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Induction Chemo-Immunotherapy + Radiotherapy vs Concurrent Chemoradiotherapy for Unresectable Locally Advanced Esophageal Squamous Cell Carcinoma

26. april 2026 opdateret af: Second Affiliated Hospital of Zunyi Medical University

Efficacy and Safety of Induction Chemo-Immunotherapy Followed by Radiotherapy vs Concurrent Chemoradiotherapy in Unresectable Locally Advanced Esophageal Squamous Cell Carcinoma: A Randomized, Two-Arm, Phase II Study

This is a prospective, randomized, phase II clinical study in patients with unresectable stage III-IVA esophageal squamous cell carcinoma (ESCC). Eligible patients will be randomly assigned in a 1:1 ratio to two treatment groups. The experimental group will receive 3 cycles of induction therapy with PD-1 antibody plus chemotherapy, followed by radiotherapy, and then maintenance therapy with PD-1 antibody monotherapy. The control group will receive concurrent chemoradiotherapy, followed by maintenance therapy with PD-1 antibody monotherapy. The primary endpoints are the complete response (CR) rate at 3 months after radiotherapy (assessed by investigators) and the 1-year progression-free survival (PFS) rate. Secondary endpoints include overall survival (OS), progression-free survival (PFS), duration of response, objective response rate (ORR), local-regional recurrence-free survival (LRFS), distant metastasis-free survival (DMFS), quality of life, and safety profile.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This is a prospective, randomized, two-arm, phase II clinical trial investigating induction chemo-immunotherapy followed by sequential radiotherapy versus concurrent chemo-immunotherapy plus radiotherapy in patients with unresectable locally advanced esophageal squamous cell carcinoma (ESCC).

Current standard of care for unresectable locally advanced ESCC is definitive concurrent chemoradiotherapy. However, outcomes remain suboptimal, with high rates of local recurrence and distant metastasis. The addition of PD-1 inhibitors to concurrent chemoradiotherapy has shown promising activity in recent studies, but optimal sequencing and integration of immunotherapy with radiotherapy are still under investigation.

This trial is designed to evaluate whether an induction strategy with chemo-immunotherapy followed by radiotherapy can improve response rates and long-term survival compared to the standard concurrent approach. Patients will be randomized to receive either:

  • Experimental arm: Three cycles of induction chemo-immunotherapy, followed by definitive thoracic radiotherapy, then maintenance immunotherapy for up to one year.
  • Control arm: Concurrent chemo-immunotherapy plus definitive thoracic radiotherapy, followed by maintenance immunotherapy for up to one year.

The primary objective is to compare the efficacy of the two regimens in terms of complete response and progression-free survival. Safety, tolerability, and quality of life will also be assessed to support the risk-benefit profile of each strategy.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

92

Fase

  • Fase 2

Kontakter og lokationer

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

Studiekontakt

  • Navn: Jian-Guo Zhou, PhD
  • Telefonnummer: +86-851-18212154044
  • E-mail: jsdxzl@126.com

Studiesteder

  • Kina
    • Guizhou
      • Zunyi, Guizhou, Kina, 563000
        • Rekruttering
        • The Second Affiliated Hospital of Zunyi Medical University, Xinpu New District, Honghuagang District, Zunyi City, Guizhou Province
        • Kontakt:
          • lei zhou, Master
          • Telefonnummer: +86-851-18212154044
          • E-mail: jsdxzl@126.com

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

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Ingen

Beskrivelse

Inclusion Criteria:

  • Histologically or cytologically confirmed unresectable stage III-IVA esophageal squamous cell carcinoma (ESCC)
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • Adequate organ function (bone marrow, liver, renal, cardiac) within 2 weeks prior to randomization
  • Measurable or evaluable disease per RECIST 1.1
  • Willing to provide written informed consent

Exclusion Criteria:

  • Previous radiotherapy to the chest or previous systemic chemotherapy for ESCC
  • History of other malignancies within the last 5 years (except cured basal cell carcinoma or cervical carcinoma in situ)
  • Severe comorbidities (uncontrolled hypertension, NYHA class III-IV heart failure, active infection, etc.)
  • Known hypersensitivity to any study drugs (paclitaxel, cisplatin/carboplatin, PD-1 antibody)
  • Pregnant or lactating women
  • Participation in another clinical trial within 30 days prior to randomization

