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Undersøgelse af det terapeutiske par RYZ811 (diagnostisk) og RYZ801 (terapeutisk) til at identificere og behandle forsøgspersoner med GPC3+ uoperabelt HCC (GPC3)

24. september 2026 opdateret af: RayzeBio, Inc.

Fase 1/1b enkeltarm, åbent forsøg med Theranostic Pair RYZ811 (diagnostisk) og RYZ801 (terapeutisk) til identifikation og behandling af forsøgspersoner med GPC3+ uoperabelt hepatocellulært karcinom (HCC)

Phase 1/2 randomized, controlled, open-label trial of theranostic pair RYZ811 (diagnostic) and RYZ801 (therapeutic) to identify and treat subjects with GPC3+ unresectable hepatocellular carcinoma (HCC)

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

590

Fase

  • Fase 2
  • Fase 1

Kontakter og lokationer

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

Studiekontakt

Studiesteder

    • Alabama
      • Birmingham, Alabama, Forenede Stater, 35294
        • Rekruttering
        • Research Facility
    • Arizona
      • Phoenix, Arizona, Forenede Stater, 85054
        • Rekruttering
        • Research Facility
    • California
      • Orange, California, Forenede Stater, 92868
        • Rekruttering
        • Research Facility
    • Florida
      • Jacksonville, Florida, Forenede Stater, 32224
        • Rekruttering
        • Research Facility
    • Kentucky
      • Lexington, Kentucky, Forenede Stater, 40536
        • Rekruttering
        • Research Facility
    • Maryland
      • Baltimore, Maryland, Forenede Stater, 21287
        • Rekruttering
        • Research Facility
    • Minnesota
      • Rochester, Minnesota, Forenede Stater, 55905
        • Rekruttering
        • Research Facility
    • Missouri
      • St Louis, Missouri, Forenede Stater, 63104
        • Rekruttering
        • Research Facility
    • Nebraska
      • Omaha, Nebraska, Forenede Stater, 68130
        • Rekruttering
        • Research Facility
    • New York
      • New York, New York, Forenede Stater, 10065
        • Rekruttering
        • Research Facility
    • Texas
      • Houston, Texas, Forenede Stater, 77030
        • Rekruttering
        • Research Facility
    • Virginia
      • Charlottesville, Virginia, Forenede Stater, 22908
        • Rekruttering
        • Research Facility
    • Washington
      • Seattle, Washington, Forenede Stater, 98109
        • Rekruttering
        • Research Facility

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

Inclusion Criteria:

  • Age of at least 18 years at the time of signing the informed consent form (ICF)

  • Histologically/cytologically confirmed diagnosis of HCC.

  • Barcelona Clinic Liver Cancer (BCLC) Stage C or BCLC Stage B not amenable to locoregional therapy

  • Child-Pugh A

  • Eastern Cooperative Oncology Group (ECOG) performance status (PS 0-1)

  • Disease progression after 1 prior systemic therapy for unresectable HCC

  • Measurable disease per RECIST v1.1

  • Sufficient renal function

  • Adequate hematologic function

  • Adequate hepatic function

  • The subject must have recovered from toxicities related to prior treatments to ≤Grade 1, unless clinically nonsignificant and/or stable on supportive therapy

  • If HBV or HCV infection: Disease managed per local practice; antiviral treatment is allowed.

  • Gastric or esophageal varices previously treated with endoscopic therapy according to institutional standards are permitted if no clinically significant bleeding

  • For women of childbearing potential (WOCBP):

    • Negative serum pregnancy test within 48 hours prior to the first dose of RYZ811
    • Agreement to use barrier contraception and a second form of highly effective contraception
  • For sexually active males:

    • Must use a condom during intercourse
    • Male subjects whose sexual partners are WOCBP must also agree to use a second form of highly effective contraception
    • A condom is required to be used also by vasectomized men

Exclusion Criteria:

  • Subjects with fibrolamellar carcinoma, sarcomatoid HCC or combined hepatocellular cholangiocarcinoma

  • Prior liver transplantation

  • Known hypersensitivity to 68Ga, 225Ac or any of the excipients of RYZ811 or RYZ801

