NHPH Infections
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) H. pylori-naive gastric cancer patients who visit Oita University Hospital or one of the participating facilities and undergo an upper gastrointestinal endoscopy (2) Patients who have given their consent to participate in this study, either verbally or in writing (3) Patients who are over 18 years of age
Exclusion criteria
Exclusion criteria: (1) Cases positive for H. pylori (2) Cases with a history of H. pylori eradication therapy (3) Cases taking acid inhibory drug or antibiotics within 2 weeks prior to the endoscopy date (4) Cases taking immunosuppressants or steroids (5) Cases with severe complications (heart failure, renal failure, liver failure, respiratory failure) (6) Other cases deemed inappropriate for participation in this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| NHPH infection rate in gastric tumor patients confirmed to be H. pylori-free using multiple diagnostic methods | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. NHPH infection rates in H. pylori-naive gastric tumors in Japan by histopathological type 2. NHPH Infection rates in H. pylori-naive gastric tumors in Japan by disease type 3. Evaluation of NHPH Infection Diagnosis Using Endoscopic Aspirate from H. pylori-naive gastric tumors 4. Evaluation of Patient Background in NHPH Infections (Age, Sex, Disease, Pet Ownership History, Hormone Injection History, etc.) 5. Evaluation of abdominal symptoms in patients with NHPH infection 6. Evaluation of endoscopic findings in NHPH infection 7. Association between NHPH bacterial species and H. pylori-uninfected gastric tumors | — |
Countries
Japan
Contacts
Oita University Research Center for GLOBAL and LOCAL Infectious Disease