Two is Better Than One: A Novel Venous Access System for Intermittent Apheresis

  • End date
    Dec 10, 2023
  • participants needed
  • sponsor
    University of North Carolina, Chapel Hill
Updated on 10 May 2022


Purpose: To describe a novel configuration of venous access for the performance of intermittent apheresis.

Participants: 20 participants at UNC who were referred for change from a vortex port to a powerflow port.

Procedures (methods): Placement of one of two configurations of the powerflow port and follow up visits between January 1, 2019 and December 31, 2023.

Condition Apheresis
Treatment PowerPort
Clinical Study IdentifierNCT04846374
SponsorUniversity of North Carolina, Chapel Hill
Last Modified on10 May 2022


Yes No Not Sure

Inclusion Criteria

Over the age of 18 years of age
Referred for change from a vortex port to a powerflow port
Previously placed or scheduled placement of one of two configurations of the PowerFlow port

Exclusion Criteria

Unable to read and understand English
Unable to provide informed consent
Clear my responses

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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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