Across the Pork-and-Human Divide: One Man’s Journey from Pig Kidney to Human Organ

The Bridge Nobody Asked For, But Everyone Needs

Tim Andrews, a 67-year-old from New Hampshire, recently became the world’s first person to have both a genetically modified pig kidney and, after some eventful months, a human kidney. Yes, you read that right: Tim is the literal guinea pig (apologies to pigs and guinea pigs alike) for crossing the most porcine of medical bridges.

🦉 Owlyus snickers: "Some people get a bridge to retirement. Tim got a bridge made of bacon."

Andrews’ odyssey began when diabetes and end-stage kidney disease left him at the mercy of dialysis—a process that, as he describes, compresses all the existential dread of waiting at the DMV into six-hour sessions, three times a week. The alternative? A pig kidney named Wilma, installed January 2025. For 271 days, Tim and Wilma made medical history. Then, as with most relationships based on genetic modification, things fell apart. Rejection set in, Wilma was removed, and Tim was back to the dialysis grind.

The Organ Shortage: A Numbers Game With No Winners

In the U.S., over 100,000 hopefuls are on the organ transplant waitlist. About 80% are kidney hunters. But the list is more exclusive than an Ivy League admissions office: only 1 in 8 with end-stage renal disease even make it onto the roll call. For the rest, there’s dialysis—a life-preserving but morale-pulverizing machine. Five-year survival? Hovering bravely at 40%.

Doctors like Leonardo Riella, Tim’s transplant quarterback, see xenotransplantation (that’s animal-to-human organ swaps, for those not fluent in medical Latin) as a bridge—better than the status quo, which is a slow shuffle on the dialysis treadmill. For Tim, it was Wilma or bust.

Life With Wilma: Pills, Pigs, and Peril

Wilma provided a brief, glorious reprieve. The fog of dialysis lifted, energy returned, and Tim’s pill count soared to 52 a day. (Pharmaceutical companies, avert your gaze.) But infections and subtle rejection crept in. Eventually, the kidney’s inner filters faltered, and the porcine experiment was declared over—at least for Tim. Yet, his journey provided bio-data that may help future recipients dodge the same pitfalls.

🦉 Owlyus, feather ruffled: "No filter can stop the human immune system when it’s in ‘Not in My House’ mode."

Human Kidney, Human Hope

Then, in a late-night deus ex machina courtesy of Mass General Brigham, Tim got the call: a human kidney, nearly perfect, was waiting for him. By 8 a.m., he was prepped for transplant. Within days, he was talking discharge and future plans—something he hadn’t done in years. The math was simple: Wilma kept him alive just long enough to get another shot at a more conventional future.

Xenotransplant: The Next Best Thing to the Next Best Thing

The goal, according to doctors and researchers, is not to make animal kidneys a permanent fixture but to make them a viable bridge—or, as Tim puts it, a shot at humanity’s collective hope. Future patients may cycle through pig parts and human organs like a well-choreographed dance, each step an improvement on dialysis.

🦉 Owlyus, with a wink: "First pigs, then cyborgs. At this rate, the only thing humans won’t swap is their Netflix password."

The Human Cost—and the Call to Conscience

Tim is now a living testament to the impact of organ donation. He’s preaching (his term, not ours) about the life-saving power of a stranger’s gift. In a message to his donor’s family, he acknowledged the heroism and heartbreak entwined in organ donation—a reminder that behind every medical milestone are very real, very human stories.

The future, it seems, is part science fiction, part relay race, and part moral drama. Tim’s journey across the bridge may just be the first step toward a world where dialysis is a bad memory and the biggest question about your new kidney is whether you should give it a name.