Bayer
Also known as: Bayer | BAYER | Bayer AG (Sponsor) | Bayer (collaborator) | BAYER HEALTHCARE | Bayer HealthCare LLC | BAYER HEALTHCARE LLC | Bayer HealthCare Pharmaceuticals Inc. | Bayer Healthcare Pharmaceuticals, Inc./Bayer Schering Pharma | BAYER HEALTHCARE PHARMS | BAYER HLTHCARE | Bayer/Onyx | BAYER PHARMS | BAYER S.p.A. - Italia | Bayer University Kano, Nigeria | Bayer (v1) | Bayer (v2) | Bayer Yakuhin, Ltd. | University of Goettingen, Section Neurobiology (Head: Prof. Dr. T. Bayer), Germany
Highest phase reached
Phase 4
First clinical trial
Dec 31, 1899
First marketed drug
Sep 15, 1949First NDA
Jun 25, 1965Last known activity
May 1, 2026
Timeline
1860s
- Jan 1, 1863
Bayer— Founded
1970s
- Apr 30, 1976
aluminum acetate— Marketing Organization
- Jan 1, 1979
Miles— Acquired
1990s
- Jan 1, 1995
Corporación Bonima S.A. de C.V.— Acquired
- Dec 10, 1999
moxifloxacin— NDA Organization
2000s
- Dec 7, 2001
butenafine— NDA Secondary Org
- Jan 1, 2009
Schering AG— Acquired
2010s
- Dec 19, 2013
Algeta ASA— Acquired
2020s
- Aug 11, 2020
NeRRe Therapeutics Ltd.— Acquired
- Oct 26, 2020
Asklepios BIoPharmaceutical— Acquired
- Jun 3, 2021
Noria Therapeutics— Acquired
- Jun 3, 2021
PSMA Development Corp, LLC— Acquired - Aug 5, 2021
Vividion Therapeutics— Acquired
- Aug 12, 2025
Kumquat Biosciences Inc.— Acquired
Drugs by trial phase (557 distinct, 1660 trials)
Phase 4 (119 own, 2 via acquisition)
Phase 3 (105 own, 5 via acquisition)
Phase 2 (163 own, 11 via acquisition)
Phase 1 (112 own, 13 via acquisition)
Other trials (27 own, 0 via acquisition)
Indications
Approved for
- Acne Vulgaris
- Adenocarcinoma, Follicular
- Amebiasis
- Bacterial Infections
- Bronchitis, Chronic
- Carcinoma, Hepatocellular
- Carcinoma, Renal Cell
- Clonorchis sinensis
- Colorectal Neoplasms
- Conjunctivitis, Allergic
- Conjunctivitis, Bacterial
- Contraception
- Cystitis
- Dermatitis
- Diabetes Mellitus, Type 2
- Dysentery
- Eczema
- Endometriosis
- Erectile Dysfunction
- Familial Primary Pulmonary Hypertension
- Gastrointestinal Neoplasms
- Headache
- Hemorrhage
- Hodgkin Disease
- Hypertension, Pulmonary
- Infections
- Lymphoma, Follicular
- Malaria
- Melanoma
- Menorrhagia
- Migraine Disorders
- Myocardial Infarction
- Otitis Externa
- Pain
- Plague
- Pneumonia
- Pregnancy
- Prostatic Neoplasms, Castration-Resistant
- Pruritus Ani
- Respiratory Tract Infections
- Schistosoma
- Schistosoma haematobium
- Schistosoma japonicum
- Sinusitis
- Spasm
- Stroke
- Subarachnoid Hemorrhage
- Thrombocytopenia
- Urinary Tract Infections
Studied for
- Abdominal Abscess
- Abscess
- Acalculous Cholecystitis
- Acne Vulgaris
- Acquired Immunodeficiency Syndrome
- Acute Coronary Syndrome
- Acute Disease
- Acute Lung Injury
- Acute Pain
- Adenocarcinoma
- Adenocarcinoma of Lung
- Altitude Sickness
- Alzheimer Disease
- Amyloidosis
