Dataset Information

Budget impact analysis of CYP2C19-guided voriconazole prophylaxis in AML.

ABSTRACT:

Objectives

The objective of this study was to determine the economic impact of proactive, CYP2C19 genotype-guided voriconazole prophylaxis in AML.

Methods

An Excel-based model was created to project the cost of treating a simulated cohort of severely neutropenic AML patients undergoing antifungal prophylaxis. The model compares (i) standard prophylactic dosing with voriconazole and (ii) CYP2C19 genotyping of all AML patients to guide voriconazole dosing and prescribing.

Results

Based on the model, genotype-guided dosing of voriconazole conservatively spares 2.3 patients per year from invasive fungal infections. Implementing proactive genotyping of all AML patients in a simulated 100 patient cohort is expected to save a total of $41467 or $415 per patient.

Conclusions

The model, based on the robust literature of clinical and economic data, predicts that proactive genotype-guided voriconazole prophylaxis is likely to yield modest cost savings while improving patient outcomes. The primary driver of savings is the avoidance of expensive antifungal treatment and extended hospital stays, costing $30?952 per patient, in patients succumbing to fungal infection.

SUBMITTER: Mason NT

PROVIDER: S-EPMC4613741 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Publications

Budget impact analysis of CYP2C19-guided voriconazole prophylaxis in AML.

Mason Neil T NT Bell Gillian C GC Quilitz Rod E RE Greene John N JN McLeod Howard L HL

The Journal of antimicrobial chemotherapy 20150801 11

<h4>Objectives</h4>The objective of this study was to determine the economic impact of proactive, CYP2C19 genotype-guided voriconazole prophylaxis in AML.<h4>Methods</h4>An Excel-based model was created to project the cost of treating a simulated cohort of severely neutropenic AML patients undergoing antifungal prophylaxis. The model compares (i) standard prophylactic dosing with voriconazole and (ii) CYP2C19 genotyping of all AML patients to guide voriconazole dosing and prescribing.<h4>Results ...[more]

PMID: 26233624

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Project description:BackgroundCurrent national estimates for acute myelogenous leukemia (AML) indicate this disease accounts for 1.1% of new cancer diagnoses and 1.8% of cancer deaths in the United States. The 5-year overall survival rate for patients with AML was 27.4% between 2008 and 2014. The standard induction for patients with AML includes cytarabine, infused for 7 days, with 3 once-daily injections of an anthracycline, such as daunorubicin, known as the 7+3 regimen. Daunorubicin plus cytarabine liposomal encapsulation for injection was approved in the United States in 2017 for adults with newly diagnosed therapy-related AML (tAML) or AML with myelodysplasia-related changes (AML-MRC).ObjectiveTo estimate the annual budget impact of introducing daunorubicin-cytarabine liposome as induction treatment for patients with tAML or AML-MRC in the United States over a 3-year period.MethodsThe model consisted of a simple decision analytic framework for a 1- to 3-year period. We used an incidence-based approach to estimate the annual number of patients newly diagnosed with tAML or AML-MRC in a hypothetical 1-million-member plan. Patients were allocated to 2 groups based on when daunorubicin-cytarabine liposome became available, with the base-case group allocated to the 7+3 regimen, and another group allocated to daunorubicin-cytarabine liposome treatment. The incidence of AML was estimated as 4.3 per 100,000 people. Efficacy measures included the proportion of complete responders, proportion of patients who had undergone transplantation, and survival at 180 and 365 days. Inpatient drug and hospitalization costs were based on diagnosis-related group rates, and outpatient drug costs on wholesale acquisition costs.ResultsBased on this hypothetical 1-million-member health plan, 15.1 members would receive intensive induction for newly diagnosed tAML or AML-MRC annually. Increasing the use of daunorubicin-cytarabine liposome (assumption of year 1, 20%; year 2, 50%; year 3, 80%) resulted in a 3-year incremental cumulative budget impact of $72,041 (1.7% increase for patients with tAML or AML-MRC), with a per-member per-month cost of $0.0032 at year 3. Over a 3-year period, the use of daunorubicin-cytarabine liposome would result in an estimated increase in the number of patients with a complete response to therapy by 2.72 (23.1%), which would lead to an incremental cost decrease of $179,956 per responding patient compared with the use of the 7+3 regimen in the base-case group.ConclusionsBased on these results, induction treatment with daunorubicin-cytarabine liposome for patients with tAML or AML-MRC instead of the 7+3 regimen may have a limited economic impact on the budget of commercial health plans and may result in cost offsets, particularly in patients who respond to therapy.

Dataset Information

Budget impact analysis of CYP2C19-guided voriconazole prophylaxis in AML.

Objectives

Methods

Results

Conclusions

Publications

Budget impact analysis of CYP2C19-guided voriconazole prophylaxis in AML.

Similar Datasets

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