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RecruitingSLESLE (Systemic Lupus)

A Study of CLN-978, a Subcutaneously Administered CD19-directed T Cell Engager, in Subjects With Systemic Lupus Erythematosus

Eligible age

18–70 yrs

Accepts

All genders

Locations

7 states

Healthy volunteers

No

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About this study

Phase 1b, open-label study of CLN-978 administered subcutaneously in patients with Moderate to Severe Systemic Lupus Erythematosus (SLE).

Sponsor: Cullinan Therapeutics Inc.

You may qualify if…

  • ✓ Diagnosis of SLE at least 24 weeks prior to Screening and meet 2019 EULAR / ACR Classification Criteria at screening.
  • ✓ Presence of one or more of the following autoantibodies documented during screening or in the previous 12 months before screening: positive anti-nuclear antibody (ANA) test (≥1:80); anti dsDNA above the upper limit of normal (ULN); anti-Sm above the ULN.
  • ✓ Active SLE disease, as demonstrated by a SLEDAI total score ≥6 at screening.
  • ✓ Inadequate response to at least 2 of the following treatments: oral corticosteroid, antimalarials, conventional immunosuppressants, or biologics. At least one of the failed treatments should be an immunosuppressive or biologic standard-of care agent.
  • ✓ If on corticosteroid and/or antimalarial, the dose must be stable prior to day 1.
  • ✓ Laboratory parameters including the following:
  • ✓ Absolute lymphocyte count (ALC) ≥0.5 x 109/L
  • ✓ Peripheral B cell count ≥25 cells/µL

You may not qualify if…

  • ✕ Active inflammatory disease other than SLE. Thyroiditis or secondary Sjogren's syndrome is allowed.
  • ✕ Considered at high risk for thrombosis.
  • ✕ Rapidly progressive glomerulonephritis, and/or urine protein/creatinine \>3 mg/mg (339 mg/mmol).
  • ✕ Active severe neuropsychiatric/CNS manifestations of SLE.
  • ✕ Evidence of hepatitis B, hepatitis C (HCV) infection, human immunodeficiency virus (HIV), Epstein-Barr virus (EBV), or cytomegalovirus (CMV) infection.
  • ✕ History of splenectomy.
  • ✕ Prior treatment with the following:
  • ✕ Cellular or gene therapy product directed at any target.

Where it's recruiting

Arizona

Avondale · Tucson

Florida

Orlando

Iowa

Iowa City

New York

New York · Rochester

Tennessee

Memphis

Texas

Plano · Webster

Utah

Salt Lake City

Source: ClinicalTrials.gov · NCT06613360 · last updated 2026-06-05

A Study of CLN-978, a Subcutaneously Administered CD19-directed T Cell · TrialPath