New shot shows promise for Long-Term control of bleeding disorder

NCT ID NCT06948318

First seen Jun 27, 2026 · Last updated Aug 14, 2026 · Updated 3 times

Summary

This study tests the long-term safety of a drug called mezagitamab for adults with chronic immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing easy bruising and bleeding. About 150 participants who completed earlier mezagitamab studies will receive the drug as needed. Researchers will monitor side effects and how well the drug controls platelet levels over time.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • A.O.U. Maggiore della Carita

    RECRUITING

    Novara, 28100, Italy

  • AOU Citta della Salute e della Scienza di Torino

    NOT_YET_RECRUITING

    Torino, 10126, Italy

  • ASST Grande Ospedale Metropolitano Niguarda - Presidio Ospedaliero Ospedale Niguarda

    NOT_YET_RECRUITING

    Milan, 20162, Italy

  • American Oncology Partners of Maryland, PA

    NOT_YET_RECRUITING

    Morristown, New Jersey, 07960, United States

  • Ankara University Faculty of Medicine Cebeci Hospital, Department of Hematology

    NOT_YET_RECRUITING

    Mamak, Ankara, 6620, Turkey (Türkiye)

  • Asan Medical Center

    NOT_YET_RECRUITING

    Seoul, 5505, South Korea

  • Aydin Adnan Menderes University Medical Faculty-Hematology Department

    NOT_YET_RECRUITING

    Efeler, Aydın, 9100, Turkey (Türkiye)

  • Azienda Ospedaliera Di Rilievo Nazionale E Di Alta Specializzazione Garibaldi

    NOT_YET_RECRUITING

    Catania, Sicily, 95122, Italy

  • Azienda Ospedaliera Universitaria Federico II

    NOT_YET_RECRUITING

    Naples, Campania, 80131, Italy

  • Azienda Ospedaliera Universitaria Policlinico Sant'Orsola Malpighi

    NOT_YET_RECRUITING

    Bologna, 40123, Italy

  • Azienda Ospedaliera Universitaria Policlinico Tor Vergata

    NOT_YET_RECRUITING

    Rome, oo133, Italy

  • Azienda ULSS 8 Berica - Ospedale San Bortolo

    RECRUITING

    Vicenza, 36100, Italy

  • Azienda sanitaria universitaria Giuliano Isontina

    RECRUITING

    Trieste, 34129, Italy

  • Barts Health NHS Trust, Royal London Hospital

    RECRUITING

    London, E11BB, United Kingdom

  • Baylor College of Medicine

    NOT_YET_RECRUITING

    Houston, Texas, 77030, United States

  • C.A.U de Burgos - Hospital Universitario de Burgos

    NOT_YET_RECRUITING

    Burgos, 9006, Spain

  • Canberra Hospital

    RECRUITING

    Garran, Australian Capital Territory, 2605, Australia

  • Cerrahpasa Tip Fakultesi

    NOT_YET_RECRUITING

    Edirne, 22030, Turkey (Türkiye)

