- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03289988
Novel Blood-based Colorectal Cancer Screening Method Using Natural Killer Cell Activity and Gene Panel Expression
January 13, 2019 updated by: Yonsei University
Natural killer cells (NK cells) are cytotoxic lymphocytes that play an important role in the innate immune system.
In particular, it plays a very important defense function against host cells or cancer cells infected with a specific virus.
Recent studies have shown that the activity of NK cells is decreased in patients with various carcinomas compared with normal controls, suggesting that the measurement of activity of NK cells in the blood may be helpful in the early diagnosis of cancer.
In a recent study analyzing NK cell activity in 762 patients undergoing colonoscopy, NK cell activity showed performance in diagnosing advanced colorectal adenoma and colorectal cancer with sensitivities 42.2% and 85.7%, and specificity 58.3% and 59.5%, respectively.
This finding suggests that NK cell activity may be useful as a screening method for colorectal neoplasms.
However, as a single test, this diagnostic power is relatively low.
On the other hands, another blood-based colorectal cancer screening test that using 29 gene panels algorithm has recently been reported.
According to this study, 29 gene panel algorithms (Colox®) showed performance in diagnosing advanced colorectal adenoma and colorectal cancer with sensitivity of 55.4% and 79.5% and specificity of both 90.0%, respectively.
for diagnosis of advanced adenoma and colorectal cancer, respectively.
Although the Colox® test seems to be useful for the colorectal cancer screening using blood test, this diagnostic power is relatively low.
In order to overcome low diagnostic performance of aforementioned tests (NK activity and Colox®) as a single use, combination of individual biomarkers can be a promising alternative.
In this regards, the aim of this study was to evaluate the diagnostic value for predicting advanced colorectal neoplasms by combining Colox® and NK cell activity indicators.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Study Type
Observational
Enrollment (Anticipated)
964
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
-
Seoul, Korea, Republic of, 120-752
- Recruiting
- Department of Internal Medicine, Yonsei University College of Medicine
-
Contact:
- TAE IL KIM, MD
- Phone Number: 82-2-2228-1965
- Email: taeilkim@yuhs.ac
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
40 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Sampling Method
Probability Sample
Study Population
- Normal group: patients with negative colonoscopy findings (n= 238).
- Low risk adenoma group: patients having at least one low risk adenoma (n=250).
- High-risk adenoma group: patients having at least one of following criteria (more thatn 1 cm in size, villous or tubulovillous histologic type, high-grade dysplasia findings) (n=316).
- Colon cancer: histologically confirmed colon cancer patients (n=160).
Description
Inclusion Criteria:
- Adults population over 40 years of age
- Patients who understood this study process and agreed to participation of this study
- Colon cancer patients who have been confirmed as colorectal cancer by endoscopic biopsy within 1 month
- Colon cancer patients who received no anticancer treatment such as surgery, chemotherapy, radiation therapy after cancer diagnosis.
- Colorectal adenoma and normal control group: Patients undergoing colonoscopy for diagnostic purposes or colorectal cancer screening.
Exclusion Criteria:
- Patients who did not agree to participate in the study and did not write their informed consent
- Vulnerable subjects with mental retardation or severe psychiatric illness.
- Patients who are not appropriate enrollment of this study by researchers judgement.
- Patients who have had an immunosuppressive drug within 6 months.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Normal group
Normal group(control group): patients with negative colonoscopy findings (n= 238).
|
NK activity and gene panel expression analysis based on blood test (5cc blood sampling)
|
Low risk adenoma group
Low risk adenoma group: patients having at least one low risk adenoma (n=250).
|
NK activity and gene panel expression analysis based on blood test (5cc blood sampling)
|
High-risk adenoma group
High-risk adenoma group: patients having at least one of following criteria (more than 1 cm in size, villous or tubulovillous histologic type, high-grade dysplasia findings) (n=316).
|
NK activity and gene panel expression analysis based on blood test (5cc blood sampling)
|
Colon cancer
Colon cancer: histologically confirmed colon cancer patients (n=160).
|
NK activity and gene panel expression analysis based on blood test (5cc blood sampling)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diagnostic Power for prediction of advanced colorectal neoplasms
Time Frame: 2 months
|
Diagnostic Power for prediction of advanced colorectal neoplasms using combination of conventional Colox® and NK Cell Activity Indicators.
|
2 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
June 1, 2017
Primary Completion (Anticipated)
June 1, 2019
Study Completion (Anticipated)
August 1, 2019
Study Registration Dates
First Submitted
September 18, 2017
First Submitted That Met QC Criteria
September 18, 2017
First Posted (Actual)
September 21, 2017
Study Record Updates
Last Update Posted (Actual)
January 15, 2019
Last Update Submitted That Met QC Criteria
January 13, 2019
Last Verified
January 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Colonic Diseases
- Intestinal Diseases
- Intestinal Neoplasms
- Rectal Diseases
- Colorectal Neoplasms
- Adenoma
Other Study ID Numbers
- 4-2017-0148
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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