Dataset Information

Trends in Financial Access to Prescription Drugs Among Cancer Survivors.

ABSTRACT: Little is known about the competing effects of increasing prescription drug costs and expansions in insurance coverage on prescription drug access and whether trends vary for adults with and without a cancer history. Using the 2010-2015 National Health Interview Survey, we examined trends in limited prescription drug access, operationalized as forgoing needed prescription drugs because of cost. The percentages of adults age 18 to 64?years with limited prescription drug access decreased over time: predicted margins from multivariable logistic regression models were 13.8% in 2010 vs 8.6% in 2015 for cancer survivors and 11.0% vs 6.8% for adults without a cancer history (adjusted odds ratio [aOR] for trend = 0.89, 95% confidence interval [CI] = 0.88 to 0.90). Access changed little for adults age 65?years and older. Among adults age 18 to 64?years, cancer survivors were more likely than those without a cancer history to report limited access to any prescription drug in all years (aOR from multivariable logistic regression model = 1.45, 95% CI = 1.31 to 1.61). However, trends did not differ by cancer history. Our findings suggest that expansions in health insurance coverage mitigated the effects of growing prescription drug costs to some extent for many individuals with and without a history of cancer.

SUBMITTER: Gonzales F

PROVIDER: S-EPMC6279271 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Trends in Financial Access to Prescription Drugs Among Cancer Survivors.

Gonzales Felisa F Zheng Zhiyuan Z Yabroff K Robin KR

Journal of the National Cancer Institute 20180201 2

Little is known about the competing effects of increasing prescription drug costs and expansions in insurance coverage on prescription drug access and whether trends vary for adults with and without a cancer history. Using the 2010-2015 National Health Interview Survey, we examined trends in limited prescription drug access, operationalized as forgoing needed prescription drugs because of cost. The percentages of adults age 18 to 64 years with limited prescription drug access decreased over time ...[more]

PMID: 28954298

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Project description:ImportanceHigh and continually increasing pharmaceutical drug spending is a major health and health policy concern in the United States.ObjectiveTo demonstrate trends in prices among popular brand-name prescription drugs.Design, setting, and participantsThis economic evaluation of drug prices focuses on 49 top-selling brand-name medications in the United States. Pharmacy claims data from January 1, 2012, through December 31, 2017, were obtained from Blue Cross Blue Shield Axis, a database that includes data from more than 35 million individuals with private pharmaceutical insurance. Drugs that exceeded $500 million in US sales or $1 billion in worldwide sales were examined.Main outcomes and measuresThe median sum of out-of-pocket and insurance costs paid by patients or insurers for common prescriptions, presented annually and monthly, was the primary outcome.ResultsIn total, 132 brand-name prescription drugs were identified in 2017 that met the inclusion criteria. Of this total, the study focused on 49 top-selling drugs that exceeded 100 000 pharmacy claims. Substantial cost increases among these drugs was near universal, with a 76% median cost increase from January 2012 through December 2017, and almost all drugs (48 [98%]) displaying regular annual or biannual price increases. Of the 36 drugs that have been available since 2012, 28 (78%) have seen an increase in insurer and out-of-pocket costs by more than 50%, and 16 (44%) have more than doubled in price. Insulins (ie, Novolog, Humalog, and Lantus) and tumor necrosis factor inhibitors (ie, Humira and Enbrel) demonstrated highly correlated price increases, coinciding with some of the largest growth in drug costs. Relative price changes did not differ between drugs that entered the market in the past 3 to 6 years and those that have been on the market longer (number of drugs, 13 vs 36; median, 29% increase from January 2015 through December 2017; P = .81) nor between drugs with or without a Food and Drug Administration-approved therapeutic equivalent (number of drugs, 17 vs 32; median, 79% vs 73%; P = .21). Changes in prices paid were highly correlated with third-party estimates of changes in drug net prices (ρ = 0.55; P = 3.8 × 10-5), suggesting that the current rebate system, which incentivizes high list prices and greater reliance on rebates, increases overall costs.Conclusions and relevanceThe growth of drug spending in the United States associated with government-protected market exclusivity is likely to continue; greater price transparency is warranted.

Project description:BACKGROUND:The population of cancer survivors is rapidly growing in the United States. Long-term and late effects of cancer, combined with the ongoing management of other chronic conditions, make survivors particularly vulnerable to polypharmacy and its adverse effects. In the current study, the authors examined patterns of prescription medication use and polypharmacy in a population-based sample of cancer survivors. METHODS:Using data from the Medical Expenditure Panel Survey (MEPS), the authors matched cancer survivors (5216 survivors) with noncancer controls (19,588 controls) by age, sex, and survey year. Polypharmacy was defined as ?5 unique medications. The authors estimated the percentage of respondents prescribed medications within therapeutic classes and total prescription expenditures. RESULTS:A higher percentage of cancer survivors were prescribed ?5 unique medications (64.0%; 95% confidence interval [95% CI], 62.3%-65.8%) compared with noncancer controls (51.5%; 95% CI, 50.4%-52.6%), including drugs with abuse potential. Across all therapeutic classes, a higher percentage of newly (?1 year since diagnosis) and previously (>1 years since diagnosis) diagnosed survivors were prescribed medications compared with controls, with large differences observed with regard to central nervous system agents (65.8% [95% CI, 62.3%-69.3%] vs 57.4% [95% CI, 55.3%-59.5%] vs 46.0% [95% CI, 45.0%-46.9%]). Specifically, nearly 10% of survivors were prescribed benzodiazepines and/or opioids compared with approximately 5% of controls. Survivors had more than double the prescription expenditures (median of $1633 vs $784 among controls). Findings persisted across age and comorbidity categories. CONCLUSIONS:Cancer survivors were prescribed a higher number of unique medications, including drugs with abuse potential, thereby increasing their risk of adverse drug events, financial toxicity, poor adherence, and drug-drug interactions. Cancer 2018;124:2850-2857. © 2018 American Cancer Society.

Dataset Information

Trends in Financial Access to Prescription Drugs Among Cancer Survivors.

Publications

Trends in Financial Access to Prescription Drugs Among Cancer Survivors.

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