New antibody shows promise in slowing kidney disease

NCT ID NCT05065970

First seen May 07, 2026 · Last updated May 08, 2026 · Updated 1 time

Summary

This study tested a drug called felzartamab in 54 adults with IgA nephropathy, a kidney disease that can lead to kidney failure. The goal was to see if the drug could lower protein levels in urine, a sign of kidney damage. Participants received either the drug or a placebo, and researchers measured changes in proteinuria over 9 months.

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Contacts and locations

Locations

  • Ajou University Hospital

    Suwon, Gyeonggido, 16499, South Korea

  • Amicis Research Center, Vacaville

    Vacaville, California, 95687, United States

  • CHU Sart Tilman Hospital

    Liège, 4000, Belgium

  • Clinical Centre of Vojvodina

    Novi Sad, Vojvodina, 21000, Serbia

  • Clinical Hospital Centar Zvezdara

    Belgrade, Serbia

  • Clinical Hospital Center Bezanijska Kosa

    Belgrade, 11080, Serbia

  • Communal Nonprofit Enterprise "Kyiv City Center of Nephrology and Dialysis"

    Kyiv, Ukraine

  • Core Research Group

    Milton, Queensland, 4064, Australia

  • Diagnostic- Consultative Center Convex EOOD

    Sofia, Sofia-Grad, 1680, Bulgaria

  • Eticka komise Fakultni nemocnice Olomouc

    Olomouc, Olomouc Region, 775 20, Czechia

  • FOMAT Medical Research - FOMAT - HyperCore - PPDS

    Oxnard, California, 93030, United States

  • Fakultni nemocnice Kralovske Vinohrady Hospital

    Prague, Praha, Hlavní Mesto, 10034, Czechia

  • Far Eastern Memorial Hospital

    Taipei, 220, Taiwan

  • Fukushima Medical University Hospital

    Fukushima, Hukusima, 960-1295, Japan

  • Fundacio Puigvert

    Badalona, 8025, Spain

  • General Hospital Krusevac

    Kruševac, 37000, Serbia

  • Hokkaido University Hospital

    Sapporo, Hokkaidô, 060-8648, Japan

  • Hospital Clinic de Barcelona

    Barcelona, 8036, Spain

  • Hospital Ruber Juan Bravo (Grupo Quironsalud)

    Madrid, Spain

  • Hospital Universitari Arnau de Vilanova

    Lleida, 25198, Spain

  • Hospital Universitari de Girona Dr Josep Trueta

    Girona, Spain

  • Hospital Universitario Germans Trias i Pujol

    Badalona, 8916, Spain

  • Hospital Universitario Vall d'Hebron - PPDS

    Barcelona, 8035, Spain

  • Hospital del Mar

    Barcelona, 8003, Spain

  • Hospital of the University of Occupational and Environmental Health, Japan

    Kitakyushu-Shi, Hukuoka, 807-8556, Japan

  • Imelda VZW

    Bonheiden, Antwerpen, Belgium

  • JCHO Sendai Hospital

    Sendai, Miyagi, 981-3205, Japan

  • JSC Evex Hospitals

    Tbilisi, 121, Georgia

  • Japanese Red Cross Ashikaga Hospital

    Ashikaga-Shi, Tochigi, 326-0843, Japan

  • Juntendo University Hospital

    Bunkyō-Ku, Tokyo, 113-8431, Japan

  • Konkuk University Medical Center

    Seoul, Seoul Teugbyeolsi, 5030, South Korea

  • Kurume University Hospital

    Kurume-Shi, Hukuoka, 830-0011, Japan

  • L. Managadze National Center of Urology LTD

    Tbilisi, 144, Georgia

  • Mayo Clinic Hospital - Methodist Campus

    Rochester, Minnesota, 55902, United States

  • MedResearch INC

    El Paso, Texas, 79935, United States

  • Medical Center Hera EOOD, Montana

    Montana, 3400, Bulgaria

  • Medical Center Hipokrat- N EOOD

    Plovdiv, 4000, Bulgaria

  • Medizinische Hochschule Hannover

    Hanover, Lower Saxony, 30625, Germany

  • Municipal Non-profit Enterprise Ternopil Regional Clinical Hospital of Ternopil Regional Council

    Ternopil, Ternopil Oblast, 46002, Ukraine

  • Municipal Nonprofit Enterprise Zaporizhzhia Regional Clinical Hospital Zaporizhzhia Regional Council

    Zaporizhzhia, 69600, Ukraine

  • National Hospital Organization Chibahigashi National Hospital

    Chiba, Chiba, 260-0801, Japan

  • Nemocnice AGEL Novy Jicin a.s

    Nový Jicín, Moravian-Silesian Region, 741 01, Czechia

  • Osaka University Hospital

    Suita-Shi, Ôsaka, 565-0871, Japan

  • Regionaal Ziekenhuis Jan Yperman VZW

    Ieper, Belgium

  • Seoul National University Bundang Hospital

    Seongnam, Gyeonggido, 13620, South Korea

  • St Frances Cabrini Medical Center and Cancer Institute

    Santo Tomas, Batangas, 4234, Philippines

  • State Institution Institute of Nephrology of NAMS of Ukraine

    Kyiv, Ukraine

  • Sunshine Hospital - Australia

    Saint Albans, Victoria, Australia

  • Taichung Veterans General Hospital

    Taichung, 407, Taiwan

  • Taipei Medical University Shuang Ho Hospital

    New Taipei City, 23561, Taiwan

  • Tbilisi State Medical University's and Ingorokva's University Clinic of High Medical Technologies

    Tbilisi, 144, Georgia

  • The Catholic University of Korea, Uijeongbu St. Mary's Hospital

    Uijeongbu-si, South Korea

  • UZ Leuven Hospital

    Leuven, Vlaams Brabant, 3000, Belgium

  • University Clinical Center Nis

    Niš, 18000, Serbia

  • University Malaya Medical Centre

    Pantai, Malaysia

  • University Multiprofile Hospital for Active Treatment

    Stara Zagora, Bulgaria

  • Universitätsklinikum Essen

    Essen, North Rhine-Westphalia, 45122, Germany

  • Universitätsmedizin der Johannes Gutenberg-Universität Mainz

    Mainz, Germany

  • Vseobecna Fakultni Nemocnice V Praze

    Prague, Praha, Hlavní Mesto, 128 08, Czechia

Conditions

Explore the condition pages connected to this study.