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Post Marketing Surveillance Study to Observe Safety and Efficacy of IBRANCE®

Post Marketing Surveillance Study to Observe Safety and Efficacy of IBRANCE®

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03445637
Enrollment
552
Registered
2018-02-26
Start date
2018-02-08
Completion date
2025-07-13
Last updated
2025-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Neoplasm

Keywords

Metastatic breast cancer, safety, ibrance

Brief summary

This non-interventional study is designated as a Post Marketing Surveillance Study and is a commitment to Ministry of Food and Drug Safety (MFDS). Before the approval of IBRANCE® in Korea, as a part of Risk Management Plan (RMP), which is required by MFDS, safety and efficacy information of new medication will be provided at minimum 1,000 participants administered in the setting of routine practice during the initial 9 years after the approval.

Interventions

None listed

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Observational model
ECOLOGIC_OR_COMMUNITY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Women of ≥18 years of age with proven diagnosis of advanced/metastatic breast cancer (locoregionally recurrent or metastatic disease). * Estrogen Receptor+ (ER+) and/or Progesterone Receptor+ (PgR+) tumor based on local laboratory results (test as per local practice). * Human Epidermal Growth Factor Receptor 2 -(HER2-) breast cancer based on local laboratory results (test as per local practice or local guidelines) * Patients must be appropriate candidates for hormone therapy. * Evidence of a personally signed and dated informed consent document indicating that the patient (or a legally acceptable representative) has been informed of all pertinent aspects of the study. * During the post marketing surveillance (PMS) period, patients who initially administer IBRANCE®

Exclusion criteria

* Known hypersensitivity to letrozole or its excipients or to any Cyclin-Dependent Kinase 4/6 (CDK4/6) inhibitor excipients. * Pregnant women

Design outcomes

Primary

MeasureTime frameDescription
Treatment-related adverse events during first 3 months2018 ~ 2025This is a prospective, observational, non-interventional, multi-center study in which subjects will be administered as part of routine practice at Korean health care centers by accredited physicians.

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026