Can Talapia Skin Heal Wounds 3X Quicker?

n this historic city by the sea in northeast Brazil, burn patients look as if they’ve emerged from the waves. They are covered in fish skin — specifically strips of sterilized tilapia.

Doctors here are testing the skin of the popular fish as a bandage for second- and third-degree burns. The innovation arose from an unmet need. Animal skin has long been used in the treatment of burns in developed countries. But Brazil lacks the human skin, pig skin, and artificial alternatives that are widely available in the US.

The three functional skin banks in Brazil can meet only 1 percent of the national demand, said Dr. Edmar Maciel, a plastic surgeon and burn specialist leading the clinical trials with tilapia skin.

As a result, public health patients in Brazil are normally bandaged with gauze and silver sulfadiazine cream.

“It’s a burn cream because there’s silver in it, so it prevents the burns from being infected,” said Dr. Jeanne Lee, interim burn director at the the regional burn center at the University of California at San Diego. “But it doesn’t help in terms of debriding a burn or necessarily helping it heal.”

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