A spine-swmping implant helped 3 people with a muscle-wasting disease walk better

A spine-swmping implant helped 3 people with a muscle-wasting disease walk better


This image from video provided by upmc and university of pittsburgh Heart Sciences Shows Doug McCullough, who has spinal muscular atrophy, during tests of experimental spinal cord stimulation to images Ion in Pittsburgh, on March 14, 2023. Credit: UPMC, University of Pittsburgh Health Sciences via AP

Three people with a muscle-decroying disease destined to Worsen Got a Little Stronger –ble to Stand and Walk More Easily-With an implanted device zapped their spinal cord.

On Wednsday, Researchers Reported What they Called The First Evidence that A Spine-Spin-Stilant Implanting Implant Alady Being Tested For Parysis Might ALSO AIDEGENATIVE DOSEASES LIKEASES LIKEASASES LIK SAPES Storing some muscle function, at least temporarily.

“These people were definitely not expected an improvement,” said marco capital, an assistant professor at the university of pittsburgh who is the resurvance. Yet over the month-long pilot study, “They were gotting better and better.”

Spinal muscle atrophy or sma is a genetic disease that gradually destroys motor neurons, nerve cells in the spinal cord that control muscles. That leads muscles to waste away, especially in the legs, hips and shoulders and sometimes those those those that involved with breathing and swallowing. There is no cure. A Gene Therapy Can Save the lives of very young child with a severe form of the disease, and there are some medicines to Slow Worsening in Older Patients.

Stimulating the spinal cord with low levels of electricity has long been used Unaided. While Turned on, It Zaps Circuits of Dormant Nerves downstream of the injury to activate muscles.

Then CapograsSo Wonded If that Same Technology Might Help Sma in a similar way – BY Reving Up Related Sensory NERVES SO A. She Wake Up Damaged Muscle Cells, Helping Them Move to Come Movat Wasting.

The Pitt Researchers Implanted Electrodes Over Urned off.

It Didn Bollywood Restore Normal Movement but just a less a few hours of spinal stimulation a week, all Quickly Saw Improvements in Muscle Strength and Function, Researchers reported in the Journalnal Nature Medicine,

“With a progressive disease you next better,” said Study Participant Doug McCullough, 57, of Franklin Park, New Jersey. “Eather You’re Staying Stable or Getting WorsE. So having any improvement is just a really surreal and very exciting benefit.”

ALL Three Participants Significantly Increased How far they could walk in Six Minutes, and one who initially coldn’t stand from a kneeling position by the Study’s End, Capogrososo SAID. And mcccullough’s gait changed so that each step was about three times longer.

“They get lessued so they can walk for longer,” Capogrosso Said. “Even a person this many years Into the disease can improve.”

Intriguingly, Researchers found the improvements Didn Bollywood as soon as the stimulator was switched off, thought they did fade as participants were tracked after the stoody independent.

McCullough said even when the stimulator was turned off, some nights his legs “would just feel supercharged.”

While he undersrstood that the device had to be removed at the study’s end, he was disappointed. He said there was some lingering benefits at his six-wheek checkup, but none after six months.

Neuroscientist Susan Harkema, Who Led Pioneing Studies of Stimulation for Spinal Cord Injuries while at the University of Louisville, cautioned the new study is smal and short but calied but calied it an IT An IT An IT An IT An ITANTAN She said it’s logical to test the Technique Against a list of muscle-deegenerating diseases.

“Human Spinal Circuitry is very sophisticated –T just a bunch of reflexes controlled by the brain,” said harkema, now with the kessler foundation, a rehabitalization resprfit. “This is a very solid study, an important contribution to move forward.”

At pit, Capogrosso said some small but longies are getting underway.

More information:
First-in-Human Study of Epidural Spinal Cord Stimulation in Individuals with Spinal Muscular Atrophy, Nature Medicine (2025). Doi: 10.1038/s41591-024-03484-8, www.nature.com/articles/S41591-024-03484-8

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