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Adaptive Phase 1/2 Study of Dual-Target CAR-NK Cells in Relapsed/Refractory Small Cell Lung Cancer (SCLC)

30 juli 2026 bijgewerkt door: Beijing Biotech

A Phase 1/2 Adaptive Dose-Escalation and Expansion Study of Dual-Targeting Chimeric Antigen Receptor Natural Killer (CAR-NK) Cells Directed Against DLL3, CD56 (NCAM1), and/or GD2 in Adults With Relapsed/Refractory Small Cell Lung Cancer

This example study is an open-label, multi-center, adaptive Phase 1/2 trial evaluating the safety, feasibility, and preliminary antitumor activity of allogeneic dual-target CAR-NK cell products in adults with relapsed or refractory small cell lung cancer (SCLC). Three candidate dual-target constructs (DLL3/CD56, DLL3/GD2, and CD56/GD2) will be assessed during dose escalation; a pre-specified interim assessment will select the most suitable construct to proceed into an expansion cohort at the recommended Phase 2 dose (RP2D).

Studie Overzicht

Toestand

Werving

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

Rationale: SCLC is characterized by rapid progression, early relapse after platinum-based therapy, and antigen heterogeneity. DLL3, CD56 (NCAM1), and GD2 are frequently evaluated SCLC-associated surface targets. Dual-target CAR designs may reduce antigen-escape risk compared with single-target approaches.

Investigational products: Three off-the-shelf allogeneic CAR-NK cell products are evaluated. Each product is manufactured from healthy-donor NK cells and engineered to express a dual-target CAR plus a safety switch (e.g., inducible caspase-9) and a persistence support element (e.g., IL-15 support). The exact construct features can be adapted to the sponsor's platform.

Study schema: (1) Screening and biomarker assessment, including tumor antigen profiling for DLL3, CD56, and GD2 by immunohistochemistry (IHC) or validated equivalent assay. (2) Phase 1 dose escalation in up to three parallel arms (one arm per dual-target construct) using a modified 3+3 design to determine MTD and/or RP2D. (3) Interim construct selection based on a composite of safety (DLT rate), manufacturability/feasibility, in vivo expansion/persistence, and preliminary efficacy. (4) Phase 2 expansion cohort treated with the selected construct at RP2D to further characterize safety and estimate antitumor activity.

Conditioning and dosing: Participants receive lymphodepleting chemotherapy (e.g., fludarabine and cyclophosphamide) followed by CAR-NK infusion(s). Because NK-cell persistence can be limited, repeat dosing within a cycle is permitted (e.g., Day 0, Day 7, Day 14), and a second cycle may be allowed in responders without prohibitive toxicity.

Safety monitoring: Participants are monitored for cytokine release syndrome (CRS), immune effector cell-associated neurotoxicity syndrome (ICANS), infusion reactions, cytopenias, infections, and other adverse events. An independent safety monitoring committee reviews cumulative safety at each dose level and prior to construct selection.

Follow-up: Clinical follow-up continues for 24 months for efficacy and late toxicity. Long-term follow-up for gene-modified cell products (up to 15 years) may be conducted per local regulatory requirements to monitor delayed adverse events

Studietype

Ingrijpend

Inschrijving (Geschat)

60

Fase

  • Fase 2
  • Fase 1

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Locaties

  • China
    • Guangdong
      • Shenzhen, Guangdong, China, 518036

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen
  • Oudere volwassene

Accepteert gezonde vrijwilligers

Nee

Beschrijving

Inclusion Criteria:

  • Age 18 to 75 years at the time of consent.
  • Histologically or cytologically confirmed small cell lung cancer (SCLC) that is metastatic, extensive-stage, or unresectable, and relapsed or refractory after at least 1 prior systemic regimen (must include a platinum-based regimen unless contraindicated).
  • At least one measurable lesion per RECIST v1.1.
  • ECOG performance status 0 to 1.
  • Adequate organ function (hematologic, renal, hepatic, and cardiac) as defined in the protocol (examples: ANC >= 1.0 x10^9/L, platelets >= 75 x10^9/L, creatinine clearance >= 50 mL/min, AST/ALT <= 3 x ULN, total bilirubin <= 1.5 x ULN).
  • Life expectancy >= 12 weeks.
  • Tumor tissue available (archival or fresh) for antigen profiling (DLL3, CD56/NCAM1, GD2).
  • Negative pregnancy test for persons of childbearing potential; agreement to use effective contraception for the protocol-defined duration.

