June is Alzheimer’s and Mind Consciousness Month.
Promising analysis alert!
For those who watch TV or any display in any respect, you’ve in all probability heard of glucagon-like peptide-1 (GLP-1) receptor agonists, or GLP-1 medicine. The favored prescription weight-loss medicines assist handle blood sugar and scale back urge for food in folks residing with Kind 2 diabetes and weight problems.
GLP-1 medicine have additionally been related to decreased danger for cardiovascular occasions, kidney occasions and kidney failure. Now, researchers are hoping so as to add Alzheimer’s to the listing.
A current examine discovered that the GLP-1 drug semaglutide (which you’ll know as Ozempic and Wegovy), could gradual the event of Alzheimer’s and even forestall the situation in folks with Kind 2 diabetes.
“That’s a serious discovering, particularly because it was based mostly on real-world well being data from over 1,000,000 folks,” stated Babak Tousi, M.D., director of medical trials at Cleveland Clinic’s Lou Ruvo Middle for Mind Well being in Cleveland, Ohio.
The examine discovered folks with Kind 2 diabetes who took semaglutide had been considerably much less doubtless — 40% to 70% — to be recognized with Alzheimer’s inside three years in comparison with folks taking different diabetes medicines, together with different GLP-1 medicine.
“It means that semaglutide could also be doing extra than simply controlling blood sugar — it could offer actual mind safety,” Tousi stated.
Learn: The Skinny on Microdosing GLP-1 Medicine >>
How semaglutide impacts mind well being
Analysis is ongoing concerning the impact of semaglutide on the mind — and most research contain animals thus far — however a rising physique of analysis reveals that semaglutide could profit cognitive perform in folks with diabetes and/or weight problems via improved reminiscence, studying and general psychological efficiency.
One systematic evaluation discovered that semaglutide protected the blood-brain barrier, which is liable for stopping toxins, pathogens (substances that trigger illness) and different dangerous substances from leaking into the mind.
“Semaglutide could calm mind irritation, particularly within the mind’s immune cells referred to as microglia, and assist shield the blood-brain barrier — which acts like a safety guard for the mind,” Tousi stated. “It additionally seems to enhance blood move, scale back oxidative stress — a sort of harm that builds up within the mind — and help mind cell perform. All of those elements play a job in Alzheimer’s illness.”
One other examine discovered that semaglutide reversed the indicators of getting old in key mind cells that assist hold our mind clear, protected and balanced. “Age can result in these cells appearing up, inflicting irritation within the mind and confusion. Taking semaglutide helped these cells behave like they’d in youthful brains,” Tousi stated.
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Tousi additionally famous that the examine discovered semaglutide prevented the formation of a sort of astrocyte — a mind cell that turns poisonous underneath stress — that worsens irritation and damages mind tissue, a course of additionally seen in Alzheimer’s illness.
That is just like the findings of yet another examine, which famous that semaglutide improved cognitive capabilities in mice by performing a number of capabilities, one in every of which was lowering the quantity of amyloid plaques within the mind. Amyloid plaques are thought to play a job in Alzheimer’s, and this analysis means that semaglutide could not solely have a job in Alzheimer’s prevention, however may enhance Alzheimer’s in individuals who have already got it.
Semaglutide for folks in danger for Alzheimer’s
Kind 2 diabetes and weight problems are each identified danger elements for Alzheimer’s illness. However given the current findings in human research, semaglutide could also be useful for anybody in danger for Alzheimer’s illness.
“As a result of semaglutide seems to assist scale back irritation and shield the mind, there’s rising curiosity in whether or not it may additionally profit folks with out diabetes, particularly these with early reminiscence considerations or sturdy household historical past of dementia,” Tousi stated. “This might sign a future the place a standard diabetes drug performs an enormous position in mind well being and even dementia prevention.”
That is particularly necessary to notice for ladies and other people assigned feminine at start (AFAB) since Alzheimer’s is extra frequent in ladies than males. About 1 in 5 ladies will likely be recognized with Alzheimer’s illness of their lifetime in comparison with 1 in 10 males.
There’s at present no remedy for Alzheimer’s, so developments in remedy choices to handle and forestall the illness are essential.
Promising new analysis on the horizon
There’s hope on the horizon concerning semaglutide’s position in stopping or treating Alzheimer’s illness. The outcomes of the primary large-scale human examine exhibiting whether or not semaglutide can gradual Alzheimer’s in folks with early phases of illness — even in folks with out Kind 2 diabetes — will likely be launched in September.
Learn: Ought to You Get a Blood Check for Alzheimer’s? >>
Tousi stated the examine features a sub-study the place spinal fluid is being analyzed to assist uncover how the drug works within the mind. The examine may present clues about semaglutide’s actual mechanism and information future remedies.
“It’s additionally price noting Alzheimer’s impacts ladies greater than males, and early information hints that semaglutide’s mind advantages could also be even stronger in ladies,” Tousi stated. “These trials ought to assist make clear that.”
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