- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01741363
Screening for Stomach Diseases and Colorectal Neoplasms With the Fecal Testing
Screening for Stomach Diseases and Colorectal Neoplasms With the Fecal Testing: a Population-based Randomized Study
- The abundant results from this trial will be helpful for assessing the feasibility of increasing stool sampling and shortening screening interval in population setting for lower and upper gastrointestinal tract lesions, their long-term effects, and the respective cost-effectiveness.
- The study will evaluate the value of population-based screen and treatment for H. pylori infection when the HPSA is combined with the FIT.
Study Overview
Status
Conditions
Detailed Description
Growing body of evidences have shown that fecal immunochemical test (FIT) outperform guaiac fecal occult blood test (gFOBT) in terms of sensitivity, neoplasm detection rate and public participation. Though direct outcome evidence is still lacking for FIT, it is anticipated to have higher colorectal cancer (CRC) mortality and incidence reduction compared with gFOBT. In Taiwan, nation-wide CRC screening program has been launched since the year of 2004 ,which provides biennial FIT screening for adults aged 50 to 69 years. Currently available data from the Bureau of Health Promotion has shown a significant stage-shift effect, an early indicator of screening effectiveness, by this screening program.
Nevertheless, the aforementioned advantages of FIT, missed neoplasms and interval cancer still exists under the current one-day stool sampling method with biennial screening interval, which might affect the effectiveness of overall screening program. Increase the number of stool samples or shortening of screening interval may be helpful for early detection of clinically significant neoplasms but it remains unclear whether such an approach may lower the screenee compliance or public participation. Moreover, its impact on the demand of confirmatory colonoscopy and cost-effectiveness of the whole screening program is still largely unknown and need to be further investigated.
In this study, we firstly aim to randomly allocate screening attendee to one of the following four arms: one-day sampling with annual screening, one-day sampling with biennial screening, two-day sampling with annual screening, and two-day sampling with biennial screening. Participation rate, positive rates of FIT, detection rate for neoplasms, positive predictive value, and long-term outcome including cancer incidence and mortality will be calculated and compared among four groups.
Secondly, in the Taiwanese population, which is a typical presentation of Asian populations, although the incidence of colorectal cancer is rapidly increasing, Helicobacter pylori-related upper gastrointestinal pathologies remain highly prevalent, which may imply that mass screening solely based on FIT could be insufficient as significant upper GI pathologies can be missed. Since the FIT does not predict upper GI pathologies, the adjunct of an「Helicobacter pylori stool-antigen test (HpSA) 」 may be a potential candidate to realize a pan-detecting assay based on stool samples in a population in which both lower and upper GI lesions are equally prevalent. Therefore, in the present study, we will also evaluate the value of simultaneous FIT and HpSA test in the community-based mass screening. We invited subjects in a randomized study to receive the FIT or the FIT plus HPSA. Those who are tested positive for HPSA will receive upper endoscopic examination and anti-H. pylori treatment. For the short-term indicators, we will evaluate the participation rate and diagnostic yield when the HPSA is added. For the long-term indicators, we will compare the incidence and mortality of gastric cancer as well as complicated peptic ulcers.
To summary, this study includes two randomized trials:
- To make a comparison between one-day sampling with annual screening, one-day sampling with biennial screening, two-day sampling with annual screening, and two-day sampling with biennial screening using FIT;
- To make a comparison between FIT plus HpSA and FIT alone for screening.
Finally, the cost-effectiveness analysis will be also conducted using previously established Markov model of CRC natural history and stomach diseases (such as dyspepsia, peptic ulcer disease, and gastric cancer) using the results ascertained from this trial.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Han-Mo Chiu, M.D., Ph.D.
- Phone Number: +886-2-23123456 ext 63354
- Email: hanmochiu@ntu.edu.tw
Study Contact Backup
- Name: Yi-Chia Lee, M.D., Ph.D.
