Eisai
Eisai sponsors 287 registered US clinical trials on ClinicalTrials.gov, 5 of them currently recruiting, and 243 completed. 67 of these trials are in Phase 3-4 (later-stage) and 214 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Healthy Subjects, with 6 trials.
Trial Pipeline
287 total, page 6 of 6
Trial of Decitabine in Patients With Acute Myelogenous Leukemia or Myelodysplastic Syndrome
NCT00760084
An Open-Label Study of E7974 Administered on Days 1, 8, and 15 of a 28-Day Cycle and Days 1 and 8 of a 21-Day Cycle in Patients With Solid Malignancies
NCT00121732
Safety and Efficacy of APD356 in the Treatment of Obesity
NCT00116740
A Study of Decitabine Given to Adults With Advanced-Stage Myelodysplastic Syndromes
NCT00260065
Pharmacokinetic Trial of Decitabine (Dacogen) Administered as a 3-hour Infusion to Patients With Acute Myelogenous Leukemia or Myelodysplastic Syndrome
NCT01378416
Study of Irofulven Plus Capecitabine in Patients With Advanced Thyroid Cancer
NCT00124527
E2007 Given as Adjunctive Therapy in Patients With Refractory Partial Seizures
NCT00144690
A Study of ONTAK in Patients With Relapsed or Refractory, B-Cell Non Hodgkin's Lymphoma
NCT00211276
Study of Decitabine for Treatment of Older Patients With Acute Myeloid Leukemia (AML)
NCT00358644
Efficacy and Safety Study of E2007 in Migraine Prophylaxis
NCT00154063
Phase II Study Of E7389, Halichondrin B Analogue, In Patients With Advanced Non-Small Cell Lung Cancer, NSCLC, Who Progressed During Or After Platinum-Based Doublet Chemotherapy
NCT00100932
Safety and Efficacy of APD356 in the Treatment of Obesity
NCT00104507
Maintenance Intermittent Therapy for Symptomatic GERD Patients
NCT00165841
A Study of E7389 in Advanced/Metastatic Breast Cancer Patients
NCT00097721
Study of Irofulven in Patients With Hormone-refractory Prostate Cancer
NCT00124566
A Study of ONTAK and CHOP in Newly Diagnosed, Peripheral T-Cell Lymphoma
NCT00211185
Study to Evaluate the Efficacy, Safety, and Tolerability of E7070 in Metastatic Breast Cancer Patients
NCT00080197
Dosing and Safety Study of E7820 in Patients With a Malignant Solid Tumor or Lymphoma
NCT00078637
The Evaluation of the Efficacy and Safety of Donepezil Hydrochloride in Subjects With Mild Cognitive Impairment (MCI)
NCT00293176
Evaluate the Effects of GPI 1485 on Erectile Function Following Bilateral Nerve-Sparing Prostatectomy
NCT00090376
Study of E7389 in Patients With Advanced Solid Tumors
NCT00069264
Study of E7389 Administered Once Every 3 Weeks In Patients With Advanced Solid Tumors
NCT00069277
Study of ONTAK in Patients With B-Cell Chronic Lymphocytic Leukemia (CLL)
NCT00055146
Donepezil Hydrochloride (E2020) in Dementia Associated With Cerebrovascular Disease
NCT00165737
Dose-Finding Study of E7070 in Combination With Irinotecan
NCT00060567
An Evaluation Of The Efficacy And Safety Of Donepezil Hydrochloride (E2020) In Migraine Prophylaxis
NCT01146509
A Safety, Tolerability and Efficacy Study of E7070 in Patients With Renal Cell Carcinoma
NCT00059735
Evaluation of Efficacy, Safety and Tolerability of Targretin Capsules in Patients With Advanced or Metastatic Non-small Cell Lung Cancer
NCT00050960
Dose Response Study of Zonegran in Patients With Newly Diagnosed Epilepsy
NCT00056576
A Safety and Efficacy Study of Intravenous E5564 in Patients With Severe Sepsis
NCT00046072
Study of ONTAK® to Treat Cutaneous T-Cell Lymphoma (CTCL)
NCT00211198
Efficacy and Safety of Aricept in the Treatment of Severe Alzheimer's Disease
NCT00096473
Phase II Study of ONTAK in Previously Treated Patients With Low-grade Non-Hodgkin's Lymphoma (NHL)
NCT00051025
Irofulven Compared With Fluorouracil in Treating Patients With Pancreatic Cancer
NCT00033735
Study of ONTAK (Denileukin Diftitox) in Previously Treated Cutaneous T-Cell Lymphoma Patients
NCT00051012
Study of ONTAK (Denileukin Diftitox) in Cutaneous T-Cell Lymphoma (CTCL) Patients
NCT00050999
Evaluation of Efficacy, Safety and Tolerability of Targretin Capsules in Patients With Advanced or Metastatic Non-small Cell Lung Cancer
NCT00050973
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 122 |
| Phase 2 | 92 |
| Phase 3 | 52 |
| Phase 4 | 15 |
Therapeutic Areas
What the Pipeline for Eisai Shows
According to the ClinicalTrials.gov registry, Eisai is linked to 287 US clinical trials across every stage of research activity. Of those, 5 studies are currently recruiting, about 2% of the sponsor's indexed portfolio, and 243 are already marked complete, representing roughly 85% of the total.
The phase mix for Eisai reports 67 late-stage studies (Phase 3 and Phase 4 combined) and 214 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Eisai is Healthy Subjects with 6 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.