Status:

NOT_YET_RECRUITING

A Study to Understand the Patients Confirmed to Have Advanced or Metastatic Breast Cancer and Receiving Palbociclib Treatment Using a Real-world Database

Lead Sponsor:

Pfizer

Conditions:

Advanced or Metastatic Breast Cancer

Eligibility:

FEMALE

18+ years

Brief Summary

The purpose of this real-world study is to look at breast cancer patients receiving Palbociclib using a large real-world database collected under real-world practice. This study also looks at the safe...

Eligibility Criteria

Inclusion

  • Inclusion Criteria
  • Patients must meet all of the following inclusion criteria to be eligible for inclusion in the study:
  • Adult women (≥ 18 years of age) with at least one visit with a breast cancer ICD10 diagnosis code (C50.x)
  • Patients with locally advanced breast cancer or metastatic breast cancer with a staging classification of stage III, stage IV (distant metastases).
  • Patients with a laboratory test positive for hormone receptor (HR) and negative for human epithelial growth factor receptor 2 (HER2) before or up to 60 days after advanced/metastatic breast cancer diagnosis date.
  • HR-positive is defined as any positive test for estrogen receptor or progesterone receptor.
  • HER2-negative is defined as any HER2-negative test and the absence of a positive test (immunohistochemistry positive (3+), fluorescence in situ hybridization positive/amplified).
  • Patients who received at least one initial prescription of Ibrance following a diagnosis of advanced/metastatic breast cancer
  • Exclusion Criteria
  • Patients meeting any of the following criteria will not be included in the study:
  • Breast cancer with HR-negative and HER2-positive on laboratory testing.
  • More than a 90-day gap between breast cancer diagnosis date and next visit.
  • Patients who treated as off-label

Exclusion

    Key Trial Info

    Start Date :

    June 30 2025

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ESTIMATED

    End Date :

    November 28 2025

    Estimated Enrollment :

    1000 Patients enrolled

    Trial Details

    Trial ID

    NCT06962969

    Start Date

    June 30 2025

    End Date

    November 28 2025

    Last Update

    June 10 2025

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