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Studie af Denikitug (GS-1811) givet alene eller sammen med Nivolumab eller kemoterapi til voksne med metastatisk adenocarcinom i mavesækken, gastroøsofageal overgang (GEJ) og spiserøret

5. november 2026 opdateret af: Gilead Sciences

Et fase 2, åbent, multicenter, randomiseret studie til evaluering af Denikitug som monoterapi eller i kombination med Nivolumab eller kemoterapi hos deltagere med HER2-negativ, uoperabel, recidiverende og/eller metastatisk mave-, gastroøsofageal overgangs- (GEJ) og esophageal adenokarcinomer.

The goal of this clinical study is to learn more about the study drug, Denikitug (DEN, GS-1811), to evaluate the efficacy and safety of Denikitug Monotherapy and Denikitug-based combinations in in participants with human epidermal growth factor receptor 2 (HER2)-Negative, unresectable, recurrent, and/or metastatic, gastroesophageal junction (GEJ), and esophageal adenocarcinomas.

The primary objective of this study is to assess the effect of DEN as a monotherapy or in combination with nivolumab (NIVO) or ramucirumab (RAM) and paclitaxel (PAC) on objective response rate (ORR) as assessed by the investigator according to Response Evaluation Criteria in Solid Tumors (RECIST Version1.1).

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

120

Fase

  • Fase 2

Kontakter og lokationer

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

Studiesteder

    • New South Wales
      • Camperdown, New South Wales, Australien, 2050
        • Chris O'Brien Lifehouse
      • St Leonards, New South Wales, Australien, 2065
        • Royal North Shore Hospital
    • Queensland
      • Herston, Queensland, Australien, 4029
        • Royal Brisbane and Women's Hospital
    • South Australia
      • Bedford Park, South Australia, Australien, 5042
        • Flinders Medical Centre
    • Western Australia
      • Nedlands, Western Australia, Australien, 6009
        • Hollywood Private Hospital
    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02114
        • Massachusetts General Hospital
      • Boston, Massachusetts, Forenede Stater, 02215
        • Dana Farber Cancer Institute (DFCI)
    • New York
      • Albany, New York, Forenede Stater, 12206
        • New York Oncology Hematology
      • New York, New York, Forenede Stater, 10021
        • Weill Cornell Medicine - New York Presbyterian Hospital
      • Lyon, Frankrig, 69008
        • Centre Leon Berard, department of medical oncology
      • Marseille, Frankrig, 13009
        • Institut Paoli-Calmettes, department of medical oncology
      • Barcelona, Spanien, 8035
        • Hospital Universitari Vall d'Hebron
      • Madrid, Spanien, 28041
        • Hospital Universitario 12 de Octubre
      • Pamplona, Spanien, 31008
        • Hospital Universitario de Navarra
      • Valencia, Spanien, 46010
        • Hospital Clinico Universitario de Valencia
      • Seoul, Sydkorea, 03830
        • Seoul National University Hospital

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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Key Inclusion Criteria:

  • Histologically or cytologically confirmed diagnosis of locally advanced, unresectable, or metastatic gastric, gastroesophageal junction (GEJ), or esophageal adenocarcinoma (EAC).

  • Human epidermal growth factor receptor 2 (HER2)-negative status, as determined by local assessment using a validated immunohistochemistry assay, in situ hybridization or other amplification testing.

  • Has had disease progression during or after first line of systemic therapy for advanced or metastatic gastric, GEJ, or EACs, which must have included at least one of the following:

    1. Platinum- and fluoropyrimidine-based chemotherapy.
    2. Therapy with an anti-programmed cell death protein 1 (PD1) or anti-programmed cell death ligand 1 (anti-PD-L1) monoclonal antibody (patients with PD-L1-positive tumors must have received prior PD-1/PD-L1-based therapy).
    3. Zolbetuximab or other Claudin-18 (CLDN18).2-targeted therapy, if indicated based on biomarker status.
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0-1.

  • Have adequate organ function.

  • Male individuals and female individuals of childbearing potential who engage in heterosexual intercourse must agree to use methods of contraception.

Key Exclusion Criteria:

  • Active or history of autoimmune disease requiring systemic treatment within 2 years, inflammatory bowel disease (IBD) (Crohn's/ulcerative colitis), celiac disease, or noninfectious enteritis/colitis. (Physiologic hormone replacement not considered systemic treatment).
  • History or current noninfectious pneumonitis/interstitial lung disease, including radiation-induced pneumonitis requiring steroids or active/recurrent pneumonitis of any etiology.
  • Documented microsatellite instability-high (MSI-H) or deficient mismatch repair (dMMR) disease by local polymerase chain reaction (PCR) (microsatellite status) and/or informed consent form (ICH) (mismatch repair (MMR)) assay
  • (For Part 2 only) Has known history of peripheral neuropathy ≥ Grade 2 (per National Cancer Institute(NCI)-Common Tenninology Criteria for Adverse Events (CTCAE) Version 5.0).
  • (For Part 2 only) Known coagulopathy that increases the risk of bleeding, bleeding diatheses. Any other Grade 3 or higher hemorrhage/bleeding event within 28 days prior to enrollment.

