Study Links Continuous Glucose Monitors to Kidney Protection in Diabetics
New research indicates that continuous glucose monitoring may significantly benefit kidney health in diabetes patients.
Continuous glucose monitors may reduce kidney damage in diabetes patients.
A study shows a 14% lower risk of worsening chronic kidney disease with glucose monitors.
Improved blood sugar control from these devices can enhance overall kidney function.
Recent research published in ScienceDaily highlights the potential benefits of continuous glucose monitors (CGMs) for kidney health in individuals with diabetes. The study suggests that these devices, which provide real-time blood sugar tracking, may also play a role in protecting the kidneys from damage associated with diabetes. This finding is particularly relevant for patients managing Diabetes Mellitus, as effective sugar level monitoring is crucial for their health.
The observational study utilized electronic health records from Kaiser Permanente Northern California to assess the effectiveness of CGMs among patients at high risk for diabetes-related complications. Over a three-year period, researchers followed individuals with controlled type 2 diabetes. The results indicated that those using glucose monitors experienced more significant and sustained improvements in blood sugar levels. Notably, these patients exhibited lower protein levels in their urine, a key indicator of kidney function and health.
Supporting these findings, a larger study presented at the 2025 American Diabetes Association Scientific Sessions analyzed kidney outcomes in over 65,000 adults with insulin-treated diabetes and chronic kidney disease. Researchers found that patients who began using CGMs had a 14% lower risk of their chronic kidney disease worsening compared to those who did not use the devices. This study further confirmed that CGMs positively impacted kidney filtration rates, reinforcing the notion that better blood sugar control can lead to improved kidney health.
The underlying mechanism for these benefits is linked to the way high blood sugar levels damage kidney blood vessels over time. By providing real-time feedback on blood sugar levels, CGMs enable patients to make informed decisions about their health, similar to the effects seen when starting new diabetes medications. This real-time data can help patients maintain better control over their blood sugar, potentially mitigating the risk of kidney damage.
Additionally, a separate study from Korea involving over 8,000 individuals with type 1 diabetes found that those using glucose monitors had a 57% lower risk of developing end-stage kidney disease. They also demonstrated lower rates of heart disease and mortality. Collectively, this growing body of evidence suggests that continuous glucose monitors offer significant health benefits beyond just tracking blood sugar, particularly for high-risk diabetes patients. Experts advocate for the use of these devices as a low-risk strategy to safeguard long-term kidney health.

