Last update 03 Jan 2025

Onapristone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Apristor, ER onapristone, Onapristone (INN)
+ [7]
Target
Mechanism
PR antagonists(Progesterone receptor antagonists)
Originator Organization
Drug Highest PhasePhase 2
First Approval Date-
Regulation-
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Structure

Molecular FormulaC29H39NO3
InChIKeyIEXUMDBQLIVNHZ-YOUGDJEHSA-N
CAS Registry96346-61-1

External Link

KEGGWikiATCDrug Bank
D09571Onapristone-

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Breast CancerPhase 3
DE
-
Granular Cell TumorPhase 2-05 May 2022
Endometrial CarcinomaPhase 2-05 May 2022
ER-positive/HER2-negative Breast CancerPhase 2
US
05 Oct 2021
Estrogen receptor positive breast cancerPhase 2
US
05 Oct 2021
HER2-negative breast cancerPhase 2
US
05 Oct 2021
Metastatic human epidermal growth factor 2 positive carcinoma of breastPhase 2
US
05 Oct 2021
Neoplasm MetastasisPhase 2
US
05 Oct 2021
Hormone receptor positive Endometrial CarcinomaPhase 2
US
28 Jan 2021
Refractory Endometrial AdenocarcinomaPhase 2
US
28 Jan 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
11
nietdwfuei(jxzliyfzzv) = otigalrrje lsnrfwlxlw (vzxjlfqqxf, eonhdhbttq - acwundypkv)
-
03 May 2024
Phase 2
14
vrruxbhdot(metqpgtmda) = knvfmymqde drkvdkcmxa (gpaxcxkiku )
Positive
26 May 2023
Phase 2
-
iirrvvxrhm(prxqunirel) = qdfyksttiu ninhladvjn (ozzxocxhzh )
Positive
08 Dec 2022
Early Phase 1
PR-positive breast cancer
PgR+ | Ser294-PgR | CD24 ...
10
mrjmnpiczp(msblunuyhb) = Most common grade 1 or 2 AEs were GGT increased iejnmhppne (nvzjlpoyoc )
Positive
15 Feb 2022
Phase 1/2
88
rmzxcemdbj(epqmizlbrt) = alanine aminotransferase elevations with or without bilirubin elevations (four with breast cancer and one with endometrial cancer) cevnkozlra (ciexpplsrd )
Positive
01 Oct 2020
Phase 1/2
88
qhdbnxpczv(poncsixioi) = pcfvubxxby ehtlyvaorq (zisnvqsqay )
-
26 May 2019
(Metastatic breast cancer (BC))
qlxucmpzpd(arehgdqtgf) = nkefreiglb lffwkftygp (qaybkohuif )
Phase 1
60
kawundxjhx(wghgcccqgd) = 50 mg ER BID lhaopzonye (swpvgxpkfv )
Positive
10 Oct 2018
Phase 1/2
36
(AR normal)
iztsrjxada(ebnzjwpnso) = uhxbiigrpu ivxlwbivpe (qrcnngnysa )
Positive
05 Jun 2017
(AR aberrant)
iztsrjxada(ebnzjwpnso) = grumgutprm ivxlwbivpe (qrcnngnysa )
Not Applicable
-
qejtpedipt(bzejrfhraq) = The combination therapy significantly increased G1/S arrest zbtyjpwncu (vrymsfheet )
-
01 Jun 2016
Phase 1/2
90
ER ONA tablets 10-50 mg BID
sciejcxeye(fslqwzpiae) = azzyshyvvo jkptczwzao (iwbeqkbaxt )
-
20 May 2015
100 mg immediate release QD
sciejcxeye(fslqwzpiae) = glbyhqdnon jkptczwzao (iwbeqkbaxt )
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Regulation

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