Heartbeat test aims to catch hidden nerve damage in diabetes
NCT ID NCT04964921
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers are testing whether a device called ANSiScope Plus can identify autonomic dysfunction by measuring heart rate variability. Participants include healthy adults and people with prediabetes or type 2 diabetes, some with complications like nerve, kidney, or eye damage. Each person attends one visit where their vital signs and ECG are recorded. The team will compare five methods of analyzing heartbeat intervals to see which one best separates the groups.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ANSiScope Plus, a device that measures heart rate variability and vital signs
- What this could lead to
- If it works, this approach could give doctors a simple, non-invasive way to spot autonomic nerve damage in people with diabetes earlier than current methods allow.
- What could go wrong
- This is a small, single-visit study with no enrollment listed, so the results may not hold up in larger groups. The device only measures nerve signals; it does not treat or reverse any damage.
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Study facts
What this study's own registry entry says, in plain language.
- Expected to start
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Jun 2022
An estimate. Start dates often move.
- Expected to finish
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Oct 2022
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Adults of either sex with various stages of impaired fasting glucose tolerance levels and diabetes (with or without complications) will be considered as study population.
- Ages
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18 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Can provide informed consent. * Age between 18 and 85 years old * Body Mass Index: 25 ≤ BMI ≤ 40 * Hemoglobin A1c level: 7.5 ≤ HbA1c ≤ 9.5 * Individuals with pre-diabetes and diabetes Type II for at least 1 year (diagnosed by ADA criteria) and up to 20 years * Advanced diabetic complications including neuropathy, nephropathy, retinopathy and other related complications * Stable dose of medications for the previous 3 months * Stable diet and lifestyle for the previous 3 months * Stable medical status (Ex: no myocardial infarction, stroke, major surgery, Exclusion Criteria: * Unable to provide informed consent * Chronic disease (e.g. HIV, Cushing syndrome, CKD, acromegaly, active hyperthyroidism etc.) * Cancer and anticancer treatment in the last 5 years * Psychiatric disorders (that in the eyes of the investigator should exclude the participant) * Any disorder, which in the investigator's opinion might jeopardize subject's safety or compliance with the protocol * Organ (kidney, pancreas, liver) transplant recipients * Pregnancy or lactation * Positive drug screen (opiates, methadone, cocaine, amphetamines, cannabinoids, barbiturates, benzodiazepines, tricyclic antidepressants and alcohol) * Alcoholics or Smokers * Positive screen on HBsAg, anti-HCV or anti-HIV ½ * History of diabetic ketoacidosis or hyperosmolar coma * Subjects with known coronary artery disease or coronary revascularisation * Subjects with previous history of cerebrovascular accident * Subjects with known proliferative retinopathy or previous laser treatment for diabetic retinopathy * Subjects with life-threatening conditions including malignancy * Subjects with known psychiatric conditions including depression * Subjects with significant renal impairment (eGFR\<60ml/min at baseline) or non-diabetic renal disease (e.g. biopsy-proven glomerulonephritis or obstructive uropathy) * Subjects with major physical disability
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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