Status:

NOT_YET_RECRUITING

A Study to Evaluate the Safety, Tolerability, Cellular Kinetics, Pharmacodynamics, and Efficacy of P-CD19CD20-ALLO1 in Participants With Severe, Treatment-refractory Systemic Lupus Erythematosus (SLE)

Lead Sponsor:

Genentech, Inc.

Conditions:

Systemic Lupus Erythematosus

Eligibility:

All Genders

18-75 years

Phase:

PHASE1

Brief Summary

The purpose of this study is to evaluate the safety and tolerability of P-CD19CD20-ALLO1 in participants with highly active, severe, refractory SLE with or without lupus nephritis (LN). This study inc...

Eligibility Criteria

Inclusion

  • Key Inclusion criteria:
  • 18-75 years old
  • SLE diagnosis per 2019 EULAR/ACR classification criteria ≥ 24 weeks
  • Autoantibody positive and low complement at screening
  • Treatment refractory: Failed ≥ 2 treatments for at least 3 months
  • Highly active disease:
  • SLEDAI-2K ≥ 8 (excluding alopecia, headache, and fever; additional protocol-specified requirements to enhance specificity of findings)
  • BILAG-2004 cat A in ≥ 1 organ system and/or cat B in ≥ 2 organ systems (excluding constitutional, musculoskeletal, and/or mucocutaneous organ systems for category B)
  • PGA score ≥ 1.0 on a 0 to 3 VAS
  • For patients with lupus nephritis:
  • Biopsy-proven Class III or IV (± Class V) active LN per 2018 ISN/RPS criteria within 12 months of screening
  • Modified NIH activity index ≥ 1/24
  • UPCR ≥ 1g/g
  • Key Exclusion criteria:
  • Participants who are pregnant, breastfeeding, or intend to become pregnant within the timeframe in which contraception is required
  • Prior treatment with CAR T-cell therapy, B-cell-targeting T-cell-dependent bispecific antibody, gene therapy product, total body irradiation, allograft organ transplant, or hematopoietic stem cell transplant
  • Significant organ impairment (renal, hepatic, cardiac, or pulmonary) or uncontrolled medical disease which, in the investigator's opinion would preclude patient participation or that may require treatment with systemic corticosteroids or immunosuppressants during the study
  • Active severe or unstable neuropsychiatric disease
  • Protocol-specified active or chronic infections, recent major episode of infection
  • High-risk medical conditions (e.g. high bleeding risk, history of cancer, recent major surgery, history of HLH/MAS, substance abuse within the previous year)
  • Other protocol-defined inclusion/exclusion criteria apply

Exclusion

    Key Trial Info

    Start Date :

    January 31 2026

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    November 1 2033

    Estimated Enrollment :

    162 Patients enrolled

    Trial Details

    Trial ID

    NCT06984341

    Start Date

    January 31 2026

    End Date

    November 1 2033

    Last Update

    December 10 2025

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    A Study to Evaluate the Safety, Tolerability, Cellular Kinetics, Pharmacodynamics, and Efficacy of P-CD19CD20-ALLO1 in Participants With Severe, Treatment-refractory Systemic Lupus Erythematosus (SLE) | DecenTrialz