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Evaluering af Xaluritamig hos voksne, unge og børn med tilbagevendende eller refraktær Ewing-sarkom (EWS)

28. oktober 2026 opdateret af: Amgen

En fase 1b-studie til evaluering af sikkerhed, tolerabilitet, farmakokinetik og effekt af Xaluritamig hos voksne, unge og børn med recidiverende eller refraktær Ewing-sarkom

The main objectives of this trial are to determine the recommended dose for expansion of xaluritamig (dose confirmation part only) and to determine the safety and tolerability of xaluritamig in adult, adolescent and pediatric participants with relapsed or refractory EWS.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

50

Fase

  • Fase 1

Kontakter og lokationer

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

Studiekontakt

Studiesteder

    • New South Wales
      • Camperdown, New South Wales, Australien, 2050
        • Rekruttering
        • Chris OBrien Lifehouse
    • Victoria
      • Melbourne, Victoria, Australien, 3000
        • Rekruttering
        • Peter MacCallum Cancer Centre
    • Western Australia
      • Nedlands, Western Australia, Australien, 6009
        • Rekruttering
        • Perth Childrens Hospital
    • California
      • Los Angeles, California, Forenede Stater, 90048
        • Rekruttering
        • Cedars Sinai Medical Center
      • Los Angeles, California, Forenede Stater, 90995-1752
        • Rekruttering
        • University of California Los Angeles
    • Maryland
      • Baltimore, Maryland, Forenede Stater, 21287
        • Rekruttering
        • Johns Hopkins University
    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02215
        • Rekruttering
        • Dana Farber Cancer Institute
    • Michigan
      • Ann Arbor, Michigan, Forenede Stater, 48109-5718
        • Rekruttering
        • C.S. Mott Children's Hospital
    • Minnesota
      • Rochester, Minnesota, Forenede Stater, 55905
        • Rekruttering
        • Mayo Clinic Childrens Center
    • New York
      • New York, New York, Forenede Stater, 10065
        • Rekruttering
        • Memorial Sloan Kettering Cancer Center
    • Pennsylvania
      • Philadelphia, Pennsylvania, Forenede Stater, 19104
        • Rekruttering
        • Childrens Hospital of Philadelphia
      • Pittsburgh, Pennsylvania, Forenede Stater, 15224
        • Rekruttering
        • University of Pittsburgh Medical Center Childrens Hospital of Pittsburgh
    • Texas
      • Houston, Texas, Forenede Stater, 77030
        • Rekruttering
        • University of Texas MD Anderson Cancer Center

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

2 år og ældre (Barn, Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Part 1: evaluable disease as defined by RECIST v1.1, as determined by the site investigator.

    Part 2: measurable disease as defined by RECIST v1.1, as determined by the site investigator.

  2. Histologically or cytologically confirmed EWS with molecular evidence of an EWSR1 translocation with an E26 transformation-specific (ETS) family gene, eg, FLI1, ETS-related gene [ERG]) via next generation sequencing (based on local testing).

  3. Relapsed or refractory EWS following at least 1 line of chemotherapy (including treatment with an anthracycline and at least 1 alkylating agent).

  4. Performance status:

    1. Karnofsky ≥ 70% for participants ≥ 16 years of age.
    2. Lansky ≥ 70% for participants < 16 years of age.
  5. Adequate organ function, defined as follows:

    a. Hematological function: i. Absolute neutrophil count ≥ 1.0 x 109/L, provided that:

    • the participant has not received short-acting growth factor support within 7 days before screening assessment, and
    • the participant has not received long-acting growth factor support within 14 days before screening assessment.

    ii. Platelet count ≥ 75 x 109/L, provided that:

    • the participant has not received a platelet transfusion within 7 days before screening assessment, and

    • the participant has not received a platelet stimulating agent within 14 days before screening assessment.

      b. Renal function: i. Estimated glomerular filtration rate based on Modification of Diet in Renal Disease (MDRD) calculation ≥ 30 mL/min/1.73 m^2 for participants ≥ 18 years of age.

    ii. estimated glomerular filtration rate based on Schwartz (2009) calculation ≥ 30 mL/min/1.73 m^2 for participants < 18 years of age.

    c. Hepatic function: i. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3 x upper limit of normal (ULN) (or ≤ 5 x ULN for participants with liver metastases).

    ii. Total bilirubin (TBL) ≤ 1.5 x ULN (unless related to Gilbert's or Meulengracht disease).

    d. Pulmonary function: i. Baseline oxygen saturation > 92% in room air at rest and no oxygen supplementation.

    e. Cardiac function: i. Left ventricular ejection fraction ≥ 50%. If left ventricular ejection fraction cannot be measured, then left ventricular fractional shortening ≥ 28%.

  6. Participants of childbearing potential must use protocol-specified contraception to prevent pregnancy during treatment and for an additional 6 months after the last dose of xaluritamig.

Exclusion Criteria:

  1. Untreated central nervous system (CNS) metastases or leptomeningeal disease. Participants with a history of treated CNS metastases are eligible if there is radiographic evidence of improvement upon the completion of CNS-directed therapy and no evidence of interim progression between the completion of CNS-directed therapy and the screening radiographic study.

  2. History of other malignancy within the past 2 years, except for malignancy treated with curative intent with low risk for recurrence (approximately < 10%) and with no known active disease present for >1 year before enrollment.

