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Updated: Jan 9, 2026

Quantification of Circulating Pig-Specific DNA in the Blood of a Xenotransplantation Model
Published on: September 22, 2020
Clinical translation of xenotransplantation: regulatory pathways and ethical oversight in a global context
Brendan Parent1, Benjamin Hippen2
1NYU Grossman School of Medicine, Division of Medical Ethics, New York, New York.
Purpose Of Review:
The science and practice of xenotransplantation is advancing more rapidly than the regulatory infrastructure that will be necessary to ensure the promise of alleviating the organ shortage can be safely and equitably met.
Recent Findings:
While countries leading the way have developed some regulatory guidance to support first in human "compassionate use" xenotransplant interventions and the first clinical trials, existing legislative, regulatory, and operational frameworks for human allotransplantation have not been explicitly extended to nonhuman animal organs.
Summary:
To address safety concerns and other ethics challenges unique to xenotransplantation, existing policies must be amended and new policies must be implemented to protect patients and ensure equitable access to xenotransplantation.

