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End Hole vs. Pressure-Modulated Delivery of Y-90 Resin Microspheres to Liver Metastases.

24. august 2026 opdateret af: Stanford University

Pressure-Enabled Selective SIR-Sphere Uptake for Radiation Efficacy (PRESSURE): A Prospective Randomized Clinical Trial of End Hole vs. Pressure-Modulated Delivery of Y-90 Resin Microspheres to Liver Metastases.

Patients with liver metastases undergoing planning arteriography for Y-90 administration by interventional radiology will be screened for study enrollment. If there are at least 2 planned delivery sites with the same target mean dose to tumor and at least 1 tumor in each angiosome that is measurable by RECIST criteria, the patient is potentially eligible for this study (see full inclusion and exclusion criteria). On the day of Y-90 administration, one delivery site will be randomized to a standard end hole microcatheter while the other delivery site will be assigned to the TriNav Infusion System.

A standard of care post-Y-90 PET/CT will be performed and dosimetry analysis will be conducted. The patient will also undergo a standard of care MRI 3 months and 6 months following Y-90 administration and disease response will be graded according to RECIST/mRECIST criteria.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

65

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • California
      • Palo Alto, California, Forenede Stater, 94305
        • Stanford University
        • Kontakt:
        • Kontakt:
        • Ledende efterforsker:
          • Matthew Hung

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. Presence of multiple liver metastases
  2. Prior multidisciplinary clinical decision for treatment with radioembolization
  3. 18 years of age or older
  4. ECOG less than or equal to 2
  5. Life expectancy > 3 months
  6. Ability to understand and the willingness to provide written informed consent.
  7. At least 2 planned Y-90 delivery sites/vessels with the same target mean dose to tumor
  8. Angiosome for each delivery site has at least 1 measurable tumor per RECIST criteria
  9. At least 1 target tumor per delivery site is exclusively supplied by the angiosome of the delivery site.
  10. Vascular anatomy suitable for use with the TriNav Infusion System, including target vessel diameter 1.5-5 mm.
  11. The vessel level for each planned delivery site is no further distal than the segmental level.

Exclusion Criteria:

  1. Pregnant
  2. Breast-feeding
  3. Lung shunt fraction > 20% or calculated lung dose > 30 Gy
  4. Prior hepatic transarterial embolization in the hepatic lobe to be treated

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: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Single Group
Participants undergo Y-90 administration using both the TriNav Infusion System and a standard end hole microcatheter, with delivery sites randomized within the participant.
The Y-90 dose to be delivered by the TriNav Infusion System will be determined and recorded by the Investigator or Sub-Investigator, calculated using partition-based dosimetry software (i.e. MIM SurePlan or Simplicit90y)
The comparator is a standard end hole microcatheter, defined as any commercially available microcatheter utilizing a single end hole without balloon occlusion or other tip modifications. The Y-90 dose delivered by the standard end hole microcatheter will be determined and recorded by the Investigator or Sub-Investigator and calculated using partition-based dosimetry software (e.g., MIM SurePlan or Simplicit90Y).

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tumor Absorbed Dose (Gy)
Tidsramme: Within 1 day following intervention
Tumor absorbed dose (Gy) measured using post-radioembolization ^90Y PET/CT and Simplicit90Y dosimetry analysis software. The endpoint will compare the absorbed dose delivered to tumors following Y-90 administration using the TriNav Infusion System versus a standard end-hole microcatheter.
Within 1 day following intervention

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tumor-to-Normal Liver Ratio (T/N Ratio)
Tidsramme: Within 1 day following intervention
T/N ratio measured on post-radioembolization ^90Y PET/CT using Simplicit90Y dosimetry analysis software. This endpoint evaluates preferential microsphere deposition within tumor relative to normal liver tissue and compares results between treatment groups.
Within 1 day following intervention
Objective Response Rate (ORR) by RECIST 1.1
Tidsramme: 3 months and 6 months after radioembolization
Proportion of target lesions achieving complete response (CR) or partial response (PR) according to RECIST 1.1 criteria on contrast-enhanced MRI of the abdomen at 3 and 6 months following radioembolization.
3 months and 6 months after radioembolization
Disease Control Rate (DCR) by RECIST 1.1
Tidsramme: 3 months and 6 months after radioembolization
Proportion of target lesions achieving complete response (CR), partial response (PR), or stable disease (SD) according to RECIST 1.1 criteria on contrast-enhanced MRI of the abdomen at 3 and 6 months following radioembolization.
3 months and 6 months after radioembolization
Tumor Response by mRECIST for enhancing tumors
Tidsramme: 3 months and 6 months after radioembolization
For tumors demonstrating arterial enhancement on pre-treatment imaging, treatment response will be assessed using mRECIST criteria on contrast-enhanced MRI of the abdomen at 3 and 6 months following radioembolization.
3 months and 6 months after radioembolization

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Matthew Hung, MD, Stanford University

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. november 2026

Primær færdiggørelse (Anslået)

1. november 2028

Studieafslutning (Anslået)

1. november 2029

Datoer for studieregistrering

Først indsendt

21. august 2026

Først indsendt, der opfyldte QC-kriterier

24. august 2026

Først opslået (Faktiske)

28. august 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

28. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

24. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • IRB-88560

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

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