First Clinical Trials of Gene-Edited Pig Kidney Transplants Underway

The Organ Shortage Crisis

• 😥 Thousands of people die annually while waiting for organ transplants, with a significant portion of those needing kidneys.
• 💡 Xenotransplantation, using animal organs, is being explored as a potential solution to the growing organ shortage.

A Brief History of Xenotransplantation

• 🩺 The first human-to-human kidney transplant occurred in 1954, marking a new era in medicine.
• 🐒 Early attempts in the 1960s using chimpanzee and baboon organs, like Baby Fay's baboon heart transplant in 1984, were unsuccessful and led to a ban by the FDA in 1999.
• 🧬 Research shifted to pigs, with scientists learning to edit their genes to make organs more compatible with humans.

Key Xenotransplantation Experiments

• 🧠 In 2021, gene-edited pig organs were placed into brain-dead individuals to test for immune rejection and functionality.
• ❤️ In 2022, David Bennett received a gene-edited pig heart and survived for two months; Lawrence Faucet received a similar transplant in 2023 and lived for six weeks.

Pig Kidney Transplants in 2024 and Beyond

• 🚀 2024 saw the first pig kidney transplants in three recipients: Rick Slayman, Lisa Pasano, and Tana Looney.
• 📈 While Slayman and Pasano died soon after their transplants, Looney's kidney lasted a record 130 days before removal, marking a significant improvement.
• ✅ In early 2025, Kim Andrews and Bill Stewart also received pig kidney transplants, with doctors noting important lessons learned from each case.