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Out-of-Pocket Prescription Drug Savings for Medicare Beneficiaries with Asthma and COPD Under the Inflation Reduction
Stephen A Mein1,2, Archana Tale1, Mary B Rice2
1Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA.
Background:
High and rising prescription drug costs for asthma and chronic obstructive pulmonary disease (COPD) contribute to medication nonadherence and poor clinical outcomes. The recently enacted Inflation Reduction Act includes provisions that will cap out-of-pocket prescription drug spending at $2,000 per year and expand low-income subsidies. However, little is known about how these provisions will impact out-of-pocket drug spending for Medicare beneficiaries with asthma and COPD.
Objective:
To estimate the impact of the Inflation Reduction Act's out-of-pocket spending cap and expansion of low-income subsidies on Medicare beneficiaries with obstructive lung disease.
Design:
We calculated the number of Medicare beneficiaries ≥ 65 years with asthma and/or COPD and out-of-pocket prescription drug spending > $2,000/year, and then estimated their median annual out-of-pocket savings under the Inflation Reduction Act's spending cap. We then estimated the number of beneficiaries with incomes > 135% and ≤ 150% of the federal poverty level who would become newly eligible for low-income subsidies under this policy.
Participants:
Respondents to the 2016-2019 Medical Expenditure Panel Survey (MEPS).
Main Measures:
Annual out-of-pocket prescription drug spending.
Key Results:
An annual estimated 5.2 million Medicare beneficiaries had asthma and/or COPD. Among them, 360,160 (SE ± 38,021) experienced out-of-pocket drug spending > $2,000/year, with median out-of-pocket costs of $3,003/year (IQR $2,360-$3,941). Therefore, median savings under the Inflation Reduction Act's spending cap would be $1,003/year (IQR $360-$1,941), including $738/year and $1,137/year for beneficiaries with asthma and COPD, respectively. Total annual estimated savings would be $504 million (SE ± $42 M). In addition, 232,155 (SE ± 4,624) beneficiaries would newly qualify for low-income subsidies, which will further reduce prescription drug costs.
Conclusions:
The Inflation Reduction Act will have major implications on out-of-pocket prescription drug spending for Medicare beneficiaries with obstructive lung disease resulting in half-a-billion dollars in total out-of-pocket savings per year, which could ultimately have implications on medication adherence and clinical outcomes.
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