Record-breaking pig kidney transplant lasts 271 days in US patient
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Tim Andrews, Mass General Brigham
Massachusetts, USA
January 2025 - January 2026
This page is produced by collecting and structuring multiple public reports. Sections based only on reporting or testimony affect the displayed assessment, and the page is updated when new information is identified.
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COMPAMIR Editorial Team
The COMPAMIR editorial team brings together public reporting and links to the original coverage. We update the page as new information emerges.
Read our editorial policy- Earlier version 19/4/2026, 3:30:54 AM
A genetically modified pig kidney functioned in a human patient for 271 days, the longest duration on record. The procedure at Mass General Brigham highlights the potential of xenotransplantation as a bridge to human organ donation. The patient, Tim Andrews, eventually received a human kidney transplant after the pig organ failed.
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