Real-world Treatment Patterns and Effectiveness of Palbociclib and AI Therapy
Public ClinicalTrials.gov record NCT04176354. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Real-world Treatment Patterns and Effectiveness of Palbociclib in Combination With an Aromatase Inhibitor as Initial Endocrine Based Therapy in Metastatic/Advanced Breast Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
A retrospective observational analysis of de-identified Flatiron Health Analytic Database to describe patient characteristics, treatment patterns and effectiveness of Palbociclib + AI as first-line therapy in HR+/HER2- metastatic breast cancer (MBC) in the US clinical practices.
Study identification
- NCT ID
- NCT04176354
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 813 participants
Conditions and interventions
Conditions
Interventions
- Palbociclib + an aromatase inhibitor Drug
- Palbociclib + Letrozole Drug
- Letrozole Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 24, 2019
- Primary completion
- Sep 26, 2019
- Completion
- Sep 26, 2019
- Last update posted
- Aug 22, 2024
2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer | New York | New York | 10017 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04176354, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 22, 2024 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04176354 live on ClinicalTrials.gov.