  3. Active autoimmune disease that has required systemic treatment (except physiologic adrenal hormone replacement therapy) within the past 2 years or any other diseases requiring immunosuppressive therapy while on study. Participants with Type 1 diabetes, vitiligo, psoriasis, hypo- or hyper-thyroid disease not requiring immunosuppressive treatment are permitted.

  4. Participants who received anti-cancer therapy administered within the following minimum washout periods prior to first dose of xaluritamig:

    1. Cytotoxic chemotherapy: 21 days.
    2. Small molecules including tyrosine kinase inhibitors: 7 days or 5 half-lives, whichever is shorter.
    3. Monoclonal antibodies, immune checkpoint inhibitors, bispecific antibodies and other biologic agents: 28 days or 5 half-lives, whichever is shorter.
    4. Cellular therapies including Chimeric Antigen Receptor T-cell therapy (CAR-T), adoptive T-cell therapy: 56 days.
    5. Radiotherapy: 14 days for focal therapy, 28 days for large field therapy or involving > 30% of the bone marrow.
    6. Stem cell transplant: 12 weeks for autologous, 6 months for allogeneic, with no active graft-versus-host disease.
    7. Any other therapy or investigational agent: 28 days or 5 half-lives, whichever is longer.
  5. Requirement for chronic systemic corticosteroid therapy (prednisone dose > 10 mg/day [> 0.25 mg/kg/day if < 40 kg] or equivalent) or any other immunosuppressive therapies (including anti-tumour necrosis factor α (TNFα) therapies) unless stopped (with adequate tapering) within 28 days before first dose of xaluritamig.

  6. Currently pregnant (confirmed with positive pregnancy test) or breastfeeding or planning to become pregnant, donate eggs, or breastfeed while on trial until an additional 6 months after the last dose of trial intervention.

  7. Unwilling to abstain from donating sperm during treatment and for an additional 6 months after the last dose of xaluritamig.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

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

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Part 1 (Dose Confirmation)

Part 1 will begin with a pre-specified xaluritamig target dose and frequency. Multiple dose levels and/or alternative dose regimens may be explored in parallel to determine 1 or more recommended doses for expansion, which is/are considered safe, based on emerging data.

Participants will receive xaluritamig via short-term intravenous (IV) infusion.

Andre navne:
  • AMG 509
Eksperimentel: Part 2 (Dose Expansion)

Participants will be treated in Part 2 after the recommended doses for expansion for xaluritamig are determined in Part 1 to further characterize preliminary antitumor activity and safety.

Participants will receive xaluritamig via short-term intravenous (IV) infusion.

Andre navne:
  • AMG 509

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Antal deltagere, der oplever en dosisbegrænsende toksicitet (DLT) (kun del 1)
Tidsramme: Op til 42 dage
Op til 42 dage
Number of Participants with Treatment-emergent Adverse Events
Tidsramme: Up to approximately 2.5 years

This includes treatment-emergent, treatment-related, serious, and fatal adverse events. Any changes in safety assessments (vital signs and clinical laboratory tests) will be recorded as adverse events.

Up to approximately 2.5 years

Sekundære resultatmål

Resultatmål
Tidsramme
Samlet overlevelse (OS)
Tidsramme: Op til cirka 2 år
Op til cirka 2 år
Maksimal serumkoncentration (Cmax) af Xaluritamig
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Tid til Cmax (tmax) for Xaluritamig
Tidsramme: Op til ca. 6 måneder
Op til ca. 6 måneder
Minimum serumkoncentration (Cmin) af Xaluritamig
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Akkumulering efter flere doser af Xaluritamig
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Serumkoncentration før dosering (Ctrough) af Xaluritamig
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Halveringstid (t½) for Xaluritamig
Tidsramme: Op til ca. 6 måneder
Op til ca. 6 måneder
Areal under serumkoncentrations-tidskurven (AUC) for Xaluritamig
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Bekræftet objektiv respons i henhold til responsvurderingskriterierne for solide tumorer (RECIST) v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Sygekontrol per RECIST v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Tid til respons (TTR) per RECIST v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Varighed af bekræftet respons (DOR) ifølge RECIST v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Progression-fri overlevelse (PFS) ifølge RECIST v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Tid til progression (TTP) ifølge RECIST v1.1
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Tid til første efterfølgende anti-kræftbehandling
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder
Antal deltagere med anti-xaluritamig-antistofdannelse
Tidsramme: Op til cirka 6 måneder
Op til cirka 6 måneder

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: MD, Amgen

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)

8. april 2026

Primær færdiggørelse (Anslået)

26. maj 2030

Studieafslutning (Anslået)

26. maj 2030

Datoer for studieregistrering

Først indsendt

9. december 2025

Først indsendt, der opfyldte QC-kriterier

9. december 2025

Først opslået (Faktiske)

22. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

29. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. oktober 2026

Sidst verificeret

1. oktober 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 20200034

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.

IPD-delingstidsramme

Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication (or other new use) have been granted marketing authorization in both the US and Europe, or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.

IPD-delingsadgangskriterier

Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors, and if not approved, may be further arbitrated by a Data Sharing Independent Review Panel. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below.

IPD-deling Understøttende informationstype

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • CSR

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 .