Actively Recruiting

Age: 18Years - 55Years
All Genders
Healthy Volunteers
NCT02480283

Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response

Led by University of Colorado, Denver · Updated on 2024-10-10

100

Participants Needed

1

Research Sites

607 weeks

Total Duration

On this page

Sponsors

U

University of Colorado, Denver

Lead Sponsor

N

National Center for Advancing Translational Sciences (NCATS)

Collaborating Sponsor

AI-Summary

What this Trial Is About

This study plans to evaluate the effects of chronic cannabis smoking on lung health by evaluating its effects on pulmonary health, lung physiology and alveolar macrophage function.

CONDITIONS

Official Title

Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response

Who Can Participate

Age: 18Years - 55Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Daily or near daily cannabis use inhaled via joint, cigarette, or pipe with at least 20 joint years, confirmed by urine test
  • Less than one pack year of tobacco use in lifetime, confirmed by urine test
  • Ability to answer screening questions, provide informed consent, and contact information
  • OR no cannabis use ever, confirmed by urine test (for control group)
  • No tobacco use ever (for control group)
  • Ability to answer screening questions, provide informed consent, and contact information (for control group)
Not Eligible

You will not qualify if you...

  • Cannabis use less than near daily or less than 20 joint years, or negative urine drug screen (for cannabis users)
  • Tobacco use exceeding one pack year or positive urine cotinine screen
  • High score on alcohol use disorder questionnaire (AUDIT-C)
  • History of liver disease, heart attack, heart failure, end-stage kidney disease, or diabetes
  • History of uncontrolled asthma or COPD
  • History of HIV not controlled or on medication
  • White blood cell count less than 3000
  • Recent worsening of respiratory symptoms or low oxygen levels
  • Use of systemic antibiotics in past 4 weeks
  • Failure to provide assent
  • Nutritional risk index below 95
  • Age less than 21 or greater than 55
  • Pregnancy
  • Decision-making incapacity
  • Prisoner status

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

University of Colorado, Denver

Aurora, Colorado, United States, 80045

Actively Recruiting

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Research Team

J

Jeffrey D McKeehan, MSN

CONTACT

E

Ellen L Burnham, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

2

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