  • Chiba Aoba Municipal Hospital

    NOT_YET_RECRUITING

    Chuo-ku, Chiba, 260-0852, Japan

  • Chibaken Saiseikai Narashino Hospital

    NOT_YET_RECRUITING

    Narashino-shi, Chiba, 275-8580, Japan

  • Clinical Hospital Centar Zagreb

    NOT_YET_RECRUITING

    Zagreb, 10000, Croatia

  • Concord Repatriation General Hospital

    NOT_YET_RECRUITING

    Concord, New South Wales, 2139, Australia

  • Duke University Hospital

    NOT_YET_RECRUITING

    Durham, North Carolina, 27710, United States

  • East Carolina University

    NOT_YET_RECRUITING

    Greenville, North Carolina, 27837, United States

  • Emory University

    NOT_YET_RECRUITING

    Atlanta, Georgia, 30308, United States

  • Erasmus Medical Center, Department of Hematology

    NOT_YET_RECRUITING

    Rotterdam, South Holland, 3015 GD, Netherlands

  • Fiona Stanley Hospital

    NOT_YET_RECRUITING

    Murdoch, Western Australia, 6150, Australia

  • Fondazione IRCCS San Gerardo Dei Tintori

    NOT_YET_RECRUITING

    Monza, 20900, Italy

  • General Hospital of Thessaloniki George Papanikolaou

    RECRUITING

    Thessaloniki, Greece

  • Genesis Cancer and Blood Institute - SCRI

    NOT_YET_RECRUITING

    Hot Springs, Arkansas, 71913, United States

  • Georgetown University Medical Center - Lombardi Comprehensive Cancer Center

    NOT_YET_RECRUITING

    Washington D.C., District of Columbia, 20007, United States

  • Greater Glasgow Health Board

    NOT_YET_RECRUITING

    Glasgow, Scotland, G312ER, United Kingdom

  • Guangdong Provincial People's Hospital

    NOT_YET_RECRUITING

    Guangzhou, Guangdong, 510080, China

  • Guy's Hospital - Guy's & St. Thomas NHS Foundation Trust

    NOT_YET_RECRUITING

    Southwark, London, DE1 9RT, United Kingdom

  • Hagaziekenhuis

    NOT_YET_RECRUITING

    The Hague, South Holland, 2545AA, Netherlands

  • Hematology Ohta Clinic,Shinsaibashi

    RECRUITING

    Osaka, Osaka, 542-0081, Japan

  • Henan Cancer Hospital

    RECRUITING

    Zhengzhou, Henan, 450004, China

  • Hospital General Universitario Gregorio Maranon

    NOT_YET_RECRUITING

    Madrid, Mardrid, 28007, Spain

  • Hospital Universitario 12 de Octubre

    NOT_YET_RECRUITING

    Madrid, Mardrid, 28041, Spain

  • Hospital Universitario De Salaman

    NOT_YET_RECRUITING

    Salamanca, 37007, Spain

  • Hospital Universitario Fundacion Alcorcon

    NOT_YET_RECRUITING

    Alcorcón, Mardrid, 28922, Spain

  • Hospital Universitario Virgen del Rocio

    RECRUITING

    Seville, 41013, Spain

  • IN-VIVO sp. z o.o.

    WITHDRAWN

    Bydgoszcz, Kuyavian-Pomeranian Voivodeship, 85-048, Poland

  • Imperial College Healthcare NHS Trust

    RECRUITING

    London, W12 0HS, United Kingdom

  • Innovative Hematology, Inc.

    NOT_YET_RECRUITING

    Indianapolis, Indiana, 46260, United States

  • Institute of Hematology and Blood Diseases Hospital Chinese Academy of Medical Sciences - PPDS

    RECRUITING

    Tianjin, Tianjin Municipality, 300020, China

  • Instytut Hematologii i Transfuzjologii Klinika Zaburzen Hemostazy i Chorob Wewnetrznych

    NOT_YET_RECRUITING

    Warsaw, Masovian Voivodeship, 02-776, Poland

  • Jinshan Hospital of Fudan University

    RECRUITING

    Shanghai, Shanghai Municipality, 201508, China

  • Kansai Medical University Hospital

    RECRUITING

    Hirakata-shi, Osaka, 573-1191, Japan

  • Korea University Anam Hospital

    RECRUITING

    Seoul, 2841, South Korea

  • Kyungpook National University Hospital

    NOT_YET_RECRUITING

    Daegu, 41944, South Korea

  • Leeds Teaching Hospitals NHS Trust

    RECRUITING

    Leeds, Yorkshire, LS9 TF, United Kingdom

  • Lewis Katz School of Medicine at Temple University

    NOT_YET_RECRUITING

    Philadelphia, Pennsylvania, 19140, United States

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

  • Medical Center "Fama Medical"

