Man Survives 271 Days With Pig Kidney in Record Feat
The Spin
Narrative A
A gene-edited pig kidney kept Tim Andrews dialysis-free for 271 days — and when it was done, his immune system remained receptive enough to accept a human kidney that worked right away. This is proof that xenotransplantation works as a real clinical bridge, not just a lab concept. For millions facing chronic organ shortages, that's a genuine turning point.
Narrative B
Xenotransplantation still has a long road ahead — rejection ended the pig kidney's function after 271 days, and heavy immunosuppression wore the organ down the whole time. The supply chain for gene-edited pigs is tiny, costs are steep and ethical fights over animal use haven't gone away. Calling this a breakthrough oversells what is still an expensive, fragile stopgap with serious unresolved risks.
Metaculus Prediction
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