Pfizer
Also known as: Alpharma Pharmaceuticals LLC, a subsidiary of Pfizer Inc. | Altmarc Inc. | Hospira Inc., a Pfizer Company | Hospira, now a wholly owned subsidiary of Pfizer | KING PFIZER | King Pharmaceuticals is now a wholly owned subsidiary of Pfizer | Lederle-Praxis Biologicals | Medical Director; Pfizer, Inc. | Medivation, Inc., a wholly owned subsidiary of Pfizer Inc. | Medivation is now a wholly owned subdiary of Pfizer, Inc. | Parke-Davis, a Division of Pfizer Inc. | PFIPHARMECS | Pfizer | PFIZER | Pfizer, Berlin Germany | Pfizer Clinical Research Unit | PFIZER CONS HLTHCARE | Pfizer CT.gov Call Center | PFIZER GLOBAL | Pfizer Inc. | Pfizer, Inc. | PFIZER INC | Pfizer Incorporated - Ann Arbor | Pfizer Inc., U.S. Pharmaceuticals Group | Pfizer Independent Grants for Learning and Change | PFIZER IRELAND | Pfizer Ireland Pharmaceuticals | PFIZER IRELAND PHARMACEUTICALS | PFIZER LABS | PFIZER PHARMS | PF PRISM CV | ROERIG | The BMS/Pfizer Japan Thrombosis Investigator Initiated Research Program | Wyeth is now a wholly owned subsidiary of Pfizer
Highest phase reached
Phase 4
First clinical trial
Jun 1, 1984First marketed drug
Feb 18, 1946First NDA
Jan 21, 1953Last known activity
Aug 1, 2026
Timeline
1840s
- Jan 1, 1849
Pfizer— Founded
1990s
2000s
- Jan 1, 2000
Warner Lambert— Acquired
- Apr 16, 2003
Pharmacia— Acquired
- Jan 1, 2005
Angiosyn— Acquired
- Jan 1, 2005
Bioren— Acquired
- Jan 1, 2005
Vicuron Pharmaceuticals— Acquired
- May 15, 2006
Rinat Neuroscience Corporation— Acquired
- Oct 9, 2006
PowderMed— Acquired
- Jan 1, 2007
Biorexis— Acquired
- Nov 16, 2007
Coley Pharmaceutical Group— Acquired
- Jan 1, 2008
CovX— Acquired
- Jan 1, 2008
Encysive— Acquired
- Jan 1, 2008
Serenex— Acquired
- Oct 15, 2009
American Home Products— Acquired
2010s
- Jan 1, 2010
Foldrx— Acquired
- Jan 1, 2010
King Pharmaceuticals— Acquired
- Jan 1, 2011
Excaliard Pharmaceuticals— Acquired
- Jan 1, 2011
ICAgen— Acquired
- Jan 1, 2011
Symbiotics Corp— Acquired
- Jan 1, 2012
Alacer Corp— Acquired
- Jan 1, 2012
NextWave Pharmaceuticals— Acquired
- Jan 1, 2014
InnoPharma— Acquired
- Jan 1, 2015
Hospira— Acquired - Jan 1, 2015
Redvax— Acquired
- Jan 13, 2016
Sirio Pharma— Acquired - Jun 24, 2016
Anacor— Acquired
- Jul 25, 2016
BIND Therapeutics— Acquired - Sep 28, 2016
Medivation— Acquired
- Apr 27, 2018
glasdegib— NDA Organization
- May 8, 2019
Therachon— Acquired
- Jun 17, 2019
Array BioPharma— Acquired
2020s
- Apr 28, 2021
Amplyx Pharmaceuticals— Acquired
- Aug 23, 2021
Trillium Therapeutics Inc.— Acquired
- Dec 13, 2021
Arena Pharmaceuticals— Acquired
- Apr 7, 2022
ReViral Ltd— Acquired
- May 11, 2022
Biohaven Pharmaceuticals Inc.— Acquired
- Aug 8, 2022
Global Blood Therapeutics, Inc.— Acquired
- Mar 13, 2023
Seattle Genetics— Acquired
- Nov 12, 2025
Metsera— Acquired
Drugs by trial phase (1283 distinct, 5311 trials)
Phase 4 (131 own, 160 via acquisition)
Phase 3 (130 own, 128 via acquisition)
Phase 2 (228 own, 102 via acquisition)
Phase 1 (257 own, 104 via acquisition)
Indications
Approved for
- Acne Vulgaris
- Amyloid Neuropathies, Familial
- Angina Pectoris
- Angina Pectoris, Variant
- Angina, Stable
- Anxiety
- Appendicitis
- Arrhythmias, Cardiac
- Arthritis, Rheumatoid
- Aspergillosis
- Asthma
- Atrial Fibrillation
- Bacteroides Infections
- Bartonella Infections
- Bipolar Disorder
- Breast Neoplasms
- Bronchitis
- Bronchitis, Chronic
- Campylobacter Infections
- Candidemia
- Candidiasis
- Candidiasis, Vulvovaginal
- Carcinoma, Merkel Cell
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Renal Cell
- Cluster Headache
- Coronary Artery Disease
- Cystic Fibrosis
- Diabetes Insipidus
- Diabetes Mellitus, Type 2
