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Anastrozole (Arimidex) — Competitive Intelligence Brief

Anastrozole (Arimidex) (Anastrozole (Arimidex)) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Aromatase inhibitor. Area: Oncology.

phase 3 Aromatase inhibitor Aromatase (CYP19A1) Oncology Small molecule Live · refreshed every 30 min

Target snapshot

Anastrozole (Arimidex) (Anastrozole (Arimidex)) — University of British Columbia. Anastrozole is a non-steroidal aromatase inhibitor that blocks the conversion of androgens to estrogen in postmenopausal women.

Comparator set (6 drugs)

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

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Anastrozole (Arimidex) TARGET Anastrozole (Arimidex) University of British Columbia phase 3 Aromatase inhibitor Aromatase (CYP19A1)
Kisqali ribociclib Novartis marketed CDK4/6 inhibitor; aromatase inhibitor Cyclin-dependent kinase (CDK) 4 and 6; aromatase enzyme 2017-01-01
Aromasin exemestane Pfizer marketed Aromatase Inhibitor [EPC] Aromatase 1999-01-01
Femara letrozole Novartis AG marketed Aromatase Inhibitor [EPC] aromatase enzyme 1997-07-25
LETROZOLE LETROZOLE marketed Aromatase Inhibitor [EPC] 1997-01-01
Arimidex anastrozole AstraZeneca marketed Aromatase inhibitor Aromatase enzyme 1995-12-27
ANASTROZOLE ANASTROZOLE marketed Aromatase Inhibitor [EPC] aromatase 1995-01-01

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 (Aromatase inhibitor class)

  1. AstraZeneca · 4 drugs in this class
  2. Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh · 2 drugs in this class
  3. Eastern Virginia Medical School · 1 drug in this class
  4. Genor Biopharma Co., Ltd. · 1 drug in this class
  5. Gynaecologisch Oncologisch Centrum Zuid · 1 drug in this class
  6. IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy · 1 drug in this class
  7. IVI Madrid · 1 drug in this class
  8. Jiangsu HengRui Medicine Co., Ltd. · 1 drug in this class
  9. Lumara Health, Inc. · 1 drug in this class
  10. Pfizer · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Anastrozole (Arimidex) — Competitive Intelligence Brief. https://druglandscape.com/ci/anastrozole-arimidex. Accessed 2026-05-16.

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