Study WTC lung and reflux markers using noninvasive tests
Part of Cancer, Digestive system clinical trials.
This study looks at blood “biomarkers” and breathing/acid-reflux measurements in FDNY workers exposed to the 9/11 site to understand airway disease, Barrett’s esophagus, and reflux. It may help identify which people have hidden (underdiagnosed) reflux or lung involvement after 9/11.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Age 37 to 90
- Be an FDNY rescue and recovery worker with documented WTC exposure
- Be male and enrolled in the FDNY World Trade Center (WTC) Health Program
- Be able to consent and do your daily activities independently, and attend one in-person visit at NYU Langone CTSI (462 1st Avenue)
- Have spirometry (breathing test) results from within the last 24 months, including at a post-9/11 visit
- Have WTC-related evidence for one of these: airway reactivity, reflux (GERD), or Barrett’s esophagus—and the study must have your first post-9/11 blood sample in its biorepository
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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