Cost sharing for oral lenvatinib among commercially insured patients
Margaret I Liang1, Ling Chen, Emeline M Aviki
1Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, 8635 W 3rd St, Ste 160W, Los Angeles, CA 90048.
Objective:
To use a nationwide pharmaceutical claims database to evaluate cost-sharing trends for commercially insured patients with cancer who were prescribed lenvatinib (Lenvima).
Study Design:
IBM MarketScan databases were used to evaluate lenvatinib costs for patients with employer-based commercial insurance, and for patients 65 years and older, Medicare claims for fee-for-service plans.
Methods:
Patients were included if they had least 1 outpatient pharmaceutical claim for lenvatinib paid on a noncapitated basis from 2015 to 2019. Median and IQR costs were estimated and inflation adjusted to 2019 US$ for 30-day supplies and reported as total, insurance liability, coordination of benefits, and out-of-pocket costs.
Results:
A total of 685 patients had at least 1 pharmaceutical claim for lenvatinib, which included patients with thyroid (n = 251; 36.6%), renal cell (n = 202; 29.5%), hepatocellular (n = 160; 23.4%), and endometrial (n = 48; 7.0%) cancer. The median (IQR) number of prescriptions per patient was 3 (2-7), and the median (IQR) total days of supply was 90 (45-210) days. The median (IQR) 30-day cost of lenvatinib was $17,253 ($15,597-$18,120). Median (IQR) 30-day insurance liability was $16,847 ($15,000-$17,981). Median (IQR) 30-day coordination of benefits was $0 ($0-$0). Median (IQR) 30-day patient out-of-pocket cost was $32 ($0-$100). However, the maximum 30-day out-of-pocket cost in our patient cohort was $12,538.
Conclusions:
In this cohort, insurance was liable for the majority of total lenvatinib drug costs, and 75% of patients paid $100 or less per month out of pocket. This information can be used by care teams to counsel insured patients. Health systems and drug manufacturers must identify patients with high out-of-pocket costs and provide convenient access to financial assistance programs so that patients are not forced to forgo the benefits of these drugs due to financial barriers. Value-based payment models and drug pricing reform are also needed to address underlying drivers of high drug costs.
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