New pill could stop painful swelling attacks in rare disease

NCT ID NCT04618211

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

Summary

This study tested an oral medication called deucrictibant for quickly relieving swelling and pain attacks in people with hereditary angioedema (HAE) types I and II. 74 adults received either one of three doses of the drug or a placebo during an attack. The main goal was to see if symptoms like skin swelling, skin pain, and belly pain improved more with the drug than with placebo within 4 hours.

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Conditions

The condition(s) this trial relates to.

C1 inhibitor deficiency hereditary angioedema hereditary angioedema type 1 hereditary angioedema type 2 Hereditary Angioedema Types I and II hereditary angioedema with C1Inh deficiency

As listed by the trial registrant

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

Contacts and locations

Locations

  • Study site

    Birmingham, Alabama, 35209, United States

  • Study site

    Paradise Valley, Arizona, 85253, United States

  • Study site

    San Diego, California, 92122, United States

  • Study site

    Santa Monica, California, 90404, United States

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    Walnut Creek, California, 94598, United States

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    Chevy Chase, Maryland, 20815, United States

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    St Louis, Missouri, 63141, United States

  • Study site

    Hershey, Pennsylvania, 17033, United States

  • Study site

    Sofia, Bulgaria

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    Edmonton, Alberta, Canada

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    Ottawa, Ontario, Canada

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    Toronto, Ontario, Canada

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    Montreal, Quebec, Canada

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    Québec, Quebec, Canada

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    Brno, Czechia

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    Hradec Králové, Czechia

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    Grenoble, France

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    Montpellier, France

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    Paris, France

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    Berlin, Germany

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    Dresden, Germany

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    Frankfurt, Germany

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    Mainz, Germany

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    Ulm, Germany

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    Budapest, Hungary

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    Ashkelon, Israel

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    Haifa, Israel

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    Tel Aviv, Israel

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    Monserrato, Italy

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    Naples, Italy

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    Amsterdam, Netherlands

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    Krakow, Poland

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    Barcelona, Spain

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    Madrid, Spain

  • Study site

    Brighton, United Kingdom

  • Study site

    London, United Kingdom