Scientists planning the world’s first head transplant say they’re ready to start human trials

Scientists planning the world's first head transplant say they're ready to start human trials

SCIENTISTS planning the world’s first head transplant say they are one step closer to starting human trials.
The neurosurgeons have already performed the controversial op on a corpse.
EPA Neurosurgeon Sergio Canavaro claims he’s one step closer to performing the world’s first head transplant
‘Irreversible’ spinal cord injuries cured
But now, Italian Sergio Canavaro and Xiaoping Ren, from China, claim to have repaired “irreversible” spinal cord injuries in animal experiments.
Two studies, published this week, show monkeys and dogs were able to walk again after their spinal cords were severed, and successfully repaired.
The pair said their new findings are “unprecedented” and should pave the way for the first human trials.
Canavaro told USA Today the findings “completely reject the view… that a severed spinal cord cannot be mended in any way, a mantra uncritically repeated over and over”.
Human trials ‘next step’
Xiaoping said the breakthrough is proof that human trials should be given the go-ahead.
The studies, the findings of which are published in the journal Surgical Neurology International, took place at Harbin Medical University in China.
In 2015, Prof Canavaro announced he wanted to transplant the head of a paralysed man, Valery Spiridonov, onto the body of a dead donor.
The procedure, he explained, would involve cooling the bodies to a state of deep hypothermia, before severing the spinal columns using a diamond blade.
The next step would be to reattach the blood vessels and nerves, connecting those from Valery’s head to those of the dead donor’s body.

HOW HE PLANS TO TRANSPLANT A HUMAN HEADDr Sergio Canavero has previously explained how the transplant procedure would work.
The 36-hour operation involves decapitating both donor and patient.
The Italian neurosurgeon will then use a glue like substance named polyethylene gylcol to fuse the head to the donor body.
After the spinal cords are fused the muscles and circulatory systems will be stitched up before the body is placed into month long coma to recover (when it is done on a live person).
Canavero believes the procedure could revolutionise medicine, giving paralysed people the ability to walk again and people to transport their ever older heads onto younger bodies.

Canavaro said: “For too long nature has dictated her rules to us.
“We’re born, we grow, we age and we die.
“We have entered an age where we will take our destiny back in our hands. It will change everything.
“The first human transplant on human cadavers has been done.
“Everyone said it was impossible, but the surgery was successful.
“A full head swap between brain dead organ donors in the next stage.
“And that is the final step for the formal head transplant for a medical condition, which is imminent.”
‘Gory, Frankenstein’ op is ‘criminal’
Canavaro’s plans to perform the first human op on Valery was dealt a blow, when the 33-year-old Russian announced last year he was no longer on board.
He dropped out after his wife gave birth to the couple’s “miracle” son.
And Canavaro and Ren’s work has been met with harsh criticism by the scientific and medical community.
Attempting such a thing would be nothing short of criminal… I would really like the general public to be reassured that neither I nor any of my colleagues think that beheading people for extremely long-shot experiments is acceptableProfessor Jan Schnupp, from the University of Oxford
Professor Jan Schnupp, from the University of Oxford, said the procedure conjures up “gory, Frankenstein imagery”, and described the proposals as “disturbing”.
“The chances that a person who has their head transplanted onto another body will be able to gain any control over it, or benefit from that grafted body are completely negligible,” he added.
“The expected therapeutic value for the patient would be minimal, while the risks of graft rejection-related side effects, or simply death as a consequence of a mishap during the operation, are huge.
“Attempting such a thing given the current state of the art would be nothing short of criminal.
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“As a neuroscientist, I would really like the general public to be reassured that neither I nor any of my colleagues think that beheading people for extremely long-shot experiments is acceptable.”
Dr James Fildes, of the University of Manchester, said the idea is “morally wrong”, if the scientists cannot first prove the procedure improves the life of a large animal.
Professor Catherina Becker, from the University of Edinburgh, said: “Actual success of a head transplant must be measured by long term survival of head and body with the head controlling motor function.
“This can obviously not be assessed in a corpse and for all we know, would also not occur in a living human.”
Getty – Contributor Valery Spiridonov is the 30-year-old terminally ill man who suffers from Werdnig-Hoffmann disease had volunteered to be the first human to have the controversial procedure – but pulled out last year
In previous experiment he Professor Canavero has attached the head of a rat to another rat
SCMP/Canavero Canavaro is working with Xiaoping Ren at Harbin Medical University in China

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