children and teenagers aged less than 20 years,
history of gastrectomy,
gastric malignancy, including adenocarcinoma and lymphoma,
previous allergic reaction to antibiotics (bismuth, amoxicillin, metronidazole, clarithromycin, tetracycline) and PPI (esomeprazole),
contraindication to treatment drugs,
pregnant or lactating women,
severe concurrent disease,
concomitant use of clopidogrel, or (9) Unwilling to accept random assignment of subjects

NCT03156855_inc_T1
Person
children
NCT03156855_inc_T2
Person
teenagers
NCT03156855_inc_T3
Person
aged
NCT03156855_inc_T4
Value
less than 20 years
NCT03156855_inc_T5
Observation
history
NCT03156855_inc_T6
Procedure
gastrectomy
NCT03156855_inc_T7
Condition
gastric malignancy
NCT03156855_inc_T8
Condition
adenocarcinoma
NCT03156855_inc_T9
Condition
lymphoma
NCT03156855_inc_T10
Scope
adenocarcinoma and lymphoma
NCT03156855_inc_T11
Drug
bismuth
NCT03156855_inc_T12
Drug
amoxicillin
NCT03156855_inc_T13
Drug
metronidazole
NCT03156855_inc_T14
Drug
clarithromycin
NCT03156855_inc_T15
Drug
tetracycline
NCT03156855_inc_T16
Drug
PPI
NCT03156855_inc_T17
Drug
esomeprazole
NCT03156855_inc_T18
Drug
antibiotics
NCT03156855_inc_T19
Scope
bismuth, amoxicillin, metronidazole, clarithromycin, tetracycline
NCT03156855_inc_T20
Temporal
previous
NCT03156855_inc_T21
Condition
allergic reaction
NCT03156855_inc_T22
Scope
antibiotics (bismuth, amoxicillin, metronidazole, clarithromycin, tetracycline) and PPI (esomeprazole)
NCT03156855_inc_T23
Condition
contraindication
NCT03156855_inc_T24
Drug
treatment drugs
NCT03156855_inc_T25
Condition
pregnant
NCT03156855_inc_T26
Condition
lactating
NCT03156855_inc_T27
Person
women
NCT03156855_inc_T28
Qualifier
severe
NCT03156855_inc_T29
Temporal
concurrent
NCT03156855_inc_T30
Condition
disease
NCT03156855_inc_T31
Temporal
concomitant
NCT03156855_inc_T32
Drug
clopidogrel