Device Evaluation for Point of Care Anticoagulation Testing


About this study

The purpose of this study is:

  • To Evaluate and validate the Roche Coaguchek XS Plus analyzer at MCA to replace the ITC Hemochron Jr. Signature + for fingerstick INR.
  • To familiarize the Coumadin Clinic nurses with the new POC device
  • To develop a compliance plan for daily operation..

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:

  • Verbal consent of the patient 
  • Patient’s being seen in the Anticoagulation Clinic

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

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

James Hernandez, M.D.

Contact us for the latest status

Contact information:

Josephine Uy MT(ASCP)


More information


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