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CAR-T is not a drug; it’s a genetically modified cell therapy.
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One of the ways T cells unleash havoc is by spraying out pro-inflammatory molecules, called cytokines, that recruit other immune cells to join the fray. If the CAR-T cells are too potent, or if there are too many of them, the patient is swamped in cytokines, resulting in a severe inflammatory condition called cytokine release syndrome (CRS). In the successful Novartis trial, nearly half of the patients experienced this side effect, though they all recovered. Most CRS sufferers experience a high fever that recedes in the two weeks following treatment. But in the worst cases of CRS, which get dubbed cytokine storm, that fever can lead to a fatal swelling of the brain.
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The excitement around CAR-T may not yet be at its crescendo. As of this writing, nearly 400 CAR-T clinical trials are registered with the FDA, some even targeting brain tumors. But CAR-T is not some miracle cure. CRS is a potentially deadly side effect that many patients will suffer.
The GLP aggregated and excerpted this blog/article to reflect the diversity of news, opinion, and analysis. Read full, original post: CAR-T could revolutionize cancer treatment. It can also be fatal
