Age Dependent Effects of Cigarette Smoke in Humans

Trial Objective

Mouse testing has shown  that smoke exposure affects certain cells differently in the lung depending on age. This study is designed to test this effect in humans.

If you meet the initial phone screening qualifications, your study participation will consist of 2 or 3 visits to National Jewish Health''s main campus. This study requires each participant to undergo a bronchoscopy procedure at the last visit. 


Active Clinical Trials Closed to Recruitment

How to Participate

For more information, contact Jennifer Brandorff at 303.398.1811 or complete the form below.

Who Can Participate

  • Adult smokers ages 18-30 & ages 50-70

(Further details for qualification can be discussed with the study coordinator at phone screening.)

Trial Location

Main Campus, Denver, CO



Trial Sponsors

National Jewish Health

Principle Investigators

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    Richard Martin, MD