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A Phase 2, Open-Label, Single-Arm Trial of FT819 in Participants With Lupus Nephritis (RECLAIM-LN)

7. mai 2026 oppdatert av: Fate Therapeutics

A Phase 2, Open-Label, Single-Arm Trial of FT819 in Participants With Refractory Moderate-to-Severe Systemic Lupus Erythematosus With Lupus Nephritis (RECLAIM-LN)

The primary objective of this trial is to evaluate the efficacy and safety of FT819, comprised of allogeneic T cells that express a CD19-targeted CAR, following bendamustine administration in participants with refractory moderate-to-severe lupus nephritis, as assessed by the proportion of participants who achieve complete renal response (CRR) at Week 26.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

This is a multicenter, phase 2 single-arm trial designed to evaluate the efficacy and safety of FT819 in participants with moderate-to-severe systemic lupus erythematosus (SLE) with Class III/IV lupus nephritis (LN) (with or without concomitant Class V involvement) refractory to at least 2 immunosuppressive therapies prior to trial intervention.

Participants will undergo a screening period of up to 28 days. Following screening, trial intervention will consist of bendamustine administration followed by a single dose of FT819. Efficacy, safety, and exploratory assessments will be conducted at predefined timepoints through Month 24 of post-treatment follow-up (PTFU). Following completion of these scheduled assessments, participants will continue in long-term follow-up (LTFU) for up to 15 years after FT819 administration to monitor ongoing safety and survival.

Efficacy and disease activity will be assessed using standard LN measures, including complete renal response (CRR) and PRR (partial renal response), as well as clinician-reported outcomes, such as the SLEDAI-2K, BILAG, and PGA, performed at specified timepoints.

Studietype

Intervensjonell

Registrering (Antatt)

53

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

  • Navn: Natalie Shiff, MD

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Barn
  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

INCLUSION CRITERIA:

  • Age ≥12 to ≤70 years
  • Diagnosis of SLE per EULAR/ACR 2019 classification criteria
  • Biopsy-proven proliferative Class III or IV LN, with or without concomitant Class V involvement, based on the 2003/2018 ISN/RPS classification

  • Positivity for at least one of the following autoantibodies at screening:

    1. Antinuclear antibody (ANA)
    2. Anti-double-stranded DNA (anti-dsDNA) or
    3. Anti-Smith antibody

  • Active disease, defined as:

    a. Evidence of SLE activity, defined as either: i. SLEDAI-2K ≥6 or ii. At least 1 BILAG A or 2 BILAG B scores for SLE-related organ involvement; and b. Evidence of renal involvement, defined as UPCr ≥1 g/g; and c. Moderate-to-severe renal disease with investigator's impression that improvement is possible

  • Refractory to ≥2 systemic immunosuppressive therapies for the treatment of LN

EXCLUSION CRITERIA:

  • Evidence of inadequate organ function during the screening period
  • Active central nervous system (CNS) symptoms attributable to autoimmune disease within 12 months prior to trial intervention
  • History of or current renal diseases (other than LN) that, in the opinion of the investigator, could interfere with assessment of LN or confound evaluation of disease activity
  • Receipt of dialysis (hemodialysis or peritoneal dialysis) within 12 weeks of trial intervention
  • Irreversible organ damage related to underlying disease (e.g., ESRD) where, in the opinion of the investigator, CD19 CAR T-cell therapy would be unlikely to benefit the participant
  • History of malignancy in the prior 5 years
  • Known allergy to the following FT819 components: albumin (human) or DMSO
  • History of intolerance or contraindication to bendamustine
  • Body weight <30 kg
  • Any medical condition, clinical laboratory abnormality, or nonmedical/social issue that, per investigator or medical monitor judgement, precludes safe participation in and completion of the trial or that could affect compliance with protocol conduct or interpretation of results

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: FT819
FT819, allogeneic T cells derived from a clonal, TCR knockout iPSC line that express CD19-targeted CAR regulated by the TRAC locus, given as a single IV infusion
Biologisk: FT819
Single Intravenous (IV) infusion of FT819 administered on Day 1

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Complete Renal Response (CRR) at Week 26
Tidsramme: Week 26

Proportion of participants achieving CRR at Week 26, with CRR defined as the achievement of all of the following criteria:

  • UPCR <0.5 g/g
  • Estimated glomerular filtration rate (eGFR) ≥85% of baseline or ≥60 mL/min/1.73 m2
  • No use of rescue therapy
Week 26

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
CRR at Week 52
Tidsramme: Week 52
Proportion of participants who achieve CRR at Week 52
Week 52
CRR at Week 104
Tidsramme: Week 104
Proportion of participants who achieve CRR at Week 104
Week 104
Overall Renal Response
Tidsramme: Up to approximately 2 years
Proportion of participants who achieve an overall renal response, defined as achievement of either CRR or partial renal response (PRR), evaluated at Week 26, Week 52, and Week 104
Up to approximately 2 years
Proportion of participants who achieve PRR at Week 26, Week 52, and Week 104
Tidsramme: Up to approximately 2 years

PRR is defined as achievement of all of the following:

  • ≥50% reduction in UPCr from baseline and to <3 g/g if baseline UPCr ≥3 g/g
  • eGFR ≥80% of baseline or ≥60 mL/min/1.73 m2
  • No use of rescue therapy
Up to approximately 2 years
Lupus Low Disease Activity State (LLDAS)
Tidsramme: Up to approximately 2 years
Proportion of participants who achieve lupus low disease activity state (LLDAS) at Week 26, Week 52, and Week 104
Up to approximately 2 years
Definition of Remission in SLE (DORIS)
Tidsramme: Up to approximately 2 years
Proportion of participants who achieve a definition of remission in SLE (DORIS) at Week 26, Week 52, and Week 104
Up to approximately 2 years
Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue
Tidsramme: Up to approximately 2 years
Change from baseline in Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue (adults age ≥18 years) score at Week 26, Week 52, and Week 104
Up to approximately 2 years
Proportion of participants who achieve SLE Responder Index-4 (SRI-4)
Tidsramme: Up to approximately 2 years
Proportion of participants who achieve SLE Responder Index-4 (SRI-4) at Week 26, Week 52, and Week 104
Up to approximately 2 years

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Fate Therapeutics

Publikasjoner og nyttige lenker

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Hjelpsomme linker

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. juli 2026

Primær fullføring (Antatt)

1. juli 2029

Studiet fullført (Antatt)

31. januar 2030

Datoer for studieregistrering

Først innsendt

30. april 2026

Først innsendt som oppfylte QC-kriteriene

30. april 2026

Først lagt ut (Faktiske)

6. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

11. mai 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

7. mai 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • FT819-201

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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