GM-CSF and Cytokines in Cystic Fibrosis Airway Specimens


About this study

This study aims to assess GM-CSF and cytokine concentrations in sputum from cystic fibrosis patients. Correlation with pulmonary function will be determined and compared between persons colonized or non-colonized with non-tuberculous mycobacterium (NTM).

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:

  1. Subjects must be diagnosed with cystic fibrosis
  2. Patients must sign consent (for themselves,or their children) prior to participating in the study
  3. Children will be required to give assent
  4. Subjects must be able to provide a sputum sample and be capable of undergoing a PFT


Exclusion Criteria: 

  1. Cystic fibrosis patients who do not give consent
  2. Are unable to provide a sputum sample
  3. Are incapable of undergoing a PFT as part of routine medical care
  4. Anyone younger than 7 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 Contact

Rochester, Minn.

Mayo Clinic principal investigator

Mark Wylam, M.D.

Closed-enrolling by invitation

What is this? (?)
Not open to everyone who meets the eligibility criteria, but only those invited to participate by the study team.

Contact information:

Mark Wylam M.D.

(507) 266-0707

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

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