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 3 of 6
Treatment of Thrombocytopenia in Patients With Chronic Liver Disease Undergoing an Elective Procedure
NCT01976104
A Multicenter, Double-blind, Randomized, Parallel-group, Pilot Study of 12-week Duration to Assess the Short-term Safety and Tolerability of Lorcaserin Plus Two Doses of Immediate-Release Phentermine-HCl Compared With Lorcaserin Alone in Overweight and Obese Adults
NCT01987427
Bioequivalence Study to Evaluate the Impact of Varying Crystalline Polymorph Forms for the Commercial Oral Capsule Formulation of 10-mg Lenvatinib in Healthy Volunteers
NCT02723630
An Open-label, Single Dose Study to Determine the Metabolism and Elimination of [14C]E2609 in Healthy Male Subjects
NCT01975636
A Trial of E7777 in Persistent and Recurrent Cutaneous T-Cell Lymphoma
NCT01871727
Study of the Safety and Activity of Lenvatinib (E7080) in Subjects With KIF5B-RET-Positive Adenocarcinoma of the Lung
NCT01877083
A Study to Evaluate Safety, Tolerability, and Efficacy of Lecanemab in Subjects With Early Alzheimer's Disease
NCT01767311
A Open-label, Three-period, Partial-replicate Design Study to Evaluate the Inter- and Intrasubject Variability of the Avatrombopag To-be-marketed Formulation Administered as Single Doses of 40 mg to Healthy Subjects Receiving a Low-fat Meal
NCT01759394
An Study to Determine the Bioavailability of E2609 Tablets Compared to Capsules and the Effect of Food on Absorption
NCT01716897
Open-Label Study of Bioavailability of E2006 Tablet Versus Capsule Formulations
NCT01673880
2-Part Multiple Ascending Dose Study for Safety and Pharmacokinetics in Healthy and Elderly Subjects
NCT01673451
Evaluation of E2609 in Subjects With Mild Cognitive Impairment or Mild Dementia Due to Alzheimer's Disease (Study: E2609-A001-101 Amendment 02)
NCT01600859
Phase 2 Study of the Poly(ADP-Ribose) Polymerase Inhibitor E7016 in Combination With Temozolomide in Subjects With Wild Type BRAF Stage IV or Unresectable Stage III Melanoma
NCT01605162
A Phase 3, Multicenter, Randomized, Double-blind,Active-controlled, Parallel-group Trial With an Open-labelExtension Phase to Evaluate the Efficacy and Safety of OralE5501 Versus Eltrombopag, in Adults With Chronic ImmuneThrombocytopenia (Idiopathic Thrombocytopenic Purpura)
NCT01433978
Pharmacokinetics, Efficacy, and Safety of Perampanel Oral Suspension on Seizure Frequency in Pediatric Subjects Maintained on One to Three Stable Antiepileptic Drugs
NCT01527006
A Randomized, Open-label, Multicenter, Phase 3 Study to Compare the Efficacy and Safety of Eribulin With Treatment of Physician's Choice in Subjects With Advanced Non-Small Cell Lung Cancer
NCT01454934
Evaluation of the Safety, Pharmacokinetics, and Pharmacodynamics of Multiple Doses of E2609 in Healthy Subjects
NCT01511783
A Phase 1, Open-Label, Single-Dose, Pharmacokinetic and Safety Study of E7080 (24 mg) Administered to Subjects With Mild, Moderate, and Severe Renal Impairment and to Healthy Subjects
NCT02199379
A Study Comparing the Combination of the Best Supportive Care Plus E7080 Versus Best Supportive Care Alone, in Patients With Advanced Lung Cancer or Lung Cancer That Has Spread, Who Have Been Previously Treated, Unsuccessfully, With at Least 2 Different Treatments
NCT01529112
Chronic Hepatitis C Virus Related Thrombocytopenia to Evaluate the Effects of E5501
NCT01355289
A Pharmacokinetic Study to Assess the Influence of P-glycoprotein Inhibition and Simultaneous CYP3A4 and P-glycoprotein Induction on E7080 Pharmacokinetics Following Single Dose Oral Administration of 24 mg E7080 to Healthy Volunteers
NCT02199392
E7050 in Combination With Cisplatin and Capecitabine Versus Cisplatin and Capecitabine Alone in Patients With Advanced or Metastatic Solid Tumors and Previously Untreated Gastric Cancer
NCT01355302
A Study of E7050 in Combination With E7080 in Participants With Advanced Solid Tumors (Dose Escalation) and in Participants With Recurrent Glioblastoma or Unresectable Stage III or Stage IV Melanoma After Prior Systemic Therapy (Expansion Cohort and Phase 2)
NCT01433991
A 2-Part Single Dose Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of E2006
NCT01463098
An Open-Label Study to Assess the Pharmacokinetics and Safety of HALAVEN in Subjects With Cancer Who Also Have Impaired Renal Function
NCT01418677
Irinotecan Plus E7820 Versus FOLFIRI in Second-Line Therapy in Patients With Locally Advanced or Metastatic Colon or Rectal Cancer
NCT01347645
E7050 in Combination With Cetuximab Versus Cetuximab Alone in the Treatment of Platinum-Resistant Squamous Cell Carcinoma of the Head and Neck
NCT01332266
Pharmacokinetic and Pharmacodynamic Study in Healthy Subjects Comparing the Interactions Between E5501 and Verapamil and Cyclosporine.
