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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

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
2025-01-24
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
Interventions
Other: No Intervention
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 1, Tokyo, Japan

🇯🇵

Eisai trial site 2, Hiroshima, Japan

🇯🇵

Eisai trial site 3, Kyoto, Japan

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

Completed
Conditions
Psychotic Disorders
Interventions
Other: No Intervention
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
2024-11-19
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
65
Registration Number
NCT05594589
Locations
🇰🇷

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

🇰🇷

Gacheon University Gil Medical Centre, Incheon, Korea, Republic of

🇰🇷

Seoul National University Hospital, Seoul, Korea, Republic of

and more 6 locations

A Study to Assess the Safety, Tolerability, and Pharmacokinetics of E6742 in Systemic Lupus Erythematosus Participants

Phase 1
Completed
Conditions
Lupus Erythematosus, Systemic
Interventions
Other: Placebo
First Posted Date
2022-03-14
Last Posted Date
2023-09-29
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
26
Registration Number
NCT05278663
Locations
🇯🇵

Daido Clinic, Nagoya, Aichi, Japan

🇯🇵

Tohoku University Hospital, Sendai, Miyagi, Japan

🇯🇵

Hospital of the University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan

and more 9 locations

A Single and Multiple Dose Study of Dotinurad in Chinese Healthy Participants

Phase 1
Completed
Conditions
Healthy Volunteers
Interventions
First Posted Date
2022-03-14
Last Posted Date
2023-09-14
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
26
Registration Number
NCT05278676
Locations
🇨🇳

Shanghai Xuhui District Central Hospital, Shanghai, China

A Study of Tazemetostat on Safety in Participants With Relapsed or Refractory Follicular Lymphoma With Enhancer of Zeste Homolog 2 (EZH2) Gene Mutation in Japan

Recruiting
Conditions
Lymphoma, Follicular
Interventions
First Posted Date
2022-02-08
Last Posted Date
2024-12-27
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
145
Registration Number
NCT05228158
Locations
🇯🇵

Eisai Trial Site 216, Yatomi-shi, Aichi, Japan

🇯🇵

Eisai Trial Site 206, Matsudo-shi, Chiba, Japan

🇯🇵

Eisai Trial Site 240, Fukuoka-shi, Fukuoka, Japan

and more 225 locations

A Study to Evaluate Efficacy of Dotinurad and Febuxostat for the Treatment of Participants With Gout

Phase 3
Completed
Conditions
Gout
Interventions
Other: Febuxostat Matched Placebo
Other: Dotinurad Matched Placebo
First Posted Date
2021-08-16
Last Posted Date
2023-08-02
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
451
Registration Number
NCT05007392
Locations
🇨🇳

Shenzhen People's Hospital, Shenzhen, Guangdong, China

🇨🇳

Yanbian University Hospital, Yanji, Jilin, China

🇨🇳

Anhui Provincial Hospital, Hefei, Anhui, China

and more 27 locations

A Study of Equfina® on the Incidences of Adverse Drug Reactions in Participants With Parkinson's Disease (Including Participants With Hepatic Impairment)

Completed
Conditions
Parkinson Disease
Interventions
Drug: Equfina
First Posted Date
2021-01-26
Last Posted Date
2022-12-16
Lead Sponsor
Eisai Co., Ltd.
Target Recruit Count
1088
Registration Number
NCT04724109
Locations
🇯🇵

Eisai Trial Site 2, Osaka, Japan

🇯🇵

Eisai Trial Site 1, Tokyo, Japan

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