Dual-Target CAR-NK Cells Targeting Mesothelin (MSLN) and MUC1 in Advanced Pancreatic Ductal Adenocarcinoma (DUAL-NK-PDAC)
A Phase 1/2, Open-label, Biomarker-guided, Dose-escalation and Expansion Study of Dual-targeting CAR-NK Cells Directed Against Mesothelin (MSLN) and MUC1, With an Exploratory CLDN18.2/MUC1 Dual-target Cohort, in Patients With Unresectable or Metastatic Pancreatic Ductal Adenocarcinoma (PDAC)
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
- Rationale: PDAC is characterized by aggressive biology, antigen heterogeneity, and an immunosuppressive tumor microenvironment. Dual-targeting CAR designs aim to reduce antigen-escape by enabling recognition of either target antigen on tumor cells.
- Investigational products: Two off-the-shelf (allogeneic) CAR-NK products are evaluated. EB-DNK101 targets MSLN and MUC1. EB-DNK102 targets CLDN18.2 and MUC1. Both products are engineered to enhance persistence and incorporate an inducible safety switch .
- Target assessment and cohort assignment: Tumor tissue (archival or fresh biopsy) is tested centrally by immunohistochemistry (IHC) for MSLN, MUC1, and CLDN18.2. Participants are assigned to Arm A (MSLN/MUC1) or Arm B (CLDN18.2/MUC1) based on predefined positivity thresholds. If more than one cohort is eligible, assignment prioritizes the strongest antigen expression and product availability.
- Conditioning and administration: Participants receive lymphodepleting chemotherapy followed by intravenous infusion of the assigned CAR-NK product.
Repeat infusions (up to 3 total) may be permitted in the absence of prohibitive toxicity and with at least stable disease. Safety monitoring: Participants are monitored closely for cytokine release syndrome (CRS), immune effector cell-associated neurotoxicity syndrome (ICANS), infusion reactions, and other adverse events.
Dose-limiting toxicities (DLTs) are assessed during the first 28 days after first infusion.
- Efficacy and biomarker assessments: Tumor response is assessed by imaging (RECIST v1.1) at regular intervals (every 8 weeks). Exploratory endpoints include CAR-NK expansion/persistence, cytokine profiling, and association of antigen density with response.
- Target down-selection plan: After completion of Part 1 and an initial subset of Part 2 expansion participants, an internal scientific review compares antigen prevalence, manufacturability, safety, and preliminary activity across cohorts to prioritize the lead dual-target construct for subsequent confirmatory development.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Fase 2
- Fase 1
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Seni S Lu, Phd
- Telefonnummer: +86 13076790030
- E-mail: Seni-Lu@beijing-biotech.com
Studiesteder
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Guangdong
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Shenzhen, Guangdong, Kina, 518036
- Rekruttering
- Peking University Shenzhen Hospital
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Kontakt:
- Zhen J Peng, Phd
- Telefonnummer: +86 13076790039
- E-mail: Zhen-Peng@beijing-biotech.com
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-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Age 18 to 75 years at the time of consent.
- Histologically or cytologically confirmed pancreatic ductal adenocarcinoma (PDAC).
- Unresectable locally advanced or metastatic disease with progression after at least 1 prior standard systemic therapy regimen, or intolerance/ineligibility for standard therapy.
- At least 1 measurable lesion per RECIST v1.1.
- Tumor antigen expression by central IHC (archival or fresh biopsy): • Arm A eligibility: MSLN positive and/or MUC1 positive. • Arm B eligibility: CLDN18.2 positive and/or MUC1 positive. (Example threshold: IHC 2+ or 3+ staining in >=50% of tumor cells, or H-score above protocol-defined cutoff.)
- ECOG performance status 0-1.
- Adequate organ function (example): ANC >= 1.0 x 10^9/L; platelets >= 75 x 10^9/L; hemoglobin >= 8 g/dL; AST/ALT <= 3x ULN (<= 5x ULN with liver metastases); total bilirubin <= 1.5x ULN; creatinine clearance >= 50 mL/min.
- Life expectancy >= 12 weeks.
- Negative pregnancy test for individuals of childbearing potential; agreement to use effective contraception during study participation and for a protocol-defined follow-up period.
- Ability to understand and willingness to sign written informed consent.
