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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04947930
Other study ID # 2021SYSUMMS
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date July 2021
Est. completion date July 2023

Study information

Verified date June 2021
Source Sixth Affiliated Hospital, Sun Yat-sen University
Contact Ping Lan, MD
Phone +86-13710316769
Email lanping@mail.sysu.edu.cn
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Many previous studies had revealed that gastrointestinal microbiome is changed compositionally and ecologically in patients with colorectal cancer comparing with healthy population. These finding provide us with a new sight to take advantage of gut microbiota. The current study aims to explore new potential biomarkers for early screening and prognostic prediction of colorectal cancer and colorectal polyps by analyzing metagenomics and metabolomics of gut microbiota.


Description:

Patients who come to the Sixth Affiliated Hospital, Sun Yat-sen University for medical purposes will be invited to participate in the study. Participants will be asked to collect two stool samples. One stool sample will be used for metagenomic sequencing and the other will be used to extract metabolomics data. Meanwhile, participants will be asked to complete a questionnaire about lifestyle and diet habits with the assistance of a well-trained nurse. We will delineate the community and metabolites differences in the gut microbiota between colorectal cancer patients and healthy populations by comparing cases with controls. Considering the different gut microbiota profiles among different populations caused by varied diet habits and lifestyles, the current study will try to describe the microbiota profiles in the Chinese population. Besides, we will explore new potential biomarkers for early screening and prognostic prediction which is suitable to Chinese populations. Moreover, we will attempt to find out the interactions between diet and microbiota through a comprehensive analysis of the questionnaire and the collected results.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 600
Est. completion date July 2023
Est. primary completion date July 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: 1. Participants aged 18 to 80 years old. 2. Participants who had been diagnosed with colorectal cancer or advanced colorectal polyps for the first time according to pathology results. 3. Participants who had signed informed consent. 4. Participants must have the ability to complete the questionnaires of the study. Exclusion Criteria: 1. Participants who had a positive personal history of colorectal polyps. 2. Participants who had a positive personal history of colorectal cancer. 3. Participants who had a positive personal history of other gastrointestinal diseases, such as inflammatory bowel disease, intestinal tuberculosis, or irritable bowel syndrome. 4. Participants who had undergone a colonoscopy or other procedure requiring bowel preparation in the last two months. 5. Participants who had been hospitalized for any reason in the last two months. 6. Participants who had consumed antibiotics for any reason in the last three months. 7. Participants who had consumed prebiotic supplements regularly in the last year. 8. Participants who had other physical conditions that didn't suitable to participate in the study, such as severe cardiovascular diseases, serious mental illness, or pregnant status.

Study Design


Locations

Country Name City State
China The Sixth Affiliated Hospital, Sun Yat-sen University Guangzhou Guangdong

Sponsors (1)

Lead Sponsor Collaborator
Sixth Affiliated Hospital, Sun Yat-sen University

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Sensitivity and specificity of the screening tool generated from fecal metagenomics and metabolomics data. 12months
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