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Dendritic Cell-immunotherapy for Advanced Hepatocellular Carcinoma

22. juli 2026 opdateret af: Wei-Chen Lee, Chang Gung Memorial Hospital

A Phase II Trial, Sequential Treatments of Dendritic Cell Vaccination Followed by Transcatheter Arterial Chemoembolization for Advanced Hepatocellular Carcinoma

The prognosis of advanced hepatocellular carcinoma is poor. In this study, the eligible patients will be treated by tumor antigen-pulsed autologous dendritic cells and followed by TACE. The end points are to see tumor response and patient survival.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Hepatocellular carcinoma (HCC) is a high malignant tumor with a rapidly progressive clinical course. Surgery is the first choice of the treatment. However, most HCC patients have numerous tumors upon diagnosis, which are not possible to be treated by surgical resection. Currently, several treatment options are applied to treat unresectable HCC, including transcartheter arterial chemoembolization (TACE), percutaneous ethanol injection, radiofrequency ablation, chemotherapy and radiotherapy. Nevertheless, the therapeutic results of these treatment modalities are unsatisfied.

TACE is frequently applied to treat the patients with unresectable HCCs in daily practice. Embolization blocks the arterial blood supply to the tumor and results in tumor necrosis. However, clinical benefits are limited, and the response rate is only 30% Dendritic cells (DC), the most potent antigen-presenting cells, serve as a cancer vaccine to conduct an antigen-specific anti-tumor therapy. Dendritic cell-based immunotherapy has been applied to treat advanced HCC in our previous study. The clinical results of this study verify the feasibility of DC-based immunotherapy for HCC. However, the results are still unsatisfied.

In this proposal, investigators are going to treatment the patients having unresectable HCCs with DC vaccination followed by TACE. DC vaccination can provoke antigen-specific immunity and induce memory T-cells. TACE following DC vaccination may further promote T-cell immunity to treat cancer. Therefore, the specific aims in this study are:

  1. To determine whether DC vaccination followed by TACE can treat HCC effectively in a clinical trial.
  2. To determine whether DC vaccination can provoke memory T cells and following TACE can further promote anti-HCC immunity.

The achievement of this clinical trial will help to establish a new strategy for the treatment of unresectable HCC.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

100

Fase

  • Fase 2

Kontakter og lokationer

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

Studiesteder

      • Taoyuan, Taiwan, 33357
        • Chang-Gung Memorial 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

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • advanced HCC patients, no response to standard treatment; WBC : 3000-12000/ul; platelet: >80000/ul; anticipated survival > 3 months, measurable tumors.

Exclusion Criteria:

  • HIV; BCLC stage; acute infection; sepsis; other advanced malignancy; acute liver failure;

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: dendritic cell treatment
phase 2, one treatment arm
autologous dendritic cell vaccination

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Incidence of Treatment-Related Adverse Events
Tidsramme: up to 48 months.
To evaluate the safety of the treatments by assessing the number of participants with treatment-related adverse events.
up to 48 months.
Objective Tumor Response
Tidsramme: From date of first treatment until the date of first documented progression, assessed up to 48 months.
To evaluate the tumor responses under the treatments as assessed by modified RECIST criteria.
From date of first treatment until the date of first documented progression, assessed up to 48 months.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Overall Survival (OS)
Tidsramme: From date of first treatment to death from any cause, assessed up to 48 months.
To examine the survival of the patients. Overall survival is defined as the time from the date of first treatment to death from any cause.
From date of first treatment to death from any cause, assessed up to 48 months.
Enhancement of Immunity
Tidsramme: Baseline and at specified intervals up to 48 months.
evaluate the enhancement of immunity after treatments by measuring quantitative T-cell proliferation via mixed lymphocyte reaction (MLR).
Baseline and at specified intervals up to 48 months.

Samarbejdspartnere og efterforskere

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

Efterforskere

  • Ledende efterforsker: Wei-Chen Lee, MD, Chang Gung Memorial Hospital

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)

1. juli 2019

Primær færdiggørelse (Anslået)

1. februar 2028

Studieafslutning (Anslået)

1. februar 2028

Datoer for studieregistrering

Først indsendt

4. juni 2020

Først indsendt, der opfyldte QC-kriterier

22. juli 2026

Først opslået (Faktiske)

24. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

24. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

22. juli 2026

Sidst verificeret

1. juli 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

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INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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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 .

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