Exclusion Criteria:
- Active or untreated CNS metastases or carcinomatous meningitis.
- Clinically significant uncontrolled infection (including uncontrolled bacterial, fungal, or viral infection).
- Known active hepatitis B or hepatitis C with detectable viral load; known uncontrolled HIV infection.
- Prior allogeneic hematopoietic stem cell transplant or solid organ transplant.
- Prior gene-modified cellular therapy (e.g., CAR-T/CAR-NK) within 6 months or prior therapy targeting the same antigen(s) Ongoing requirement for systemic immunosuppressive therapy (e.g., chronic corticosteroids above physiologic replacement).
- Clinically significant cardiovascular disease (e.g., recent myocardial infarction, uncontrolled arrhythmia, or NYHA class III/IV heart failure) within a protocol-defined period.
- Active autoimmune disease requiring systemic treatment in the past 2 years (replacement therapy allowed).
- Pregnant or breastfeeding.
- Any medical, psychiatric, or social condition that, in the investigator's opinion, would interfere with safe participation or interpretation of results.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Arm A: EB-DNK101 (MSLN/MUC1 Dual-CAR NK)
Participants with PDAC whose tumors express MSLN and/or MUC1 per central IHC are assigned to Arm A.
|
Allogeneiske CAR-NK-celler udviklet med en dobbelterkendelses-CAR, der retter sig mod MSLN og MUC1.
Administreres som en IV-infusion på dag 0 (dosisniveauafhængig).
Andre navne:
Allogeneic CAR-NK cells engineered with a dual-recognition CAR targeting CLDN18.2 and MUC1.
Administered as an IV infusion on Day 0 (dose level dependent).
Andre navne:
fludarabine (Days -5 to -3) and cyclophosphamide (Days -5 to -4) prior to CAR-NK infusion.
Andre navne:
|
|
Eksperimentel: Arm B: EB-DNK102 (CLDN18.2/MUC1 Dual-CAR NK)
Participants with PDAC whose tumors express CLDN18.2
and/or MUC1 per central IHC are assigned to Arm B.
|
Allogeneiske CAR-NK-celler udviklet med en dobbelterkendelses-CAR, der retter sig mod MSLN og MUC1.
Administreres som en IV-infusion på dag 0 (dosisniveauafhængig).
Andre navne:
Allogeneic CAR-NK cells engineered with a dual-recognition CAR targeting CLDN18.2 and MUC1.
Administered as an IV infusion on Day 0 (dose level dependent).
Andre navne:
fludarabine (Days -5 to -3) and cyclophosphamide (Days -5 to -4) prior to CAR-NK infusion.
Andre navne:
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Maksimal tolereret dosis (MTD)
Tidsramme: 12 måneder
|
12 måneder
|
|
Forekomst af dosisbegrænsende toksiciteter (DLT'er)
Tidsramme: 28 dage
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28 dage
|
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Forekomst og sværhedsgrad af behandlingsrelaterede bivirkninger (TEAEs)
Tidsramme: 12 måneder
|
12 måneder
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Disease Control Rate (DCR)
Tidsramme: 12 måneder
|
12 måneder
|
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Objektiv responsrate (ORR) ifølge RECIST v1.1
Tidsramme: 12 måneder
|
12 måneder
|
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Varighed af respons (DOR)
Tidsramme: 24 måneder
|
24 måneder
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
- Sygdomme i det endokrine system
- Patologiske processer
- Neoplasmer efter sted
- Neoplasmer
- Neoplasmer i fordøjelsessystemet
- Sygdomme i fordøjelsessystemet
- Neoplasmer i endokrine kirtler
- Pancreassygdomme
- Neoplastiske processer
- Patologiske tilstande, tegn og symptomer
- Neoplasma Metastase
- Bugspytkirtel neoplasmer
- Organiske kemikalier
- Undersøgelsesteknikker
- Terapeutik
- Kulbrinter
- Fosforamid -sennep
- Nitrogen sennepsforbindelser
- Sennepsforbindelser
- Kulbrinter, halogeneret
- Phosphoramider
- Organophosphorforbindelser
- Biologisk terapi
- Immunologiske teknikker
- Immunmodulering
- Immunoterapi
- Immunsuppressionsterapi
- Cyclofosfamid
- fludarabin
- Transplantationsbetingelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- ESSEN-PDAC-DNK-008
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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