Status and phase
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About
A Phase 1 clinical trial to evaluate the safety and efficacy of PiggyBac transposon-mediated Chimeric Antigen Receptor(CAR) T-cells targeting CD19 in refractory Systemic Lupus Erythematosus (SLE) patients who have not responded to standard immunosuppressive treatments.
Full description
This is a single-institution phase I study in adults with refractory SLE. Autologous Peripheral Blood Mononuclear Cells will be transduced with a chimeric antigen receptor targeting the B-cell surface antigen CD19 using the PiggyBac Transposon system. Subjects will receive a conditioning lymphodepletion chemotherapy regimen of fludarabine and cyclophosphamide, followed by the infusion of 1x10^6 cells/kg CD-19 CAR T-cells. Subjects will be evaluated post-treatment for toxicity, SLE disease activity, and the persistence of CAR-expressing T cells in vivo.
Enrollment
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Ages
Volunteers
Inclusion criteria
Age between 18 and 60 years.
Diagnosis of Systemic Lupus Erythematosus (SLE), as defined by the American College of Rheumatology (ACR) 1997 criteria, The Systemic Lupus International Collaborating Clinics (SLICC) criteria, or the European Alliance of Associations for Rheumatology (EULAR)/ACR classification.
Refractory SLE, defined by one or more of the following:
3.1 Persistently active SLE requiring ongoing maintenance therapy (if not contraindicated) with:
3.2 Biopsy-proven proliferative lupus nephritis after two standard induction therapies, including intravenous cyclophosphamide (cumulative dose of at least 1.5 g) and mycophenolate mofetil (administered for a minimum of 3 months), unless contraindicated.
3.3 Worsening of biopsy-proven lupus nephritis (activity index > 6 and chronicity index < 6 within 6 months), indicated by increased proteinuria and/or decreased estimated glomerular filtration rate, despite treatment with high-dose corticosteroids (prednisolone at least 0.7 mg/kg/day or equivalent) and either mycophenolate mofetil or cyclophosphamide for a minimum of 14 days.
Ability to understand and willingness to sign a written informed consent document.
Participants of child-bearing or child-fathering potential must agree to practice birth control from enrollment until four months after receiving CAR T-cell infusion.
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
6 participants in 1 patient group
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Central trial contact
Wonngarm Kittanamongkolchai, MD
Data sourced from clinicaltrials.gov
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