OnCo

Abiraterone + prednisone with ADT

Checked 2026-09-09

High-risk metastatic hormone-sensitive (LATITUDE, STAMPEDE) or castration-resistant prostate cancer

One cycle

every 28 days
1781415212228Abiraterone acetate: 1,000 mg once daily on an empty stomach, OralAbiraterone acetatePrednisone: 5 mg once daily (twice daily in castration-resistant disease), OralPrednisoneGnRH agonist or antagonist: per depot schedule, SubcutaneousGnRH agonist or antagon…
28-day cycle, until progressionOralSubcutaneous Daily oral course

Components

DrugDoseRouteDays
Abiraterone acetate
Small-molecule CYP17A1 inhibitor
1,000 mg once daily on an empty stomachOralD1-28
Prednisone
5 mg once daily (twice daily in castration-resistant disease)OralD1-28
GnRH agonist or antagonist
GnRH agonist depot
per depot scheduleSCD1
Cycles
until progression
28-day cycle
Emetogenicity
Minimal (<10%)
G-CSF
Not routine

Notes

  • Food increases exposure up to tenfold; take at least 1 hour before or 2 hours after a meal.
  • Monitor potassium, blood pressure and liver enzymes; hypokalaemia and hypertension are mineralocorticoid effects.

Used in

Source

LATITUDE, NEJM 2017

Reference doses for a typical adult from the cited protocol or label. Doses are adjusted for renal and hepatic function, age, performance status and prior toxicity, and institutional protocols vary. Verify against the current label and your local protocol before treating. Not medical advice.

Other regimens for these cancers