Description of Treatment Patterns and Description and Comparison of Healthcare Resource Utilization and Costs of Women With Metastatic HR+/HER2- Breast Cancer Treated With CDK4/6 Inhibitors

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

4320 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-05-08

Study Completion Date

2020-07-31

Brief Summary

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The study was an observational, retrospective cohort design, using US administrative insurance claims data, to better understand Healthcare resource utilization (HRU) and healthcare costs among women with mBC initiated on a CDK4/6 inhibitor.

Detailed Description

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This study used an observational, retrospective cohort design, using US administrative insurance claims data, previously employed in an existing project, to better understand HRU and healthcare costs among women with mBC initiated on a CDK4/6 inhibitor.

Adult women with HR+/HER2- mBC initiated on a CDK4/6 inhibitor were included in the study and were stratified into cohorts based on the first CDK4/6 inhibitor they received (i.e., abemaciclib, palbociclib, or ribociclib), regardless of the line of therapy and menopausal status.

The initiation of the first CDK4/6 inhibitor was defined as the index date. The index treatment was defined as the CDK4/6 inhibitor initiated on the index date (i.e., abemaciclib, palbociclib, or ribociclib).

The 6-month period preceding the index date was considered as the baseline period, and was used to measure patient characteristics.

Outcomes were measured between the index date and 1) the end of the study period (persistence, switch, HRU, costs) OR 2) the end of the index treatment (adherence, dose modification, frequency of monitoring), as relevant. The end of the study period was defined as the earliest occurrence between the end of continuous enrollment and the end of data availability.

Conditions

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Metastatic Breast Cancer

Keywords

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Metastatic breast cancer, CDK4/6, health resource utilization, healthcare costs, treatment patterns

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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