Microplastics in your blood: a hidden heart risk?

NCT ID NCT07748767

Not yet recruiting Knowledge-focused Sponsor: Beijing Anzhen Hospital Source: ClinicalTrials.gov ↗

First seen Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This study looks at whether tiny plastic particles in the blood are linked to problems with the heart's small blood vessels. Researchers will measure microplastic levels in 184 people who are already having a heart procedure, and then check their heart vessel function and track their health for two years. The goal is to see if higher plastic exposure is associated with worse heart outcomes.

What this could mean

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

Active substance: micro-nanoplastic examination (blood test for microplastics)
What this could lead to: If microplastics are found to harm heart blood vessels, this could lead to new ways to prevent or treat heart disease by reducing plastic exposure.
What could go wrong: This is an observational study, so it can only show a link, not prove cause and effect. The results may be affected by other factors, and the study is relatively small.

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Conditions

The condition(s) this trial relates to.

coronary microvascular disorder

As listed by the trial registrant

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

CORONARY MICROVASCULAR DYSFUNCTION (CMD) MACE MICROPLASTIC EXPOSURE NANOPLASTICS

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