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Diabetes

Topic Spotlight

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An estimated 34 million Americans have diabetes. (Centers for Disease Control and Prevention)

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Diabetes is the seventh leading cause of death in the United States. (Centers for Disease Control and Prevention)

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PCORI has funded 44 comparative clinical effectiveness research studies that aim to help patients and those who care for them make better-informed decisions about their treatment and prevention options for diabetes. (As of February 2022)

PCORI Stories


'You Have to Meet People Where They Are to Help Them': Patient Advisors Guide Successful Diabetes Self-Management Study

An estimated 13 percent of 13 percent of African-American adults in the United States have diabetes and making changes to daily routines and diets to manage this health condition can be hard.

The PCORI-funded Management of Diabetes in Everyday Life (MODEL) Study compared common interventions, such as working with health coaches or getting encouraging text messages from doctors’ offices, that might help patients make healthy choices. The study was guided by patient advisors to help people living with diabetes improve their blood sugar control.

Read the Story

Evidence for Decisions from PCORI-Funded Studies


Evidence Update: Daily Blood Sugar Tests May Not Be Beneficial for Some Patients

For people with type 2 diabetes, maintaining their blood sugar at a healthy level is important. But checking their blood sugar every day may not help them manage the condition. This PCORI-funded study found people with type 2 diabetes who don’t use insulin did not benefit from daily self-testing. Study participants who checked their blood sugar each day for a year had the same A1c and quality of life as people who didn’t test daily.

An Evidence Update is available that can help clinicians and patients work together to make informed decisions regarding patient care.

View the Evidence Update


Evidence Updates: Comparing Two Types of Weight Loss Surgery

Bariatric surgery can help people with obesity lose weight and improve problems related to obesity, like diabetes. But surgery can also cause harm, and outcomes may vary across different procedures. A PCORI-funded study compared the benefits and harms of the two most common types of bariatric surgery: Roux-en-Y gastric bypass, or gastric bypass, and sleeve gastrectomy, or sleeve surgery.

A pair of Evidence Updates is available that can help clinicians and patients work together to make informed decisions regarding patient care.

View the Evidence Updates

Study Results that Support Better-Informed Decisions

Diabetes Study Spotlights