Plain-English translation of NCT07210021 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This trial is testing a new smartphone application called AK+ Guard™ that uses artificial intelligence to analyze your heart's electrical activity (recorded through your smartwatch or standard heart monitor) to predict when your potassium level becomes dangerously high. High potassium is a common and serious problem for people with kidney disease, and this app is designed to catch it early by reading just one simple heart rhythm pattern. Researchers want to see if this tool works accurately and is easy for patients to use at home.
People with chronic kidney disease often develop dangerously high potassium levels, which can cause life-threatening heart problems, but many don't realize it until it's too late. Current methods for detecting high potassium require frequent blood tests that take time and aren't always available. This trial exists to see if a simple, at-home heart rhythm test can reliably warn patients and their doctors before high potassium becomes dangerous.
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If you join Arm 1, you'll visit your kidney clinic at your regularly scheduled potassium blood test appointment. At that visit, you'll have your heart rhythm recorded three ways—using a standard 12-lead heart monitor, an Apple Watch, and a portable device—which only takes a few minutes. The app will analyze these recordings and researchers will compare the results to your blood potassium level. If you then agree to join Arm 2, you'll use an Apple Watch to record a quick daily heart rhythm at home for up to four weeks, complete brief weekly surveys about how easy the app is to use, and return to the clinic once more for a final potassium blood test.
AI-generated summary from trial data · Jun 26, 2026 · Not medical advice
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