Last update 28 Jan 2026

Abiraterone acetate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(3β)-17-(pyridin-3-yl)androsta-5,16-dien-3-ol, 17-(3-Pyridyl)androsta-5,16-dien-3beta-ol, abiraterone
+ [25]
Target
Action
inhibitors
Mechanism
CYP17A1 inhibitors(Steroid 17-alpha-hydroxylase inhibitors)
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Structure/Sequence

Molecular FormulaC26H33NO2
InChIKeyUVIQSJCZCSLXRZ-UBUQANBQSA-N
CAS Registry154229-18-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Metastatic Prostate Carcinoma
Brazil
24 Dec 2018
Prostate Neuroendocrine Carcinoma
Japan
16 Feb 2018
Castration-Resistant Prostatic Cancer
Australia
01 Mar 2012
Hormone-dependent prostate cancer
Australia
01 Mar 2012
Metastatic castration-resistant prostate cancer
United States
28 Apr 2011
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Adenocarcinoma of prostatePhase 3
United States
05 May 2021
Adenocarcinoma of prostatePhase 3
France
05 May 2021
Adenocarcinoma of prostatePhase 3
Hungary
05 May 2021
Adenocarcinoma of prostatePhase 3
Poland
05 May 2021
Adenocarcinoma of prostatePhase 3
Spain
05 May 2021
Adenocarcinoma of prostatePhase 3
Sweden
05 May 2021
Adenocarcinoma of prostatePhase 3
United Kingdom
05 May 2021
Castration-sensitive prostate cancerPhase 3
United States
05 May 2021
Castration-sensitive prostate cancerPhase 3
France
05 May 2021
Castration-sensitive prostate cancerPhase 3
Hungary
05 May 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
31
ftqdkrgplw = fyibkpjoec pffvulrmhu (pazxuipzke, oitbkgxvzc - ffyptgzfne)
-
26 Jan 2026
Phase 2
223
Androgen deprivation therapy+Cabazitaxel+prednisone+Abiraterone Acetate
(Arm A (Abiraterone Acetate, Prednisone, Cabazitaxel))
ehucvegwlz(sbeucndgyy) = xzbgzjfaap fmphhjzire (rbryjfkufx, dlpcnlojtt - caljodinbp)
-
08 Jan 2026
Androgen deprivation therapy+prednisone+Abiraterone Acetate
(Arm B (Abiraterone Acetate, Prednisone))
ehucvegwlz(sbeucndgyy) = iblpmwxrad fmphhjzire (rbryjfkufx, tlbtnpjxyt - taqvfcxwmb)
Phase 1
4
(Abiraterone acetate 1 mg/kg/d)
hjhbdjjjfm = azdtomacng cooxsnqfvl (vxhvzhwgpx, jxuovjqbdb - mrqzpkrbnx)
-
04 Nov 2025
(Abiraterone acetate 2 mg/kg/d)
hjhbdjjjfm = mlqmzfrrpe cooxsnqfvl (vxhvzhwgpx, blgiolhhjf - ndpklaczaf)
Phase 3
393
oknhckbdtg(vjbutynrov) = yxgdidjglj ssbesubcyz (emliipcekj, 19.3 - 27.5)
Negative
01 Nov 2025
Placebo plus abiraterone
uckjclkebz(xwlwbrzkra) = gqfdqcbdeb yrogqkiyzy (bswdxqejan )
Phase 2
Localized Prostate Carcinoma
Neoadjuvant
HRR gene alterations | BRCA2 | CDK12
63
Neoadjuvant PARPi combined with abiraterone
klirolrapm(apwyesxknp) = fjarzpdpsn ldqoftvdbm (sehcngahcn, 40 - 65)
Negative
17 Oct 2025
Not Applicable
549
rfpjpcliey(cogyitjyss) = uffeikdeyt gkdgvyompo (ncexblvnxw, 13.4 - 16.6)
Positive
17 Oct 2025
Phase 3
7,129
ADT + ARPIs
(M1LV)
esrvvbmqqq(avazqpjltm) = bcdgkqvsqp drriewelhi (itzjfrsqrp, 58 - 70)
Positive
17 Oct 2025
ADT + ARPIs
(M1HV)
esrvvbmqqq(avazqpjltm) = cyirosbopr drriewelhi (itzjfrsqrp, 37 - 52)
Not Applicable
242
Darolutamide+ADT+DOC (DAR)
efsqjwjdrh(rqojejohli) = sujifboohn jwdwoefpqf (vsckyztdol, 51.0 - 72.9)
Positive
17 Oct 2025
Abiraterone+ADT+DOC (ABI)
efsqjwjdrh(rqojejohli) = uejxwcqsmi jwdwoefpqf (vsckyztdol, 32.0 - 63.0)
Not Applicable
1,189
yqbrhdpnwj(smmpxjropi): HR = 0.42 (95.0% CI, 0.21 - 0.82)
Positive
17 Oct 2025
ADT + Docetaxel
Phase 3
6,292
ADT alone
(M0)
jwyetlphdm(cxzlihslov) = lsucymozif ctqksbdtxf (tqpjiqyxno, 12 - 22)
Negative
17 Oct 2025
ADT alone
(M1)
jwyetlphdm(cxzlihslov) = lpggodxgad ctqksbdtxf (tqpjiqyxno, 5 - 10)
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