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Role of Postoperative Radiotherapy in T1-T2N0M0 Glottic Carcinoma Involving the Anterior Commissure

20 augustus 2026 bijgewerkt door: Second Affiliated Hospital, Zhejiang University, School of Medicine

Role of Postoperative Radiotherapy in T1-T2N0M0 Glottic Carcinoma Involving the Anterior Commissure: A Prospective, Multicenter, Phase II Clinical Trial

There remains no uniform treatment modality for glottic laryngeal carcinoma. Current clinical guidelines broadly recommend surgery or radiotherapy as single modality treatment for early stage glottic laryngeal carcinoma. Glottic carcinoma with anterior commissure invasion is linked to inferior local control; both definitive radiotherapy alone or transoral laser microsurgery (TLM) may confer a higher risk of local recurrence compared with other glottic carcinomas. We hypothesize that postoperative radiotherapy can act as an effective adjunct to surgery and reduce recurrence rates in patients with glottic carcinoma involving the anterior commissure. This study aims to conduct a multicenter, prospective, single arm phase II clinical trial of intensity modulated radiotherapy (IMRT) for postoperative patients with early stage glottic laryngeal carcinoma and anterior commissure involvement, to preliminarily evaluate the effect of IMRT on local control rates and long term survival outcomes in this patient population.

Studie Overzicht

Toestand

Werving

Conditie

Interventie / Behandeling

Studietype

Ingrijpend

Inschrijving (Geschat)

38

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Locaties

  • China
    • Zhejiang
      • Hangzhou, Zhejiang, China, 310009
        • Werving
        • Second Affiliated Hospital of Zhejiang University School of Medicine

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen
  • Oudere volwassene

Accepteert gezonde vrijwilligers

Nee

Beschrijving

Inclusion Criteria:

  1. Aged 18 years or older, regardless of gender;
  2. Pathologically confirmed glottic squamous cell carcinoma;
  3. T1-T2N0M0 glottic laryngeal carcinoma with anterior commissure involvement;
  4. Patients who have undergone curative intent surgery for glottic carcinoma with negative surgical margins, within 4-8 weeks post operation;
  5. No prior radiotherapy, chemotherapy or other anti neoplastic agent treatment;
  6. ECOG performance status of 0 or 1;
  7. Signed informed consent form.

Exclusion Criteria:

  1. Patients without anterior commissure involvement;
  2. Prior chemotherapy or treatment with other anti neoplastic agents;
  3. Prior history of head and neck radiotherapy;
  4. Prior participation in other clinical trials;
  5. Patients with severe allergy history or allergic diathesis, e.g., contrast medium allergy;
  6. Pregnant or lactating women;
  7. Patients with uncontrolled acute infection;
  8. Patients with drug addiction, substance abuse, chronic heavy alcohol consumption, or human immunodeficiency virus (HIV) infection;
  9. Patients with other uncontrolled concurrent malignancies.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: NVT
  • Interventioneel model: Opdracht voor een enkele groep
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: Postoperative radiotherapy
intensity modulated radiotherapy (IMRT)
Straling: intensity modulated radiotherapy (IMRT)

Postoperative radiotherapy clinical target volume (CTV) design: The conventional postoperative laryngeal radiotherapy target is defined as CTV1, which encompasses the entire laryngeal structure, piriform sinus, gloss-epiglottic vallecula, paraglottic space, pre-epiglottic space, thyroid cartilage, and extends to the inferior border of the cricoid cartilage. For T2 tumours, CTV2 is delineated to include bilateral cervical lymph node regions II-III.

PTV1 and PTV2 are defined as the regions expanded by 3 mm outward from CTV1 and CTV2, respectively. The prescribed dose for PTV1 is 60 Gy in 30 fractions (60 Gy/30F), and the prescribed dose for PTV2 is 54 Gy in 30 fractions (54 Gy/30F).

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
3-year local-regional failure-free survival (LRFS)
Tijdsspanne: From the date of surgery to the date of local recurrence, , assessed up to 3 year.
3-year local-regional failure-free survival (LRFS): defined as the time from the date of surgery to recurrence of the primary lesion and perilesional tissues. The index date for recurrence is the date when a measurable new lesion is first identified. For patients who die of any other cause prior to documented disease recurrence, LRFS is calculated from the date of surgery to the date of death. For patients without documented disease recurrence or death at the time of analysis (i.e., recurrence-free survivors), the time of the last efficacy assessment will be used as the endpoint.
From the date of surgery to the date of local recurrence, , assessed up to 3 year.

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Adverse events
Tijdsspanne: From enrollment to the end of treatment at 5 years.
The incidence, type, and severity of adverse events (AEs), serious AEs, and immune-related AEs (irAEs) were assessed in accordance with the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE version 5.0).
From enrollment to the end of treatment at 5 years.
5-year local-regional failure-free survival (LRFS)
Tijdsspanne: From the date of surgery to the date of local recurrence, assessed up to 5 year.
5-year local-regional failure-free survival (LRFS): defined as the time from the date of surgery to recurrence of the primary lesion and perilesional tissues. The index date for recurrence is the date when a measurable new lesion is first identified. For patients who die of any other cause prior to documented disease recurrence, LRFS is calculated from the date of surgery to the date of death. For patients without documented disease recurrence or death at the time of analysis (i.e., recurrence-free survivors), the time of the last efficacy assessment will be used as the endpoint.
From the date of surgery to the date of local recurrence, assessed up to 5 year.
5-year overall survival (OS)
Tijdsspanne: From the date of surgery until the date of surgery due to any cause, assessed up to 5 year.
Overall Survival(OS) is defined as the period from the date of surgery to the date of death due to any cause.
From the date of surgery until the date of surgery due to any cause, assessed up to 5 year.
5-year disease-free survival (DFS)
Tijdsspanne: Time from the date of surgery to any evidence of tumour growth or death, assessed up to 5 year.
5-year disease-free survival (DFS): defined as the time from the date of surgery during which the patient remains alive without evidence of tumour growth. Recurrence is defined as the emergence of new lesions, including recurrence of the primary lesion and perilesional tissues, cervical lymph-node metastasis, and distant metastasis. The index date for recurrence is the date on which a measurable new lesion is first identified. For patients who die of any other cause prior to documented disease recurrence, DFS is calculated from the date of surgery to the date of death. For patients with no documented disease recurrence or death at the time of analysis (i.e., disease-free survivors), the time of the last efficacy assessment will serve as the endpoint.
Time from the date of surgery to any evidence of tumour growth or death, assessed up to 5 year.

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Second Affiliated Hospital, Zhejiang University, School of Medicine

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

16 september 2026

Primaire voltooiing (Geschat)

31 december 2031

Studie voltooiing (Geschat)

31 december 2031

Studieregistratiedata

Eerst ingediend

18 augustus 2026

Eerst ingediend dat voldeed aan de QC-criteria

20 augustus 2026

Eerst geplaatst (Werkelijk)

24 augustus 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

24 augustus 2026

Laatste update ingediend die voldeed aan QC-criteria

20 augustus 2026

Laatst geverifieerd

1 augustus 2026

Meer informatie

Termen gerelateerd aan deze studie

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • 2026-0861

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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