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

NCT ID: NCT03445637

Last Updated: 2025-11-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

552 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-02-08

Study Completion Date

2025-07-13

Brief Summary

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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.

Detailed Description

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Conditions

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Breast Neoplasm

Study Design

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Observational Model Type

ECOLOGIC_OR_COMMUNITY

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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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
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer

Seoul, , South Korea

Site Status

Countries

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South Korea

Related Links

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https://pmiform.com/clinical-trial-info-request?StudyID=A5481065

To obtain contact information for a study center near you, click here.

Other Identifiers

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NCT03445637

Identifier Type: REGISTRY

Identifier Source: secondary_id

A5481065

Identifier Type: -

Identifier Source: org_study_id

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