PHARMA SIGNALOPEN RESEARCH PLATFORM →
COMPANY RESEARCH PROFILE · UPDATED 2026-09-29

Eisai

Global pharmaceutical company focused primarily on neurology and oncology, including Alzheimer's disease therapy Leqembi and oncology medicine Lenvima.

TICKER4523.T
HEADQUARTERSTokyo, Japan
STAGEApproved
ACTIVE TRIALS31

Therapeutic areas

NeurologyOncology

Selected products and programs

LeqembiLenvimaDayvigo

Linked curated drug profiles

lecanemab

Amyloid-beta-directed monoclonal antibody

lenvatinib

Small molecule multikinase inhibitor

Selected active clinical trials

A Study to Evaluate the Efficacy and Safety of E2086 in Adults With Narcolepsy

Phase 2 · Recruiting · Narcolepsy

A Study of Jyseleca Tablet (Filgotinib Maleate) in Korean Participants

NA · Recruiting · Arthritis, Rheumatoid

Study to Evaluate the Pharmacokinetics (PK) of E7090 (Herein Referred to as Tasurgratinib) and Its Metabolite in Participants With Mild and Moderate Hepatic Impairment Compared to Healthy Participants

Phase 1 · Recruiting · Hepatic Impairment

A Post Marketing Study in Participants With Early Alzheimer's Disease Treated With Lecanemab

NA · Recruiting · Alzheimer's Disease

A Study to Evaluate the Safety of Fycompa Injection in Participants With Partial-Onset Seizures or Primary Generalized Tonic- Clonic Seizures

NA · Recruiting · Partial-Onset Seizures

A Study of E6742 in Participants With Systemic Lupus Erythematosus

Phase 2 · Recruiting · Systemic Lupus Erythematosus

Selected patent records

US 7253286

lenvatinib mesylate · Expires 2025-10-24

US 7253286*PED

lenvatinib mesylate · Expires 2026-04-24

US 7612208

lenvatinib mesylate · Expires 2026-09-19

US 7612208*PED

lenvatinib mesylate · Expires 2027-03-19

US 9006256

lenvatinib mesylate · Expires 2027-07-27

US 9006256*PED

lenvatinib mesylate · Expires 2028-01-27

Primary and company sources

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Evidence & limits

Source: Open the source record

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