    RECRUITING

    Plovdiv, 4002, Bulgaria

  • MidAmerica Cancer Center

    NOT_YET_RECRUITING

    Kansas City, Missouri, 64132, United States

  • Military Medical Academy Multiprofile Hospital for Active Treatment - Sofia

    RECRUITING

    Sofia, Sofia-Grad, 1606, Bulgaria

  • Monash University - Australian Centre for Blood Diseases (ACBD)

    RECRUITING

    Melbourne, Victoria, 3004, Australia

  • N. Copernicus Provincial MCOT in Lodz

    NOT_YET_RECRUITING

    Lodz, Łódź Voivodeship, 93-513, Poland

  • National Hospital Organization Mito Medical Center

    NOT_YET_RECRUITING

    Ibaraki, 311-3193, Japan

  • Nihon University Itabashi Hospital

    RECRUITING

    Itabashi-ku, Tokyo, 173-8610, Japan

  • Olympion General Clinic & Rehabilitation Center

    NOT_YET_RECRUITING

    Pátrai, 264 43, Greece

  • Oregon Health & Science University

    RECRUITING

    Portland, Oregon, 97239, United States

  • Osaka University Hospital

    RECRUITING

    Suita-shi, Osaka, 565-0871, Japan

  • Peking Union Medical College Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100730, China

  • Perelman Center for Advanced Medicine (PCAM) Hospital of The University of Pennsylvania Penn Blood Disorders Program

    NOT_YET_RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

  • Perth Blood Institute

    RECRUITING

    West Perth, Western Australia, 6005, Australia

  • Peter MacCallum Cancer Centre

    NOT_YET_RECRUITING

    Melbourne, Victoria, 3000, Australia

  • Pratia Onkologia Katowice - PRATIA

    NOT_YET_RECRUITING

    Katowice, Silesian Voivodeship, 40-523, Poland

  • Qilu Hospital of Shandong University

    RECRUITING

    Jinan, Shandong, 250012, China

  • Queen Mary Hospital

    RECRUITING

    Hong Kong, Pok Fu Lam, Hong Kong

  • Rocky Mountain Cancer Center

    WITHDRAWN

    Denver, Colorado, 80218, United States

  • Royal Liverpool and Broadgreen University Hospitals NHS Trust

    NOT_YET_RECRUITING

    Liverpool, Merseyside, L7 8XP, United Kingdom

  • Saitama Medical University Hospital

    RECRUITING

    Iruma-gun, Saitama, 350-0495, Japan

  • Sakarya University Education and Research Hospital

    NOT_YET_RECRUITING

    Sakarya, 54290, Turkey (Türkiye)

  • Samsung Medical Center

    RECRUITING

    Seoul, 06351, South Korea

  • Seoul National University Bundang Hospital

    RECRUITING

    Seongnam-si, Gyeonggi-do, 13620, South Korea

  • Seoul National University Hospital (SNUH)