  • Portal vein tumor thrombosis classified as Vp4

  • Documented hepatic encephalopathy within 6 months of enrollment

  • Clinically meaningful ascites within 6 months of enrollment

  • Prior EBRT to the liver within 12 weeks prior to receiving RYZ811

  • Prior liver radioembolization

  • Previously treated central nervous system (CNS) metastasis without recovery from acute side effects

  • Documented history of idiopathic pulmonary fibrosis (IPF), interstitial lung disease (ILD) or pneumonitis

  • Uncontrolled significant intercurrent illness including, but not limited to:

    • QT interval corrected for heart rate using Fridericia's formula (QTcF) >470 ms
    • Hemoglobin A1c (Hgb A1c) ≥8%
    • Uncontrolled hypertension
    • Dose Expansion only: Prior treatment with lenvatinib is exclusionary
    • Significant cardiovascular disease or heart failure
  • History of clinically significant bleeding

  • Prior participation in any interventional clinical study

  • Current somatic or psychiatric disease/condition that may interfere with the objectives and assessments of the study

  • Have a history of primary malignancy within the past 3 years other than (1) HCC, (2) adequately treated carcinoma in situ or non-melanoma carcinoma of the skin, (3) any other curatively treated malignancy that is not expected to require treatment for recurrence during participation in the study, or (4) an untreated cancer on active surveillance that may not affect the subject's survival status for >3 years

  • Subject requires other treatment that in the opinion of the Investigator would be more appropriate than what is offered in the study

  • Pregnancy or breastfeeding

Note: Additional criteria may apply and will be assessed by the study site

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: Sekventiel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Dosiseskalering, Dosisudvidelse (Dosisoptimering/Randomiseret fase 2)

Ga-68

Ac-225

Aktiv komparator: Standardbehandling (SoC) (Randomiseret fase 2)

Ga-68

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Therapeutic - RYZ801
Tidsramme: Rate of DLTs during the first 42 days of study treatment

To determine the RTA of RYZ801 in subjects with GPC3+ unresectable HCC (Dose Escalation only)

Rate of DLTs during the first 42 days of study treatment
Therapeutic - RYZ801
Tidsramme: From enrollment for up to three months or study discontinuation, whichever occurs first.

To determine if treatment with RYZ801, compared to SoC therapy, improves ORR in subjects with GPC3+ unresectable HCC (Dose Expansion Stage 2 only) using ORR (rate of CR or PR), as determined by BICR according to RECIST v1.1

From enrollment for up to three months or study discontinuation, whichever occurs first.
Therapeutic - RYZ801
Tidsramme: From enrollment to 3months after randomization or study discontinuation, whichever occurs first.

To evaluate ORR of RYZ801 different dosing regimens (Dose Expansion Stage 1 only) and determine dosage optimized RP2D using ORR (rate of confirmed CR or PR) by RECIST v1.1 per investigator assessment

From enrollment to 3months after randomization or study discontinuation, whichever occurs first.
Diagnostic - RYZ811
Tidsramme: Baseline, pre-injection and post-injection up to 6 days post injection.

To assess the safety and tolerability of RYZ811 in subjects with unresectable HCC. Safety and tolerability of RYZ811 as measured by incidence and severity of AEs, including SAEs, laboratory changes, and other safety findings.

Baseline, pre-injection and post-injection up to 6 days post injection.
Diagnostic - RYZ811
Tidsramme: RYZ811 biodistribution to be assessed on the day of injection.

To evaluate the biodistribution of RYZ811 in subjects with unresectable HCC. SUV (mean, maximum and peak) of organs and tumors; volume of RYZ811 avid uptake in tumor lesions; and tumor-to-normal organ tracer uptake ratios.

RYZ811 biodistribution to be assessed on the day of injection.

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Freddy Escorcia, MD, PhD, RayzeBio, Inc.

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)

5. september 2025

Primær færdiggørelse (Anslået)

1. juni 2030

Studieafslutning (Anslået)

1. juni 2031

Datoer for studieregistrering

Først indsendt

5. november 2024

Først indsendt, der opfyldte QC-kriterier

4. december 2024

Først opslået (Faktiske)

10. december 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

28. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

24. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • RYZ801-101

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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