A Prospective Cohort Study on Endoscopic Features of Upper Gastrointestinal Tract at High Altitude (Zaduo County)
Recruiting now
Conditions studied: Reflux Esophagitis
In brief
To prospectively enroll participants undergoing gastroscopy at Zaduo County People's Hospital and perform paired analyses with matched cases from Jilin Province. This aims to characterize the endoscopic features of esophageal diseases specific to the high-altitude population in Zaduo County.
Key facts
- Study ID
- NCT07755384
- Run by
- Jilin University
- People needed
- 60
- Starts
- 2025-12-01
- Expected to finish
- 2026-12-31
- Last updated by the study team
- 2026-08-10
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Aged ≥18 years;
- Resided in Zaduo County for ≥6 months;
- Undergoing painless (sedated) gastroscopy at our institution;
- Absence of severe cardiopulmonary diseases or other conditions contraindicating gastroscopy;
- Voluntary provision of written informed consent.
You may not qualify if…
- Emergency endoscopy;
- History of partial or total esophagogastrectomy;
- Planned endoscopic ultrasound (EUS) or endoscopic submucosal dissection (ESD);
- Comorbidities including severe cardiac, hepatic, or renal dysfunction, or malignant tumors;
- Pregnancy or lactation, chronic alcoholism, or psychiatric disorders precluding cooperation;
- Participation in other interventional clinical trials within the recent past;
- Age <18 years;
- Incomplete endoscopic examination (e.g., poor preparation, technical failure);
- Any other condition deemed unsuitable for participation by the investigator.
Where it is running
- Zaduo County People's Hospital — Yushu, Qinghai, China (enrolling)
Full record on ClinicalTrials.gov
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