    NOT_YET_RECRUITING

    Seoul, 03080, South Korea

  • Severance Hospital, Yonsei University Health System

    RECRUITING

    Seoul, 03722, South Korea

  • Shaanxi Provincial People's Hospital

    NOT_YET_RECRUITING

    Xi'an, Shaanxi, 710068, China

  • Shengjing Hospital of China Medical University - Nanhu Campus

    NOT_YET_RECRUITING

    Shenyang, Liaoning, 110004, China

  • Southampton General Hospital

    RECRUITING

    Southampton, Hampshire, SO16 6YD, United Kingdom

  • St George Hospital

    RECRUITING

    Kogarah, New South Wales, 2217, Australia

  • The Alfred Hospital

    RECRUITING

    Melbourne, Victoria, 3005, Australia

  • The First Affiliated Hospital of Guangxi Medical University

    RECRUITING

    Nanning, Guangxi, 530021, China

  • The First Affiliated Hospital of Nanchang University - Donghu Campus

    RECRUITING

    Nanchang, Jiangxi, 330006, China

  • The First Affiliated Hospital of Soochow University - Shizijie Campus

    NOT_YET_RECRUITING

    Suzhou, Jiangsu, 215006, China

  • The First Hospital of Hebei Medical University

    RECRUITING

    Shijiazhuang, Hebei, 050031, China

  • The Second Affiliated Hospital of Kunming Medical University

    RECRUITING

    Kunming, Yunnan, 650101, China

  • The University of Iowa

    NOT_YET_RECRUITING

    Iowa City, Iowa, 52242, United States

  • The University of Tokyo Hospital

    RECRUITING

    Bunkyo-ku, Tokyo, 113-8655, Japan

  • Tohoku University Hospital

    RECRUITING

    Sendai, Miyagi, 980-8574, Japan

  • Tokyo Metropolitan Bokutoh Hospital

    RECRUITING

    Sumida-ku, Tokyo, 130-0022, Japan

  • Trakya Universitesi Tip Fakultesi Hastanesi

    NOT_YET_RECRUITING

    Edirne, 22030, Turkey (Türkiye)

  • UMHAT SofiaMed, OOD

    RECRUITING

    Sofia, 1750, Bulgaria

  • UMHAT Sv. Ivan Rilski

    RECRUITING

    Sofia, 1431, Bulgaria

  • USC Norris Comprehensive Cancer Center - Keck Medicine of USC

    NOT_YET_RECRUITING

    Los Angeles, California, 90033, United States

  • Union Hospital Tongji Medical College Huazhong University of Science and Technology

    RECRUITING

    Wuhan, Hebei, 430022, China

  • Universita degli Studi di Roma La Sapienza - Umberto I Policlinico di Roma

    NOT_YET_RECRUITING

    Rome, Lazio, oo610, Italy

  • University College London Hospitals

    NOT_YET_RECRUITING

    London, NW1 2PG, United Kingdom

  • University Hospitals of Leicester NHS Trust

    RECRUITING

    Leicester, East Midlands, LE1 5WW, United Kingdom

  • University Hospitals of North Midlands NHS Trust, Royal Stoke University Hospital

    RECRUITING

    Stoke-on-Trent, Staffordshire, ST4 6QG, United Kingdom

  • University Multiprofile Hospital for Active Treatment - Prof. Dr. Stoyan Kirkovich AD

    NOT_YET_RECRUITING

    Stara Zagora, 6003, Bulgaria

  • University Of Louisville Brown Cancer Center

    NOT_YET_RECRUITING

    Louisville, Kentucky, 40202, United States

  • University of Massachusetts Chan Medical School

    NOT_YET_RECRUITING

    Worcester, Massachusetts, 01655, United States

  • University of New South Wales (UNSW) - Liverpool Hospital - Liverpool Cancer Therapy Centre

    RECRUITING

    Liverpool, New South Wales, 2170, Australia

  • University of Washingto

    NOT_YET_RECRUITING

    Seattle, Washington, 98109, United States

  • Versiti Wisconsin, Inc

    NOT_YET_RECRUITING

    Milwaukee, Wisconsin, 53226, United States

  • Virginia Oncology Associates

    NOT_YET_RECRUITING

    Norfolk, Virginia, 23502, United States

  • West China Hospital Sichuan University

    RECRUITING

    Chengdu, Sichuan, 610041, China

  • Westmead Hospital

    RECRUITING

    Westmead, New South Wales, 2145, Australia

  • Yamanashi Prefectural Central Hospital

    RECRUITING

    Kofu, Yamanashi, 400-8506, Japan

  • Yokohama City University Medical Center

    NOT_YET_RECRUITING

    Yokohama, Kanagawa, 232-0024, Japan

  • Zhejiang Provincial Hospital of Chinese Medicine - Main

    NOT_YET_RECRUITING

    Hangzhou, Zhejiang, 310006, China

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