Exclusion Criteria:

  • Active or uncontrolled CNS metastases or leptomeningeal disease (treated/stable CNS metastases may be allowed per protocol).
  • Prior treatment with CAR-T, CAR-NK, or other gene-modified cellular therapy within 6 months (or any prior therapy directed against the investigational target antigens if it would confound safety/efficacy assessment).
  • Allogeneic hematopoietic stem cell transplant within 6 months or active graft-versus-host disease.
  • Active uncontrolled infection, including uncontrolled HIV, active hepatitis B or C with viremia, or active tuberculosis.
  • Clinically significant cardiovascular disease (e.g., recent myocardial infarction within 6 months, uncontrolled arrhythmia, LVEF < 45%).
  • Active autoimmune disease requiring systemic immunosuppression; chronic systemic corticosteroid use > 10 mg/day prednisone equivalent (unless for physiologic replacement).
  • Concurrent malignancy requiring active treatment (exceptions may apply for certain non-melanoma skin cancers or in situ cancers).
  • Pregnant or breastfeeding.
  • Any condition that, in the investigator's opinion, would make participation unsafe or interfere with compliance.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Niet-gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: DLL3/CD56 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting DLL3 and CD56 (NCAM1) following lymphodepleting chemotherapy.
Biologisch: EB-DART-NK01
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
Geneesmiddel: Lymphodepleting chemotherapy
An alkylating chemotherapy agent used as part of lymphodepleting conditioning prior to CAR-NK cell infusion to enhance cell expansion, persistence, and anti-tumor activity.
Experimenteel: DLL3/GD2 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting DLL3 and GD2 following lymphodepleting chemotherapy.
Biologisch: EB-DART-NK01
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
Geneesmiddel: Lymphodepleting chemotherapy
An alkylating chemotherapy agent used as part of lymphodepleting conditioning prior to CAR-NK cell infusion to enhance cell expansion, persistence, and anti-tumor activity.
Experimenteel: CD56/GD2 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting CD56 (NCAM1) and GD2 following lymphodepleting chemotherapy.
Biologisch: EB-DART-NK01
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
Geneesmiddel: Lymphodepleting chemotherapy
An alkylating chemotherapy agent used as part of lymphodepleting conditioning prior to CAR-NK cell infusion to enhance cell expansion, persistence, and anti-tumor activity.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Incidence of dose-limiting toxicities
Tijdsspanne: 28 Days
28 Days
maximum tolerated dose (MTD)
Tijdsspanne: 12 months
maximum tolerated dose (MTD) of the drug
12 months

Secundaire uitkomstmaten

Uitkomstmaat
Tijdsspanne
Objectief responspercentage
Tijdsspanne: 12 maanden
12 maanden
Ziektebestrijdingspercentage
Tijdsspanne: 12 maanden
12 maanden

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Beijing Biotech

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

2 maart 2026

Primaire voltooiing (Geschat)

14 februari 2027

Studie voltooiing (Geschat)

17 maart 2028

Studieregistratiedata

Eerst ingediend

30 juli 2026

Eerst ingediend dat voldeed aan de QC-criteria

30 juli 2026

Eerst geplaatst (Werkelijk)

4 augustus 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

4 augustus 2026

Laatste update ingediend die voldeed aan QC-criteria

30 juli 2026

Laatst geverifieerd

1 juli 2026

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • EB-CARNK-SCLC-014

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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