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Undersøgelse af RYZ101 sammenlignet med SOC i Pts med inoperable SSTR+ Veldifferentieret GEP-NET, der har udviklet sig efter 177Lu-SSA terapi (ACTION-1)

1. oktober 2026 opdateret af: RayzeBio, Inc.

Fase 1b/3 Globalt, randomiseret, kontrolleret, åbent forsøg, der sammenligner behandling med RYZ101 med standardbehandlingsterapi hos forsøgspersoner med inoperable, avancerede, SSTR+, veldifferentierede GEP-NET, der har udviklet sig efter tidligere 177Lu-SSA-terapi

This study aims to determine the safety, pharmacokinetics (PK) and recommended Phase 3 dose (RP3D) of RYZ101 in Part 1, and the safety, efficacy, and PK of RYZ101 compared with investigator-selected standard of care (SoC) therapy in Part 2 in subjects with inoperable, advanced, well-differentiated, somatostatin receptor expressing (SSTR+) gastroenteropancreatic neuroendocrine tumors (GEP-NETs) that have progressed following treatment with Lutetium 177-labelled somatostatin analogue (177Lu-SSA) therapy, such as 177Lu-DOTATATE or 177Lu-DOTATOC (177Lu-DOTATATE/TOC), or 177Lu-high affinity [HA]-DOTATATE.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

343

Fase

  • Fase 3

Kontakter og lokationer

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

Studiesteder

      • Brussels, Belgien
        • Research Facility
      • Leuven, Belgien
        • Research Facility
      • Roeselare, Belgien
        • Research Facility
      • Brasília, Brasilien
        • Research Facility
      • Rio de Janeiro, Brasilien
        • Research Facility
      • São Paulo, Brasilien
        • Research Facility
    • Ontario
      • London, Ontario, Canada
        • Research Facility
      • Toronto, Ontario, Canada, M4N 3M5
        • Research Facility
    • Quebec
      • Montreal, Quebec, Canada
        • Research Facility
    • Arizona
      • Phoenix, Arizona, Forenede Stater, 85054
        • Research Facility
    • California
      • Duarte, California, Forenede Stater, 91010
        • Research Facility
      • Irvine, California, Forenede Stater, 92663
        • Research Facility
      • Los Angeles, California, Forenede Stater, 90095
        • Research Facility
      • Palo Alto, California, Forenede Stater, 94305
        • Research Facility
      • San Francisco, California, Forenede Stater, 94143
        • Research Facility
    • Connecticut
      • New Haven, Connecticut, Forenede Stater, 06510
        • Research Facility
    • District of Columbia
      • Washington D.C., District of Columbia, Forenede Stater, 20010
        • Research Facility
    • Florida
      • Jacksonville, Florida, Forenede Stater, 32224
        • Research Facility
      • Miami, Florida, Forenede Stater, 33165
        • Research Facility
      • Tampa, Florida, Forenede Stater, 33607
        • Research Facility
    • Georgia
      • Atlanta, Georgia, Forenede Stater, 30322
        • Research Facility
    • Iowa
      • Iowa City, Iowa, Forenede Stater, 52242
        • Research Facility
    • Kentucky
      • Lexington, Kentucky, Forenede Stater, 40536
        • Research Facility
    • Maryland
      • Glen Burnie, Maryland, Forenede Stater, 21061
        • Research Facility
    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02215
        • Research Facility
      • Boston, Massachusetts, Forenede Stater, 02118
        • Research Facility
    • Michigan
      • Troy, Michigan, Forenede Stater, 48098
        • Research Facility
    • Minnesota
      • Rochester, Minnesota, Forenede Stater, 55905
        • Research Facility
    • Missouri
      • St Louis, Missouri, Forenede Stater, 63110
        • Research Facility
    • Nebraska
      • Omaha, Nebraska, Forenede Stater, 68130
        • Research Facility
    • New York
      • New York, New York, Forenede Stater, 10029
        • Research Facility
      • New York, New York, Forenede Stater, 10065
        • Research Facility
    • Ohio
      • Cleveland, Ohio, Forenede Stater, 44106
        • Research Facility
      • Columbus, Ohio, Forenede Stater, 43221
        • Research Facility
    • Oregon
      • Portland, Oregon, Forenede Stater, 97239
        • Research Facility
    • Pennsylvania
      • Philadelphia, Pennsylvania, Forenede Stater, 19104
        • Research Facility
      • Pittsburgh, Pennsylvania, Forenede Stater, 15232
        • Research Facility
    • Tennessee
      • Nashville, Tennessee, Forenede Stater, 37232
        • Research Facility
    • Texas
      • Houston, Texas, Forenede Stater, 77030
        • Research Facility
    • Utah
      • Salt Lake City, Utah, Forenede Stater, 84112
        • Research Facility
    • Washington
      • Seattle, Washington, Forenede Stater, 98109
        • Research Facility
      • Clichy, Frankrig
        • Research Facility
      • Lille, Frankrig
        • Research Facility
      • Montpellier, Frankrig
        • Research Facility
      • Nantes, Frankrig
        • Research Facility
      • Vandœuvre-lès-Nancy, Frankrig
        • Research Facility
      • Villejuif, Frankrig
        • Research Facility
      • Amsterdam, Holland
        • Research Facility
      • Maastricht, Holland
        • Research Facility
      • Utrecht, Holland
        • Research Facility
      • Barcelona, Spanien
        • Research Facility
      • Madrid, Spanien
        • Research Facility
      • Zaragoza, Spanien
        • Research Facility
      • Seoul, Sydkorea
        • 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:

