Dexamethasone Suppression Test in Healthy Volunteers


About this study

The purpose of this study is to establish a reference range for free cortisol following dexamethasone administration in 100 volunteers without suspicion of cortisol excess.

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. If you need assistance understanding the eligibility criteria, please contact the study team.

Inclusion Criteria:

  • >18 years, men and women

Exclusion Criteria:

  • Contraindication to dexamethasone
  • Suspected cortisol excess
  • Unable to sign informed consent
  • History of steroid use for any reason
  • Uncontrolled diabetes mellitus

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Irina Bancos, M.D.

Open for enrollment

Contact information:

Melinda Thomas


More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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