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This article reads like a marketing flyer or press release, but it seems to be a novel treatment so maybe worth following to see if they get a more significant sample size studied:
Researchers have achieved over 90 percent reduction in seizures experienced by two epilepsy patients using a brain injection.
Each patient received a dose of NRTX-1001, an experimental cell therapy treatment developed by researchers at San Francisco-based biotech company Neurona Therapeutics.
Before the therapy, the patients had 32 and 14 seizures on average per month, respectively. No anti-epileptic medicines worked for them; highly invasive surgical treatment was their last hope.
“Both patients entered the clinical trial with significant seizure activity, impaired cognition, and suboptimal quality of life. They were candidates for lobectomy or ablation surgery to remove the epileptic seizure-generating temporal lobe, albeit with an associated risk of causing further, irreversible cognitive deficits. ...
An imbalance between excitatory and inhibitory neurons can result in seizures, memory loss, and other brain disorders, including epilepsy. To restore this balance, the researchers developed NRTX-1001.
This brain injection contains a high-concentration dose of lab-grown inhibitory neurons developed from human embryonic stem cells. It brings down the overall action potential and eventually prevents seizures.
NRTX-1001 cell therapy reduces seizures by almost 100 percent in two epilepsy patients. Here is how the treatment work and why it's better than surgery.