Could a silent nerve problem mask deadly heart risks in sleep apnea patients?

NCT ID NCT07723222

Not yet recruiting Knowledge-focused Sponsor: Xiangtan Central Hospital Source: ClinicalTrials.gov ↗

First seen Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This observational study investigates whether cardiac autonomic neuropathy (nerve damage affecting the heart) changes the risk of death and cardiovascular events in people who have diabetes, coronary heart disease, and sleep apnea. Researchers will follow 326 participants, dividing them into groups based on nerve function, to see if those with nerve damage face different outcomes. The goal is to understand if the typical warning sign of a slow heart rate is absent in these patients, potentially hiding their risk of sudden cardiac death.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If this study clarifies the link, it could help identify high-risk patients who might otherwise be overlooked, potentially reducing sudden cardiac deaths.
What could go wrong: This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may not apply to broader populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

autonomic neuropathy coronary artery disorder Coronary Disease diabetes mellitus diabetic autonomic neuropathy sleep apnea syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOVASCULAR AUTONOMIC NEUROPATHY (CAN) CORONARY HEART DISEASE DIABETES SLEEP APNEA SYNDROME

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