Promising lung clot treatment study halted before it began

NCT ID NCT04996667

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study was designed to see if breathing in nitric oxide gas could improve blood flow in the lungs of people with a serious pulmonary embolism (a blood clot in the lung). The plan was to measure heart and lung pressures in 20 patients at UCLA. However, the study was withdrawn before any participants were enrolled, so no results are available.

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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.

Contacts and locations

Locations

  • Ronald Reagan UCLA Medical Center

    Los Angeles, California, 90095, United States