5,000
Participants
Start Date
November 1, 2019
Primary Completion Date
December 31, 2022
Study Completion Date
December 31, 2026
Breath sampling for VOC detection
Breath sampling will be performed by using a special sensor device and or GC-MS analysis (by collecting breath samples in adsorbent tubes). Pepsinogen testing will be used in a subgroup to identify serological increased risk for atrophy
Surgery material collection for VOC headspace analysis
Only for gastric cancer patients undergoing surgery (Group 1)
Upper endoscopy
Routine endoscopic evaluation with a standard biopsy work-up according to updated Sydney system. Additional gastric contents for GC-MS and microbiota analysis in a subgroup. Endoscopy will be used only according to the clinical indications (in Group 4 - according to the results of pepsinogen tests)
Microbiota testing
Faecal and gastric contents and biopsy samples for microbiota testing
RECRUITING
A.C.Camargo Cancer Center, São Paulo
NOT_YET_RECRUITING
Pontificia Universidad Catolica de Chile, Santiago
NOT_YET_RECRUITING
Centro Javeriano de Oncología, San Ignacio University Hospital, Bogotá
RECRUITING
National Cancer Institute of Ukraine, Kiev
RECRUITING
Institute of Clinical and Preventive Medicine, University of Latvia, Riga
Collaborators (1)
Technion, Israel Institute of Technology
OTHER
University of Ulm
OTHER
Uppsala University
OTHER
JLM Innovation GmbH
UNKNOWN
Universitaet Innsbruck
OTHER
Hospital Universitario San Ignacio
OTHER
Universidad de Pamplona
OTHER
Pontificia Universidad Catolica de Chile
OTHER
AC Camargo Cancer Center
OTHER
National Cancer Institute of Ukraine
OTHER
VTT Technical Research Centre of Finland
OTHER
University of Latvia
OTHER