> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/company/eisai-inc-f92b3ede-0a32-4c7d-80d0-1dc62ba1ee01
> Record changed: 2026-10-13

# Eisai Inc.

Headquarters country

Japan

Source: [search.gleif.org](https://search.gleif.org/#/record/353800HDEE0ZYEX4QV91)

Registry sponsor category

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/)

## Names and classification

**Company name**

Eisai Inc.

**Organisation type**

Industry

**Registered legal name**

エーザイ株式会社

Source: [search.gleif.org](https://search.gleif.org/#/record/353800HDEE0ZYEX4QV91)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/)

**Website**

https://www.eisai.com

Source: [www.wikidata.org](https://www.wikidata.org/wiki/Q903384)

### Other names (4)

- Eisai GmbH
- Eisai Limited
- Eisai Co., Ltd.
- Eisai Inc.

## Location and listing

**Headquarters country**

Japan

Source: [search.gleif.org](https://search.gleif.org/#/record/353800HDEE0ZYEX4QV91)

**Publicly traded (proxy)**

No

**Listing at source**

Listed

## Identifiers

**Legal Entity Identifier (LEI)**

353800HDEE0ZYEX4QV91

Source: [search.gleif.org](https://search.gleif.org/#/record/353800HDEE0ZYEX4QV91)

**Wikidata ID**

Q903384

Source: [www.wikidata.org](https://www.wikidata.org/wiki/Q903384)

## Related records

### Subsidiaries (1)

- Eisai Europe Ltd. (United Kingdom) Direct subsidiary

### Trials (772)

- 2 Year Study to Evaluate the Effects of GPI 1485 on \[123I\]b-CIT/SPECTScanning and Clinical Efficacy in Patients With PD
- 2-Part Multiple Ascending Dose Study for Safety and Pharmacokinetics in Healthy and Elderly Subjects
- 3 Screen Electronic Alert
- 4-Year Open-Label Extension Phase of the Parallel-Group Study of E2007 in Patients With Refractory Partial Seizures
- A 12-Day Randomized, Blinded, Vehicle and Active Comparator-Controlled Study to Determine the Efficacy and Safety of Six Concentrations of Topical E6201 Gel in Subjects With Psoriasis Vulgaris
- A 2-Part Single Dose Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of E2006
- A 2-Part Study to Assess Potential Metabolism-Based Drug-Drug Interactions of E2006 When Coadministered With Itraconazole, Rifampin, Midazolam, or Bupropion
- A 24-Month Study to Evaluate the Efficacy and Safety of Elenbecestat (E2609) in Participants With Early Alzheimer's Disease
- A 24-weeks, Multi-center, Randomized, Double-blind, Placebo Controlled Study to Evaluate the Efficacy and Safety of Donepezil Hydrochloride in Chinese Subjects With Severe Alzheimer's Disease
- A 28-Week Open Label Extension Study Evaluating Safety and Tolerability of Donepezil Hydrochloride in Subjects With Mild Cognitive Impairment
- A 3-Part, Open-Label, Drug-Drug Interaction Study of Concomitant Administration of E2609 With Itraconazole, Rifampin, Digoxin, or Donepezil
- A Bioequivalence and Food Effect Study of SEP-190 in Japanese Healthy Subjects (Study SEP 190-102)
- A Bioequivalence Study Comparing Improved Versus Current Orally Disintegrating E2020 10 mg Tablet in Healthy Japanese Adult Males
- A Bioequivalence Study of Film-coated Tablet and Dry Syrup 1% Form for E2020 in Healthy Japanese Adult Males
- A Clinical Pharmacological Study of Rabeprazole Sodium in Japanese Healthy Adult Male Volunteers (Study E3810)
- A Clinical Study in Healthy Male Volunteers to Compare the Bioequivalence of Fixed Dose Combination of Eperisone Hydrochloride 50mg Plus Diclofenac Sodium 50mg as Capsule With Eperisone Hydrochloride 50mg and Diclofenac Sodium 50mg Tablets Under Fasting Conditions (Study 013-10)
- A Clinical Trial of Decitabine in Patients With Myelodysplastic Syndrome
- A Clinical Trial to Evaluate the Safety and Efficacy of Fycompa in Subjects With Amyotrophic Lateral Sclerosis (ALS)
- A Clinical Trial to Study the Effects of a Fixed Dose Combination of Diclofenac and Eperisone Hydrochloride With Plain Eperisone Hydrochloride in Patients With Low Back Pain
- A Community-Based Screening Program to Identify Participants at High Risk for Amyloid Pathology

---

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