- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04191551
The GAstric Precancerous Conditions Study (GAPS)
Gastric cancer afflicts 27,000 Americans annually and carries a dismal prognosis. One reason for poor outcomes is late diagnosis, as the majority of gastric cancers in the United States are diagnosed at a relatively advanced stage where curative resection is unlikely. Gastric intestinal metaplasia (GIM) is a precancerous change of the stomach which increases risk for subsequent gastric cancer multiple-fold.
The Gastric Precancerous Conditions Study (GAPS) is an observational study with two over-arching objectives: 1) improve the non-invasive identification of patients with GIM, and 2) develop biological markers to predict the subset of GIM which will progress onto gastric cancer.
To achieve Aim 1, a case-control study (N=300 pairs) matching cases of GIM with age-/gender-matched controls will be recruited form the population of subjects undergoing clinically-indicated endoscopy. Determination of gastric pathology will be made by two, independent gastrointestinal pathologists. At time of endoscopy, a detailed clinical questionnaire is administered by face-to-face interview. Saliva and blood is collected prior to endoscopy. At time of endoscopy, protocoled clinical biopsies (per Revised Sydney Protocol) as well as additional research specimens are collected. Scoring of GIM will be performed based on the Operative Link for GIM scoring system.
To achieve Aim 2, patients with histologically-confirmed GIM (N=300) will be followed longitudinally. Biennial endoscopic surveillance will be performed, with repeat biopsies, specimen collection, and histologic scoring. Progression of GIM will be defined as upstaging of GIM score, or development of either dysplasia or carcinoma on any biopsy.
Study Overview
Status
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Robert J Huang, MD
- Phone Number: 650-725-0634
- Email: rjhuang@stanford.edu
Study Locations
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California
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Stanford, California, United States, 94305
- Recruiting
- Stanford University
-
Contact:
- Robert J Huang, MD
- Phone Number: 650-725-0634
- Email: rjhuang@stanford.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria: Subjects between the ages of 35 and 84, who are undergoing outpatient endoscopy for the following indications are eligible: abdominal pain, dyspepsia, iron deficiency anemia, Helicobacter assessment, surveillance of suspected or known intestinal metaplasia, evaluation for family history of gastric cancer
Exclusion Criteria:
- Cannot give consent
- Have history of gastric surgery
- Have history of solid tumor or bone marrow transplant
- Platelet Count < 70 or international normalized ratio > 1.5
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Gastric intestinal metaplasia
Subjects with histologically-confirmed intestinal metaplasia found during endoscopy with protocoled biopsies.
|
Controls
Subjects without intestinal metaplasia found during endoscopy with protocoled biopsies (age and sex matched to cases)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Progression of intestinal metaplasia
Time Frame: 24 months following enrollment
|
Progression will be assessed using the Operative Link for Gastric Intestinal Metaplasia (Reference 1).
This score reflects both the histologic severity as well as anatomic location of intestinal metaplasia.
Scores range from 0 (no metaplasia) to 4 (severe metaplasia).
It is believed that higher scores portend a higher risk for progression to cancer.
|
24 months following enrollment
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Joo Ha Hwang, MD, PhD, Stanford University
- Principal Investigator: Robert J Huang, MD, Stanford University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 45077
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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