A new procedure called desensitization allows doctors to alter patient's immune systems and transplant kidneys from living donors previously considered incompatible. Experts say that this method could revolutionize kidney transplants and help save millions of people.
Patients who received such kidneys after desensitization in a large study were found to live for eight years more than those who were on dialysis or those on the waiting list.
‘The procedure called desensitization altered patients’ immune systems to allow them to accept kidneys from incompatible donors.’
AdvertisementThe method, known as desensitization, "has the potential to save many lives," said Dr. Jeffery Berns, a kidney specialist at the University of Pennsylvania's Perelman School of Medicine and the president of the National Kidney Foundation .
"We used to say if you had a compatible donor, you could do a transplant. Now you can say, if you have an incompatible donor, we still can make that transplant happen," said senior study author Dr. Dorry Segev of John Hopkins University.
"That's very exciting to those on the waiting list."
The chances of rejection remain higher with the "incompatible" kidneys, but the research shows that getting a new organ quickly outweighs the benefits of spending years on dialysis or waiting for a compatible one.
Desensitization is a procedure that filters the antibodies out of the patient's blood, and then offers an infusion of other antibodies for protective action, while the immune system is regenerating its own antibodies.
Drugs are provided to destroy white blood cells that prompt the antibodies to attack the kidney.
The desensitization procedure can cost up to $20,000 for the procedure and thousands more for the drugs. However, it is cost-effective when compared to $100,000 a year for dialysis.
The study is published in the New England Journal of Medicine.
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