Actively Recruiting

Phase Not Applicable
Age: 18Years - 40Years
All Genders
Healthy Volunteers
NCT05794087

The Role of Macrophage Activation in Lung Injury Following Ozone Exposure

Led by Rutgers, The State University of New Jersey · Updated on 2025-12-17

120

Participants Needed

1

Research Sites

225 weeks

Total Duration

On this page

Sponsors

R

Rutgers, The State University of New Jersey

Lead Sponsor

N

National Institute of Environmental Health Sciences (NIEHS)

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of the study is to better understand the mechanisms of lung injury from ozone exposure. Subjects will participate in two exposure sessions: filtered air and 0.2 ppm ozone. The exposure visits will be at least 2 weeks apart. Subjects will be asked to produce sputum through coughing after each exposure. The samples will be analyzed for macrophage activity.

CONDITIONS

Official Title

The Role of Macrophage Activation in Lung Injury Following Ozone Exposure

Who Can Participate

Age: 18Years - 40Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults aged 18 to 40 years
  • Healthy individuals able to produce a sputum sample
  • Willingness to participate in two exposure sessions at least 2 weeks apart
  • Ability to perform intermittent exercise on a bicycle during exposure
  • Ability to attend 5 study visits at the Rutgers EOHSI clinical center
Not Eligible

You will not qualify if you...

  • Cardiovascular disease
  • Respiratory disease
  • Recent respiratory or COVID-19 symptoms within 4 weeks
  • Diabetes
  • Pregnancy
  • HIV infection
  • History of smoking within the past 5 years
  • Orthopedic or rheumatologic conditions interfering with bicycle use
  • Inability to produce a sputum plug at screening
  • Daily use of antioxidant supplements such as Vitamin C, Vitamin E, selenium, beta-carotene, lycopene, lutein, zeaxanthin, or ginkgo biloba (except multivitamins)

AI-Screening

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Trial Site Locations

Total: 1 location

1

Rutgers - EOHSI

Piscataway, New Jersey, United States, 08854

Actively Recruiting

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Research Team

K

Kathleen Black, PhD

CONTACT

A

Adriana De Resende

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

CROSSOVER

Primary Purpose

BASIC_SCIENCE

Number of Arms

2

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The Role of Macrophage Activation in Lung Injury Following Ozone Exposure | DecenTrialz