Summary
A look at how Hamilton Health Sciences performed the world's first exosome therapy on a burn patient, restoring an 18-year-old's face after a severe house fire, and what it could mean for the future of burn care in Canada.
When 18-year-old Kaitlin Jeffrey was rushed to hospital after a house fire near Western University last December, she had suffered severe burns to her face, neck, hands, and arm. The standard treatment for burns this serious is skin grafting, which is effective, but it often leaves lasting scarring and a patch-like appearance, especially on the face.
Her doctor had another idea. It had never been tried on a human burn patient before, anywhere in the world.
What Happened
Dr. Marc Jeschke, a globally recognized burn surgeon and medical director of the regional burn program at Hamilton Health Sciences (HHS), was determined to restore Jeffrey’s face and neck without relying on grafts in those areas. His plan: a novel biological treatment using exosomes, tiny particles released by cells that carry signals between them, helping coordinate healing, tissue repair, and inflammation control.
Exosomes have been studied in burn research for years, and have been used in human clinical trials for other types of wound healing with promising results. But they had never been used on an actual burn patient, until now.
Jeschke sent an urgent application to Health Canada requesting permission to try exosome therapy on compassionate grounds. With no objection from Health Canada, his team at HHS became the first in the world to perform the treatment on a burn patient.
Jeffrey received two treatments several days apart, using one trillion exosomes sourced from the United States, injected directly into the injured areas.
“You Won’t Return the Skin to Normal” Unless You Try Something Different
Dr. Jeschke has explained the thinking behind the approach simply: no matter how skilled the surgeon, a skin graft can’t fully restore skin to how it looked before an injury. Exosome therapy was designed to accelerate the body’s own healing and repair process in a way that grafting cannot replicate, particularly important for visible, expressive areas like the face.
The results, according to HHS, have been “absolutely remarkable.”
“It’s honestly a miracle,” Jeffrey said of the results to her face. “Being injured in the fire has also had a deep impact on my mental health, and it’s something I’m continuing to deal with. But having such good results, particularly to my face, is helping me move forward.”
What Comes Next
This was a single, compassionate-use case, not a clinical trial and Dr. Jeschke has been clear that further research is needed before exosome therapy could become a standard treatment. But he hopes that’s exactly where this is headed: a new standard of care for burn patients in Canada and around the world.
Jeffrey and her family share that hope. “Like Dr. Jeschke, my family and I would love to see exosome therapy become the standard of care for patients like myself in Canada, so that when horrific things happen, it doesn’t change people’s lives forever,” she said.
The procedure was carried out at Hamilton General Hospital’s regional burn program, one of only two specialized burn centres in Ontario alongside research conducted at HHS’s Centre for Burn Research, where the team continues to study exosome therapy and other advances in burn care.
For a treatment with this much promise, the next step is the hardest one in medicine: more research, more patients, and time to see if a single remarkable case can become a repeatable one.
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