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[New Frontiers in Alzheimer’s Treatment: Understanding Leqembi and Kisunla]-[What It's Like Taking Alzheimer's Drugs]

Short Wave · B1 · 2025-03-03

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📋 Summary

Navigating the New Era of Alzheimer’s Disease Treatment

Recent medical advancements have introduced two FDA-approved drugs, Leqembi (lecanemab) and Kisunla (donanemab), offering new, albeit cautious, hope for patients in the early stages of Alzheimer’s disease. NPR’s John Hamilton explores the clinical reality, personal stakes, and the evolving protocols surrounding these treatments.

The Mechanism and Clinical Reality

Both drugs function by targeting and removing beta amyloid, the protein responsible for forming the "sticky plaques" that accumulate in the brains of Alzheimer’s patients. While these drugs are highly effective at clearing these plaques, their clinical impact is described as a "modest benefit." Studies indicate that these treatments reduce the rate of cognitive decline by approximately a quarter to a third. As noted by experts, they are not cures but rather disease-modifying agents intended to slow progression before memory and cognitive functions deteriorate significantly.

Distinct Protocols: Leqembi vs. Kisunla

While both treatments are administered via intravenous infusion, their management strategies differ:

  • Leqembi (Eisai/Biogen): Approved in 2023, this treatment typically requires infusions twice a month for the first 18 months, with the possibility of transitioning to a monthly schedule thereafter.
  • Kisunla (Eli Lilly): Approved in 2024, this drug allows for a more flexible, goal-oriented approach. Patients receive monthly infusions until the amyloid plaques in the brain are reduced to normal levels—a process that usually takes 12 to 18 months—at which point treatment can be paused.

The Risks and Ethical Considerations

A significant concern regarding both medications is the potential for serious side effects, specifically "swelling and bleeding in the brain." Although these occurrences are relatively rare and often asymptomatic, they carry severe health risks, including fatalities. Despite these dangers, many patients choose to proceed, driven by the perspective that Alzheimer’s is a "fatal disease" that many fear more than cancer, making the pursuit of any potential intervention a worthwhile risk.

Patient Perspectives: Sue Bell and Mayra Solano-Garcia

The human impact of these drugs is illustrated through two distinct journeys:

  • Sue Bell: An early participant in the Leqembi clinical trial, Sue’s story reflects the limitations of current medicine. While she initially enjoyed improved quality of life, allowing her to travel, her condition eventually progressed to a point where treatment was no longer effective. Her husband, Ken, notes that while the drug provided a "stop-gap measure," her memory continues to wane, highlighting the reality that these drugs cannot reverse established damage.
  • Mayra Solano-Garcia: Living with Alzheimer’s for over a decade, Solano-Garcia has been treated with Kisunla. While the drug has not restored her ability to work or her command of the piano, she reports that her decline has not progressed "very quickly" over the four years of treatment. She continues to find purpose by volunteering at a memory care unit, where she sings for residents, acknowledging the humbling reality that she sees her own future in those at more advanced stages of the disease.

Conclusion

Dr. Lon Schneider and other neurologists emphasize that while these drugs represent a "meaningful change" in Alzheimer’s treatment, they are far from a panacea. The medical community is shifting toward more personalized approaches, such as stopping treatment once amyloid levels normalize. Ultimately, these therapies offer a window of time and hope, but they underscore the critical need for continued research into treatments that can eventually reverse symptoms or provide a complete cure.

🎯Key Sentences

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I now know.
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some days I'm better than others
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I didn't remember all that.
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That's part of the problem.
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That's how it really all started.
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📝Key Phrases

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check in with
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clear out
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at the very start
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take a risk
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at best
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📖 Transcript

This message comes from Greenlight, parents rank financial literacy as the number one most difficult life skill to teach. With Greenlight, the debit card and money app for families kids learn to earn save and spend wisely Get started risk -free at greenlight .com slash NPR.
You're listening to shortwave from NPR.
Hey shortwaivers, Regina Barber here, and today on the show, we're bringing you some Alzheimer's reporting from NPR's brain guy, John Hamilton.
Hey John. Hello Gina.
Okay. So John, I hear you got a couple stories for us.
That's right. As you may know, there are now two drugs approved by the US Fluid and Drug Administration to treat Alzheimer's disease.

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