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TCR1188-ABC Cells in KRAS-mutated Cancers

11. maj 2026 opdateret af: University of Pennsylvania

Phase I, Open-Label Study of Autologous Mutant KRAS and ILT4-Redirected T-cell Receptor Cells (TCR1188-ABC)

This is a Phase I, open-label dose finding study to assess the safety, manufacturing feasibility, and preliminary efficacy of TCR1188-ABC cells in patients with KRAS-mutated cancers. Initially, patients with KRAS G12V mutation positive metastatic pancreatic adenocarcinoma, cholangiocarcinoma, colorectal cancer, or non-small cell lung cancer (NSCLC) will be targeted for participation. Up to 4 total dose levels will be evaluated using a 3+3 dose escalation design.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

30

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  1. Patients ≥ 18 years of age
  2. Patients with one of the following diagnoses:

    1. Histologically confirmed metastatic pancreatic adenocarcinoma or cholangiocarcinoma
    2. Histologically confirmed metastatic colorectal cancer
    3. Histologically confirmed metastatic non-small cell lung cancer
  3. HLA-A*11:01 positive as confirmed by a CLIA certified laboratory.
  4. KRAS G12V mutation positive disease as confirmed on tissue, blood, or plasma by next generation sequencing by a CLIA certified laboratory.
  5. Received prior treatment for their primary malignancy as follows:

    1. Pancreatic Cancer/Cholangiocarcinoma Patients: At least one prior line of standard of care therapy for advanced stage disease. For pancreatic cancer patients, this must include a gemcitabine or fluorouracil (5 FU)-based regimen.
    2. Colorectal Cancer Patients: At least three prior lines of standard of care therapy for advanced stage disease. Prior treatment must include all of the following unless the patient was ineligible for a specific therapy type: i). a fluoropyrimidine-, oxaliplatin-, and irinotecan-based chemotherapy regimen, ii). an anti-vascular endothelial growth factor (VEGF) agent, and iii). regorafenib, trifluridine-tipiracil, or fruquintinib. Patients with microsatellite instability-high (MSI-H) disease must also have received, or be ineligible for, prior treatment with an immune checkpoint inhibitor.
    3. Non-Small Cell Lung Cancer Patients: At least one prior line of standard of care therapy for advanced stage disease.
  6. Evidence of radiographically detectable disease within 8 weeks of physician-investigator confirmation of eligibility.
  7. Adequate organ function within 4 weeks of eligibility confirmation by a physician-investigator defined as:

    1. Serum creatinine ≤ 1.5 mg/dl or creatinine clearance ≥ 50 cc/min per the Cockcroft-Gault Equation; Patient must not be on dialysis.
    2. ALT/AST ≤ 5 x ULN (patients with liver metastases) or ALT/AST ≤ 2.5 x ULN (patients without liver metastases)
    3. Total bilirubin ≤ 1.5 mg/dL x ULN, unless the subject has Gilbert's syndrome (if so, direct bilirubin must be ≤ 2.0 mg/dL x ULN)
    4. Left Ventricle Ejection Fraction (LVEF) ≥ 50% confirmed by ECHO/MUGA
    5. Must have a minimum level of pulmonary reserve defined as ≤ Grade 1 dyspnea and pulse oxygen > 92% on room air
  8. Patients must have adequate hematologic reserve within 4 weeks of eligibility confirmation by a physician-investigator and must not be dependent on transfusions to maintain these hematologic parameters. Adequate hematologic reserve is defined as:

    1. Hemoglobin ≥ 8 g/dL
    2. Absolute neutrophil count ≥ 1000/μL
    3. Platelet count ≥ 100,000/μL
  9. ECOG Performance Status that is either 0 or 1.
  10. Signed, written informed consent

Exclusion Criteria:

  • 1. Active hepatitis B or hepatitis C infection 2. Patients with a severe acquired or inherited immunodeficiency, including HIV positive patients with a CD4 count ≤ 350 cells/μL. In order to qualify, HIV positive patients must also be on an established antiretroviral therapy regimen with a viral load of <400 copies/mL.

    3. Any other active, uncontrolled infection. 4. Class III/IV cardiovascular disability according to the New York Heart Association Classification.

    5. Severe, active co-morbidity that in the opinion of the physician-investigator would preclude participation in the study.

    6. Active invasive cancer, other than the proposed cancer included in the study, within 2 years prior to eligibility confirmation by a physician-investigator. [Note: non-invasive cancers treated with curative intent (e.g., non-melanoma skin cancer) may still be eligible].

    7. Pregnant or nursing (lactating) patients. Participants of reproductive potential must agree to use acceptable birth control methods.

    8. Patients requiring chronic treatment with systemic steroids or immunosuppressant medications. Low-dose physiologic replacement therapy with corticosteroids equivalent to prednisone 10 mg/day or lower, topical steroids and inhaled steroids are acceptable. For additional details regarding use of steroid and immunosuppressant medications.

    9. Active autoimmune disease requiring systemic immunosuppressive treatment equivalent to ≥ 10mg daily of prednisone. Patients with autoimmune neurologic diseases (such as MS) will be excluded.

    10. Patients with unstable angina, serious uncontrolled cardiac arrhythmia, and/or mycocardial infarction within 6 months of physician-investigator confirmation of eligibility.

