Wednesday, July 8, 2026

Drug profile · INN

palbociclib

palbociclib (IBRANCE) is a cyclin-dependent kinase 4/cyclin d1 inhibitor. Associated with Pfizer Australia Pty Ltd. Route of administration: oral. Current US regulatory status: approved.

FDA: approved EMA: approved TGA: approved NMPA: clinical trials Antineoplastic and immunomodulating agents (L01) L01EF01
US status approved
Patents linked 1
Pipeline programs 26
News articles 2
Drug details — palbociclib

Quick answer

palbociclib (IBRANCE) is a cyclin-dependent kinase 4/cyclin d1 inhibitor. Associated with Pfizer Australia Pty Ltd. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN palbociclib
Brand IBRANCE
Mechanism Cyclin-dependent kinase 4/cyclin D1 inhibitor
Target CDK6/cyclin D1
Therapeutic class Antineoplastic and immunomodulating agents (L01)
Route ORAL
Formulation CAPSULE
ATC code L01EF01

Mechanism of action

Cyclin-dependent kinase 4/cyclin D1 inhibitor

Primary target: CDK6/cyclin D1

Approval history

Authority Status Date
FDA approved
EMA approved
TGA approved
NMPA clinical trials

Recent coverage

Pipeline programs

  1. BO41843 Phase 3 · HOFFMANN-LA ROCHE · ESTROGEN RECEPTOR-POSITIVE, HER2-NEGATIVE LOCALLY ADVANCED O
  2. C16-40 Phase 3 · George Institute for · Unresectable locally advanced and/or metastatic soft-tissue
  3. C4391024 Phase 3 · First Biotech (Australia) · Advanced/Metastatic Breast Cancer
  4. CO44657 Phase 3 · HOFFMANN-LA ROCHE · Estrogen receptor (ER)-positive, HER2-negative advanced brea
  5. D8532C00001 Phase 3 · AstraZeneca · Estrogen Receptor-Positive, HER2-Negative Advanced Breast Ca
  6. D8534C00001 Phase 3 · AstraZeneca · Estrogen Receptor-Positive, HER-2 negative Advanced Breast C
  7. D9722C00001 Phase 3 · AstraZeneca · Advanced Breast Cancer
  8. IBCSG 59-19 Phase 3 · Impact Therapeutics · Female or male patients with histologically confirmed HR-pos

Related & competitor drugs

  1. abiraterone acetate Antineoplastic and immunomodulating agents (L02)
  2. anagrelide Antineoplastic and immunomodulating agents (L01)
  3. apremilast Antineoplastic and immunomodulating agents (L04)
  4. arsenic trioxide Antineoplastic and immunomodulating agents (L01)
  5. axitinib Antineoplastic and immunomodulating agents (L01)
  6. azacitidine Antineoplastic and immunomodulating agents (L01)
  1. US 9850244

    Method for preparing Palbociclib

    Expires Mon Dec 21 2037 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is palbociclib?

palbociclib (IBRANCE) is a cyclin-dependent kinase 4/cyclin d1 inhibitor. Associated with Pfizer Australia Pty Ltd. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for palbociclib?

IBRANCE is a marketed brand name for palbociclib. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of palbociclib?

palbociclib has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.