Time Longitudinal Study of the Microbiome in Colorectal Cancer Subjects


About this study

The primary purpose of this study is to characterize the microbes that are causal of colorectal cancer and those that are merely conditions of the tumor. This will be accomplished by comparing the microbiomes before and after resection.

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:

  • 18 years of age or older.
  • Patients undergoing bowel resection by any standard surgical approach.

Exclusion Criteria:

  • Female who is pregnant.
  • Currently receiving or have received pelvic cancer radiation therapy in the past 2 weeks.
  • Currently receiving or have received chemotherapy in the past 2 weeks.

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

Nicholas Chia, Ph.D.

Open for enrollment

Contact information:

Jennifer Martin

(507) 266-6404


More information


Publications are currently not available

Mayo Clinic Footer