  • Histologically proven, Grade 1-2 well differentiated, inoperable, advanced GEP-NETs (Ki67 ≤20%) Eastern Cooperative Oncology Group (ECOG) status 0-2. Ki67% <20% is not required for the ad hoc subcohort of the PK/ECG substudy.
  • Progressive, SSTR-PET positive (i.e., Krenning score 3 or 4) GEP-NET (GI or pancreas) following 2-4 cycles of treatment with 177Lu-labeled SSA. Must have achieved disease control for at least 6 months following Lu-177 SSA (archival tissue is not required for the ad hoc subcohort of the PK/ECG substudy). No time limit is defined between 177Lu-SSA treatment and randomization. There must be at least 1 SSTR-PET imaging-positive measurable site of disease (according to RECIST v1.1) and no RECIST v1.1 measurable metastatic lesions that are SSTR imaging-negative.
  • Adequate renal function, as evidenced by estimated glomerular filtration rate (eGFR) ≥60 mL/min/1.73 m2 (calculated using the Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI]) (Levey et al. 2009)
  • Adequate hematologic function, defined by the following laboratory results:
  • Part 2: Hemoglobin concentration ≥5.0 mmol/L (≥8.0 g/dL); ANC ≥1000 cells/µL (≥1000 cells/mm3); platelets ≥75 x 109/L (75 x 103/mm3).
  • Total bilirubin ≤3 x upper limit normal (ULN)
  • Serum albumin ≥3.0 g/dL unless prothrombin time is within the normal range

Exclusion:

  • Prior radioembolization
  • Significant cardiovascular disease, such as New York Heart Association (NYHA) Class ≥II heart failure, left ventricular ejection fraction (LVEF) <40% or QT interval corrected for heart rate using Fridericia's formula (QTcF) >450 ms for males and >470 ms for females.
  • Resistant hypertension, defined as uncontrolled blood pressure (BP) >140/90 mmHg while on optimal doses of at least 3 antihypertensive medications with 1 being a diuretic (Whelton et al. 2018)
  • Uncontrolled diabetes mellitus as defined by hemoglobin A1C (HgB A1C) ≥8%
  • PRRT other than Lu-177 SSA (not applicable for ad hoc subcohort of the PK/ECG substudy)
  • Any condition requiring systemic treatment with high-dose glucocorticoids within 14 days prior to first dose of study treatment and/or which cannot be stopped while on study. Inhaled or topical steroids are permitted.
  • Prior history of liver cirrhosis or liver transplantation

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: Phase 1b - RYZ101

Part 1 is an uncontrolled dose de-escalation study to confirm the safety and determine the RP3D of RYZ101 based on Bayesian optimal interval design.

RP3D as determined in Phase 1b

Aktiv komparator: Phase 3 - RYZ101

Actinium 225 radiolabeled somatostatin analog (SSA) for injection

RP3D as determined in Phase 1b

Aktiv komparator: Phase 3 - Standard of Care

Investigator's choice of standard of care between everolimus, sunitinib, octreotide, or lanreotide.

Everolimus

Sunitinib

High-dose octreotide

Lanreotide

Aktiv komparator: Phase 3 - RYZ101, PK/ECG Substudy adhoc subcohort

Actinium 225 radiolabeled somatostatin analog (SSA) for injection

RP3D as determined in Phase 1b

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Phase 1b: RP3D
Tidsramme: 56 days of study treatment

Incidence of DLTs during the first 56 days of study treatment will be assessed.

56 days of study treatment
Phase 3: PFS as determined by BICR
Tidsramme: After the target number of 143 PFS events have occurred

PFS will be defined as the time from the date of randomization until the date of progression (as determined by BICR from tumor assessments using RECIST v1.1) or death due to any cause, whichever occurs earlier.

After the target number of 143 PFS events have occurred

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Ye Yuan, MD, RayzeBio Sr. Medical Director

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)

24. marts 2022

Primær færdiggørelse (Anslået)

1. december 2026

Studieafslutning (Anslået)

1. december 2030

Datoer for studieregistrering

Først indsendt

20. juli 2022

Først indsendt, der opfyldte QC-kriterier

25. juli 2022

Først opslået (Faktiske)

28. juli 2022

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

5. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

1. oktober 2026

Sidst verificeret

1. oktober 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

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 .