A Study Of PFAS With Therapeutic Plasma Exchange

Overview

About this study

The purpose is this study is to quantify the immediate absolute and percent change in summed plasma PFAS concentration following TPE using paired pre- and post-procedure remnant specimens.

 

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:

  • Age 18 through 85 years, inclusive.

  • Undergoing therapeutic plasma exchange at Mayo Clinic Arizona for a clinical indication unrelated to PFAS exposure or toxicity.

  • Able and willing to provide written informed consent and HIPAA authorization in person.

  • Sufficient remnant plasma available from the routine procedure for research aliquots.

  • Both pre- and post-procedure specimens must already have been ordered and collected for clinical purposes, with sufficient remnant plasma available after clinical testing.

 

Exclusion Criteria: 

  • Pregnant individuals.

  • Incarcerated individuals (prisoners).

  • Adults lacking the capacity to provide informed consent.

  • Undergoing TPE for known or suspected PFAS exposure or toxicity.

  • Age under 18 or over 85 years.

Note: Other protocol defined Inclusion/Exclusion Criteria may apply. 

Eligibility last updated 07/20/2026. Questions regarding updates should be directed to the study team contact.

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

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Lawrence Williams III, M.D.

Contact us for the latest status

More information

Publications

Publications are currently not available

Additional contact information

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Phone: 800-664-4542 (toll-free)

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