December 1, 2023

U.S. federal well being officers granted full approval to an Alzheimer’s drug this week, marking a significant milestone within the therapy of the progressive illness.

The approval by the Meals and Drug Administration means the drug, which matches by the model identify Leqembi and is run each two weeks by infusion, will now be extensively accessible and coated by Medicare. 

To obtain protection, sufferers will must be enrolled in Medicare and be identified with delicate cognitive impairment or delicate Alzheimer’s illness dementia. Sufferers want to point out proof they’ve beta-amyloid plaque on the mind, and they’re going to want “a doctor who participates in a qualifying registry with an acceptable medical staff and follow-up care,” the Facilities for Medicare & Medicaid Companies mentioned.

Japanese drugmaker Eisai first acquired conditional approval from the FDA in January based mostly on early outcomes suggesting Leqembi labored by clearing a sticky mind plaque linked to the illness. Eisai priced the therapy at $26,500 yearly per affected person.


The Alzheimer’s drug Leqembi, which was granted full approval from the FDA (Eisai Inc.)

Based on the part three medical trial, the drug slowed the speed of cognitive decline in sufferers by 27% when in comparison with a placebo after 18 months. 

Based on the Alzheimer’s Affiliation, an estimated 6.7 million People who’re at the very least 65 years previous live with Alzheimer’s in 2023. Nevertheless, that determine is projected to rise to almost 13 million by 2050. The illness additionally “kills greater than breast most cancers and prostate most cancers mixed,” the affiliation mentioned. 

What it’s best to learn about Leqembi: 

Dr. Sharon Cohen, a behavioral neurologist and medical trial investigator for the Readability AD research, advised FOX Enterprise that is the primary time the FDA has permitted a drug that has been proven to “decelerate the medical facets of Alzheimer’s illness, that means folks will lose reminiscence at a slower price and lose their purposeful talents at a slower price.” 

Cohen mentioned there are medicine which have been capable of clear amyloid plaque that types within the mind, which is the sticky protein that could be very damaging in Alzheimer’s illness. However this drug goes a step additional. 

“It would not simply clear plaque on a scan, it slows down the illness so that individuals can keep at delicate phases longer. That is why it is a massive deal,” she mentioned. 

“The illness is not only the tip stage dementia the place folks cannot do something. There are folks with the illness who’ve delicate signs, who’re nonetheless functioning properly.


“In the event you can decelerate the illness in order that they keep at a purposeful state longer, that is an enormous win.” 

Who ought to take the drug? 

Good candidates for the drug are sufferers who’re in a gentle symptomatic stage of Alzheimer’s, Cohen mentioned. 

This refers to sufferers who’ve delicate cognitive impairment however should still be functioning properly or sufferers who’ve delicate dementia however are nonetheless residing of their group and who’re nonetheless capable of take part in household life. 

“That is the stage of illness that Leqembi has been examined in and proven to be efficient,” Cohen mentioned. 

Patient gets PET scan

Jay Reinstein, who suffers from Alzheimer’s, prepares to obtain a PET scan at MedStar Georgetown College Hospital in Washington, D.C., June 20, 2023.  (Michael Robinson Chávez/The Washington Submit through Getty Pictures / Getty Pictures)

She suggests any people who’ve early signs of Alzheimer’s illness converse to their docs about whether or not the therapy is true for them.

Are there dangers?

Cohen cautioned that there will likely be “some conditions the place this therapy may pose some dangers.” 

Earlier than anybody takes the drug, docs would want to know that the person can bear MRI scans of the mind to verify it’s a protected therapy for that particular person in addition to routine monitoring “to look out for a number of the identified potential unintended effects of the drug.” 


One aspect impact is infusion-related reactions, that are usually delicate to average, Cohen mentioned. The drug is run each two weeks through intravenous infusion.

For the primary intravenous infusion, a affected person might need shaking, muscle aches or a headache throughout the first 24 hours. This often occurs solely with the primary infusion, and these unintended effects are handled with anti-inflammatories similar to Tylenol, she mentioned. 


A U.S. Meals and Drug Administration signal (Sarah Silbiger/Getty Pictures / Getty Pictures)

“It usually resolves readily and would not recur,” Cohen mentioned.

The opposite group of unintended effects has to do with amyloid-related imaging abnormality (ARIA) and is a possible aspect impact of antibodies that clear amyloid from the mind. 

“ARIA is detected on mind imaging, particularly on MRI scans. It may possibly take the type of swelling within the mind or small spots of bleeding,” Cohen mentioned. 

With the drug, “ARIA usually happens with none signs and resolves spontaneously,” she added. “When signs do happen, they’re usually delicate to average and may embody transient headache, visible disturbance or unsteady gait. Hardly ever, there may be extreme signs and, subsequently, cautious monitoring for ARIA is essential.” 

Get your reminiscence checked out

Cohen is encouraging anybody who’s fearful about reminiscence and has been avoiding getting it checked out to take action. 


“There’s purpose for hope now,” she mentioned.

The Related Press contributed to this report.