- Phone Number: +886-2-23123456 ext 63351
- Email: yichialee@ntu.edu.tw
Study Locations
-
-
-
Taipei, Taiwan, 10002
- Recruiting
- National Taiwan University Hospital
-
Contact:
- Han-Mo Chiu, M.D., Ph.D.
- Phone Number: 63354 +886-2-23123456 ext 63354
- Email: hanmochiu@ntu.edu.tw
-
Contact:
- Yi-Chia Lee, M.D., Ph.D.
- Phone Number: 63351 +886-2-23123456 ext 63351
- Email: yichialee@ntu.edu.tw
-
Principal Investigator:
- Han-Mo Chiu, M.D., Ph.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 50 to 75 years average-risk subjects for FIT
- 50 to 75 years subjects for HpSA
Exclusion Criteria:
- Subjects who are unwilling to participate
- Subjects ineligible for endoscopy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: one-day sampling with one-year interval
FIT one-day sampling with one-year interval
|
Screening with one-year interval
One-day sampling
|
Active Comparator: one-day sampling with two-year interval
FIT one-day sampling with two-year interval
|
One-day sampling
Screening with two-year interval
|
Experimental: two-day sampling with one-year interval
FIT two-day sampling with one-year interval
|
Screening with one-year interval
Collect two stool samples in two separate days
|
Experimental: two-day sampling with two-year interval
FIT two-day sampling with two-year interval
|
Screening with two-year interval
Collect two stool samples in two separate days
|
Experimental: Hp stool antigen (HpSA)+FIT
HpSA for detection of upper gastrointestinal tract diseases and upper endoscopy for H. pylori carriers; HPSA combined with FIT
|
HpSA for detection of upper gastrointestinal diseases; screen and treat for H. pylori infection.
Upper endoscopy for H. pylori carriers.
HPSA+FIT compared with FIT alone.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Detection rate for advanced adenoma and cancer
Time Frame: 6 years
|
Detection rate for advanced adenoma per 1000 screened subjects and detection rate for invasive cancers per 1000 screened subjects
|
6 years
|
Detection rate of upper gastrointestinal tract diseases
Time Frame: 6 years
|
Detection rate for important upper gastrointestinal tract lesions and important upper gastrointestinal tract neoplastic lesions per 1000 screened subjects.
|
6 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Participation rate for the FIT and/or HpSA
Time Frame: 6 years
|
participation rate=tested population/ target or invited population
|
6 years
|
Detection rates for non-advanced adenoma
Time Frame: 6 years
|
Detection rate for non-advanced adenoma per 1000 screened subjects
|
6 years
|
Confirmatory examination referral rate
Time Frame: 6 years
|
Subjects who received confirmatory examinations (colonoscopy or flexible sigmoidoscopy plus double contrast barium enema for lower gastrointestinal tract disease; esophagogastroduodenoscopy for upper gastrointestinal tract disease) / subjects with positive stool test (FIT or HpSA)
|
6 years
|
Mortality rate from colorectal cancer
Time Frame: Anticipated 10 years
|
Number of colorectal cancer death / person-year of each study arm
|
Anticipated 10 years
|
Incidence of colorectal cancer
Time Frame: Anticipated 10 years
|
Number of incident colorectal cancer / person-year of each study arm
|
Anticipated 10 years
|
Incidence of stomach cancer
Time Frame: Anticipated 10 years
|
Number of incident stomach cancer / person-year of each study arm
|
Anticipated 10 years
|
Mortality rate from stomach cancer
Time Frame: Anticipated 10 years
|
Number of stomach cancer death / person-year of each study arm
|
Anticipated 10 years
|
Helicobacter pylori eradication rate
Time Frame: 6 years
|
Subjects who received anti-H.
pylori treatment.
|
6 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Han-Mo Chiu, M.D., Ph.D., Department of Internal Medicine & Health Management Center
- Principal Investigator: Yi-Chia Lee, M.D., Ph.D., National Taiwan University Hospital
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 201205030RIB
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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