Clinical trials: Gastric Intestinal Metaplasia
Mucosal Microbiome, Gastric Intestinal Metaplasia
Mucosal Microbiome in Human Gastric Intestinal Metaplasia and Duodenal Tissue.
To investigate the mucosal microbiome in human gastric intestinal etaplasia and duodenal tissue.
- Conditions
- Mucosal Microbiome, Gastric Intestinal Metaplasia, Duodenum
- Trial name
- NCT02428426
- Testing
- endomicroscopy, targeted biopsy and 16s rRNA gene sequencing
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shandong University
Gastric Atrophy, Gastric Intestinal Metaplasia
A Study Collecting Health Information to Understand and Prevent Gastric Cancer
The purpose of this study is to create a registry of participants with precursor lesions for gastric cancer, including gastric atrophy, intestinal metaplasia, and dysplasia.
- Conditions
- Gastric Atrophy, Gastric Intestinal Metaplasia, Dysplasia, Gastric Adenocarcinoma
- Trial name
- NCT06370143
- Testing
- Questionnaire
- Where
- 7 sites in United States
- Volunteers
- 3,200 people, healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Gastric Microbiota, Non-atrophic Gastritis
Difference of Gastric Microbiota in the Process of Correa's Model.
Helicobater pylori plays an important role in the development of gastric cancer. Eradication therapy can reducing the morbidity of gastric cancer, but can't totally prevent it especially when atrophy and more serious precancerous…
- Conditions
- Gastric Microbiota, Non-atrophic Gastritis, Atrophic Gastritis, Intestinal Metaplasia
- Trial name
- NCT02833363
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Shandong University
Gastric Cancer (GC), Premalignant Lesion
AI-Based Risk Prediction Model for Upper Digestive Tract Cancer
Upper digestive tract cancers are often preceded by pre-malignant lesions, but there is limited evidence regarding optimal risk prediction models and screening strategies for disease progression and cancer development.
- Conditions
- Gastric Cancer (GC), Premalignant Lesion, Gastric Intestinal Metaplasia, Atrophic Gastritis
- Trial name
- NCT07605312
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Functional Dyspepsia, Gastritis
The Prevalence and the Pathophysiological Role of Non-Helicobacter Pylori Helicobacter Spp. in Well-defined Gastric Diseases and (Pre-) Malignancies
The goal of this clinical trial is to discover the prevalence of NHPH bacteria (Non-Helicobacter pylori Helicobacter species) in patients with one of the following conditions: 1.
- Conditions
- Functional Dyspepsia, Gastritis, Gastritis Chronic, Gastric Cancer (GC)
- Trial name
- HELIS (NCT07770126)
- Where
- 3 sites in Belgium
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Universiteit Antwerpen
Gastric Cancer, Atrophic Gastritis
AG & IM in CA Stomach Protocol
This is a multi-center prospective case control study aiming to compare different methods of risk stratification models in predicting the risk of gastric cancer development.
- Conditions
- Gastric Cancer, Atrophic Gastritis, Intestinal Metaplasia
- Trial name
- NCT04184960
- Testing
- Gastroscopy and gastric biopsies
- Where
- 4 sites in Hong Kong, Japan and 2 more
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Gastric Cancer, Gastric (Stomach) Cancer
Gastric Cancer Endoscopic Screening in an Intermediate-risk Country - ROGCAS, a Dual-centre Pilot Program
Endoscopic screening of gastric cancer combined with screening colonoscopy
- Conditions
- Gastric Cancer, Gastric (Stomach) Cancer, Atrophic Gastritis, Intestinal Metaplasia of Gastric Mucosa
- Trial name
- ROGCAS (NCT06316882)
- Testing
- Screening endoscopy
- Where
- Portugal
- Volunteers
- 349 people, healthy volunteers welcome
- Sponsor
- Unidade Local De Saúde Do Norte Alentejano
Gastric Cancer, Gastric Intestinal Metaplasia
Surveillance of Patients With Precancerous Lesions of the Stomach
The project will aim to identify and determine subgroups of patients with different risks of progression to gastric cancer and to assess appropriate follow-up intervals.
- Conditions
- Gastric Cancer, Gastric Intestinal Metaplasia, Gastric Atrophy, Gastric Dysplasia
- Trial name
- NCT03250091
- Testing
- Upper endoscopy with biopsies, Plasma/serum sampling, Biopsies for gastric microbiota
- Where
- Latvia
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of Latvia
Gastric Cancer, Gastritis, Atrophic
Gastric Cancer Screening Quality Improvement System Establishment
Experienced endoscopists will perform endoscopy during the study period and the detection rate of gastric premalignant lesion, correlation between endoscopic and serologic diagnosis of premalignant lesions and inter-observer…
- Conditions
- Gastric Cancer, Gastritis, Atrophic, Intestinal Metaplasia
- Trial name
- NCT02457624
- Testing
- Education and feedback
- Where
- South Korea
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Flow Determination
Real-time Observation of Microcirculatory Hemodynamics in Gastric Intestinal Metaplasia by Confocal Laser Endomicroscopy
The morphologic change of microvessels has the clinical value to distinguish cancerous from non-cancerous mucosa. The aim of this study was to observe gastric mucosa microcirculatory hemodynamic changes real-time using pCLE…
- Trial name
- NCT02595151
- Testing
- CLE
- Where
- China
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Shandong University
Stomach Neoplasms, Atrophic Gastritis
OLGA and OLGIM Stage System for Gastric Cancer
To validate OLGA and OLGIM staging system with serum pepsinogen for estimating GC risk according to Lauren's histologic classification in South Korea.
- Conditions
- Stomach Neoplasms, Atrophic Gastritis, Intestinal Metaplasia
- Trial name
- NCT03380052
- Where
- South Korea
- Volunteers
- 2,900 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital
Gastric Intestinal Metaplasia, Gastric Cancer
Microbiome Analysis in Gastric Intestinal Metaplasia and in Gastric Cancer and Subtypes Correlation
The aim of the study will be to analyze the microbiome in the blood and stomach in patients with intestinal metaplasia (IM) and / or gastric cancer (GC).
- Conditions
- Gastric Intestinal Metaplasia, Gastric Cancer, Microbiome
- Trial name
- NCT04365946
- Testing
- Gastroscopy
- Where
- Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ioannina
Colorectal Cancer, Colorectal Adenoma
Volatile Markers in Digestive Cancer
The study is aimed to determine the potential of volatile marker testing for identification of gastrointestinal cancers (in particular - colorectal and gastric cancers), the related precancerous lesions in the stomach and colon.
- Conditions
- Colorectal Cancer, Colorectal Adenoma, Gastric Cancer, Peptic Ulcer Disease
- Trial name
- VOLGACORE (NCT02332213)
- Testing
- Breath sampling for volatile marker detection, Upper endoscopy with biopsies, Colonoscopy with biopsies or lesion removal when required
- Where
- 2 sites in Latvia, Lithuania
- Volunteers
- 2,022 people, healthy volunteers welcome
- Sponsor
- University of Latvia
Gastric Cancer
Novel Screening Modality for Early Gastric Cancer
Potential patients will be recruited at participating sites based on routine care with clinical indications for upper endoscopy.
- Trial name
- NCT04114006
- Where
- Honduras
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Bile Reflux Gastritis, Gastric Cancer
Study on the Effect of Bile Reflux on Gastric Cancer and Its Precancerous Lesions: a Cross-sectional Study.
To explore the effects of bile reflux on gastric cancer and its precancerous lesions, so as to better prevent the occurrence and development of gastric cancer.
- Conditions
- Bile Reflux Gastritis, Gastric Cancer, Helicobacter Pylori Infection, Intestinal Metaplasia
- Trial name
- NCT03976739
- Where
- China
- Volunteers
- 1,162 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital of Digestive Diseases
Helicobacter Pylori, Atrophic Gastritis
Helicobacter Pylori, Atrophic Gastritis and Intestinal Metaplasia Registry and Prospective Study
Since much is unknown about factors that lead to progression of the pre-neoplastic lesions and cancer. In addition, there is ongoing debate on the optimal surveillance intervals and techniques.
- Conditions
- Helicobacter Pylori, Atrophic Gastritis, Intestinal Metaplasia
- Trial name
- NCT05053945
- Testing
- Esophagogastroduodenoscopy
- Where
- 2 sites in Hong Kong
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Stomach Neoplasms, Metaplasia
Acetic Acid Chromoendoscopy to Judge Gastric Intestinal Metaplasia
The presence and the extent of gastric intestinal metaplasia(IM) is a good indicator of high risk group of gastric cancer. Many methods was developed to survey it, including multiple gastric biopsy or methylene blue…
- Trial name
- IM (NCT01499576)
- Testing
- Acetic acid chromoendoscopy
- Where
- South Korea
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Konyang University Hospital
Tuberculosis, Gastric Cancer
Volatiles in Breath and Headspace Analysis - Diagnostic Markers
Detection of Volatile Organic Compounds (VOC) directly from tissue by headspace analysis (skin, surgery material, other tissue) and exhaled breath is feasible using affordable user-friendly novel nano-chemo sensors that can…
- Conditions
- Tuberculosis, Gastric Cancer, Peptic Ulcer, Atrophic Gastritis
- Trial name
- Volatolome (NCT03228095)
- Testing
- VOC detection in breath and in skin headspace, Breath sampling, Upper endoscopy with biopsies
- Where
- Latvia
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University of Latvia
Gastric Xanthoma, Helicobacter Pylori Infection
A Study on the Relationship Between Gastric Xanthoma and Gastric Cancer and Precancerous Lesions
To explore the effects of gastric xanthoma on gastric cancer and its precancerous lesions, so as to better prevent the occurrence and development of gastric cancer.
- Conditions
- Gastric Xanthoma, Helicobacter Pylori Infection, Gastric Cancer, Intestinal Metaplasia
- Trial name
- NCT06282484
- Where
- China
- Volunteers
- 1,260 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital of Digestive Diseases
Stomach Neoplasm, Chronic Atrophic Gastritis
The Gastric HormonE BioMarkers of Preneoplastic Lesions Study
The goal of the study is to understand whether blood levels of hormones produced or metabolized in the stomach reflect the health of the stomach lining.
- Conditions
- Stomach Neoplasm, Chronic Atrophic Gastritis, Intestinal Metaplasia
- Trial name
- GEM (NCT06085677)
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Imperial College London