- Diabetic Neuropathies
- Edema
- Erectile Dysfunction
- Eye Diseases
- Eye Infections
- Familial Primary Pulmonary Hypertension
- Fibromyalgia
- Fusarium
- Gastrointestinal Stromal Tumors
- Gonorrhea
- Gout
- Granuloma Inguinale
- Haemophilus influenzae
- Heart Failure
- HIV Infections
- Hot Flashes
- Hypercalcemia
- Hypercholesterolemia
- Hyperlipidemias
- Hypertension
- Hypertension, Pulmonary
- Infections
- Intraabdominal Infections
- Leukemia, Myeloid, Acute
- Major Depressive Disorder
- Meningitis, Bacterial
- Meningitis, Cryptococcal
- Migraine Disorders
- Moraxella catarrhalis
- Motion Sickness
- Multiple Sclerosis
- Mycobacterium tuberculosis
- Myocardial Infarction
- Nausea
- Neuralgia
- Neuralgia, Postherpetic
- Neuroendocrine Tumors
- Neurotic Disorders
- Obsessive-Compulsive Disorder
- Osteoarthritis
- Osteoporosis, Postmenopausal
- Otitis Media
- Panic Disorder
- Pelvic Inflammatory Disease
- Peptostreptococcus
- Periodontitis
- Peritonitis
- Pharyngitis
- Phobic Disorders
- Pneumonia
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma
- Premenstrual Dysphoric Disorder
- Proctitis
- Prostatic Hyperplasia
- Pruritus
- Raynaud Disease
- Respiratory Tract Infections
- Rocky Mountain Spotted Fever
- Rosacea
- Scedosporium
- Schistosoma mansoni
- Schizophrenia
- Seizures
- Sepsis
- Sinusitis
- Skin Diseases
- Skin Diseases, Bacterial
- Skin Diseases, Infectious
- Smoking
- Staphylococcal Skin Infections
Studied for
- Abdominal Abscess
- Abdominal Pain
- Abscess
- Acalculous Cholecystitis
- Achondroplasia
- Acne Vulgaris
- Acquired Immunodeficiency Syndrome
- Acromegaly
- Acute Coronary Syndrome
- Acute Disease
- Acute Kidney Injury
- Acute Pain
- Adenocarcinoma
- Adenocarcinoma, Follicular
- Adenocarcinoma of Lung
- Adenoma
- Adenoma, Islet Cell
- Adenomatous Polyposis Coli
- Adenomatous Polyps
- Adrenal Cortex Neoplasms
- Adrenocortical Carcinoma
- Aggression
- Agoraphobia
- AIDS-Related Complex
- Albuminuria
- Alcohol Drinking
- Alcoholic Intoxication
- Alcoholism
- Alopecia
- Alopecia Areata
- Alzheimer Disease
- Amnesia
- Amyloid Neuropathies
- Amyloid Neuropathies, Familial
- Amyloidosis
- Amyotrophic Lateral Sclerosis
- Anemia
- Anemia, Aplastic
- Anemia, Iron-Deficiency
- Anemia, Sickle Cell
- Aneurysm
- Angina Pectoris
- Angina, Stable
- Angina, Unstable
- Angiofibroma
- Ankle Injuries
- Anxiety Disorders
- Aortic Aneurysm
- Aortic Aneurysm, Thoracic
- Aortic Valve Stenosis
- Aphasia
- Appendicitis
- Arrhythmias, Cardiac
- Arteriosclerosis
- Arthritis
- Arthritis, Gouty
- Arthritis, Juvenile
- Arthritis, Psoriatic
- Arthritis, Rheumatoid
- Aspergillosis
- Asthma
- Astrocytoma
- Ataxia
- Atherosclerosis
- Atrial Fibrillation
- Atrophic Vaginitis
- Atrophy
- Attention Deficit and Disruptive Behavior Disorders
- Attention Deficit Disorder with Hyperactivity
- Autistic Disorder
- Autonomic Dysreflexia
- Avitaminosis
- Back Pain
- Bacteremia
- Bacterial Infections
- Barrett Esophagus
- Behavior, Addictive
- Bell Palsy
- Bile Duct Neoplasms
- Bipolar Disorder
- Birth Weight
- Blast Crisis
- Blastomycosis
- Body Weight
- Bone Diseases
- Bone Diseases, Metabolic
- Bone Neoplasms
- Borderline Personality Disorder
- Brain Injuries
- Brain Injuries, Traumatic
- Brain Ischemia
- Brain Neoplasms
- Brain Stem Infarctions
- Breast Carcinoma In Situ
- Breast Neoplasms
- Breast Neoplasms, Male
- Bronchial Diseases
- Bronchitis
- Bronchitis, Chronic
- Burns
Marketed drugs (210)
Subsidiaries (38 direct, 84 total across the full acquisition tree)
- Alacer Corp
- American Home Products
- Amplyx Pharmaceuticals
- Anacor
- Angiosyn
- Arena Pharmaceuticals
- Array BioPharma
- BIND Therapeutics
- Biohaven Pharmaceuticals Inc.
