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EISAI CO

EISAI CO logo
🇯🇵Japan
Ownership
Public
Established
1941-12-06
Employees
11K
Market Cap
$12B
Website
http://www.eisai.co.jp

Clinical Trials

382

Active:9
Completed:245

Trial Phases

5 Phases

Phase 1:118
Phase 2:74
Phase 3:63
+2 more phases

Drug Approvals

11

NMPA:7
SFDA:4

Drug Approvals

Lemborexant Tablets

Product Name
达卫可
Approval Number
国药准字HJ20250058
Approval Date
May 20, 2025
NMPA

Lemborexant Tablets

Product Name
达卫可
Approval Number
国药准字HJ20250057
Approval Date
May 20, 2025
NMPA

Menatetrenone Soft Capsules

Product Name
固力康
Approval Number
国药准字HJ20150114
Approval Date
May 22, 2024
NMPA

Menatetrenone Soft Capsules

Product Name
固力康
Approval Number
国药准字HJ20150115
Approval Date
May 22, 2024
NMPA

Menatetrenone Soft Capsules

Product Name
固力康
Approval Number
H20150114
Approval Date
Sep 17, 2019
NMPA

Menatetrenone Soft Capsules

Product Name
固力康
Approval Number
H20150115
Approval Date
Sep 17, 2019
NMPA

Mecobalamin

Product Name
甲钴胺
Approval Number
H20140671
Approval Date
Sep 5, 2014
NMPA

Clinical Trials

Distribution across different clinical trial phases (330 trials with phase data)• Click on a phase to view related trials

Phase 1
118 (35.8%)
Phase 2
74 (22.4%)
Phase 3
63 (19.1%)
Not Applicable
49 (14.8%)
Phase 4
19 (5.8%)
phase_1_2
5 (1.5%)
phase_2_3
2 (0.6%)

A Post-marketing Observational Study of Tasfygo in Participants With Unresectable Biliary Tract Cancer With Fibroblast Growth Factor Receptor 2 (FGFR2) Fusion Gene Positivity Who Progressed After Chemotherapy

Not yet recruiting
Conditions
Biliary Tract Cancer
First Posted Date
2025-01-27
Last Posted Date
2025-03-20
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
60
Registration Number
NCT06793709

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

Recruiting
Conditions
Partial-Onset Seizures
Primary Generalized Tonic-clonic Seizures
First Posted Date
2024-10-24
Last Posted Date
2025-06-27
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
110
Registration Number
NCT06657378
Locations
🇯🇵

1, Tokyo, Japan

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

Recruiting
Conditions
Alzheimer's Disease
First Posted Date
2024-03-21
Last Posted Date
2025-02-18
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
5000
Registration Number
NCT06322667
Locations
🇯🇵

Eisai trial site 2, Hiroshima, Japan

🇯🇵

Eisai trial site 3, Kyoto, Japan

🇯🇵

Eisai trial site 1, Tokyo, Japan

A Study Based on the French National Health Insurance Database in Participants With Psychotic Disorders

Completed
Conditions
Psychotic Disorders
First Posted Date
2022-12-01
Last Posted Date
2023-11-18
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
579728
Registration Number
NCT05633108
Locations
🇬🇧

Eisai Ltd. European Knowledge Centre, Hatfield, Hertfordshire, United Kingdom

A Study to Assess the Pharmacodynamics of Lemborexant in Korean Participants With Insomnia Disorder

Phase 2
Completed
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
First Posted Date
2022-10-26
Last Posted Date
2025-07-03
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
65
Registration Number
NCT05594589
Locations
🇰🇷

Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do, Korea, Republic of

🇰🇷

The Catholic University of Korea, St. Vincent Hospital, Suwon-si, Gyeonggi-do, Korea, Republic of

🇰🇷

Keimyung University Dongsan Hospital, Daegu-si, Korea, Republic of

and more 6 locations
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News

SEED Therapeutics Receives FDA Clearance for First-in-Human Trial of RBM39 Degrader ST-01156

The FDA has cleared SEED Therapeutics' IND application for ST-01156, a molecular glue degrader targeting RBM39, enabling a Phase 1 trial in advanced solid tumor and hematological malignancies.

Roche Launches Clinical Trial for Trontinemab to Prevent Alzheimer's Disease

Roche announced plans to test Trontinemab, an experimental drug designed to delay or prevent Alzheimer's disease symptoms in at-risk individuals.

Eisai Launches Beova Tablets for Overactive Bladder Treatment in Thailand

Eisai Thailand has launched Beova® Tablets (vibegron), a selective β3-adrenergic receptor agonist for overactive bladder treatment, marking the first market entry in Eisai's licensed ASEAN region.

Biogen and Acumen Advance Alzheimer's Research with Long-Term Data and Novel Targeting Approaches at AAIC 2025

Biogen presents 48-month data from LEQEMBI's Clarity AD open-label extension study and introduces subcutaneous formulation for maintenance dosing at AAIC 2025.

BeyondSpring's Plinabulin Shows Promise in Reversing Checkpoint Inhibitor Resistance Through Dendritic Cell Activation

BeyondSpring's Plinabulin combined with radiation and PD-1 inhibitors achieved a 23% overall response rate and 54% disease control rate in patients who failed prior checkpoint inhibitor therapy.

Alzheimer's Drug Market Sees 780% Investment Surge Following Leqembi and Kisunla Approvals

Total M&A deal value in Alzheimer's disease jumped from $2 billion in 2022 to $18 billion in 2024, representing a 780% increase following the approval of disease-modifying treatments.

Tislelizumab Shows Promise as Adjuvant Therapy for High-Risk Hepatocellular Carcinoma Patients

A multicenter retrospective study of 108 patients demonstrated that tislelizumab, with or without tyrosine kinase inhibitors, significantly extended recurrence-free survival in high-risk hepatocellular carcinoma patients after curative resection.

Biogen's Leqembi Shows Accelerating Growth with 58% Global Sales Increase Despite Slow Market Adoption

Biogen reported Leqembi generated $160 million in global sales for Q2 2024, representing a 58% increase, with U.S. sales rising 20% to $63 million despite ongoing market adoption challenges.

NICE Rejects First Alzheimer's Disease-Modifying Drugs for NHS Use Due to Cost-Effectiveness Concerns

The National Institute for Health and Care Excellence (NICE) has refused to recommend lecanemab and donanemab for NHS use, denying access to over 70,000 eligible patients in England unless they can afford private treatment costing £60,000-80,000 annually.

Gyre Therapeutics Initiates Phase 1 Trial of F230 for Pulmonary Arterial Hypertension in China

Gyre Therapeutics has successfully dosed the first volunteer in a Phase 1 clinical trial evaluating F230, a novel endothelin A receptor antagonist, for treating pulmonary arterial hypertension in China.

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