Organization Overview
Historical Acquisition Tree
Alternative names
alitretinoin (panretin) (1999)
altretamine (hexalen) (1990)
denileukin diftitox (ontak) (1999)
donepezil (aricept) (1996 NDA)
eribulin (halaven) (2010 NDA)
fospropofol (lusedra) (NDA)
LECANEMAB (Leqembi) (2023)
lemborexant (Dayvigo) (2019 NDA)
lenvatinib (lenvima) (2015 NDA)
lorcaserin (belviq) (2012)
perampanel (fycompa) (2012 NDA)
pilocarpine (ocusert) (1994)
rabeprazole (pariet) (1999)
rufinamide (banzel) (2008 NDA)
Key: Eisai (38) Acquired (1)
adalimumab (humira) (15 trials)
azacitidine (vidaza) (1 trial)
betahistine mesilate (1 trial)
Bunazosin (detantol) (1 trial)
carbamazepine (tegretol) (3 trials)
dalteparin (fragmin) (5 trials)
decitabine (dacogen) (32 trials)
denileukin diftitox (ontak) (14 trials)
eribulin (halaven) (69 trials)
fospropofol (lusedra) (19 trials)
lemborexant (Dayvigo) (27 trials)
lenvatinib (lenvima) (99 trials)
lidocaine (xylocaine) (1 trial)
Key: Eisai (52) Acquired (8)
11-valent recombinant human papilloma virus vaccine (1 trial)
adefovir dipivoxil (hepsera) (1 trial)
Belzutifan (Welireg) (2 trials)
bexarotene (targretin) (3 trials)
cabozantinib (cometriq) (1 trial)
capecitabine (xeloda) (7 trials)
carboplatin (paraplatin) (14 trials)
cisplatin (platinol) (8 trials)
cytarabine (cytosar-u) (4 trials)
docetaxel (taxotere) (7 trials)
doxorubicin (Doxil) (10 trials)
eltrombopag (promacta) (1 trial)
esomeprazole (nexium) (4 trials)
eszopiclone (lunesta) (3 trials)
fluorouracil (efudex) (7 trials)
gemcitabine (gemzar) (7 trials)
lamotrigine (lamictal) (1 trial)
LECANEMAB (Leqembi) (8 trials)
levoleucovorin (fusilev) (1 trial)
oxaliplatin (eloxatin) (5 trials)
pembrolizumab (keytruda) (32 trials)
pemetrexed (alimta) (7 trials)
Key: Eisai (61) Acquired (3)
4-peptide melanoma vaccine (1 trial)
benznidazole (Rochagan) (1 trial)
bevacizumab (avastin) (6 trials)
calcipotriene (dovonex) (1 trial)
cetuximab (erbitux) (3 trials)
clofarabine (clolar) (1 trial)
colfosceril palmitate (1 trial)
epirubicin (ellence) (1 trial)
etoposide (vepesid) (3 trials)
Filgrastim (neupogen) (1 trial)
fulvestrant (faslodex) (2 trials)
hyaluronidase (human recombinant) (Hylenex) (1 trial)
idarubicin (idamycin) (1 trial)
interferon alpha-2b (Intron-A) (3 trials)
irinotecan (Camptosar) (6 trials)
ixabepilone (ixempra) (1 trial)
panobinostat (farydak) (1 trial)
phosphatidylglycerol (1 trial)
prednisone (meticorten) (2 trials)
progesterone (progestasert) (1 trial)
rasagiline (azilect) (1 trial)
rimabotulinumtoxinB (Myobloc) (2 trials)
sargramostim (leukine) (2 trials)
tamoxifen (nolvadex) (1 trial)
tazemetostat (Tazverik) (2 trials)
temozolomide (temodar) (8 trials)
Key: Eisai (42) Acquired (3)
aducanumab (Aduhelm) (1 trial)
bupropion (wellbutrin) (1 trial)
diltiazem (cardizem) (2 trials)
epidermal growth factor (1 trial)
ethinyl estradiol (Estinyl) (2 trials)
Acute Coronary Syndrome (Phase 2)
Acute Disease (Phase 4)
Adenocarcinoma (Phase 3)
Adenocarcinoma, Follicular (Phase 2)
Adenocarcinoma of Lung (Phase 2)
Alzheimer Disease (Phase 4)
Amnesia (Phase 4)
Amyloidosis (Phase 3)
Amyotrophic Lateral Sclerosis (Phase 3)