    11. Prior history of myocarditis. 12. Patients with pneumonitis/interstitial lung disease requiring steroid treatment.

    13. History of allergy or hypersensitivity to study product excipients (human serum albumin, DMSO, and Dextran 40) or tocilizumab.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Sekventiel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Dose level -1
1.11 x 10^8 TCR1188-ABC cells
TCR1188 modified, base-edited autologous CD4+ and CD8+ T cells expressing TCR1188 and a scFv fragment specific to ILT4 (LILRB2) as a Single infusion on Day 0
Fludarabine: 30 mg/m2/day x 4 days (Day -7 to -4) Cyclophosphamide: 600mg/m2/day x 3 days (Day -7 to -5)
Single administration of 8mg/kg on Day 2 (+3d)
Eksperimentel: Dose level 1
3.33 x 10^8 TCR1188-ABC cells
TCR1188 modified, base-edited autologous CD4+ and CD8+ T cells expressing TCR1188 and a scFv fragment specific to ILT4 (LILRB2) as a Single infusion on Day 0
Fludarabine: 30 mg/m2/day x 4 days (Day -7 to -4) Cyclophosphamide: 600mg/m2/day x 3 days (Day -7 to -5)
Single administration of 8mg/kg on Day 2 (+3d)
Eksperimentel: Dose level 2
1 x 10^9 TCR1188-ABC cells
TCR1188 modified, base-edited autologous CD4+ and CD8+ T cells expressing TCR1188 and a scFv fragment specific to ILT4 (LILRB2) as a Single infusion on Day 0
Fludarabine: 30 mg/m2/day x 4 days (Day -7 to -4) Cyclophosphamide: 600mg/m2/day x 3 days (Day -7 to -5)
Single administration of 8mg/kg on Day 2 (+3d)
Eksperimentel: Dose level 3
3 x 10^9 TCR1188-ABC cells
TCR1188 modified, base-edited autologous CD4+ and CD8+ T cells expressing TCR1188 and a scFv fragment specific to ILT4 (LILRB2) as a Single infusion on Day 0
Fludarabine: 30 mg/m2/day x 4 days (Day -7 to -4) Cyclophosphamide: 600mg/m2/day x 3 days (Day -7 to -5)
Single administration of 8mg/kg on Day 2 (+3d)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Subjects with treatment related adverse events using NCI Common Terminology Criteria for Adverse Events (CTCAE) V6.0
Tidsramme: Up to 15 years following TCR1188-ABC cell administration
Type, frequency, severity, and attribution of adverse events
Up to 15 years following TCR1188-ABC cell administration
Occurrence of dose-limiting toxicities (DLTs)
Tidsramme: Up to 28 days following TCR1188-ABC cell administration
Type, frequency, severity, and attribution of dose limiting adverse events as defined by the protocol
Up to 28 days following TCR1188-ABC cell administration
Identification of the maximum tolerated dose (MTD)
Tidsramme: 28 days post-TCR1188-ABC cell infusion
The highest dose at which 0 or 1 DLT occurs in 6 DLT-evaluable subjects will be declared the MTD.
28 days post-TCR1188-ABC cell infusion

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Occurrence of product release failures
Tidsramme: 3 months
Calculated based on the proportion of subjects with TCR1188-ABC cell products that fail to meet the product release criteria, out of the number of eligible subjects in whom manufacturing was attempted, will be calculated.
3 months
Proportion of TCR1188-ABC cells that fail to meet the protocol-defined dose
Tidsramme: 3 months
Proportion of subjects with TCR1188-ABC cell products that fail to meet the assigned dose, out of the number of eligible subjects in whom manufacturing was attempted.
3 months
Overall Response Rate (ORR)
Tidsramme: Up to 12 months following TCR1188-ABC cells administration
Proportion of subjects with CR or PR as the best overall response as assessed by RECIST 1.1 from the first response assessment post-infusion until the end of the primary follow-up.
Up to 12 months following TCR1188-ABC cells administration
Duration of Response (DOR)
Tidsramme: Up to 15 years following TCR1188-ABC cell administration
Duration of time from the date the response criteria of CR or PR is first met, to the date of confirmed disease progression, or the date of the last adequate disease assessment performed before the occurrence of another censoring event.
Up to 15 years following TCR1188-ABC cell administration
Progression-Free Survival (PFS)
Tidsramme: Up to 15 years following TCR1188-ABC cell administration
Duration of time from the TCR1188-ABC cell infusion to the date of confirmed disease progression or death due to any cause, or the date of the last adequate disease assessment performed before the occurrence of another censoring event.
Up to 15 years following TCR1188-ABC cell administration
Overall Survival (OS)
Tidsramme: Up to 15 years after last TCR1188-ABC cells administration
Time from the first TCR1188-ABC cell infusion to death due to any cause; or censored at the date of last contact.
Up to 15 years after last TCR1188-ABC cells administration

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. juli 2026

Primær færdiggørelse (Anslået)

1. juli 2042

Studieafslutning (Anslået)

1. juli 2042

Datoer for studieregistrering

Først indsendt

11. maj 2026

Først indsendt, der opfyldte QC-kriterier

11. maj 2026

Først opslået (Faktiske)

18. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

11. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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