Can lung blood vessels heal after a procedure? new study investigates

NCT ID NCT05719415

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at how well tiny blood vessels in the lungs recover after a procedure called balloon pulmonary angioplasty (BPA) in people with chronic thromboembolic pulmonary hypertension (CTEPH). CTEPH is a condition where old blood clots block lung arteries, making it hard to breathe. BPA opens those arteries, but it's unclear if the downstream capillaries regain function. Researchers will measure capillary surface area before and after BPA in 40 patients to find out.

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 help doctors understand how well lung blood vessels recover after the procedure, potentially guiding better treatment decisions for CTEPH patients.

What could go wrong

This is a small, early-stage observational study with only 40 participants. It measures a biomarker, not direct health outcomes, so results may not change treatment or predict patient recovery.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • David Langleben

    RECRUITING

    Montreal, Quebec, H3W 2C4, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact