Status:

ENROLLING_BY_INVITATION

Biomarkers of Airway Disease, Barrett's and Underdiagnosed Reflux Noninvasively (BADBURN)

Lead Sponsor:

NYU Langone Health

Collaborating Sponsors:

National Institute for Occupational Safety and Health (NIOSH/CDC)

Conditions:

Airway Disease

Barrett Esophagus

Eligibility:

MALE

37-90 years

Brief Summary

A majority of Fire Department of New York (FDNY) World Trade Center (WTC) exposed rescue and recovery workers developed gastroesophageal reflux disease (GERD), a risk factor for Barrett's Esophagus (B...

Eligibility Criteria

Inclusion

  • Age 37-90
  • FDNY rescue and recovery worker.
  • Male\*
  • Documented WTC exposure.
  • Consented/Enrolled in the FDNY WTC Health Program
  • Subjects are willing and able to consent for themselves to study enrollment
  • Subjects are willing and able to participate in study procedures
  • Are able to perform their activities of daily living independently
  • Are either light duty or retired FDNY Firefighters
  • Spirometry available within the last 24 months, and at a post-9/11 visit.
  • Have means to accommodate transportation to/from in-person visit Are able to attend a single visit at the CTSI (462 1st Avenue, C \& D 4th Floor)
  • Pre-9/11 spirometry with FEV1%predicted ≥LLN and if not available 1st -post 9/11 spirometry with an FEV1 \>80% predicted.
  • Exposure at the WTC-site within 2 weeks of the 9/11/2001
  • Entered WTC-HP before the site closure on 7/24/2002.
  • Serum from their first post 9/11 WTC-HP visit is available in the FDNY WTC biorepository and may be assayed
  • Are not currently being treated for malignancy
  • Subjects will either need to be defined as having WTC-AHR, WTC-GERD, WTC-BE or be designated controls as per the following additional inclusion criteria are specific to the WTC-aerodigestive disease that the subjects have
  • AHR--A positive methacholine (PC20\<16) and/or positive bronchodilator response (ATS/ERS guidelines: improvement of FEV1 by 12% and at least 200mL) at least once post-9/11.\[95, 96\]No recorded positive AHR testing prior to 9/11
  • GERD Inclusion Criteria
  • Erosive esophagitis LA grade C or D (as described on endoscopy), OR
  • Stricture or Barrett's esophagus on endoscopy, OR
  • Esophageal acid exposure time \>6% on a pH or pH impedance study
  • 19\. BE Inclusion Criteria
  • Columnar epithelium lining ≥1 cm of the distal esophagus. AND
  • Histologic examination of biopsy specimens from that columnar epithelium must reveal intestinal metaplasia characterized with goblet cells.

Exclusion

  • Unwilling to complete an informed consent.
  • Not enrolled in the WTC-HP
  • Do not meet eligibility criteria for AIM 1 or did not have serum available in the biorepository from the first post 9/11 WTC-HP visit.
  • Have pre-existing and documented conditions or concurrent diagnoses, including (and not necessarily limited to) active cancer, severe heart disease, significant cognitive impairment, eating disorders, significant psychiatric illness, end-stage COPD, severe pulmonary hypertension, or organ transplant.
  • High dose steroid (\>20mg prednisone or equivalent) or other hormonal treatments/chemotherapy use in the last month, including testosterone supplementation.
  • Life-expectancy \< 6 months
  • Female\*

Key Trial Info

Start Date :

March 22 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

July 1 2027

Estimated Enrollment :

200 Patients enrolled

Trial Details

Trial ID

NCT05216133

Start Date

March 22 2023

End Date

July 1 2027

Last Update

June 5 2025

Active Locations (1)

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NYU Clinical & Translational Science Institute Clinical Research Center (CTSI CRC)

New York, New York, United States, 10016