Deuterated Phenanthrene Tetraol in Smokers Who Are at High Risk For Lung Cancer


About this study

This clinical trial studies deuterated phenanthrene tetraol in smokers who are at high risk for lung cancer. Studying samples of urine in the laboratory from smokers who are at high risk for lung cancer may help doctors learn more about biomarkers related to cancer.

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.


  • Current or former smoker
  • 18 years of age or older
  • Documentation of a diagnosis of no dysplasia, dysplasia, or metaplasia on bronchoscopy (white light and/or autofluorescence) conducted less than or equal to 10 years prior to registration
  • Not pregnant, planning on becoming pregnant or breastfeeding
  • Able to provide written informed consent indicating an understanding of the nature of the study
  • Willing to comply with study requirements, including taking [D10]phenanthrene in water with 20% ethanol
  • No previous history of aerodigestive cancer
  • Not currently undergoing treatment for any cancers. Exception: basal cell or squamous cell skin cancer
  • Not currently taking any other investigational agents
  • No history of allergic reaction to [D10]phenanthrene or similar compounds
  • No major medical comorbidities, for example, renal dysfunction, heart function, and diabetes, to be adjudicated by study physicians
  • Not a former or recovering alcoholic
  • No use of metronidazole

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

David Midthun, M.D.

Closed for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office


More information


Publications are currently not available

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