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Nasal Spray developed to treat traumatic brain injury
A mouse model of TBI, researchers found the spray could reduce damage to the central nervous system and behavioral deficits, suggesting a potential therapeutic approach for TBI and other acute forms of brain injury. The results are published in Nature Neuroscience.
“Traumatic brain injury is a leading cause of death and disability — including cognitive decline — and chronic inflammation is one of the key reasons,” said lead author Saef Izzy, MD, FNCS, FAAN, a neurologist and head of the Immunology of Brain Injury Program at Brigham and Women’s Hospital.
Currently, there is no treatment to prevent the long-term effects of traumatic brain injury.
The team examines the monoclonal antibody Foralumab, made by Tiziana, which has been tested in clinical trials for patients with multiple sclerosis, Alzheimer’s disease, and other conditions.
Multiple experiments were done in mouse models with moderate-to-severe traumatic brain injury to explore the communication between regulatory cells induced by the nasal treatment and the microglial immune cells in the brain. Over time, researchers were able to identify how they modulate immune response.
“Modulating the neuroinflammatory response correlated with improved neurological outcomes, including less anxiety, cognitive decline, and improved motor skills,” Izzy said.
In addition to assessing the effects of the treatment, the research team was able to learn about immune response over time and compare the immune responses and effects of TBI in the mice.
The next step in the research is to translate the findings from preclinical models to human patients.
“Patients with traumatic brain injury still don’t have an effective therapeutic to improve their outcomes, so this is a very promising and exciting time to move forward with something that’s backed up with solid science and get it to patients’ bedsides,” said Izzy.
Once in the clinical setting, Weiner said the hope is this treatment could be used on a variety of traumatic brain injury patients, including football players with repetitive concussions.
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