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CD19 CAR-T Therapy for Refractory Childhood-Onset Systemic Lupus Erythematosus

27. september 2026 opdateret af: Seoul National University Hospital

A Clinical Study of CD19 Chimeric Antigen Receptor T-Cell Therapy for Patients With Refractory Childhood-Onset Systemic Lupus Erythematosus

This study is evaluating the safety and potential benefits of CD19 chimeric antigen receptor T-cell (CAR-T) therapy in children and young adults with severe systemic lupus erythematosus (SLE) that began during childhood. The study will include up to 8 participants aged 25 years or younger whose disease remains active despite treatment with multiple immune-suppressing medicines and has affected at least one major organ.

CAR-T cells will be made from each participant's own T cells and modified to recognize CD19, a protein found on B cells that contribute to SLE. Participants will receive chemotherapy to reduce existing immune cells, followed by a single intravenous infusion of SNUH-CD19-CAR-T cells. They will be monitored for side effects and changes in disease activity, organ involvement, laboratory findings, and the need for steroids or other immune-suppressing medicines. The main assessment will be performed 1 year after the CAR-T cell infusion.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

8

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

      • Seoul, Sydkorea
        • Rekruttering
        • Seoul National University Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

Ikke ældre end 25 år (Barn, Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Participants must be 25 years of age or younger at the time of SNUH-CD19-CAR-T infusion.

  2. Participants must have a diagnosis of systemic lupus erythematosus and meet the 2019 European Alliance of Associations for Rheumatology/American College of Rheumatology classification criteria for systemic lupus erythematosus.

  3. Participants must be currently receiving or have previously received at least three of the following therapies, including corticosteroids: hydroxychloroquine, methotrexate, cyclophosphamide, mycophenolate mofetil, cyclosporine, tacrolimus, rituximab, or belimumab.

  4. Participants must have involvement of at least one of the following major organ systems:

    • Kidney: class II-V lupus nephritis confirmed by biopsy or proteinuria greater than 0.5 g/day
    • Heart: pericarditis, myocarditis, conduction abnormality, or valvular disease
    • Lung: pleuritis, interstitial lung disease, or pulmonary arterial hypertension
    • Hematologic system: platelet count below 50,000/μL or hemolytic anemia
  5. Participants must have uncontrolled active disease, defined as a Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) score of 10 or higher.

Exclusion Criteria:

  1. Severe active central nervous system lupus requiring current treatment, including uncontrolled seizures, psychotic symptoms, or cognitive impairment.
  2. Inability to obtain an adequate leukapheresis product suitable for the manufacture of SNUH-CD19-CAR-T cells.
  3. Known human immunodeficiency virus infection.
  4. Uncontrolled active infection, as determined by the investigator. An infection will be considered controlled if appropriate treatment has been administered and there is no evidence of progression at enrollment. Persistent fever without other signs or symptoms of infection will not, by itself, be considered evidence of progressive infection.
  5. Pregnancy or breastfeeding.
  6. Any medical or other condition that, in the investigator's clinical judgment, makes participation in the study inappropriate.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: SNUH-CD19-CAR-T Treatment

Participants will receive protocol-defined lymphodepleting chemotherapy followed by a single intravenous infusion of autologous SNUH-CD19-CAR-T cells at a dose of 0.2 to 1.0 × 10^6 CAR-positive viable T cells/kg.

Autologous T cells genetically modified to express a CD19-targeted chimeric antigen receptor. Participants will receive a single intravenous infusion at a dose of 0.2 to 1.0 × 10^6 CAR-positive viable T cells/kg.

Participants will receive protocol-defined lymphodepleting chemotherapy before CAR-T cell infusion. The preferred regimen consists of intravenous fludarabine 30 mg/m²/day for 4 days and cyclophosphamide 500 mg/m²/day for 2 days. Alternative regimens, dose reduction, partial administration, or omission may be used according to the protocol and the investigator's clinical judgment

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Proportion of Participants Achieving Lupus Low Disease Activity State
Tidsramme: 1 year after SNUH-CD19-CAR-T infusion
1 year after SNUH-CD19-CAR-T infusion

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Proportion of Participants With Lupus Nephritis Achieving a Renal Response
Tidsramme: 1 year after SNUH-CD19-CAR-T infusion

Among participants with lupus nephritis at baseline, renal response is defined as achievement of either a complete or partial renal response according to protocol-specified criteria. Complete renal response requires eGFR ≥90 mL/min/1.73 m² or ≥90% of baseline, urine protein-to-creatinine ratio <0.5 g/g, normal or inactive urinary sediment, and normal serum creatinine or a value within 15% of baseline. Partial renal response requires eGFR ≥80% of baseline or an improvement of ≥25%, a ≥50% reduction in urine protein-to-creatinine ratio to <3.0 g/g, and serum creatinine ≤125% of baseline.

1 year after SNUH-CD19-CAR-T infusion

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

14. september 2026

Primær færdiggørelse (Anslået)

1. december 2028

Studieafslutning (Anslået)

1. december 2028

Datoer for studieregistrering

Først indsendt

27. september 2026

Først indsendt, der opfyldte QC-kriterier

27. september 2026

Først opslået (Faktiske)

2. oktober 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

27. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • SNUH-CD19-CART-SLE-01

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .