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LUCAR-DKS1 NK cells

Phase 1

Relapsed/Refractory Autoimmune Diseases | Monoclonal antibody | Immunology |Legend Biotech Corporation|Last Updated: Dec 10, 2025

Success Probability

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment36

FDA Designations

No designations recorded

Clinical trial landscape

LUCAR-DKS1 NK cells · 1 trial · 1 indication

Early Phase 1 1
NCT07095075A Study of LUCAR-DKS1 in Subjects With Relapsed/Refractory Autoimmune DiseasesRelapsed/Refractory Autoimmune Diseases
RECRUITING36 Analytics
EARLY_PHASE1RECRUITING
A Study of LUCAR-DKS1 in Subjects With Relapsed/Refractory Autoimmune Diseases
Relapsed/Refractory Autoimmune DiseasesUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence, severity, and type of treatment-emergent adverse events (TEAEs) .
About 2 years after LUCAR-DKS1infusion (Day 1)

≥Grade 1 clinical symptoms, laboratory test abnormalities, and clinical events that are possibly, likely, or definitely related to study treatment. Accessed by CTCAE5.0.

Incidence of dose-limiting toxicity (DLT)
About 2 years after LUCAR-DKS1 infusion (Day 1)

DLTs are severe adverse events that refers to any untoward medical occurred in a subject participated in a clinical investigation, which have a causal relationship with the treatment and will limit the dose escalation.

Cmax
About 2 years after LUCAR-DKS1 infusion (Day 1)

CAR positive NK cells in peripheral blood after LUCAR-DKS1 infusion, maximum concentration (Cmax).

Tmax
About 2 years after LUCAR-DKS1 infusion (Day 1)

CAR positive NK cells levels in peripheral blood after LUCAR-DKS1 infusion, time to Cmax (Tmax).

AUC
About 2 years after LUCAR-DKS1 infusion (Day 1)

CAR positive NK cells levels in peripheral blood after LUCAR-DKS1 infusion, area under the concentration-time curve (AUC) .

Recommended phase 2 dose regimen finding
About 2 years after LUCAR-DKS1 infusion (Day 1)

Recommended phase 2 dose regimen established through dose exploratoration finding.

Secondary Endpoints

SLE disease activity: Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K)
About 2 years after LUCAR-DKS1infusion (Day 1)
SSc disease activity :Modified rodnan skin score(mRSS)
About 2 years after LUCAR-DKS1 infusion (Day 1)
AAV disease activity: Birmingham vasculitis activity score (BVAS)
About 2 years after LUCAR-DKS1 infusion (Day 1)
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Chimeric antigen receptor NK cells (LUCAR-DKS1), single-dose for each subject.EXPERIMENTALExperimental: chimeric antigen receptor NK cells (LUCAR-DKS1). Dose level1:25 millions /kg Dose level2:50 millions /kg Dose level3:100 millions /kg Dose level4:200 millions /kg Dose level5:400 millions /kg Totally 5 dose groups, each subject will be given a single-dose LUCAR-DKS1 cells infusion at a certain level, subject will be administered at day 1.

Interventions

NameTypeDescription
LUCAR-DKS1 NK cellsBIOLOGICALPrior to the infusion of the LUCAR-DKS1 cells, subjects will receive a conditioning premedication regimen consisting of cyclophosphamide and fludarabine.
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersNo
Study Sites5

* Inclusion Criteria: 1. Subjects voluntary agreement to provide written informed consent. 2. Aged 18 to 70 years, either sex. 3. Clinical laboratory values meet screening criteria. 4. Positive test for CD19 and/ or BCMA SLE: * Meets at least 1 classification criteria≥6 months for SLE. * ...

Countries:China
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Frequently asked questions about LUCAR-DKS1 NK cells

What is LUCAR-DKS1 NK cells used for?

LUCAR-DKS1 NK cells is an investigational cell therapy being developed for relapsed/refractory autoimmune diseases. It is currently in early Phase 1 clinical development and has not been approved by any regulatory authority.

Who makes LUCAR-DKS1 NK cells?

LUCAR-DKS1 NK cells is being developed by Legend Biotech Corporation, which trades on the NASDAQ under the ticker LEGN. The company is conducting a Phase 1 trial of this investigational therapy in China.

What phase is LUCAR-DKS1 NK cells in?

LUCAR-DKS1 NK cells is in early Phase 1 clinical development. It is an investigational therapy and has not been approved for commercial use. A Phase 1 trial is currently recruiting participants in China.

What clinical trials is LUCAR-DKS1 NK cells in?

LUCAR-DKS1 NK cells is being studied in a single early Phase 1 trial with the identifier NCT07095075. This open-label, uncontrolled study is recruiting 36 participants with relapsed/refractory autoimmune diseases in China.

Is LUCAR-DKS1 NK cells FDA approved?

LUCAR-DKS1 NK cells is not FDA approved. It is an investigational therapy currently in early Phase 1 clinical development, and its safety and efficacy have not been established.