Prior/Concurrent Therapy or Clinical Study Experience

  • Prior treatment with DEN or other C-C chemokine receptor 8 (CCR8)-targeted agents.
  • Prior Lonsurf (trifluridine-tipiracil) or paclitaxel (PAC)-based regimens in the first-line setting for advanced/metastatic gastroesophageal adenocarcinoma.
  • Any systemic therapy (including investigational) targeting vascular endothelial growth factor (VEGF) or VEGF receptor (VEGFR) signaling pathways.
  • Anticancer biologic within 4 weeks, orchemotherapy, targeted small molecule, or radiation therapy within 2 weeks prior to enrollment with unresolved adverse events (AE)s (Grade >2). (Observational study participants are eligible).
  • Prior allogenic tissue/solid organ or stem cell transplantation. (Exception: corneal transplant not requiring systemic immunosuppression is allowed).

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

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: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Part 1: Arm A: DEN (Dose A) and NIVO

Participants will receive DEN Dose A as an IV infusion in combination with NIVO as an IV infusion.

Administered Intravenously

Andre navne:
  • GS-1811

Administered Intravenously

Eksperimentel: Part 1: Arm B: DEN (Dose B) and NIVO

Participants will receive DEN Dose B as an IV infusion in combination with NIVO as an IV infusion.

Administered Intravenously

Andre navne:
  • GS-1811

Administered Intravenously

Eksperimentel: Part 1: Arm C: DEN (Dose B)

Participants will receive DEN Dose B as an IV infusion.

Administered Intravenously

Andre navne:
  • GS-1811
Eksperimentel: Part 2: Arm D: Safety Run-in (SRI) Cohort

Participants will receive DEN in combination with ramucirumab (RAM) and paclitaxel (PAC).

If dose for DEN is deemed safe during the SRI Cohort, the study will move forward into the Expansion Period.

Administered Intravenously

Andre navne:
  • GS-1811

Administered Intravenously

Administered Intravenously

Eksperimentel: Part 2: Arm D: Expansion Cohort

If DEN dose is deemed safe in Arm D: SRI Cohort, participants will receive DEN at recommended dose as an IV infusion in combination with RAM and PAC.

Administered Intravenously

Andre navne:
  • GS-1811

Administered Intravenously

Administered Intravenously

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Objective Response Rate (ORR)
Tidsramme: Up to 4 years

ORR is defined as the percentage of participants who have achieved complete response (CR) or partial response (PR) as assessed by the investigator according to RECIST Version 1.1.

Up to 4 years

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Procentdel af deltagere, der oplever behandlingsrelaterede bivirkninger ifølge National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0
Tidsramme: Første dosis dato op til 120 dage efter sidste dosis, op til 4 år.
Første dosis dato op til 120 dage efter sidste dosis, op til 4 år.
Andel af deltagere, der oplever kliniske laboratorieabnormiteter i henhold til NCI CTCAE v5.0
Tidsramme: Første dosisdato op til 120 dage efter sidste dosis, op til 4 år.
Første dosisdato op til 120 dage efter sidste dosis, op til 4 år.
Farmacokinetisk (FK) parameter: Serumkoncentration af DEN
Tidsramme: Op til 4 år
Op til 4 år
Andel af deltagere, der udviklede behandlingsfremkaldte antidrug-antistoffer (ADA) mod Denikitug
Tidsramme: Op til 4 år
Op til 4 år
Duration of Response (DOR)
Tidsramme: Up to 4 years

DOR is defined as the time of first response CR or PR as assessed by investigator, per RECIST Version 1.1 until the date of first documented progressive disease (PD) or death, whichever comes first.

Up to 4 years
Progression-Free Survival (PFS)
Tidsramme: Up to 4 years

PFS is defined as the time from date of first dose until PD or death from any cause, whichever comes first as assessed by the investigator according to RECIST Version 1.1.

Up to 4 years
Overall Survival (OS)
Tidsramme: Up to 4 years

OS is defined as the length of time from first dose until the date of death from any cause.

Up to 4 years
PK Parameter: Cmax for Denikitug
Tidsramme: Up to 4 years

Cmax is defined as the maximum observed concentration.

Up to 4 years
PK Parameter: AUCall for Denikitug
Tidsramme: Up to 4 years

AUCall is defined as the cumulative areas under the curve for all time points.

Up to 4 years

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Gilead Study Director, Gilead Sciences

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

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 (Faktiske)

7. august 2026

Primær færdiggørelse (Anslået)

1. januar 2030

Studieafslutning (Anslået)

1. januar 2030

Datoer for studieregistrering

Først indsendt

17. april 2026

Først indsendt, der opfyldte QC-kriterier

17. april 2026

Først opslået (Faktiske)

23. april 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

5. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • GS-US-742-7757
  • 2025-524095-27 (Anden identifikator: EU Trial (CTIS) Number)
  • 2025 (U.S. NIH-bevilling/kontrakt)
  • CTR20263204 (Anden identifikator: China's Center for Drug Evaluation)

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

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .