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July 24, 2026
 

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EISAI

Eisai's Alzheimer's drug Lecanemab, also known as Leqembi
51³Ô¹ÏÍø / Science & Health
Mar 25, 2026
Research team confirms safety of Alzheimer¡¯s drug Lecanemab
The research team examined data on the health status of 2,672 patients 28 weeks after the start of the treatment.
A scientist looks at hypometabolic and hypoperfusion patterns at the single-subject level from a patient suffering from Alzheimer's disease at a hospital in Geneva in June 2023.
WORLD / Science & Health
Dec 12, 2025
Alzheimer¡¯s drug hunt learns from cancer fight¡¯s multi-target playbook
Just two drugs are widely approved to slow Alzheimer¡¯s ¡ª Eli Lilly¡¯s Kisunla and Leqembi from Eisai and Biogen.
The price of Alzheimer's drug Lecanemab, codeveloped by Japanese drugmaker Eisai and U.S. industry peer Biogen, will be lowered to ?97,277 for a 500-milligram bottle.
51³Ô¹ÏÍø / Science & Health
Aug 7, 2025
Japan approves price cut for Alzheimer¡¯s drug Lecanemab
The drug¡¯s price will be lowered to ?97,277 for a 500-milligram bottle starting on Nov. 1.
Capsules of Takeda Pharmaceutical's Prevacid heartburn drug. The company's share price dropped by over 5% on Monday after U.S. President Donald Trump announced a plan to order a cut in U.S. prescription drug costs.
BUSINESS / Markets
May 12, 2025
Asian pharma stocks tumble on Trump signal to cut U.S. drug prices
The U.S. president¡¯s social media post put pressure on drug-related stocks on worries their profits will take a hit if they have to reduce prices in the U.S.
Lecanemab was developed by drugmakers Eisai of Japan and Biogen of the United States.
51³Ô¹ÏÍø / Science & Health
Nov 15, 2024
European agency switches to recommending new Alzheimer¡¯s drug
The committee judged that the efficacy of lecanemab outweighs the risk for some patients.
Mecobalamin is a form of vitamin B12 sold as a remedy for peripheral neuropathy and other conditions. It was initially proposed for pharmaceutical approval as a treatment for ALS in 2015 by drugmaker Eisai Co. after its clinical trial found a certain level of efficacy.
51³Ô¹ÏÍø / Science & Health
Sep 24, 2024
Japan approves sale of new ALS drug, raising hopes among patients
The drug, mecobalamin, extended the survival period of patients within a year of the onset of ALS by over 500 days, surpassing existing drugs.
A scientist looks at brain scans of a patient suffering from Alzheimer's disease in Geneva in 2023.
WORLD / Science & Health
Sep 21, 2024
Revolution or mirage? Controversy surrounds new Alzheimer¡¯s drugs
For defenders, the drugs represent a real chance to fight the disease. For detractors, they are a disappointment after a long line of costly failures.
U.K. authorities have approved lecanemab, a novel Alzheimer's drug developed by Eisai, making Britain the first country in Europe to greenlight the drug.
51³Ô¹ÏÍø
Aug 23, 2024
Britain OKs Eisai¡¯s novel Alzheimer¡¯s drug lecanemab
The United Kingdom is the first country in Europe to greenlight the drug.
Leqembi, which was developed by U.S. multinational Biogen and Japanese-based Eisai, is the brand name of an active substance called lecanemab, which is used to treat adults with mild memory and cognitive problems resulting from the early stages of the common type of dementia.
51³Ô¹ÏÍø / Science & Health
Jul 27, 2024
European medicines watchdog rejects Eisai¡¯s new Alzheimer¡¯s drug
The watchdog said the risks of side effects, including potential brain bleeding, outweighed the benefits.
A monk practices "zazen" (seated meditation), a practice that the monk Dogen said would help one cast aside the world in service of the Way.
51³Ô¹ÏÍø / History / The Living Past
May 17, 2024
The joy of Zen ¡ª Part 1: Prose
The writings of the monks Eisai and Dogen sought to determine the proper way to live on this Earth, in harmony with the Way.
Tests for patients suffering from Alzheimer's disease. According to the Alzheimer's Association, the disease is estimated to affect more than 6 million Americans.
WORLD / Science & Health / FOCUS
Apr 24, 2024
Alzheimer¡¯s drug adoption in U.S. slowed by doctors¡¯ skepticism
There is an entrenched belief among some doctors that treating the memory-robbing disease is futile.
51³Ô¹ÏÍø / Science & Health
Mar 15, 2024
Japan starts clinical trial of familial Alzheimer¡¯s treatment
The clinical trial is under way in 16 countries, with four people in their 30s to 50s participating in Japan.
Eisai's Alzheimer's drug Leqembi
BUSINESS / Companies
Feb 5, 2024
Eisai sees ¡®huge¡¯ growth potential for Alzheimer¡¯s drug in China
The Japanese pharmaceutical firm aims to roll out its groundbreaking Alzheimer¡¯s drug Leqembi to 1,500 people in China later this year.
51³Ô¹ÏÍø / Science & Health
Sep 25, 2023
As Japan OKs Alzheimer¡¯s drug, issue of side effects comes into focus
There are big challenges ahead for the use of lecanemab, particularly on how to control side effects such as brain swelling and bleeding.
51³Ô¹ÏÍø / Science & Health
Aug 21, 2023
Japanese ministry panel gives OK to Alzheimer¡¯s drug lecanemab
The panel¡¯s endorsement will be followed by official approval by the health minister in coming days.
Japan Times
BUSINESS / Companies
Jul 11, 2023
Eisai appoints CEO¡¯s son to lead global Alzheimer drug program
Eisai¡¯s former global Alzheimer drug program officer, who led the push for U.S. approval of breakthrough medicine Leqembi, will retire at the end of the month.
Japan Times
WORLD / Science & Health
Jul 7, 2023
Eisai Alzheimer¡¯s drug gets full U.S. approval, widening access to the therapy
The broader clearance from the Food and Drug Administration marks a milestone for treatment of the dementia that afflicts some 6 million Americans.
Japan Times
51³Ô¹ÏÍø / Science & Health / FOCUS
Jul 4, 2023
Expectations grow for Alzheimer¡¯s drug in Japan, but hurdles remain
Lecanemab could be approved in the country as early as fall, but more specialist doctors and a patient screening system would be needed for widespread use.
Japan Times
WORLD / Science & Health
Jun 19, 2023
New Eisai and Biogen Alzheimer drug faces hurdles in Europe
Some doctors said its effect on the disease may not be clinically meaningful enough when weighed against the risk of brain swelling, its likely high price.
Japan Times
51³Ô¹ÏÍø
Jan 30, 2023
Priority review status given to Alzheimer¡¯s drug developed by Eisai and Biogen
The companies said priority review in Japan is granted to new medicines recognized as having high medical utility for serious diseases.
Japan scientists identify clusters of protein believed to trigger Alzheimer¡¯s disease
A team of researchers said they found a ¡°seed¡± that accelerates the amyloid beta accumulation process in the brain, naming it ¡°Peak 1 amyloid beta,¡± as seen in a mouse's brain.
Indian brothers make manga debut in Japan
Two Indian brothers made their manga debut in Japan with "Kung Fu Kung Fool" ¡ª an action-comedy series that follows the adventures of a notorious thief and a young boy.
Japan weighs regulating Pokemon cards amid trading mania
A Pokemon event is held in Jakarta on July 11
Low-income families in Japan cut food and air conditioning during summer break
Yumiko Watanabe, the chairperson of nonprofit Kidsdoor, explains the results of a survey in Tokyo's Chiyoda Ward on July 1.
Iran strikes on CIA facilities prompt questions about possible Russian role
Iranian drones are displayed in an undisclosed location in Iran, in this handout image obtained on Jan. 13, 2025.U.S. officials have acknowledged that Russia has ?provided targeting ?and other support for Iran in its drone strikes on U.S. targets in the Persian Gulf region.
The sci-fi sensibilities of electronic trio Black Boboi
Black Boboi was formed in 2018 when solo artists Julia Shortreed, Utena Kobayashi and Ermhoi came together under Kobayashi¡¯s newly founded label, Bindividual.
A perfect storm: Kaze Fujii fans flock to Fuji Rock
Okayama-born singer-songwriter Kaze Fujii has carved out a distinctive place in Japanese pop since his major-label debut in 2019.
Can Japanese comedy get laughs in English? Yoshimoto Kogyo lets the jokes rip
Wes-P has millions of followers and his viral clips made him recognizable out of Japan.
The 180-day locals: Life on Japan¡¯s digital nomad visa
Christopher Flinn works remotely from Tokyo earlier this month. Japan issued 646 digital nomad visas in 2025, but tourism officials are hoping to increase that figure in the coming years, with Japan's relatively cheap cost of living and the weak yen seen as potential draws for young professionals.
Japan reveals hint of new defense spending target in fiscal blueprint
The Self-Defense Forces' Type 16 mobile combat vehicle fires during a joint live-fire drill with U.S. Marines as part of the annual Resolute Dragon exercises in Yufu, Oita Prefecture, on June 28.

Podcast

One of the many entrances to the Kabukicho neighborhood in Tokyo¡¯s Shinjuku Ward.
Kabukicho: Tokyo¡¯s ¡®stadium of desire¡¯

Longform

For many people, utility poles and power lines have become such a familiar part of Japan¡¯s landscape that they often go unnoticed.
Why Japan¡¯s utility poles won¡¯t be disappearing anytime soon
By Alex K.T. Martin

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