"criterion": "basocellular carcinoma of the skin",
"requirements": [
{
"requirement_type": "treatment status",
"expected_value": "adequately treated"
}
]
},
{
"exact_snippets": "in situ carcinoma of the cervix uteri",
"criterion": "in situ carcinoma of the cervix uteri",
"requirements": [
{
"requirement_type": "presence",
"expected_value": true
}
]
}
]
},
{
"line": "12. Absolute contraindication to general anaesthesia or prolonged pneumoperitoneum, as severe cardiovascular or respiratory disease (ASA class > III)",
"criterions": [
{
"exact_snippets": "Absolute contraindication to general anaesthesia",
"criterion": "general anaesthesia",
"requirements": [
{
"requirement_type": "contraindication",
"expected_value": true
}
]
},
{
"exact_snippets": "Absolute contraindication to ... prolonged pneumoperitoneum",
"criterion": "prolonged pneumoperitoneum",
"requirements": [
{
"requirement_type": "contraindication",
"expected_value": true
}
]
},
{
"exact_snippets": "severe cardiovascular or respiratory disease",
"criterion": "cardiovascular or respiratory disease",
"requirements": [
{
"requirement_type": "severity",
"expected_value": "severe"
}
]
},
{
"exact_snippets": "ASA class > III",
"criterion": "ASA class",
"requirements": [
{
"requirement_type": "classification",
"expected_value": {
"operator": ">",
"value": 3,
"unit": "N/A"
}
}
]
}
]
}
],
"miscellaneous_lines": [],
"failed_inclusion": [],
"failed_exclusion": [],
"failed_miscellaneous": []
}