Who are Abiraterone acetate, Prednisolone's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Abiraterone acetate and prednisone, Abiraterone + Prednisolone/Prednisone.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

How do I get this as a recurring report?

Subscribe to /feed/ci/abiraterone-acetate-prednisolone.xml in any RSS reader (Feedly, Inoreader, NewsBlur). Every regulatory action, trial readout, or patent event lands in your feed automatically.

Last reviewed 2026-05-16 · How we verify

Abiraterone acetate, Prednisolone — Competitive Intelligence Brief

Abiraterone acetate, Prednisolone (Abiraterone acetate, Prednisolone) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: CYP17A1 inhibitor (androgen synthesis inhibitor). Area: Oncology.

phase 2 CYP17A1 inhibitor (androgen synthesis inhibitor) CYP17A1 (17α-hydroxylase/17,20-lyase) Oncology Small molecule Live · refreshed every 30 min

Target snapshot

Abiraterone acetate, Prednisolone (Abiraterone acetate, Prednisolone) — Cancer Trials Ireland. Abiraterone acetate inhibits CYP17A1 to block androgen synthesis, while prednisolone suppresses adrenocorticotropic hormone feedback to further reduce testosterone production in castration-resistant prostate cancer.

Comparator set (2 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
Abiraterone acetate, Prednisolone TARGET	Abiraterone acetate, Prednisolone	Cancer Trials Ireland	phase 2	CYP17A1 inhibitor (androgen synthesis inhibitor)	CYP17A1 (17α-hydroxylase/17,20-lyase)
Abiraterone acetate and prednisone	Abiraterone acetate and prednisone	Janssen Research & Development, LLC	phase 3	CYP17A1 inhibitor (androgen synthesis inhibitor)	CYP17A1 (17α-hydroxylase/17,20-lyase)
Abiraterone + Prednisolone/Prednisone	Abiraterone + Prednisolone/Prednisone	AstraZeneca	phase 3	CYP17A1 inhibitor (androgen synthesis inhibitor) + glucocorticoid	CYP17A1 (17α-hydroxylase/17,20-lyase)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (CYP17A1 inhibitor (androgen synthesis inhibitor) class)

Cancer Trials Ireland · 1 drug in this class
Janssen Research & Development, LLC · 1 drug in this class

Subscribe to ongoing alerts

Push every new event for this competitive set into your RSS reader, IFTTT/Zapier workflow, or email digest:

Cite this brief

Drug Landscape (2026). Abiraterone acetate, Prednisolone — Competitive Intelligence Brief. https://druglandscape.com/ci/abiraterone-acetate-prednisolone. Accessed 2026-05-16.

Build your own brief

Pick any drug + add comparators:

https://druglandscape.com/ci/{slug} — auto-detected competitors
https://druglandscape.com/ci/{slug}?vs=drug1,drug2,drug3 — explicit comparators
Brand names auto-resolve: /ci/keytruda → 301 → /ci/pembrolizumab