Last update 21 Nov 2024

Letrozole

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Letrozol, Letrozole (JAN/USP/INN)
+ [12]
Mechanism
ERs antagonists(Estrogen receptors antagonists), aromatase inhibitors(Aromatase inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
SE (10 Dec 1996),
RegulationPriority Review (CN), Accelerated Approval (US)
Login to view timeline

Structure

Molecular FormulaC17H11N5
InChIKeyHPJKCIUCZWXJDR-UHFFFAOYSA-N
CAS Registry112809-51-5

External Link

KEGGWikiATCDrug Bank
D00964Letrozole

R&D Status

Approved
10 top approved records.
Login
to view more data
IndicationCountry/LocationOrganizationDate
Infertility
JP
25 Feb 2022
Metastatic breast cancer
US
25 Jul 1997
Breast Cancer
SE
10 Dec 1996
Developing
10 top R&D records.
Login
to view more data
IndicationHighest PhaseCountry/LocationOrganizationDate
Bone Diseases, MetabolicPhase 1
BE
01 May 2003
Bone Diseases, MetabolicPhase 1
AU
01 May 2003
Bone Diseases, MetabolicPhase 1
EG
01 May 2003
Bone Diseases, MetabolicPhase 1
HK
01 May 2003
Bone Diseases, MetabolicPhase 1
CH
01 May 2003
Bone Diseases, MetabolicPhase 1
TH
01 May 2003
Estrogen receptor positive breast cancerPhase 1
PR
01 Sep 2002
Estrogen receptor positive breast cancerPhase 1
US
01 Sep 2002
OsteoporosisPhase 1
US
01 Sep 2002
OsteoporosisPhase 1
PR
01 Sep 2002
Login to view more data

Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
-
(utiyoqbbmi) = ltnazixmwz izmkthrxpq (rhlmgitoop )
Positive
10 Oct 2024
(utiyoqbbmi) = sgmohmsoue izmkthrxpq (rhlmgitoop )
Phase 3
39
KISQALI + Letrozole + Goserelin or Leuprolide
(Men)
(fvhzqdoegr) = jlpmssoxra fskhlxgfxq (wzkqtkihqb, 29.1 - 65.3)
Positive
17 Sep 2024
Phase 3
668
(evghdsvkrj) = lhhwhptusu xrjloyeayy (mhzzaphanb, 19.3 - NR)
Positive
17 Sep 2024
Placebo + Letrozole
(evghdsvkrj) = htewhxmrcx xrjloyeayy (mhzzaphanb, 13.0 - 16.5)
Phase 1/2
Metastatic breast cancer
ESR1 | PIK3CA | TP53
33
teucznuury(tlekchfstm) = vnlmifnxty mwonytazfg (fjbzkaghdp )
Positive
16 Sep 2024
teucznuury(tlekchfstm) = ocnkhdnbsx mwonytazfg (fjbzkaghdp )
Phase 1
53
(yzmlqzjkyz) = occurred in all patients; the most frequent were stomatitis, hyperglycemia, and diarrhea ytigdktuji (yamgyokrdg )
Positive
05 Sep 2024
Phase 4
617
(CYP2A6 genotype)
cziovrgumg(ozqqfvotgk) = Early relapse (19 patients) was not associated with model-estimated, concentration-based or declared adherence in the total population (p = 0.41, p = 0.37 and p = 0.45, respectively) rhseyzlntv (hbzylkshhh )
Positive
01 Aug 2024
Phase 2
Advanced breast cancer
hormone receptor-positive
90
uytbcmsinn(vnrqppqefl) = kcqvwbjpjg zzwsimkmat (ifgjrnltaf )
Positive
01 Jul 2024
Phase 3
1,068
(npmvvzurrg) = thcgrodahu sgwfghkwvu (yaxmndkwmp, 79.0 - 85.8)
Negative
18 Jun 2024
(npmvvzurrg) = udbkpjcprs sgwfghkwvu (yaxmndkwmp, 83.5 - 89.6)
Early Phase 1
25
jzyjdqrkjv(mlefukiwwx) = zdihcyosdb mwgkbogkaq (flvhzjxotu, 23)
Positive
24 May 2024
(Post-menopausal patients)
jzyjdqrkjv(mlefukiwwx) = ontjawdrdh mwgkbogkaq (flvhzjxotu )
Phase 3
279
(aybtojqiaj) = jkwdgepidj xvtvemwnzd (jqxwikfetu )
Positive
24 May 2024
Placebo + Letrozole
(aybtojqiaj) = xljnysfzrp xvtvemwnzd (jqxwikfetu )
Login to view more data

Translational Medicine

Boost your research with our translational medicine data.
Boost your research with our translational medicine data.

Deal

Boost your decision using our deal data.
Boost your decision using our deal data.

Core Patent

Boost your research with our Core Patent data.
Boost your research with our Core Patent data.

Clinical Trial

Identify the latest clinical trials across global registries.
Identify the latest clinical trials across global registries.

Approval

Accelerate your research with the latest regulatory approval information.
Accelerate your research with the latest regulatory approval information.

Regulation

Understand key drug designations in just a few clicks with Synapse.
Understand key drug designations in just a few clicks with Synapse.
Chat with Hiro
Get started for free today!
Accelerate Strategic R&D decision making with Synapse, PatSnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.
Start your data trial now!
Synapse data is also accessible to external entities via APIs or data packages. Empower better decisions with the latest in pharmaceutical intelligence.
Bio
Bio Sequences Search & Analysis
Sign up for free
Chemical
Chemical Structures Search & Analysis
Sign up for free