Blood protein clues may spot hidden lung clot complication

NCT ID NCT05340023

Recruiting now Diagnosis Sponsor: Centre Hospitalier Universitaire de Saint Etienne Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is looking for specific protein patterns in the blood that could help diagnose chronic thromboembolic pulmonary hypertension (CTEPH), a rare but serious complication of blood clots in the lungs. Researchers will analyze blood samples from 120 people suspected of having CTEPH and compare the results with their final diagnosis. The goal is to find a simpler, less invasive way to identify this condition.

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 lead to a simple blood test to diagnose CTEPH earlier and more accurately, reducing the need for invasive heart catheterization.
What could go wrong: This is an early-stage observational study with only 120 participants. The protein patterns found may not be specific enough to replace current 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.

chronic thromboembolic pulmonary hypertension pulmonary embolism pulmonary hypertension

As listed by the trial registrant

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

CHRONIC THROMBOEMBOLIC PULMONARY HYPERTENSION

Contacts and locations

Locations

CHU de SAINT-ETIENNE
RECRUITING

Saint-Etienne, 42055, France

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