New hope for kids with kidney disease: drug may cut relapses and steroids
NCT ID NCT05627557
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a drug called obinutuzumab against a standard treatment (MMF) in children and young adults with a kidney condition that causes frequent relapses. The goal is to see if obinutuzumab can keep the disease in remission longer and reduce the need for steroids. About 85 participants aged 2 to 25 will be randomly assigned to one of the two treatments.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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85 people
The number who actually took part.
- Started
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Mar 2023
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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2 to 25 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of frequently relapsing nephrotic syndrome (FRNS) or steroid dependent nephrotic syndrome (SDNS) before the age of 18 years * Must be in complete remission defined by the absence of edema, UPCR \<= 0.2 g/g at screening and have three consecutive daily urine dipstick readings of trace or negative for protein within the week prior to randomization * Must have had at least one relapse in the 6 months prior to screening, after discontinuation of or while receiving oral corticosteroids and/or immunosuppressive therapy to prevent relapses * Participants having received cyclophosphamide in the 6 months prior to randomization must have experienced at least 1 relapse subsequent to cyclophosphamide discontinuation * Estimated glomerular filtration rate (eGFR) within normal range for age * For females of childbearing potential: participants who agree to remain abstinent (refrain from heterosexual intercourse) or use highly effective contraception, during the treatment period and for 18 months after the final dose of obinutuzumab and for 6 weeks after the final dose of MMF * For males: participants who agree to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods, and agree to refrain from donating sperm during the treatment period and for 90 days after the final dose of MMF Exclusion Criteria: * Secondary nephrotic syndrome * History of steroid resistant nephrotic syndrome * History of genetic defects known to directly cause nephrotic syndrome * Treatment with other immunosuppressive medications to prevent relapse, other than MMF or oral corticosteroids within 2 months prior to randomization * Pregnancy or breastfeeding or intending to become pregnant during the study or within 18 months after the final dose of obinutuzumab, or within 6 weeks after the final dose of MMF * Females of childbearing potential, including those who have had a tubal ligation, must have a negative serum pregnancy test result within 28 days prior to initiation of study treatment and a negative urine pregnancy test at Day 1, prior to randomization * History of organ or bone marrow transplant * Participation in another therapeutic trial within 30 days of enrollment or 5 half-lives of the investigational drug * Intolerance or contraindication to study therapies * Participants demonstrating prior treatment failure to MMF as defined by two or more relapses in any 6-month period of time while receiving MMF for at least a 6-month duration * Participants in the judgment of the investigator likely to require systemic corticosteroids for reasons other than idiopathic nephrotic syndrome during the study * Active infection of any kind or any major episode of infection requiring hospitalization or treatment with IV anti-infective medications within 4 weeks prior to screening, or completion of oral anti-infectives within 2 weeks prior to randomization * History of or currently active primary or secondary immunodeficiency, including known history of human immunodeficiency virus (HIV) infection and other severe Immunodeficiency blood disorders * History of progressive multifocal leukoencephalopathy * History of or current cancer, including solid tumors, hematological malignancies, and carcinoma in situ within the past 5 years * Major surgery requiring hospitalization during the 4 weeks prior to screening or during screening * High risk for clinically significant bleeding or any condition requiring plasmapheresis, intravenous immunoglobulin, or acute blood product transfusions * Evidence of any significant or uncontrolled concomitant disease that, in the investigator's judgment, would preclude participant's participation, including but not limited to nervous system, respiratory, cardiac, hepatic, endocrine, malignant, or gastrointestinal disorders * Currently active alcohol or drug abuse or history of alcohol or drug abuse
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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
Locations
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Children's Healthcare of Atlanta Center for Advanced Pediatrics
Atlanta, Georgia, 30329-2309, United States
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Chu Toulouse
Toulouse, Haute-Garonne, 31300, France
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Dokkyo Medical University Hospital
Shimotsuga-Gun, 321-0293, Japan
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Dzieciecy Szpital Kliniczny UCK WUM
Warsaw, 02-091, Poland
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Fundacao Faculdade Regional de Medicina de Sao Jose Do Rio Preto Hospital de Base - PPDS
São José do Rio Preto, São Paulo, 15090-000, Brazil
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Hackensack University Medical Center
Hackensack, New Jersey, 07601-1915, United States
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Henan Children's Hospital Zhengzhou Children's Hospital
Zhengzhou, 450018, China
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Hokkaido University Hospital
Hokkaido, 060-8648, Japan
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Hopital Femme Mere Enfants
Bron, 69500, France
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Hopital Henri Mondor
Créteil, 94010, France
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Hopital Robert Debre
Paris, 75935, France
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Hospital Sant Joan de Deu - PIN
Espluges de Llobregat, Barcelona, 08950, Spain
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Hospital Universitario Cruces
Barakaldo, Vizcaya, 48903, Spain
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Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo
São Paulo, São Paulo, 05403-000, Brazil
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Hyogo prefectural Kobe Children's Hospital
Hyogoken, 6500047, Japan
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Irmandade Da Santa Casa de Misericordia de Porto Alegre
Porto Alegre, Rio Grande do Sul, 90020-090, Brazil
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Istituto G Gaslini Ospedale Pediatrico IRCCS - INCIPIT - PIN
Genoa, Liguria, 16147, Italy
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Kitasato University Hospital
Sagamihara-Shi, 252-0329, Japan
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Kobe University Hospital
Kobe, 650-0017, Japan
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Levine Children's Hospital
Charlotte, North Carolina, 28203-5866, United States
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Lucile Packard Children's Hospital - Stanford
Palo Alto, California, 94304-1601, United States
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Memorial Healthcare System
Hollywood, Florida, 33021, United States
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National Center for Child Health and Development
Tokyo, 157-8535, Japan
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Nemours Children's Hospital
Orlando, Florida, 32827-7884, United States
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Nicklaus Children's Hospital
Miami, Florida, 33155-3009, United States
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Ospedale Infantile Regina Margherita - INCIPIT - PIN
Turin, Piedmont, 10126, Italy
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Peking University First Hospital
Beijing, 102627, China
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Shiga University Of Medical Science Hospital
Ōtsu, 520-2192, Japan
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The First Affiliated Hospital of Sun Yat-sen University
Guangzhou, 510080, China
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The children's hospital , Zhejiang university school of medicine
Hangzhou, 310003, China
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Tokyo Metropolitan Children's Medical Center
Fuchu-Shi, 183-0042, Japan
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Tongji Hospital Tongji Medical College Huazhong University of Science and Technology
Wuhan, 430040, China
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UZ Gent
Ghent, 9000, Belgium
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University of South Florida
Tampa, Florida, 33606-3475, United States
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University of Utah - Primary Children's Hospital - PPDS
Salt Lake City, Utah, 84113-1103, United States
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University of Virginia Health System
Charlottesville, Virginia, 22903, United States
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Uniwersyteckie Centrum Kliniczne
Gdansk, Poland
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Xi'an Children's Hospital
Xi'an, 710003, China
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Yokohama City University Medical Center
Yokohama, 232-0024, Japan