NCT01437384
Eribulin in Combination With Capecitabine for Adjuvant Treatment in Estrogen Receptor-Positive Early Stage Breast Cancer
NCT01439282
E7050 in Combination With Sorafenib Versus Sorafenib Alone as First Line Therapy in Participants With Hepatocellular Carcinoma
NCT01271504
Study of Rufinamide in Pediatric Subjects 1 to Less Than 4 Years of Age With Lennox-Gastaut Syndrome Inadequately Controlled With Other Anti-epileptic Drugs
NCT01405053
A Pharmacokinetic and Safety Study of E7080 in Subjects With Mild (10 mg), Moderate (10 mg), and Severe Hepatic Impairment (5 mg) and Normal Hepatic Function (10 mg)
NCT02421042
Efficacy Study of Pharmacokinetic(PK)/Pharmacodynamic(PD) Relationship of Monotherapy MORAb-004 in Metastatic Melanoma
NCT01335009
A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Trial of Lenvatinib (E7080) in 131I-Refractory Differentiated Thyroid Cancer (DTC)
NCT01321554
Phase 3 Study to Compare the Efficacy and Safety of Eribulin With Dacarbazine in Subjects With Soft Tissue Sarcoma
NCT01327885
Dose Dense Doxorubucin and Cyclophosphamide Followed by Eribulin Mesylate for the Adjuvant Treatment of Early Stage Breast Cancer
NCT01328249
Efficacy and Safety of Decitabine as Epigenetic Priming With Induction Chemotherapy in Pediatric Acute Myelogenous Leukemia (AML) Subjects
NCT01177540
A Study of Single-Agent Eribulin Mesylate as First-Line Therapy for Locally Recurrent or Metastatic Human Epidermal Growth Factor Receptor Two (HER2) Negative Breast Cancer
NCT01268150
A Pharmacokinetic Study to Assess the Influence of Simultaneous CYP3A4 and P-glycoprotein Inhibition on E7080 Pharmacokinetics Following Single Dose Oral Administration of 5 mg E7080 to Healthy Volunteers
NCT02198170
A Study to Characterize Pharmacokinetics (PK) and Pharmacodynamics (PD) of LUSEDRA® Administered as Continuous Infusion or Bolus Compared With Continuous Infusion of Propofol Injectable Emulsion
NCT01308541
Demonstrate Bioequivalence Between 6 ? 2-mg Tablets of Perampanel and a Single 12-mg Tablet of Perampanel in Healthy Subjects
NCT01396590
Evaluation of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of E2609 in Healthy Subjects and an Elderly Cohort
NCT01294540
Eribulin With Trastuzumab as First-line Therapy for Locally Recurrent or Metastatic HER2 Positive Breast Cancer
NCT01269346
A Study to Evaluate the Relative Bioavailability and Intra-Subject Variability of Two Lots of E5501 40 mg Tablets Administered Twice as Single Oral Doses to Healthy Subjects
NCT01289509
A Double-Blind Study in Healthy Volunteers to Assess the Effect of E7080 on the QTc Interval
NCT01525394
Demonstrate Bioequivalence Between 3 x 2-mg Tablets of Perampanel and a Single 6-mg Tablet of Perampanel in Healthy Subjects
NCT01396577
A Study in Subjects With Recurrent Malignant Glioma
NCT01137604
A PK/PD Study of Fospropofol Disodium Compared With Propofol Injectable Emulsion
NCT01260142
A Study to Assess the Transfer of Fospropofol and Its Active Metabolite, Propofol, to Breast Milk Following Administration of LUSEDRA to Lactating Women Undergoing a Needed Procedure
NCT01309984
Randomized, Placebo-controlled Study to Evaluate Effects of E5555 on Renal Function Parameters and OCT2 Activity
NCT01241669
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.