Abiraterone Acetate

Abiraterone acetate was first approved by the U.S. Food and Drug Administration (FDA) on April 28, 2011, then approved by European Medicine Agency (EMA) on September 5, 2011, and approved by Pharmaceuticals and Medicals Devices Agency of Japan (PMDA) on July 4, 2014. It was developed by Johnson & Johnson and marketed as Zytiga® by Johnson & Johnson in the US and EU, and by Johnson & Johnson and AstraZeneca in Japan.

Abiraterone acetate is a CYP17 inhibitor indicated in combination with prednisone for the treatment of patients with metastatic castration-resistant prostate cancer.

Zytiga® is available as tablet for oral use, containing 250 mg of free Abiraterone. The recommended dose is 1000 mg once daily in combination with prednisone 5 mg twice daily on an empty stomach.

General Information

Update Date:2016-03-08

Drug Name:
Abiraterone Acetate
Research Code:
CB-7630
Trade Name:
Zytiga®
MOA:
CYP17 inhibitor
Indication:
Metastatic castration-resistant prostate cancer (mCRPC)
Status:
Approved
Company:
Johnson & Johnson (Originator)
Sales:
$2,231 Million (Y2015);
$2,237 Million (Y2014);;
$1,698 Million (Y2013);;
$961 Million (Y2012);;
$301 Million (Y2011);
ATC Code:
L02BX03
Approved Countries or Area

Update Date:2015-07-29

Approval Date Approval Type Trade Name Indication Dosage Form Strength Company Review Classification
2011-04-28 Marketing approval Zytiga Metastatic castration-resistant prostate cancer (mCRPC) Tablet 250 mg Johnson & Johnson Priority
Approval Date Approval Type Trade Name Indication Dosage Form Strength Company Review Classification
2011-09-05 Marketing approval Zytiga Metastatic castration-resistant prostate cancer (mCRPC) Tablet 250 mg Janssen
Approval Date Approval Type Trade Name Indication Dosage Form Strength Company Review Classification
2014-07-04 Marketing approval Zytiga Metastatic castration-resistant prostate cancer (mCRPC) Tablet 250 mg Janssen, AstraZeneca
Chemical Structure

Update Date:2015-08-27

Molecular Weight 391.55
Formula C26H33NO2
CAS No. 154229-18-2 (Abiraterone Acetate);
Chemical Name (3β)17-(3-pyridinyl) androsta-5,16-dien-3-yl acetate
Abiraterone Acetate (Free Acid/Base)Parameters:
MW HD HA FRB* PSA* cLogP*
391.55 0 3 3 39.2 6.584±0.368
*:Calculated by ACD/Labs software V11.02.
Related Patents

Update Date:2015-11-17

Synthesis & Impurities

Update Date:2015-10-21




1. CN102627681A.

2. CN102838649A.

3. CN104370991A.

1
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity A C31H39NO8 553.64
2
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity B C25H33NO4S 443.6
3
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity C C25H33NO3S 427.6 1382475-35-5
4
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity D C26H33NO2 391.55
5
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity E C27H35NO2 405.57
6
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity F C26H33NO3 407.55
7
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity G C26H33N2O4 437.55
8
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity H C26H31NO3 405.53
9
Impurity Name: Molecular Formula: Molecular Weight: CAS No.:
Abiraterone acetate impurity I C24H29NO2 363.49 1416316-29-4