Blood test ratio may speed up detection of dangerous lung clots

NCT ID NCT06192199

Completed Diagnosis Sponsor: Nanfang Hospital, Southern Medical University Source: ClinicalTrials.gov ↗

First seen Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study looks at whether the ratio of two common blood test results (APTT and fibrinogen) can help diagnose pulmonary embolism, a serious condition where a blood clot blocks an artery in the lung. Researchers will compare this ratio in 1,000 patients who are suspected of having a pulmonary embolism and undergo a special CT scan. The goal is to find a cutoff value that could help doctors identify the condition more quickly and easily.

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 successful, this could provide a simpler blood test to help doctors quickly identify pulmonary embolism, reducing reliance on complex scans.
What could go wrong: This is an observational study, not a treatment trial. The ratio may not prove accurate enough to replace standard diagnostic methods.

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.

pulmonary embolism

As listed by the trial registrant

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

ACUTE PULMONARY EMBOLISM

Contacts and locations

Locations

Nanfang hospital of Southern Medical University

Guangzhou, Guangdong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.