Safety and Efficacy Study of RXIM002 in Severe, Relapsed or Refractory Autoimmune Diseases
A Clinical Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of the CD19-Targeting Circular RNA Product RXIM002 in Patients With Relapsed or Refractory B Cell-Mediated Autoimmune Diseases
Ruijin Hospital
27 participants
Dec 24, 2025
INTERVENTIONAL
Conditions
Summary
This Phase 1, open-label study evaluates the safety, tolerability, and preliminary efficacy of RXIM002, a CD19-targeting circular RNA-mediated in-vivo CAR T-cell therapy, in adults with severe, relapsed, or refractory B cell-mediated autoimmune diseases.
Eligibility
Inclusion Criteria32
- Subjects voluntary agreement to provide written informed consent.
- Aged 18 to 65 years, either sex.
- Adequate organ function meeting screening criteria.
- Positive test for cluster of differentiation antigen 19 (CD19).
- Systemic Lupus Erythematosus (SLE) and Lupus Nephritis (LN):
- Have been diagnosed with SLE or LN before screening.
- Presence of anti-dsDNA, anti-histone, anti-chromatin, anti-Ro (anti-SS-A), anti-La (anti-SS-B), antinuclear antibody (ANA), or anti-Sm antibodies at screening.
- Active disease at screening.
- Fulfill relapsed/refractory SLE or LN conditions
- Lupus Nephritis (LN) :
- Kidney biopsy result indicating LN
- Evidence of LN disease activity
- Systemic Sclerosis (SSc):
- Have been diagnosed with SSc before screening.
- Antinuclear Antibody (ANA) positive at screening or prior to screening. AND, evidence of SSc disease activity.
- Fulfill relapsed/refractory SSc conditions.
- Immune Thrombocytopenia (ITP):
- Have been diagnosed with refractory ITP before screening.
- Platelet count <50×10⁹/L at screening.
- Idiopathic Inflammatory Myopathy (IIM):
- Have been diagnosed with IIM before screening.
- Presence of at least 1 myositis specific (MSA), associated antibody (MAA), or ANA at screening or prior to screening.
- Evidence of IIM disease activity.
- Fulfill relapsed/refractory IIM conditions.
- Membranous Nephropathy (MN):
- Have been diagnosed with MN before screening.
- Active MN patients meeting screening criteria.
- Fulfill relapsed/refractory MN conditions.
- Autoimmune Hemolytic Anemia (AIHA):
- Have been diagnosed with AIHA before screening.
- Active AIHA patients meeting screening criteria.
- Fulfill relapsed/refractory AIHA conditions.
Exclusion Criteria5
- Active infections such as hepatitis and tuberculosis.
- Other autoimmune diseases.
- Serious underlying diseases such as active malignancies, uncontrolled diabetes.
- Female subjects who were pregnant, breastfeeding.
- Any uncontrolled psychiatric disorders (e.g., schizophrenia, bipolar disorder, eating disorders, major depression or anxiety disorder), as declared by the participant or reported in the medical records.
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Interventions
Prior to infusion of the RXIM002 product, subjects will receive pre-medication if needed
Locations(1)
View Full Details on ClinicalTrials.gov
For the most up-to-date information, visit the official listing.
NCT07322718