Evaluating the Impact of a Value-based Prescription Drug Formulary

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

36333 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-01-01

Study Completion Date

2019-12-31

Brief Summary

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The objective of this study is to evaluate the impact of the value-based formulary on patient out-of-pocket spending and health plan spending as well as the impact of the value-based formulary on medication use, emergency department visits, hospitalizations, and outpatient office visits.

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Detailed Description

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Conditions

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Value-Based Health Insurance

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Value-based Formulary Beneficiaries

enrolled in the value-based formulary

Value-based Formulary

Intervention Type OTHER

Prescription drug formulary tiers informed by estimated value

Standard Formulary Beneficiaries

enrolled in a standard (i.e., non-value-based formulary)

No interventions assigned to this group

Interventions

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Value-based Formulary

Prescription drug formulary tiers informed by estimated value

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Individuals:

* aged 0-64
* Continuously enrolled in an employer-sponsored health plan for at least 12 months (with one-month allowable gap) prior to the index date

* For individuals in the exposed group, the index date is defined as the start date of value-based formulary implementation at the employer group level
* For individuals in the control group, the index date is defined as the index date of the matched exposed individual
* Employer groups:

* that transition to the value-based formulary if they transitioned all enrollees in that employer group (no individual selection)