Transplanted Pig Kidney Still Working After 9 Months
· dev
Transplanted Pig Kidney Still Working After a Record-Setting 9 Months in a Patient
Organ transplantation is often considered a patchwork solution, with patients waiting years or even decades for a suitable match. The case of a woman who has been living with a pig kidney for over nine months without needing dialysis may seem remarkable, but it’s not entirely surprising given the context.
The shortage of available kidneys in the US is a pressing issue. In 2025, fewer than 28,000 transplants were performed, while more than 95,000 people languished on waitlists. This scarcity has led researchers to explore pig organs as a potential stopgap measure. By using Crispr gene editing to modify pig DNA and reduce rejection risk, scientists have made significant progress.
The woman who received the eGenesis kidney is part of an expanded access program that allows patients with severe or life-threatening conditions to try experimental treatments when no alternatives exist. This approach has already shown promise: two individuals, including Tim Andrews, have successfully transitioned from pig kidneys to human transplants after prolonged periods on dialysis. These temporary solutions can significantly improve overall health and potentially buy time for patients awaiting a human transplant.
The breakthrough highlights the urgent need for more research into xenotransplantation – the field of transplanting organs from non-human animals to humans. With an aging population and growing organ shortage, the stakes are higher than ever. The FDA has given eGenesis permission to conduct a formal trial involving up to 33 patients in 2027.
The ultimate goal is to achieve long-term success with pig kidneys – specifically, getting one to function for at least a year. This would alleviate pressure on human organ supplies and pave the way for a more sustainable transplantation strategy. By acknowledging that patients’ health deteriorates while waiting for transplants, researchers are taking a crucial step towards providing timely alternatives.
This development has broader implications beyond kidney transplantation. As scientists refine xenotransplantation techniques, we may see applications in other areas of organ donation and research. This is an area of inquiry that warrants further exploration – one that could potentially disrupt the transplantation landscape in profound ways.
The success story of the woman with a pig kidney represents a critical juncture for transplantation medicine. By embracing innovation and collaboration between researchers, policymakers, and patients, we may be on the cusp of revolutionizing organ donation and transplantation as we know it. The stakes are high, but the potential rewards are undeniable – and well worth fighting for.
Reader Views
- QSQuinn S. · senior engineer
While the nine-month milestone is certainly encouraging, we need to be clear-eyed about the limitations of xenotransplantation as a solution to our organ shortage. Pig kidneys may provide a temporary reprieve, but they're not a panacea for patients waiting years on end for human transplants. To truly make a dent in the wait times, we need to focus on scaling up the number of available donors, whether through living donation or non-beating heart donation techniques. This involves streamlining consent processes, raising awareness about the organ donor registry, and incentivizing families to consider organ donation after death.
- TSThe Stack Desk · editorial
While the progress in xenotransplantation is undeniable, we shouldn't get ahead of ourselves here. The use of pig organs as a temporary solution glosses over the elephant in the room: what happens to these patients when the kidney inevitably fails or rejection sets in? Long-term success with pig kidneys requires not just technical advancements but also rigorous follow-up care and infrastructure to manage complications. We need to focus on developing robust support systems alongside this groundbreaking research, lest we create a new set of problems for our healthcare system to tackle.
- AKAsha K. · self-taught dev
While this breakthrough is undeniably promising, we shouldn't overlook the elephant in the room: xenotransplantation's long-term risks. Even with Crispr gene editing, there are still concerns about immune system reactions and the potential for disease transmission from pigs to humans. Furthermore, these temporary solutions can also be a double-edged sword - they may provide a reprieve from dialysis but could also perpetuate reliance on imperfect, life-supporting technologies rather than driving innovations in human organ transplantation itself.