Medical Disclaimer: This site provides informational comparisons only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or pharmacist before making medication decisions.
Compare Donanemab (Kisunla) and Lecanemab (Leqembi) — clinical data, side effects, and patient experiences.
Kisunla · Anti-Amyloid Antibody
How it works
Monoclonal antibody targeting N-terminal pyroglutamate of amyloid-beta, clearing existing amyloid plaques from the brain.
Approved for
Leqembi · Anti-Amyloid Antibody
How it works
Humanized monoclonal antibody targeting soluble amyloid-beta protofibrils, reducing amyloid plaque burden in early Alzheimer's.
Approved for
Estimated frequency (%) based on clinical trial data
Based on 17 Reddit discussions
Donanemab
63%
positive
8 threads
Lecanemab
33%
positive
9 threads
% of discussions mentioning each side effect
8 Reddit threads analysed for Donanemab
Overall Sentiment
Slightly positive
Comparison Threads
0
Avg Post Score
706 upvotes
Most discussed side effects in community
All opinions expressed in this post are our own. The statements do not constitute financial or medical advice, and please do your own DD. This post will be updated every three months with position performance information and updated due diligence. Please follow! This post shall remain exclusive to W
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* Cassava Sciences (SAVA) may have the first truly efficacious drug for Alzheimer’s Disease (AD) in Simufilam, although currently their science, clinical results, and integrity are under constant attack. * Despite the best efforts of short sellers to discredit the company, we believe the FDA will no
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We just got back from speaking to a Neurologist at UCSF to start my mom on Donanemab and I just wanted to share a few key points for anyone considering transfusion therapies. There’s been a lot of misinformation in regards to Amyloid plaques and the recent NYT article doesn’t help. First and foremo
hi everyone, I'm looking to understand what are the screening and treatment options for my mother. She has been showing signs of neurodegeneration increasingly and I look to convince her to seek early screening and detection, and to reassure her I would like to be able to explain her options to her.
Has anyone under gone Donanemab or Lecanemab treatments? My mom is 77 and suffering from mild/moderate cognitive impairment. She was diagnosed this year with Alzheimer's based on a PET scan and the ptau blood test. Her neurologist is recommending Donanemab infusions. I'm curious if anyone has underg
Hello, we recently found out my mom would be able to take Anti-Amyloid Therapy medication. We originally were told she was too far along by the people who diagnosed her with early onset, so that was surprising news to hear! I’ve been reading over pamphlets my step dad sent and I was just curious if
Community discussions are sourced from public Reddit threads. Content reflects individual opinions and is not medical advice.
9 Reddit threads analysed for Lecanemab
Overall Sentiment
Mixed
Comparison Threads
0
Avg Post Score
76 upvotes
Most discussed side effects in community
Mahesh Narayan, a biophysicist and professor at the University of Texas at El Paso, envisions a day when a truck from a lab might back into a parking spot behind the local Starbucks in service of treating Parkinson’s disease. Recent studies have demonstrated a correlation between drinking coffee and
👉 **TL;DR: This post is just the long—really long—and winding rant of a guy with a dog.** **Avoid reading this and go enjoy your life doing something else instead.** ​ **LCID starts to move.** Today, LCID started to move at 12:20 EST. Twenty-three minutes later, the reason surfaced:
**This is a re-post from my blog.** My first Lecanemab infusion was October 28, 2025. My tenth was February 17, 2026. The most frustrating part of Lecanemab treatment is not knowing if it is helping me. Is Lecanemab slowing the progression of my Alzheimer’s disease? I have no idea, and neither does
I published the following to my blog today: Last week, at the 2026 International Conference on Alzheimer's and Parkinson's Diseases, Eisai presented new real-world findings on the long-term usage of Lecanemab. Analyzing data from the [PurpleLab claims database](https://info.purplelab.com/clear-claim
Can someone convince me that Leqembi is actually a significant advancement in Alzheimer’s treatment? I admit to my ignorance in pharmacology, and I haven’t seen any legitimate articles on the drug. Therefore I’m trying to be very open minded if someone gives me an educated response. To me, Leqembi
Community discussions are sourced from public Reddit threads. Content reflects individual opinions and is not medical advice.
Both Donanemab and Lecanemab belong to the Anti-Amyloid Antibody class. While they share a similar mechanism of action, differences in pharmacokinetics, dosing, and side effect profiles may make one more suitable than the other for individual patients.
This comparison is for informational purposes only. Always consult a qualified healthcare professional before making medication decisions.