Coverage of hormonal breast cancer therapies increased in states that expanded Medicaid

An evaluation of breast cancer patients enrolled in Medicaid showed that states that expanded Medicaid during 2011 to 2017 had a 27 percent increase in prescriptions for hormonal therapy medications compared to states that did not expand Medicaid during the same period, according to results of a study presented at the 11th AACR Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, held here Nov. 2-5.

"We saw a large and significant increase in the use of hormonal therapies for in states that underwent Medicaid expansion," said Michael Halpern, MD, Ph.D., associate professor at Temple University College of Public Health. "In contrast, states that did not participate in Medicaid expansion saw essentially no increase in these prescriptions."

For women who have received treatment for cancer and are recovering, hormonal therapies can reduce the chance of their breast cancer coming back, and, for best effect, they need to take these medications for three to five years, Halpern said.

"Over the course of more than a year following Medicaid expansion, the difference in the rate of use between states that underwent Medicaid expansion and those that didn't continued to go up," noted Halpern. "This highlights that getting the coverage for these hormonal therapies as a one-time event isn't enough; there has to be a process where breast cancer survivors can work with their health care providers and get educated about the importance of this treatment."

Utilizing information from the Medicaid State Drug Utilization Database (SDUD) which was compiled by the Centers for Medicaid and Medicare (CMS), Halpern and colleagues evaluated outpatient prescription rates and associated payments for tamoxifen and aromatase inhibitors, two common hormonal therapeutics for the treatment of breast cancer, for individuals enrolled in Medicaid programs. Both generic and branded prescriptions were included in the study.

Following multivariable analysis, Halpern and colleagues found that prescriptions for all hormonal therapy medications and aromatase inhibitors increased by 27 percent and 29 percent, respectively, for Medicaid programs in states that expanded Medicaid, compared to Medicaid programs in non-expansion states. The study authors suggest that most of this increase was new utilization of these drugs that would not have occurred in the absence of Medicaid expansion.

"Looking at the medications funded by state Medicaid programs, it's clear that states that expanded Medicaid are funding increased access to these hormonal therapies," said Halpern. "We believe that hormonal therapy use increased among women who were previously uninsured and did not have access to these potentially life-saving drugs.

"While most women, regardless of their income or insurance status, have access to acute breast cancer treatments—initial surgery, chemotherapy, and/or radiation therapy—coverage is sometimes lacking for that may require long-term treatment with hormonal therapy," Halpern continued. "We need to be better at making sure that cancer survivors, particularly those who are in underserved populations, continue to have access to high-quality care and are able to receive the services and medications that they need to prevent their from coming back."

Limitations of the study include a reliance on state level Medicaid prescription data; prescriptions for hormonal could have been for conditions other than , but this represents an extremely small cohort, noted Halpern.


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