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Radiation Therapy in Treating Women Who Have Undergone Breast Conservation Surgery and Systemic Therapy for Early Breast Cancer

6. januar 2011 opdateret af: Institute of Cancer Research, United Kingdom

Randomized Trial Testing Dose Escalated Intensity Modulated Radiotherapy for Women Treated by Breast Conservation Surgery and Appropriate Systemic Therapy for Early Breast Cancer

RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Specialized radiation therapy, such as intensity-modulated radiation therapy, that delivers a high dose of radiation directly to the tumor may kill more tumor cells and cause less damage to normal tissue. It is not yet known which radiation therapy schedule is more effective in treating breast cancer.

PURPOSE: This randomized phase III trial is studying three different radiation therapy schedules to compare how well they work in treating women who have undergone breast conservation surgery and systemic therapy for early breast cancer.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

OBJECTIVES:

  • To test dose-escalated intensity-modulated radiotherapy after breast conservation surgery in women with early breast cancer who are at higher than average risk for local recurrence.

OUTLINE: This is a multicenter study. Patients are stratified according to center. Patients are randomized to 1 of 3 treatment arms.

  • Arm I (control): Patients undergo sequential boost dose intensity-modulated radiotherapy (IMRT) 5 days a week for 4.6 weeks (23 fractions; 56 Gy).
  • Arm II: Patients undergo concurrent boost dose IMRT 5 days a week for 3 weeks (15 fractions; 48 Gy).
  • Arm III: Patients undergo concurrent boost dose IMRT 5 days a week for 3 weeks (15 fractions; 53 Gy).

Quality-of-life questionnaires are administered at baseline, 6 months, and at 1, 3, and 5 years. Photograph assessments of the breasts are taken at baseline and at 3 and 5 years. Blood samples are collected at baseline and periodically thereafter. Tissue samples are also collected from primary tumor, including new primary tumor in either breast, and recurrent tumor.

After completion of study treatment, patients are followed annually for 10 years.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

840

Fase

  • Fase 3

Kontakter og lokationer

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

Studiesteder

  • Det Forenede Kongerige
    • England
      • Sutton, England, Det Forenede Kongerige, SM2 5PT
        • Rekruttering
        • Royal Marsden - Surrey
        • Kontakt:
          • John R. Yarnold, MD, FRCR
          • Telefonnummer: 44-20-8661-3388

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

Kvinde

Beskrivelse

DISEASE CHARACTERISTICS:

  • Histologically confirmed invasive breast cancer

    • Resectable, unilateral disease
    • T1-3, N0-1, M0 disease
  • Has undergone prior breast conservation surgery with complete microscopic resection AND received appropriate systemic therapy for early breast cancer

  • Requires a tumor bed boost plus whole breast radiotherapy as indicated by ≥ 1 of the following:

    • Age 18-49 years
    • Tumor size > 2.0 cm after primary surgery (maximum microscopic diameter of invasive component)
    • Tumor of any size treated by primary medical therapy
    • Grade III disease
    • Minimum microscopic margin of noncancerous tissue < 5 mm (excluding deep margin if at deep fascia)
    • Lymphovascular invasion
    • Axillary node positive
  • Hormone receptor status not specified

PATIENT CHARACTERISTICS:

  • Menopausal status not specified
  • No prior malignancy other than non-melanoma skin cancer or carcinoma in situ of the cervix

PRIOR CONCURRENT THERAPY:

  • See Disease Characteristics
  • No prior mastectomy
  • No concurrent chemotherapy except primary or sequential chemotherapy

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

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Arm I (control)
Patients undergo sequential boost dose intensity-modulated radiotherapy (IMRT) 5 days a week for 4.6 weeks (23 fractions; 56 Gy).
Stråling: intensity-modulated radiation therapy
Given as 48, 53, or 56 Gy
Eksperimentel: Arm II
Patients undergo concurrent boost dose IMRT 5 days a week for 3 weeks (15 fractions; 48 Gy).
Stråling: intensity-modulated radiation therapy
Given as 48, 53, or 56 Gy
Eksperimentel: Arm III
Patients undergo concurrent boost dose IMRT 5 days a week for 3 weeks (15 fractions; 53 Gy).
Stråling: intensity-modulated radiation therapy
Given as 48, 53, or 56 Gy

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Palpable induration inside the boost volume of the irradiated breast

Sekundære resultatmål

Resultatmål
Samlet overlevelse
Other late adverse effects in normal tissue as measured by clinical and photographic assessments and patient self-assessments (quality-of-life questionnaires)
Local tumor control
Location of tumor relapse in breast
Contralateral primary tumors
Regional and distant metastases

Samarbejdspartnere og efterforskere

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

Sponsor

Institute of Cancer Research, United Kingdom

Efterforskere

  • Ledende efterforsker: John R. Yarnold, MD, FRCR, Royal Marsden NHS Foundation Trust

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

1. august 2008

Datoer for studieregistrering

Først indsendt

6. januar 2009

Først indsendt, der opfyldte QC-kriterier

6. januar 2009

Først opslået (Skøn)

7. januar 2009

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

7. januar 2011

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. januar 2011

Sidst verificeret

1. januar 2009

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • CDR0000629770
  • ICR-IMPORT-HIGH
  • ICR-CTSU/2007/10013
  • ISRCTN47437448
  • EU-20897

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 .

Kliniske forsøg med Brystkræft

Kliniske forsøg med intensity-modulated radiation therapy

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Sponsorer og samarbejdspartnere

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CROs in Switzerland

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

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