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: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Experimental Group: Chemo-Immunotherapy Induction + Radiotherapy + PD-1 Maintenance
Patients receive 3 cycles of PD-1 antibody plus chemotherapy induction therapy, followed by thoracic radiotherapy (50.4Gy in 28 fractions), then PD-1 antibody maintenance therapy (200mg IV q3w, up to 1 year).
Medicin: Paclitaxel plus Cisplatin or Carboplatin (Induction Chemotherapy)
Paclitaxel 150-175 mg/m² combined with cisplatin 75 mg/m² or carboplatin AUC 5 (maximum 600 mg), administered intravenously every 3 weeks for 3 cycles, concurrent with PD-1 antibody induction therapy for unresectable stage III-IVA esophageal squamous cell carcinoma.
Aktiv komparator: Control Group: Concurrent Chemoradiotherapy + PD-1 Maintenance
Patients receive weekly paclitaxel + cisplatin/carboplatin concurrent with thoracic radiotherapy (50.4Gy in 28 fractions), then PD-1 antibody maintenance therapy (200mg IV q3w, up to 1 year).
Medicin: Weekly Paclitaxel plus Cisplatin or Carboplatin (Concurrent Chemotherapy)
Paclitaxel 50 mg/m² combined with cisplatin 25 mg/m² or carboplatin AUC 5 (maximum 600 mg), administered intravenously once weekly for 5 cycles, concurrent with thoracic radiotherapy (50.4Gy in 28 fractions) for unresectable stage III-IVA esophageal squamous cell carcinoma.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Complete Response (CR) Rate at 3 Months After Radiotherapy (Investigator-Assessed)
Tidsramme: 3 months after completion of radiotherapy
Proportion of patients achieving complete response (CR) per RECIST 1.1, assessed by investigators at 3 months after completion of radiotherapy
3 months after completion of radiotherapy
1-Year Progression-Free Survival (PFS) Rate
Tidsramme: 1 year after randomization
Proportion of patients alive and without disease progression at 1 year after randomization
1 year after randomization

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Overall Survival (OS)
Tidsramme: Up to 3 years after randomization
Time from randomization to death from any cause
Up to 3 years after randomization
Progression-Free Survival (PFS)
Tidsramme: Up to 3 years after randomization
Time from randomization to first documented disease progression or death from any cause, whichever occurs first
Up to 3 years after randomization
Duration of Response (DOR)
Tidsramme: Up to 3 years after randomization
Time from first documentation of objective response (CR/PR) to first documented disease progression or death
Up to 3 years after randomization
Objective Response Rate (ORR)
Tidsramme: Up to 3 years after randomization
Proportion of patients achieving CR or partial response (PR) per RECIST 1.1
Up to 3 years after randomization
Local Regional Failure-Free Survival (LRFS)
Tidsramme: Up to 3 years after randomization
Time from randomization to first local or regional recurrence or death
Up to 3 years after randomization
Distant Metastasis-Free Survival (DMFS)
Tidsramme: Up to 3 years after randomization
Time from randomization to first distant metastasis or death
Up to 3 years after randomization
Incidence of Treatment-Emergent Adverse Events (TEAEs)
Tidsramme: From first study treatment to 30 days after last treatment
Incidence and severity of TEAEs (graded per CTCAE 5.0) during treatment and follow-up
From first study treatment to 30 days after last treatment
EORTC QLQ-OES18 Symptom Score Change
Tidsramme: Baseline, 3 months, 6 months, 12 months after radiotherapy
Change in esophageal cancer-specific symptom score as assessed by the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Oesophageal 18 (EORTC QLQ-OES18) from baseline to post-treatment follow-ups. The scale ranges from 0 to 100, with higher scores indicating more severe symptoms and worse quality of life.
Baseline, 3 months, 6 months, 12 months after radiotherapy
EORTC QLQ-C30 Quality of Life Score Change
Tidsramme: Baseline, 3 months, 6 months, 12 months after radiotherapy.
Change in quality of life score as assessed by the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) from baseline to post-treatment follow-ups. The scale ranges from 0 to 100, with higher scores indicating better quality of life.
Baseline, 3 months, 6 months, 12 months after radiotherapy.

Samarbejdspartnere og efterforskere

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

Sponsor

Second Affiliated Hospital of Zunyi Medical University

Efterforskere

  • Ledende efterforsker: Lei Zhou, Master, The Second Affiliated Hospital of Zunyi Medical 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 (Faktiske)

1. januar 2026

Primær færdiggørelse (Anslået)

1. januar 2028

Studieafslutning (Anslået)

30. juni 2028

Datoer for studieregistrering

Først indsendt

28. marts 2026

Først indsendt, der opfyldte QC-kriterier

26. april 2026

Først opslået (Faktiske)

30. april 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

30. april 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

26. april 2026

Sidst verificeret

1. april 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • KYLL-2025-143

Plan for individuelle deltagerdata (IPD)

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