Status:

COMPLETED

Study to Evaluate Real-world Effectiveness With Palbociclib Plus Endocrine Therapy as First-line/Second-line Treatment for HR+/HER2- Advanced Breast Cancer in Japan

Lead Sponsor:

Pfizer

Conditions:

Breast Cancer

Eligibility:

All Genders

20+ years

Brief Summary

This is a retrospective, multicenter, observational study in Japan by medical record review of advanced breast cancer (ABC) patients who have received palbociclib plus endocrine therapy (ET) as first ...

Eligibility Criteria

Inclusion

  • Diagnosis of HR+/HER2- ABC
  • Age of 20 years or older at diagnosis of ABC
  • Patients that received palbociclib plus ET in the first line or second line
  • Patients who meet the criteria regarding the medical record below:
  • Patients with any medical records (regardless of palbociclib use) for more than 6 months from palbociclib initiation OR
  • Patients with any medical records for less than 6 months from palbociclib initiation AND who had specific events (death, disease progression, or treatment discontinuation of palbociclib due to adverse events) in the available records

Exclusion

  • Patients who received chemotherapy as first line treatment.
  • Patients who have previously participated or are participating in any interventional clinical trials that include investigational or marketed products.
  • (Interventional clinical trials for early breast cancer and later line after palbociclib will be acceptable, Besides, patients participating in other investigator-initiated research or noninterventional studies can be included as long as their standard of care is not altered by the study.)

Key Trial Info

Start Date :

April 20 2022

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

June 27 2025

Estimated Enrollment :

688 Patients enrolled

Trial Details

Trial ID

NCT05399329

Start Date

April 20 2022

End Date

June 27 2025

Last Update

July 11 2025

Active Locations (20)

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Page 1 of 5 (20 locations)

1

Nagoya University Hospital

Nagoya, Aichi-ken, Japan, 466-8560

2

National Hospital Organization Shikoku Cancer Center

Matsuyama, Ehime, Japan, 791-0280

3

Japan Community Health care Organization Kurume General Hospital

Kurume, Fukuoka, Japan, 830-0013

4

Hokkaido Cancer Center

Sapporo, Hokkaido, Japan, 003-0804