- Anemia
- Anemia, Aplastic
- Anemia, Sickle Cell
- Angina Pectoris
- Angina, Stable
- Angina, Unstable
- Antiphospholipid Syndrome
- Aortic Valve Stenosis
- Apnea
- Arthritis, Rheumatoid
- Astrocytoma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Back Pain
- Bacterial Infections
- Bile Duct Neoplasms
- Biliary Tract Neoplasms
- Blood Coagulation Disorders
- Blood Loss, Surgical
- Bone Diseases
- Bone Diseases, Metabolic
- Bone Marrow Diseases
- Bone Neoplasms
- Brain Diseases
- Brain Neoplasms
- Breast Neoplasms
- Bronchiectasis
- Bronchitis
- Bronchitis, Chronic
- Calcinosis
- Candidiasis
- Candidiasis, Vulvovaginal
- Carcinoid Tumor
- Carcinoma
- Carcinoma, Adenoid Cystic
- Carcinoma, Ductal
- Carcinoma, Hepatocellular
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Ovarian Epithelial
- Carcinoma, Renal Cell
- Carcinoma, Small Cell
- Carcinoma, Squamous Cell
- Carcinoma, Transitional Cell
- Cardiomyopathies
- Cardiovascular Abnormalities
- Cardiovascular Diseases
- Carotid Stenosis
- Cellulitis
- Central Nervous System Diseases
- Central Nervous System Neoplasms
- Cerebral Infarction
- Chagas Disease
- Cholangiocarcinoma
- Cholecystitis
- Cholecystitis, Acute
- Cholera
- Choroidal Neovascularization
- Cognitive Dysfunction
- Colitis
- Colitis, Ulcerative
- Collagen Diseases
- Colonic Neoplasms
- Colorectal Neoplasms
- Common Cold
- Communicable Diseases
- Congenital Abnormalities
- Constipation
- Constriction, Pathologic
- Coronary Artery Disease
- Coronary Disease
- Coronary Stenosis
- Cough
- Cystic Fibrosis
- Depression
- Depressive Disorder
- Dermatitis
- Dermatitis, Atopic
- Dermatitis, Contact
- Dermatitis, Perioral
- Dermatitis, Photoallergic
- Dermatitis, Phototoxic
- Dermatitis, Seborrheic
- Diabetes Mellitus
- Diabetes Mellitus, Type 1
- Diabetes Mellitus, Type 2
Marketed drugs (78)
Subsidiaries (10 direct, 14 total across the full acquisition tree)
Recent trials (50)
- NCT03206931CollaboratorN/A—
- NCT06238583Lead sponsorN/A—
- NCT06761976Lead sponsorN/A—
- NCT07215403CollaboratorPhase 2May 1, 2026
- NCT07223567CollaboratorPhase 2Apr 30, 2026
- NCT07258173CollaboratorPhase 2Jan 15, 2026
- NCT07192952Lead sponsorPhase 3Jan 5, 2026
- NCT07071961CollaboratorPhase 2Jan 1, 2026
- NCT07282847CollaboratorPhase 1/Phase 2Dec 31, 2025
- NCT07270367CollaboratorPhase 3Dec 31, 2025
- NCT07142551CollaboratorPhase 2Dec 30, 2025
- NCT07298044Lead sponsorPhase 4Dec 22, 2025
- NCT07211685Lead sponsorPhase 2Dec 2, 2025
- NCT06904274Lead sponsorPhase 3Dec 1, 2025
- NCT07188805Lead sponsorPhase 3Nov 28, 2025
Details
- Founded
- Barmen, DE Jan 1, 1863
- First NDA
- Jun 25, 1965
- Last known activity
- May 1, 2026
Designations held
- Orphan drug
- Fast track
- Priority review
- Accelerated approval
Notes
1918- American assets of The Bayer Company acquired by Sterling Products Company