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Cost Challenges Ongoing with Diabetes Drugs

MHE PublicationManaged Healthcare Executive April 2019 Issue
Volume 29
Issue 4

How pipeline promises-and disappointments-are impacting patients with diabetes.

Dollar bills growing

According to the “National Diabetes Statistics Report” from the CDC, an estimated 30.3 million Americans had diabetes in 2017, 7.2 million of which were undiagnosed. Approximately 5% had type 1 diabetes and the remaining 95% had type 2 diabetes. Over the last 20 years, the number of adults with diabetes has more than tripled, and the total direct and indirect estimated cost of diagnosed diabetes in the U.S. in 2012 was $245 billion.

“Diabetes is the highest traditional overall drug spend category for commercial, Medicare D, and Medicaid clients; and among all drug categories, only autoimmune has a higher drug spend,” says April Kunze, PharmD, senior director, clinical formulary development and trend management strategy, Prime Therapeutics.“Given the prevalence and the opportunities where diabetes care can go wrong, it can be an ideal area connected to outcomes-based contracts,” explains Mark Ginestro, a principal from KPMG Strategy. “The proper management of the condition can lead to major savings in overall medical costs.”

Pipeline promise

While there are some exciting promises in the pipeline, recent activity has cast doubts on that pipeline’s future. The FDA recently denied approval for the investigational drug Zynquista (sotagliflozin, Sanofi and Lexicon Pharmaceuticals) for type 1 diabetes.

Zynquista works by inhibiting both sodium-glucose cotransporter 2 (SGLT2), a transporter responsible for most of the glucose reabsorption performed by the kidney, and sodium-glucose cotransporter 1 (SGLT1), a transporter responsible for glucose and galactose absorption in the gastrointestinal tract.

Related article: Top 9 Most Exciting Drugs in the 2019 Pipeline

The agency issued a Complete Response Letter (CRL) in March, following an eight to eight vote by the FDA’s advisory committee in January in favor of the drug’s benefits outweighing its risks.

“Given the advisory committee’s vote it is not entirely surprising that the FDA has issued a CRL for the Zynquista New Drug Application (NDA),” Kunze says. “Other SGLT2 inhibitors are being studied for use in type 1 diabetes. Currently, SGLT2 inhibitors are approved for the treatment of type 2 diabetes.”

Farxiga (dapagliflozin, AstraZeneca), one of the SGLT2 inhibitors currently approved for type 2 diabetes, was recently approved for type 1 in Europe and is currently undergoing studies in the U.S.-but Zynquista’s rejection has cast doubts on its future in the United States.

SGLT2 inhibitor manufacturers are also studying overall health outcomes, such as major cardiac events and sub-populations within diabetic patients, including those with chronic kidney disease or heart failure, to show potential benefit and expand labeled indications, according to Kunze.

The role of tech in diabetes management

Technology also has an important role to play, with wearable devices, such as continuous glucose monitors (CGMs) that aid in the diagnosis, treatment, and self-management of diabetes. Ginestro also says that medical device makers have introduced different variations of the “artificial pancreas,” an automated insulin pump with a CGM for management of patients with type 1 diabetes.

As far as additional tech innovations beyond the artificial pancreas, more digital tools are being introduced to help with the diagnosis, management, and treatment of diabetes.

“That can come from patient education materials being tied to smartphones, which can help in preventive care for pre-diabetes or helping patients manage the condition,” says Ginestro. “Another opportunity is tied to using tech to connect the doctor or patient to warn of elevated A1c levels or blood sugar readings to engage a patient to prevent a trip to the emergency room. The use of predictive analytics can also be applied to stratify patients by risk so the ones most vulnerable to repeat hospitalizations can get the help they need.”

Related article: The Cost of Diabetes Care-And How to Help Patients Lower It

With remote patient monitoring now being reimbursed by CMS, Ginestro expects more players to emerge in proactive health management.

“We expect to see more type 2 diabetes patients opting for use of CGMs and other monitoring devices,” says Ginestro. “We can even foresee the broader consumer community using CGMs when they may be deemed pre-diabetic or even for those who are simply health-conscious consumers.”

Future of diabetes

The demographic of tens of millions of pre-diabetics and the obesity epidemic mean there will be no shortage of patients, according to Ginestro. “Medications are aimed at making diabetes management easier with longer acting medications and technology is helping with the management of these conditions and addressing unmet medical needs,” he says.

“Given the increasing drug trend and the variety of medications available, pharmacy benefit managers will be looking closely at preferred product opportunities to help manage spend,” says Kunze. “In addition, payers will be looking for the real-world experience to match the clinical trial outcomes.”

Erin Johanek, PharmD, RPh, is a staff pharmacist at Southwest General Health Center, Middleburg Heights, Ohio.

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