Breakthrough drug combo may replace plasma exchange for rare blood disease

NCT ID NCT05468320

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

Summary

This study tested whether a drug called caplacizumab, combined with immune-suppressing medicines, could treat a rare blood clotting disorder called immune-mediated thrombotic thrombocytopenic purpura (iTTP) without the usual plasma exchange procedure. Fifty-one adults aged 18 to 80 took part. The goal was to see if this drug-only approach could bring the disease under control and avoid the need for plasma exchange.

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Conditions

The condition(s) this trial relates to.

acquired thrombotic thrombocytopenic purpura thrombotic thrombocytopenic purpura

As listed by the trial registrant

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

Contacts and locations

Locations

  • Duke University Medical Center Site Number : 8400022

    Durham, North Carolina, 27710-4000, United States

  • Investigational Site Number : 0560003

    Yvoir, 5530, Belgium

  • Investigational Site Number : 1240001

    Toronto, Ontario, M5B 1W8, Canada

  • Investigational Site Number : 2030001

    Brno, 62500, Czechia

  • Investigational Site Number : 2030003

    Prague, 128 00, Czechia

  • Investigational Site Number : 2500001

    Paris, 75012, France

  • Investigational Site Number : 2500002

    Bois-Guillaume, 76230, France

  • Investigational Site Number : 2500003

    Paris, 75010, France

  • Investigational Site Number : 2500005

    Lille, 59037, France

  • Investigational Site Number : 2760001

    Frankfurt am Main, 60590, Germany

  • Investigational Site Number : 2760002

    Cologne, 50937, Germany

  • Investigational Site Number : 2760004

    Hanover, 30625, Germany

  • Investigational Site Number : 2760006

    Berlin, 10117, Germany

  • Investigational Site Number : 3800001

    Milan, Lombardy, 20122, Italy

  • Investigational Site Number : 3800003

    Avellino, Campania, 83100, Italy

  • Investigational Site Number : 3800004

    Vicenza, 36100, Italy

  • Investigational Site Number : 3800005

    Verona, 37134, Italy

  • Investigational Site Number : 3800006

    Genova, 16132, Italy

  • Investigational Site Number : 3920001

    Iruma-gun, Saitama, 350-0495, Japan

  • Investigational Site Number : 3920003

    Kurashiki-shi, Okayama-ken, 710-8602, Japan

  • Investigational Site Number : 5280002

    Amersfoort, 3818 TZ, Netherlands

  • Investigational Site Number : 7240001

    Madrid / Madrid, Madrid, Comunidad de, 28007, Spain

  • Investigational Site Number : 8260001

    London, London, City of, NW1 2PG, United Kingdom

  • Investigational Site Number : 8260002

    Liverpool, L7 8XP, United Kingdom

  • Johns Hopkins University- Site Number : 8400007

    Baltimore, Maryland, 21287, United States

  • The Ohio State University Comprehensive Cancer Center - Site Number : 8400001

    Columbus, Ohio, 43210, United States

  • University of Alabama- Site Number : 8400011

    Birmingham, Alabama, 35233, United States