Atrophic Gastritis
Conditions
Interventions
Gold Standard:Biopsy was performed on the five sites of antrum greater and lesser curvature, incisura lesser curvature, and middle corpus greater and lesser curvature. Pathological results were used a
Index test:EndoAngel
Sponsors
Renmin Hospital of Wuhan University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Male or female aged 18 years or above; 2.Gastroscopy is needed to further define the characteristics of digestive tract diseases; 3.Helicobacter pylori (H.P) negative, including uninfected and eradicated persons; 4.Be able to read, understand and sign informed consent; 5.The investigator believes that the subject can understand the process of the clinical study and is willing and able to complete all the study procedures and follow-up visits and cooperate with the study procedures.
Exclusion criteria
Exclusion criteria: 1.Participated in other clinical trials, signed the informed consent and was in the follow-up period of other clinical trials; 2.Has participated in a clinical trial of the drug and is in the washout period of the experimental drug or control drug; 3.Pregnant or lactating women; 4.Past history of malignant tumor; 5.Have used antithrombotic drugs within the last two weeks; 6.History of esophageal and gastric varices; 7.History of upper gastrointestinal bleeding; 8.Esophageal stenosis caused by various causes; 9.Subjects with residual stomach; 10.Previous medical history of allergy to pre-used anesthetic drugs; 11.Subject was deemed unsuitable for painless gastroscopy by the investigator; 12.High risk diseases or other special conditions that the investigator considers unsuitable for the subject to participate in the clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic accuracy of GA/IM;Accuracy of disease risk assessment; | — |
Secondary
| Measure | Time frame |
|---|---|
| GA/IM diagnostic sensitivity, specificity, positive predictive value, negative predictive value, ROC;Sensitivity, specificity, positive predictive value, negative predictive value, ROC of gastric cancer risk assessment;Recognition accuracy, sensitivity, specificity, positive predictive value, negative predictive value, ROC;The detection rate; | — |
Countries
China
Contacts
Public ContactYu Honggang
Renmin Hospital of Wuhan University
Outcome results
None listed