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Gene-Edited Pig Kidney Keeps Patient Off Dialysis 271 Days

9/8/2026

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Summary

Story summary

Timothy Andrews received a gene-edited pig kidney as a bridge.
The kidney functioned for 271 days, keeping him off dialysis from Jan 2025 to Oct 2025.
He underwent a human kidney transplant on Jan 13, 2026 after the pig kidney was removed.
The organ had 69 edits: three antigen genes removed, seven genes added, 59 PERV copies inactivated.
The Lancet reported no pig viruses, pathogens, or new antibodies and recorded the longest 271-day survival.

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Story summary

Timothy Andrews received a gene-edited pig kidney as a bridge.
The kidney functioned for 271 days, keeping him off dialysis from Jan 2025 to Oct 2025.
He underwent a human kidney transplant on Jan 13, 2026 after the pig kidney was removed.
The organ had 69 edits: three antigen genes removed, seven genes added, 59 PERV copies inactivated.
The Lancet reported no pig viruses, pathogens, or new antibodies and recorded the longest 271-day survival.