Anemia, Sickle Cell (Phase 2)
Apnea (Phase 2)
Arthritis (Phase 4)
Arthritis, Juvenile (Phase 3)
Arthritis, Rheumatoid (Phase 4)
Asthma (Phase 4)
Back Pain (Phase 3)
Behcet Syndrome (Phase 3)
Biliary Tract Neoplasms (Phase 2)
Binge-Eating Disorder (Phase 3)
Blast Crisis (Phase 2)
Bone Neoplasms (Phase 1)
Brain Neoplasms (Phase 2)
Breast Neoplasms (Phase 4)
Breast Neoplasms, Male (Phase 2)
Bulimia (Phase 3)
CADASIL (Phase 2)
Carcinoma (Phase 4)
Carcinoma, Adenoid Cystic (Phase 2)
Carcinoma, Hepatocellular (Phase 4)
Carcinoma, Non-Small-Cell Lung (Phase 3)
Carcinoma, Ovarian Epithelial (Phase 2)
Carcinoma, Papillary (Phase 2)
Carcinoma, Renal Cell (Phase 3)
Carcinoma, Squamous Cell (Phase 2)
Carcinoma, Transitional Cell (Phase 3)
Cardiovascular Diseases (Phase 4)
Carpal Tunnel Syndrome (Phase 3)
Cartilage Diseases (Phase 1)
Central Nervous System Neoplasms (Phase 2)
Cerebral Infarction (Phase 4)
Cerebrovascular Disorders (Phase 4)
Cervical Intraepithelial Neoplasia (Phase 3)
Chagas Disease (Phase 2)
Cholangiocarcinoma (Phase 2)
Cognitive Dysfunction (Phase 4)
Colitis (Phase 3)
Colitis, Ulcerative (Phase 3)
Colonic Neoplasms (Phase 1)
Colonic Polyps (Phase 3)
Colorectal Neoplasms (Phase 2)
Coronary Artery Disease (Phase 2)
Coronary Disease (Phase 2)
Crohn Disease (Phase 3)
Dementia (Phase 4)
Dementia, Vascular (Phase 4)
Dermatitis (Phase 2)
Dermatitis, Atopic (Phase 2)
Diabetes Mellitus (Phase 4)
Diabetes Mellitus, Type 2 (Phase 4)
Diabetic Neuropathies (Phase 3)
Disease (Phase 3)
Disease Progression (Phase 3)
Dizziness (Phase 4)
Down Syndrome (Phase 3)
Duodenal Ulcer (Phase 3)
Dyskinesias (Phase 2)
Dyspepsia (Phase 3)
Dystonia (Phase 2)
Eczema (Phase 2)
Embolism (Phase 4)
Endometrial Neoplasms (Phase 3)
Epilepsies, Myoclonic (Phase 3)
Epilepsies, Partial (Phase 4)
Epilepsy (Phase 4)
Epilepsy, Complex Partial (Phase 3)
Epilepsy, Generalized (Phase 3)
Epilepsy, Reflex (Phase 2)
Epileptic Syndromes (Phase 2)
Erectile Dysfunction (Phase 2)
Esophageal Neoplasms (Phase 3)
Esophagitis (Phase 3)
Esophagitis, Peptic (Phase 4)
Essential Hypertension (Phase 4)
Eye Neoplasms (Phase 1)
Fallopian Tube Neoplasms (Phase 1)
Feeding and Eating Disorders (Phase 3)
Fibromyalgia (Phase 4)
Gastritis (Phase 4)
Gastroesophageal Reflux (Phase 4)
Gastrointestinal Hemorrhage (Phase 4)
Genital Neoplasms, Female (Phase 1)
Genital Neoplasms, Male (Phase 1)
Glioblastoma (Phase 2)
Glioma (Phase 2)
Gliosarcoma (Phase 2)
Headache (Phase 2)
Heartburn (Phase 4)
Hemangioendothelioma (Phase 2)
Hemangioendothelioma, Epithelioid (Phase 2)
Hemangiosarcoma (Phase 2)
Hepatitis (Phase 3)
Hepatitis B (Phase 3)
Hepatitis B, Chronic (Phase 3)
Hepatitis C (Phase 2)
Hepatitis C, Chronic (Phase 2)
Hepatitis, Chronic (Phase 3)
Hypersensitivity (Phase 2)
Hypertension (Phase 4)
Infarction (Phase 4)
Inflammation (Phase 2)
Inflammatory Bowel Diseases (Phase 1)
Inflammatory Breast Neoplasms (Phase 2)
Intestinal Diseases (Phase 1)
Kidney Diseases (Phase 4)
Kidney Failure, Chronic (Phase 4)
Kidney Neoplasms (Phase 2)
Lennox Gastaut Syndrome (Phase 3)
Leukemia (Phase 3)
Leukemia, Lymphocytic, Chronic, B-Cell (Phase 2)
