A groundbreaking achievement has been reached as a gene-edited pig kidney has successfully functioned in a human patient for over 285 days, offering hope to thousands on transplant waiting lists.

  • A patient has lived with a gene-edited pig kidney for 285 days without dialysis.
  • eGenesis utilized CRISPR technology to minimize organ rejection risks.
  • This milestone surpasses the previous record of 271 days held by Tim Andrews.

In a historic leap for regenerative medicine, a woman has successfully lived with a transplanted pig kidney for more than nine months. The organ, which has been functioning for 285 days, marks a significant milestone in the quest to solve the global organ shortage crisis. The procedure was conducted at Massachusetts General Hospital.

The biotech company eGenesis, based in Cambridge, Massachusetts, was at the forefront of this achievement. Using advanced CRISPR gene editing, scientists modified the pig organ to make it compatible with the human immune system, specifically targeting the removal of pig genes that trigger rejection and reducing the risk of porcine viruses.

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Why This Matters

BozokMedia analysis shows that the gap between organ demand and supply is widening dangerously. In the United States alone, over 95,000 people are currently waiting for a kidney transplant. For many, the interim solution is dialysis, a grueling process that can damage blood vessels and degrade overall health over time. Gene-edited animal organs could serve as a vital bridge until a human donor becomes available.

'What we saw was a radical improvement in overall health while on the pig kidney versus staying on chronic dialysis.' - Mike Curtis, CEO of eGenesis

This patient is the fifth individual to receive an eGenesis kidney through the FDA's 'expanded access' pathway, designed for patients with life-threatening conditions. The success follows the case of Tim Andrews, who previously held the record of 271 days. While Andrews' kidney eventually failed due to thrombotic microangiopathy (small blood clots), the insights gained from his case are being used to refine immunosuppressant drug protocols.

Looking ahead, the FDA has authorized eGenesis to move toward formal clinical trials involving up to 33 patients. While these large-scale trials are slated for 2027, the company remains committed to expanding access and aims to reach the next major milestone: a pig kidney functioning for a full year.

Did You Know?: Pig organs are biologically similar in size and physiological function to human organs, making them the primary candidate for xenotransplantation research.

Frequently Asked Questions

1. What is CRISPR and how is it used here?
CRISPR is a gene-editing tool that allows scientists to precisely alter DNA sequences to prevent the human body from attacking the transplanted animal organ.

2. How many people are waiting for kidney transplants in the US?
Currently, more than 95,000 people are on the waiting list for a kidney transplant in the United States.