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

30 de julio de 2026 actualizado por: 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).

Descripción general del estudio

Estado

Reclutamiento

Condiciones

Intervención / Tratamiento

Descripción detallada

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

Tipo de estudio

Intervencionista

Inscripción (Estimado)

60

Fase

  • Fase 2
  • Fase 1

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Ubicaciones de estudio

    • Guangdong
      • Shenzhen, Guangdong, Porcelana, 518036
        • Reclutamiento
        • Peking University Shenzhen Hospital
        • Contacto:

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

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.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: No aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: DLL3/CD56 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting DLL3 and CD56 (NCAM1) following lymphodepleting chemotherapy.
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
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.
Experimental: DLL3/GD2 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting DLL3 and GD2 following lymphodepleting chemotherapy.
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
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.
Experimental: CD56/GD2 Dual-Target CAR-NK
Allogeneic dual-target CAR-NK cells targeting CD56 (NCAM1) and GD2 following lymphodepleting chemotherapy.
Allogeneic dual-target CAR-NK cells engineered to enhance tumor recognition and cytotoxicity against heterogeneous solid tumors.
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.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Incidence of dose-limiting toxicities
Periodo de tiempo: 28 Days
28 Days
maximum tolerated dose (MTD)
Periodo de tiempo: 12 months
maximum tolerated dose (MTD) of the drug
12 months

Medidas de resultado secundarias

Medida de resultado
Periodo de tiempo
Tasa de respuesta objetiva
Periodo de tiempo: 12 meses
12 meses
Tasa de control de enfermedades
Periodo de tiempo: 12 meses
12 meses

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

2 de marzo de 2026

Finalización primaria (Estimado)

14 de febrero de 2027

Finalización del estudio (Estimado)

17 de marzo de 2028

Fechas de registro del estudio

Enviado por primera vez

30 de julio de 2026

Primero enviado que cumplió con los criterios de control de calidad

30 de julio de 2026

Publicado por primera vez (Actual)

4 de agosto de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

4 de agosto de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

30 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • EB-CARNK-SCLC-014

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .