How ozone affects ragweed pollen and asthma symptoms

Pulmonary Response to Ozone-exposed Ragweed Pollen Grains

NIH-funded research Mayo Clinic Arizona · NIH-11115726

This study is looking at how ozone pollution affects ragweed pollen, which can make asthma symptoms worse, to help us understand why air pollution might lead to more asthma problems for people who are allergic to ragweed.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMayo Clinic Arizona NIH-funded
Lab location1 site (Scottsdale, United States)
Project IDNIH-11115726 on NIH RePORTER

What this research studies

This research investigates the impact of ozone exposure on ragweed pollen, a major allergen for people with asthma. The study aims to understand how ozone alters the structure and chemical composition of ragweed pollen, potentially worsening asthma symptoms. Researchers will use advanced imaging techniques and in vivo models to observe the biological responses triggered by these changes, focusing on inflammation in the airways. By examining these interactions, the research seeks to uncover the mechanisms behind increased asthma morbidity linked to air pollution.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with allergic asthma, particularly those who are sensitive to ragweed pollen.

Not a fit: Patients without asthma or those who are not allergic to ragweed pollen may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and management of asthma exacerbations caused by environmental factors.

How similar studies have performed: Previous research has shown that environmental factors like air pollution can significantly impact asthma, suggesting that this study's focus on ozone and ragweed pollen is both relevant and necessary.

Where this research is happening

Scottsdale, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.