Epidemiology of H. Pylori Transmission
Status
Conditions
Details and patient eligibility
About
This observational epidemiologic study with nested cross-sectional and longitudinal aims will evaluate host immune response to mixed chronic infections (Helicobacter pylori, latent tuberculosis, intestinal helminthiasis) in recent US immigrants.
Full description
1750 clinically-well, adult (age 18-55 years), recent immigrants (<2 years U.S. residence), referred through cooperating public health clinics in the Santa Clara Valley area, CA will be screened for H. pylori, helminth, and latent tuberculosis infections ["Screening" population]. Of these 1750, 426 will be selected for more intensive study (Cohort population), 105 of whom will receive baseline endoscopy. Of those selected for the cohort, 300 are expected to complete a 9-month follow-up assessment, 75 of whom are expected to undergo a second follow-up endoscopy.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
- Between 18-55 years of age
- Either sex
- If female not pregnant or breastfeeding
- Lived in the United States less than 2 years
- Healthy
- Scheduled for Tuberculosis Skin Test (TST)
Exclusion criteria
- Under 18 and older than 55 years of age,
- Pregnant or breastfeeding
- Have lived in Unites States more that 2 years
- Chronic illness
- Not planning to get a TST
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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