- Bioren
- Biorexis
- Coley Pharmaceutical Group
- CovX
- Encysive
- Excaliard Pharmaceuticals
- Foldrx
- Global Blood Therapeutics, Inc.
- Hospira
- ICAgen
- InnoPharma
- King Pharmaceuticals
- Medivation
- Metsera
- NextWave Pharmaceuticals
- Pharmacia
- PowderMed
- Redvax
- ReViral Ltd
- Rinat Neuroscience Corporation
- Seattle Genetics
- Serenex
- Sirio Pharma
- Sorin
- Symbiotics Corp
- Therachon
- Trillium Therapeutics Inc.
- Vicuron Pharmaceuticals
- Warner Lambert
- Adria Laboratories L2
- Agouron L2
- AH Robins L2
- Alpharma L2
- American Cyanamid L2
- Apollon L2
- Ayerst, McKenna and Harrison L2
- Cascadian Therapeutics Inc. L2
- Fluorinov Pharma L2
- Genetics Institute L2
- GLyPharma Therapeutic L2
- Javelin Pharmaceuticals L2
- Jones Medical Industries L2
- Jones Pharma L2
- Kleo Pharmaceuticals L2
- Lambert L2
- Meridien Medical Technologies, Inc. L2
- Monarch Pharmaceuticals L2
- Monsanto L2
- Nepera Chemical Company L2
- Orchid Pharma L2
- Parke-Davis L2
- Pharmacia & Upjohn L2
- Sensus L2
- Sherwood Medical L2
- Stem Cell Therapeutics Corp. L2
- Texas Pharmacal L2
- Theradoc L2
- Thiakis Ltd L2
- Warner L2
- Wilkinson Sword L2
- Wyeth L2
- Abana L3
- Davis & Geck L3
- Fort Dodge Serum Company L3
- G D Searle L3
- Kabi Pharmacia L3
- Lederle L3
- Praxis Biologics L3
- Sugen L3
- Upjohn L3
- Farmitalia Carlo Erba L4
- Kabi Vitrum L4
- Will Ross, Inc. L4
- Kabi L5
- Vitrum L5
Recent trials (50)
- NCT05238311Lead sponsorN/A—
- NCT05462639Lead sponsorN/A—
- NCT05462639Study directorN/A—
- NCT05466578Lead sponsorN/A—
- NCT05650476Lead sponsorN/A—
- NCT06025227Lead sponsorN/A—
- NCT05522556Lead sponsorN/A—
- NCT04564755Lead sponsorN/A—
- NCT04564755Study directorN/A—
- NCT06832865CollaboratorPhase 2Aug 1, 2026
- NCT07247097CollaboratorPhase 2Apr 15, 2026
- NCT07123090CollaboratorPhase 2Feb 28, 2026
- NCT07226089CollaboratorPhase 3Feb 28, 2026
- NCT07269301Lead sponsorPhase 1Dec 15, 2025
- NCT07269301OfficialPhase 1Dec 15, 2025
Details
- Founded
- Brooklyn, NY, US Jan 1, 1849
- First NDA
- Jan 21, 1953
- Last known activity
- Aug 1, 2026
Designations held
- Orphan drug
- Fast track
- Priority review
- Breakthrough therapy
- Accelerated approval