Colorectal Cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Histologically proven colorectal adenocarcinoma; 2) Paired tumor and normal adjacent tissue (NAT) samples.
Exclusion criteria
Exclusion criteria: 1) Past medical history of inflammatory bowel disease (IBD); 2) Received oral or intravenous antibiotics therapy longer than 3 days in the past 1 month; 3) Received neoadjuvant treatment, including chemotherapy, radiotherapy, and immunotherapy and etc.; 4) Samples from colonoscopy biopsy or local resection (endoscopic submucosal dissection or transanal resection).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Abundance of Porphyromonas gingivalis (Pg) in samples; | — |
Secondary
| Measure | Time frame |
|---|---|
| 3-year overall survival rate; | — |
Countries
China
Contacts
Division of Gastrointestinal Surgery, Department of General Surgery, West China Hospital, Sichuan University