A Study to Validate Current Machine Learning Models for Hemodynamic Instability in Humans


About this study

The primary purpose of this study is to provide a subset of data using protocols of tolerance to lower-body negative pressure for validation of a commercially available wearable device that will be used in predicting hemorrhagic shock in persons suffering civilian and battlefield trauma.

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:

  • Subjects between 18-55 years of age. 
  • Non-obese (BMI < 30).
  • Non-smokers.
  • Free of any systemic diseases including hypertension, diabetes, coronary artery disease, neurologic disease, or any other major medical co-morbidity. 
  • Women will be either surgically sterilized or non-pregnant as determined by a urine pregnancy test.  Urine pregnancy tests will be completed within 48 hours of any study intervention. If the test is positive they will not be able to participate in the study.
  • All inclusion/exclusion criteria will be at the discretion of the Principal Investigator.    

Exclusion Criteria:

  • None.

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

Timothy Curry, M.D., Ph.D.

Open for enrollment

Contact information:

Shelly Roberts R.N.

(507) 255-2807


More information


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