ADHD drug could slow Alzheimer progression - study
The study’s authors believe that the drug can help to increase levels of norepinephrine in the brain, and that this may slow the progression of the disease.
Neurons in the brain, (photo credit: PIXABAY)
ADHD drug atomoxetine may help to slow the progression of Alzheimer’s disease,
according to a new study by researchers at the Emory Brine Health
Center.
Alzheimer's occurs when neurons in the brain become injured and
die and connections between neural networks break down. A particular
protein, known as tau, contributes to the disease by causing
neurofibrillary tangles.
In this peer-reviewed study, 39 patients with mild cognitive impairment
were given atomoxetine over the course of 6 months. The drug was shown
to reduce inflammation as well as levels of tau in cerebrospinal fluid.
The study’s authors believe that atomoxetine can help to increase levels
of norepinephrine in the brain and that this may slow the progression
of the disease. Atomoxetine has already been in use as an FDA-approved
treatment for ADHD in children for almost 20 years.
Previous
studies involving mice and rats with Alzheimer’s symptoms have
indicated that elevated levels of norepinephrine can have a positive
effect on cognitive functions.
The study’s authors say more research is needed, but they’re excited for the potential of where their findings could lead.
PET
scans showing the differences between a healthy older adult's brain and
the brain of an older adult afflicted with Alzheimer's Disease (credit:
Wikimedia Commons)
Allan
Levey, the study’s lead author explained in a press release "We are
encouraged by the results of the exam. The treatment is safe,
well-tolerated in people with mild cognitive impairment, and regulated
the brain neurotransmitter norepinephrine as we hypothesized. In
addition, our exploratory studies include imaging and spinal fluid.
Promising results for biomarkers. Longer treatment period."
Funding for the study was provided by the Cox and Kenan Family Foundation and the Alzheimer’s Disease Drug Discovery Foundation.
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