Renalytix share new data suggesting their KidneyIntelX bioprognostic test improves decision-making

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Renalytix has announced the publication of new real-world evidence in Primary Care and Community Health demonstrating the company’s KidneyIntelX bioprognostic test resulted in changed clinical decision-making for patients in the early-stage of diabetic kidney disease (DKD) being cared for within the Mount Sinai Health System’s Population Health Ambulatory Pharmacy and Condition Management programs. The majority of patients were being treated by their primary care physician.

Prediction of risk for kidney disease progression in early-stage DKD is often not assessed at the primary care level, resulting in more than 50,000 individuals per year with diabetes progressing to kidney failure, dialysis or a kidney transplant. By integrating an easily interpretable, accurate prognostic tool that assigns a risk score for progressive decline in kidney function, KidneyIntelX enables providers to act earlier to slow or stop the progression to kidney failure.

“The data are greatly encouraging for millions of early stage 1–3 DKD patients where we lack patient-specific risk assessment tools to adjust appropriate care. Utilizing KidneyIntelX to identify which patients can most benefit from guideline-based therapies such as SGLT2 inhibitors, more education on diabetes and chronic kidney disease, and referrals to specialists such as dieticians, diabetologists, and/or nephrologists, is an opportunity to swing the pendulum from suboptimal to optimal care,” said Robert Fields (Mount Sinai Health System, New York City, USA).

The study was conducted in collaboration with the Mount Sinai Health System’s Population Health Ambulatory Pharmacy and Condition Management programs and included 1,686 patients seen by 75 providers at 20 clinical sites. The RWE study demonstrated that patients with early-stage DKD and a high risk KidneyIntelX score received higher frequency of clinical management visits, introduction to guideline-recommended medications, and specialist referral for disease management compared to those who were identified as low or intermediate risk patients.

The risk breakdown of the study population was similar to the clinical validation cohort (high risk 12% vs. 17%, intermediate risk 40% vs. 37%, and low risk 48% vs 46%, respectively). 53% of all KidneyIntelX high risk patients had a follow-up visit within 1-month of their KidneyIntelX test and 57% had action taken (medication change or referral) within 3-months, compared to 13% and 35%, respectively, for low risk patients.

When evaluating new or modified prescriptions for hypertension at six months, both ACEi and ARBs achieved a greater than 20% change in patients with hypertension in the high risk group vs. the low risk group. Medication management for use of SGLT2 inhibitors was even more pronounced; 25% of patients in the high risk group received new SGLT2i prescriptions vs. 7% in the low risk group, a 4.5-fold increase. Thus, KidneyIntelX enabled physicians to take guideline-recommended clinical actions in high risk, early stage (stage 1-3b) diabetic kidney disease patients. New referrals by risk group were 6% for low risk, 12% intermediate risk and 15% high risk.

According to Michael J Donovan (Mount Sinai Health System, New York City, USA), Chief Medical Officer at Renalytix, “The KidneyIntelX early risk assessment, even at this interim six month time point, is very encouraging, suggesting we can proactively move to control cost and outcomes in diabetes and kidney disease. Enabling primary care physicians to recognize risk and clinically manage patients with DKD can potentially eliminate unnecessary events from uncontrolled disease progression, including kidney failure and dialysis. We look forward to continuing published data releases at the one-year mark.

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