A Study of the Test Results of Performing an Exhaled Nitric Oxide Before versus After Spirometry


About this study

The purpose of this study is to measure and compare the exhaled nitric oxide test before spirometry (standard procedure) and then 15 minutes after spirometry, to see if there are any statistical differences in the testing order.

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.

Inclusion Criteria

  • Clinically ordered exhaled nitric oxide and spirometry tests       


Exclusion Criteria

  • < 18 years old

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

Rochester, Minn.

Mayo Clinic principal investigator

Carl Mottram, R.R.T.

Closed for enrollment

More information


Publications are currently not available

Additional contact information

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Phone: 800-664-4542 (toll-free)

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