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 4 of 6
A Randomized, Double-Blind, Placebo-Controlled, Ascending Single Dose Study of E6007 in Healthy Subjects
NCT01221818
A Study With an Open-label Extension Phase to Evaluate the Effect of Perampanel (E2007) on Cognition, Growth, Safety, Tolerability, and Pharmacokinetics in Adolescents
NCT01161524
A Study of E7080 Alone, and in Combination With Everolimus in Subjects With Unresectable Advanced or Metastatic Renal Cell Carcinoma Following One Prior Vascular Endothelial Growth Factor (VEGF)-Targeted Treatment
NCT01136733
An Open-Label, 2-Cohort, Multicenter, Study of Lenvatinib in Previously Treated Subjects With Unresectable Stage III or Stage IV Melanoma
NCT01136967
Compassionate Use of Eribulin for the Treatment of Advanced Breast Cancer Refractory to All Other Marketed Therapies
NCT01142661
A Randomized, Double-blind, Placebo-controlled, Combined Single Ascending Dose and Multiple Ascending Dose Study
NCT01230853
Single and Multiple Dose Asian Bridging Study
NCT01251731
A Study to Evaluate the Effect on 24-hour, Intragastric pH of RAB ER 50-mg Capsules Compared With Esomeprazole (Nexium) 40 mg Capsules and Rabeprazole (Aciphex) 20-mg Tablets
NCT01153659
E7080 Food Effect Study in Healthy Subjects
NCT01240408
Study of Denileukin Diftitox in Participants With Stage IIIC and Stage IV Melanoma
NCT01127451
Eribulin Mesylate Administered in Combination With Pemetrexed Versus Pemetrexed Alone as Second Line Therapy in Patients With Stage IIIB or IV Nonsquamous Non Small Cell Lung Cancer
NCT01126736
Eribulin Mesylate Administered in Combination With Gemcitabine Plus Cisplatin Versus Gemcitabine Plus Cisplatin Alone as First-Line Therapy for Locally Advanced or Metastatic Bladder Cancer
NCT01126749
E7080 (Lenvatinib) in Combination With Dacarbazine Versus Dacarbazine Alone as First Line Therapy in Patients With Stage IV Melanoma
NCT01133977
A Dose-ranging Study to Evaluate the Safety and Efficacy of LUSEDRA (Fospropofol Disodium) as an Intravenous Sedative for Diagnostic or Therapeutic Colonoscopy in Adult Special Populations
NCT01127438
Study of Poly (ADP-Ribose) Polymerase (PARP) Inhibitor E7016 in Combination With Temozolomide in Subjects With Advanced Solid Tumors
NCT01127178
FOLFIRI Alone Versus FOLFIRI Plus Bevacizumab Versus FOLFIRI Plus E7820 as Second-Line Therapy in Patients With Locally Advanced or Metastatic Colorectal Cancer
NCT01133990
Study of Lenvatinib in Subjects With Advanced Endometrial Cancer and Disease Progression
NCT01111461
E7080 in Combination With Carboplatin + Gemcitabine Versus Carboplatin + Gemcitabine Alone as Second Line Therapy in Patients With Platinum-Sensitive Recurrent Ovarian Cancer by CA125
NCT01133756
Eribulin Mesylate in Combination With Intermittent Erlotinib in Patients With Previously Treated, Advanced Non-Small Cell Lung Cancer
NCT01104155
A Randomized, Double-blind, Placebo-controlled, Sequential Ascending, Single-dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of E2212 in Healthy Subjects
NCT01221259
A Single-Center, Open-Label, Randomized, 3-Treatment Crossover Bioavailability Study of Single Oral Doses of E5501 Old Tablet Formulation Under Fasted Conditions and a New Tablet Formulation Under Fed and Fasted Conditions in Healthy Subjects
NCT01260155
Escalation Study to Determine Bioavailability of a Single Oral Dose of Decitabine in Patients With Myelodysplastic Syndrome (MDS)
NCT00941109
To Demonstrate Superiority of Decitabine Over Azacitidine in Subjects With Intermediate- or High-risk MDS.
NCT01011283
A Study of Palonosetron for the Prevention of Chemotherapy-Induced Nausea and Vomiting (CINV) in Participants Who Have Experienced CINV(Chemotherapy-Induced Nausea and Vomiting) During the Previous Cycle of Low Emetogenic Chemotherapy (LEC)
NCT01054456
Pilot Study to Assess Palonosetron Versus Ondansetron as Rescue Medication in Subjects That Develop Postoperative Nausea and Vomiting (PONV) in the Postanesthesia Care Unit (PACU)
NCT00967499
Evaluating the Efficacy and Safety of Oral Ranirestat (40 and 80 mg) in Mild to Moderate Diabetic Sensorimotor Polyneuropathy
NCT00927914
Once-Daily Oral Avatrombopag Tablets Used in Subjects With Chronic Liver Diseases and Thrombocytopenia Prior to Elective Surgical or Diagnostic Procedures
NCT00914927
A Study Comparing Eribulin Mesylate and Ixabepilone in Causing or Exacerbating Neuropathy in Participants With Advanced Breast Cancer
NCT00879086
Comparing the Efficacy, Safety, and Tolerability of Rabeprazole ER 50 mg With Placebo in Subjects With Symptomatic Gastroesophageal Reflux Disease (sGERD)
NCT00911534
Evaluating the Safety and Efficacy of Oral Lenvatinib in Medullary and Iodine-131 Refractory, Unresectable Differentiated Thyroid Cancers, Stratified by Histology
NCT00784303
To Assess the Effect of Lorcaserin Hydrochloride on Energy Metabolism and Food Intake
NCT00829140
Pharmacokinetic Properties of Lorcaserin in the Fed and Fasted State
NCT00828724
Pharmacokinetic Properties of Lorcaserin in Subjects With Renal Impairment
NCT00828438
Pharmacokinetic Properties of Lorcaserin in Obese or Overweight Elderly Subjects
NCT00828581
Evaluation of the Efficacy and Safety of E2007 (Perampanel) Given as Adjunctive Therapy in Subjects With Refractory Partial Seizures
NCT00735397
A Study of Eritoran (E5564) Administered IV Over 14 Days Prior to and During Bone Marrow Engraftment in BMT Patients Who Have Received Myeloablative Conditioning Treatment and Are Receiving Bone Marrow or Stem Cells From Matched Related Donors
NCT00756912
Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 11 To 17
NCT00754052
Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 6 To 10
NCT00754013
Rabeprazole Extended-Release 50 mg vs. Ranitidine 150 mg for Maintenance of Healed Erosive Gastroesophageal Reflux Disease (GERD)
NCT00838526
Rabeprazole Extended Release 50 mg Versus Ranitidine 150 mg for Maintenance of Healed Erosive Gastroesophageal Reflux Disease (GERD)
NCT00839306
Pharmacokinetic Properties of Lorcaserin in Subjects With Hepatic Impairment
NCT00828932
Efficacy and Safety of Donepezil Hydrochloride in Preadolescent and Adolescent Children With Attention Impairment Following Cancer Treatment
NCT00688376
A Phase 1, Multicenter, Open-Label, Dose-Escalation, Safety, Pharmacokinetic, and Pharmacodynamic Study of E6201 in Subjects With Advanced Solid Tumors
NCT00794781
A Study of Decitabine Given Subcutaneously to Adults With Low or Intermediate-1 Risk Myelodysplastic Syndromes (MDS)
NCT00619099
To Evaluate The Efficacy and Safety of E2007 (Perampanel) Given as Adjunctive Therapy in Subjects With Refractory Partial Seizures
NCT00699582
Evaluating the Efficacy and Safety of E2007 (Perampanel) Given as Adjunctive Therapy in Subjects With Refractory Partial Seizures
NCT00699972
Evaluating The Safety Of Donepezil Hydrochloride (Aricept) For Up To 1 Year In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome - Follow-Up To A 10-Week, Double-Blind, Placebo-Controlled Trial
NCT00675025
Rabeprazole Extended-Release, 50 mg, Versus Esomeprazole, 40 mg, for Healing and Symptomatic Relief of Moderate to Severe Erosive Gastroesophageal Reflux Disease (GERD)
NCT00658775
Rabeprazole Extended-Release 50 mg Versus Esomeprazole 40 mg for Healing and Symptomatic Relief of Mild to Moderate Erosive Gastroesophageal Reflux Disease (GERD)
NCT00658632
Rabeprazole Extended-Release 50 mg Versus Esomeprazole 40 mg for Healing and Symptomatic Relief of Moderate to Severe Erosive Gastroesophageal Reflux Disease (GERD)
NCT00658528
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.