Exemestane
Aromasin, Exemestane (exemestane) is a small molecule pharmaceutical. Exemestane was first approved as Aromasin on 1999-10-21. It is used to treat breast neoplasms in the USA. The pharmaceutical is active against aromatase.
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Events
FDA approval date
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Completion date
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Commercial
Therapeutic Areas
Therapeutic Area | MeSH |
|---|---|
| neoplasms | D009369 |
| skin and connective tissue diseases | D017437 |
Trade Name
FDA
EMA
Aromasin, Exemestane (discontinued: Exemestane)
Labels
FDA
EMA
Brand Name | Status | Last Update |
|---|---|---|
| aromasin | New Drug Application | 2025-12-24 |
| exemestane | NDA authorized generic | 2025-12-24 |
Indications
FDA
EMA
Indication | Ontology | MeSH | ICD-10 |
|---|---|---|---|
| breast neoplasms | EFO_0003869 | D001943 | C50 |
Agency Specific
FDA
EMA
No data
Patent Expiration
No data
HCPCS
Code | Description |
|---|---|
| S0156 | Exemestane, 25 mg |
Clinical
Clinical Trials
384 clinical trials
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Indications Phases 4
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Breast neoplasms | D001943 | EFO_0003869 | C50 | 4 | 20 | 12 | 4 | 11 | 48 |
Indications Phases 3
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Recurrence | D012008 | — | — | — | 2 | 1 | — | — | 3 |
| Neoplasm metastasis | D009362 | EFO_0009708 | — | — | — | 1 | — | 1 | 2 |
| Male breast neoplasms | D018567 | — | — | — | — | 1 | — | — | 1 |
| Unilateral breast neoplasms | D000069584 | — | — | — | — | 1 | — | — | 1 |
Indications Phases 2
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Neoplasms | D009369 | — | C80 | — | 1 | — | — | — | 1 |
| Bone neoplasms | D001859 | EFO_0003820 | D16 | — | 1 | — | — | — | 1 |
| Triple negative breast neoplasms | D064726 | — | — | — | 1 | — | — | — | 1 |
Indications Phases 1
No data
Indications Without Phase
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Invasive hydatidiform mole | D002820 | — | D39.2 | — | — | — | — | 1 | 1 |
Epidemiology
Epidemiological information for investigational and approved indications
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Drug
General
| Drug common name | Exemestane |
| INN | exemestane |
| Description | Exemestane is a 17-oxo steroid that is androsta-1,4-diene-3,17-dione in which the hydrogens at position 6 are replaced by a double bond to a methylene group. A selective inhibitor of the aromatase (oestrogen synthase) system, it is used in the treatment of advanced breast cancer. It has a role as an EC 1.14.14.14 (aromatase) inhibitor, an antineoplastic agent, an environmental contaminant and a xenobiotic. It is a 17-oxo steroid and a 3-oxo-Delta(1),Delta(4)-steroid. It derives from a hydride of an androstane. |
| Classification | Small molecule |
| Drug class | antineoplastics (aromatase inhibitors) |
| Image (chem structure or protein) |  |
| Structure (InChI/SMILES or Protein Sequence) | C=C1C[C@@H]2[C@H](CC[C@]3(C)C(=O)CC[C@@H]23)[C@@]2(C)C=CC(=O)C=C12 |
Identifiers
| PDB | — |
| CAS-ID | 107868-30-4 |
| RxCUI | — |
| ChEMBL ID | CHEMBL1200374 |
| ChEBI ID | 4953 |
| PubChem CID | 60198 |
| DrugBank | DB00990 |
| UNII ID | NY22HMQ4BX (ChemIDplus, GSRS) |
Target
Agency Approved
CYP19A1
CYP19A1
Organism
Homo sapiens
Gene name
CYP19A1
Gene synonyms
ARO1, CYAR, CYP19
NCBI Gene ID
Protein name
aromatase
Protein synonyms
CYPXIX, Cytochrome P-450AROM, Cytochrome P450 19A1, cytochrome P450, family 19, subfamily A, polypeptide 1, cytochrome P450, subfamily XIX (aromatization of androgens), Estrogen synthase, estrogen synthetase, flavoprotein-linked monooxygenase, microsomal monooxygenase
Uniprot ID
Mouse ortholog
Cyp19a1 (13075)
aromatase (P28649)
Alternate
No data
Variants
No data
Financial
Revenue by drug
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Aromasin – Pfizer
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Estimated US medical usage
Exemestane
Total medical expenditures per year (USD, in millions)
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Number of persons purchased
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Number of purchases
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Refill frequency
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Price per prescription (USD)
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Trends
PubMed Central
Top Terms for Disease or Syndrome:
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Additional graphs summarizing 9,408 documents
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Safety
Black-box Warning
No Black-box warning
Adverse Events
Top Adverse Reactions
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15,012 adverse events reported
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