Minimally Invasive Biomarker for Asthma Disease Severity


About this study

Can a clinical test be developed that could help manage asthma symptoms?

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.


  • Asthma Subjects
    • FEV1 > 1.0 Liter
    • FeNO>50 ppb
    • Provider diagnosed asthma
  • Normal Subjects
    • Age matched to asthma subjects


  • Asthma Subjects
    • COPD by history
    • Bronchiectasis by history
    • Pregnant participants 
  • Normal Subjects
    • Any eosinophil disorder by history
    • Asthma by history
    • Rhinitis or sinusitis by history

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

James Lee, Ph.D.

Closed for enrollment

More information


Publications are currently not available

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