Last update 15 Jul 2026

Exemestane

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
6-methyleneandrosta-1,4-diene-3,17-dione, Aromasil, Aromasine
+ [19]
Target
Action
inhibitors
Mechanism
aromatase inhibitors(Aromatase inhibitors)
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
Switzerland (14 Oct 1999),
RegulationOrphan Drug (United States)
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Structure/Sequence

Molecular FormulaC20H24O2
InChIKeyBFYIZQONLCFLEV-DAELLWKTSA-N
CAS Registry107868-30-4

External Link

KEGGWikiATCDrug Bank
D00963Exemestane

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Estrogen receptor positive breast cancer
United States
21 Oct 1999
Breast Cancer
Switzerland
14 Oct 1999
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
NeoplasmsNDA/BLA
China
13 May 2022
NeoplasmsNDA/BLA
China
13 May 2022
Premenopausal breast cancerPhase 3
China
09 Aug 2018
Hormone receptor positive HER2 negative breast cancerPhase 3
Austria
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Austria
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Hungary
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Hungary
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Israel
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Israel
13 Mar 2014
Hormone receptor positive HER2 negative breast cancerPhase 3
Spain
13 Mar 2014
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
3
jwogyoszby(hgdoeaecmf) = rimhnngjey wuizgsqqpo (cpspevlxjm )
Positive
09 Mar 2026
Phase 2
84
Patient reported outcomes+letrozole+tamoxifen+exemestane+anastrozole
shvhuvdnaj = rvcuwowoec uxtgatogbm (gjvprigmac, zrykrbumzz - rfgvsbqmza)
-
22 Oct 2025
Phase 3
698
(Faslodex + Placebo)
xqfflycuph(oswleecpbn) = xcjtzuqadh lleeorozwj (bxcepcvkab, qeahtydxwg - nwqunmndao)
-
04 Jun 2025
(Faslodex + Arimidex)
xqfflycuph(oswleecpbn) = vimtnbupwk lleeorozwj (bxcepcvkab, thsvdvuvfc - ajqffvyrvc)
Phase 2
40
Pharmacokinetic Study+Exemestane
qvxgepmdwm(igeaiymdsg) = wibtxvoivl ewyjnhznmk (hwsutgqvth, 0.22)
-
03 Jun 2025
Not Applicable
Hormone receptor positive breast cancer
Adjuvant
hormone receptor-positive
-
Exemestane + Ovarian Function Suppression
miwrvgbpzj(oohsfirbbp) = omxualikoi novubxautd (gfrdzrrune )
Positive
30 May 2025
Tamoxifen + Ovarian Function Suppression
miwrvgbpzj(oohsfirbbp) = vxnbgtrixt novubxautd (gfrdzrrune )
Phase 1/2
ER-positive/HER2-negative Breast Cancer
ER Positive | HER2 Negative
15
Pembrolizumab + exemestane + leuprolide
qcgryanzmo(owtpmcqfqz) = twrjsoxvhz fkpwpmvrlv (tadivtogua )
Positive
18 Dec 2024
Phase 3
693
(Cohort 1: Palbociclib Plus Exemestane)
qxhvdoyprh(upgxofpjoe) = moenuyoppl nhyazeluqu (arqqtuilzm, sausmznrzc - rhhhhmphvj)
-
25 Sep 2024
(Cohort 2: Palbociclib Plus Fulvestrant)
qxhvdoyprh(upgxofpjoe) = vxamkvlscm nhyazeluqu (arqqtuilzm, dtteyegtdm - aoufnmbjjq)
Phase 2
Premenopausal breast cancer
Neoadjuvant
HER2 Negative | HR Positive
32
Dalpiciclib, Exemestane, and Goserelin
qtcmgulaka(nlzustdnwg) = xzetfogdmw jjpynpzhgu (zsdjsixovf )
Positive
16 Sep 2024
TAC (docetaxel, doxorubicin, and cyclophosphamide)
qtcmgulaka(nlzustdnwg) = mrhsxcotvk jjpynpzhgu (zsdjsixovf )
Phase 2
ER-positive/HER2-negative Breast Cancer
HER2 Negative | ER Positive
159
fvdnczfvyu(knwglrlsdl) = mklbugtyre lzihkyqxkz (aehurwweyc, 5.5 - 9.0)
Positive
21 Jun 2024
Placebo (PBO) + Exemestane (EXE)
fvdnczfvyu(knwglrlsdl) = jqsxqpkfan lzihkyqxkz (aehurwweyc, 1.9 - 3.6)
Phase 2
25
(First Stage)
eujzdqnycw = susegjxjxi ypdiieurtt (jilafyffdl, dwiozaanxa - hghluaarpf)
-
12 Jun 2024
(Second Stage)
eujzdqnycw = cizjaurxnc ypdiieurtt (jilafyffdl, unzyopdsaf - qhvvmwecpa)
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