Leukemia, Lymphoid (Phase 2)
Leukemia, Myeloid (Phase 3)
Leukemia, Myeloid, Acute (Phase 3)
Leukemia, Myelomonocytic, Acute (Phase 1)
Leukemia, Myelomonocytic, Chronic (Phase 2)
Leukemia, Myelomonocytic, Juvenile (Phase 2)
Lewy Body Disease (Phase 4)
Lip Neoplasms (Phase 1)
Liver Diseases (Phase 3)
Liver Neoplasms (Phase 2)
Low Back Pain (Phase 3)
Lung Diseases (Phase 4)
Lung Diseases, Obstructive (Phase 4)
Lung Neoplasms (Phase 3)
Lymphoma (Phase 4)
Lymphoma, B-Cell (Phase 2)
Lymphoma, Non-Hodgkin (Phase 2)
Lymphoma, T-Cell (Phase 4)
Lymphoma, T-Cell, Cutaneous (Phase 4)
Lymphoma, T-Cell, Peripheral (Phase 3)
Malaria (Phase 1)
Malnutrition (Phase 1)
Melanoma (Phase 3)
Memory Disorders (Phase 4)
Migraine Disorders (Phase 4)
Motor Neuron Disease (Phase 3)
Multiple Myeloma (Phase 2)
Muscle Cramp (Phase 3)
Mycoses (Phase 4)
Mycosis Fungoides (Phase 4)
Myelodysplastic Syndromes (Phase 4)
Myocardial Ischemia (Phase 2)
Myofascial Pain Syndromes (Phase 4)
Nausea (Phase 4)
Neoplasm Metastasis (Phase 2)
Neoplasms (Phase 2)
Neoplasms, Fibrous Tissue (Phase 2)
Neoplasms, Plasma Cell (Phase 2)
Neuralgia (Phase 3)
Neuralgia, Postherpetic (Phase 3)
Neuroendocrine Tumors (Phase 2)
Obesity (Phase 3)
Osteoporosis (Phase 4)
Osteoporosis, Postmenopausal (Phase 3)
Osteosarcoma (Phase 2)
Ovarian Neoplasms (Phase 2)
Overweight (Phase 4)
Pancreatic Neoplasms (Phase 4)
Papilloma (Phase 2)
Papillomavirus Infections (Phase 2)
Parkinson Disease (Phase 3)
Peripheral Nervous System Diseases (Phase 4)
Polyneuropathies (Phase 3)
Postoperative Nausea and Vomiting (Phase 4)
Preleukemia (Phase 4)
Prostatic Neoplasms (Phase 2)
Psoriasis (Phase 3)
Pulmonary Disease, Chronic Obstructive (Phase 4)
Pulmonary Embolism (Phase 4)
Purpura (Phase 3)
Purpura, Thrombocytopenic (Phase 3)
Purpura, Thrombocytopenic, Idiopathic (Phase 3)
Rectal Neoplasms (Phase 2)
Recurrence (Phase 3)
Renal Insufficiency (Phase 1)
Respiration Disorders (Phase 1)
Respiratory Tract Infections (Phase 2)
Rhabdomyosarcoma (Phase 2)
Salivary Gland Neoplasms (Phase 2)
Sarcoma (Phase 3)
Sarcoma, Ewing (Phase 2)
Sclerosis (Phase 3)
Seizures (Phase 4)
Sepsis (Phase 3)
Sezary Syndrome (Phase 4)
Shock, Septic (Phase 2)
Sleep Apnea, Obstructive (Phase 2)
Sleep Apnea Syndromes (Phase 2)
Small Fiber Neuropathy (Phase 2)
Soft Tissue Neoplasms (Phase 1)
Solitary Fibrous Tumors (Phase 2)
Spasm (Phase 3)
Spondylitis (Phase 3)
Spondylitis, Ankylosing (Phase 3)
Squamous Cell Carcinoma of Head and Neck (Phase 2)
Stomach Neoplasms (Phase 2)
Stomach Ulcer (Phase 4)
Syndrome (Phase 4)
Systemic Inflammatory Response Syndrome (Phase 2)
Thrombocytopenia (Phase 3)
Thromboembolism (Phase 4)
Thyroid Cancer, Papillary (Phase 2)
Thyroid Carcinoma, Anaplastic (Phase 2)
Thyroid Diseases (Phase 4)
Thyroid Neoplasms (Phase 4)
Torticollis (Phase 2)
Toxemia (Phase 3)
Triple Negative Breast Neoplasms (Phase 3)
Ulcer (Phase 4)
Urinary Bladder Neoplasms (Phase 2)
Urologic Neoplasms (Phase 1)
Uterine Cervical Dysplasia (Phase 3)
Venous Thromboembolism (Phase 4)
Vertigo (Phase 4)
Vitamin B 12 Deficiency (Phase 4)
Vomiting (Phase 4)
Weight Gain (Phase 4)
Weight Loss (Phase 4)