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Proton Radiation Therapy for Invasive Breast Cancer Following Mastectomy

3. januar 2021 opdateret af: Shannon MacDonald, MD, Massachusetts General Hospital

Pilot Study of Proton Radiation Therapy for Invasive Breast Carcinoma Following Mastectomy

In this study we are looking at a type of radiation called proton radiation which is known to spare surrounding tissue and organs from radiation. The proton radiation will be delivered using 3D conformal proton radiation or scanned beam/IMPT (Intensity Modulated Proton Radiation Treatment). Proton radiation delivers no dose beyond the region requiring treatment. This may reduce side effects that patients would normally experience with conventional radiation therapy or other means of delivering proton radiation therapy. In this study we are evaluating the effectiveness of using proton radiation delivered to reduce side effects association with radiation treatment.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Proton radiation will be delivered daily for approximately 5 1/2 weeks. Patients will be assessed weekly for any side effects they may be experiencing.

Patients will have follow-up visits 4 weeks after proton therapy ends, at 6 months, 12 months, and then every year for up to five years after treatment. Follow-up visits will include a physical examination, radiological imaging (if necessary), echocardiogram, and laboratory tests.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

70

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Forenede Stater
    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02114
        • Massachusetts General 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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Histologically confirmed invasive breast cancer confined to the breast and regional lymphatics
  • Completed mastectomy (complete not partial )breast surgery +/- reconstructive surgery
  • Life expectancy > 12 months

Exclusion Criteria:

  • Pregnant or breast-feeding
  • Prior therapeutic radiation > 200 cGy
  • History of a different malignancy unless disease-free for at least 5 years or diagnosed and treated cervical cancer in situ, or basal or squamous cell cancer of the skin
  • Prior investigation 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: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Proton Radiation
Radiation therapy with proton beam
Stråling: Proton Radiation
45-50.4 Gy(RBE) to the chest wall and 45-50.5 Gy(RBE) once daily, 5 days per week, for approximately 5 1/2 weeks

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants With Grade 3 or Higher Radiation Pneumonitis or Any Grade 4 Adverse Event
Tidsramme: From the start of treatment until 3 months after the end of treatment, median duration of treatment of 6 weeks
To determine the feasibility of using proton radiation for the treatment of invasive breast cancer following mastectomy based on the occurrence of grade 3 or > radiation pneumonitis or any grade 4 adverse event within 3 months after the completion of radiation treatment.
From the start of treatment until 3 months after the end of treatment, median duration of treatment of 6 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
The Number of Participants With Acute Skin Toxicities
Tidsramme: From the start of treatment until 3 months after the end of treatment
Summary of the number of participants with any grade acute skin toxicities. Acute skin toxicity was assessed from the start of treatment until 90 days after the end of treatment. Skin toxicity was assessed using Common Terminology Criteria for Adverse Events (CTCAE 4).
From the start of treatment until 3 months after the end of treatment
Rate and Severity of Radiation Pneumonitis
Tidsramme: From the start of treatment until 3 months after the end of treatment and was not included in the analysis population.

The number of participants that experienced radiation pneumonitis within three months of the end of treatment. The participants that experienced radiation pneumonitis are grouped by grade. Adverse events were assessed using Common Terminology Criteria for Adverse Events (CTCAE 4).

  • Grade 1: Mild
  • Grade 2: Moderate
  • Grade 3: Severe
  • Grade 4: Life-Threatening
  • Grade 5: Fatal
From the start of treatment until 3 months after the end of treatment and was not included in the analysis population.
Summary of Late Skin Toxicity
Tidsramme: From 3 months after the end of treatment up to 5 years
A summary of the late skin toxicities experienced by participants. The number of participants effected is shown for each toxicity experienced. Skin toxicities were assessed using Common Terminology Criteria for Adverse Events (CTCAE 4).
From 3 months after the end of treatment up to 5 years
To Evaluate Cosmetic Outcome and Patient Satisfaction With Cosmetic Outcome
Tidsramme: From the start of treatment until 5 years post treatment
From the start of treatment until 5 years post treatment
Acute and Late Toxicity of Breast Reconstruction Following Proton Radiation
Tidsramme: From the start of treatment until 5 years post treatment
Combined summary of the acute (within 3 months of completing treatment) and late (3 months to 5 years after completion of treatment) toxicities experienced by participants thought to be related to breast reconstruction surgery following proton radiation treatment. Toxicities are assessed using Common Terminology Criteria for Adverse Events (CTCAE 4).
From the start of treatment until 5 years post treatment
The Number of Participants That Needed Unplanned Additional Surgery for Breast Reconstruction
Tidsramme: From the start of treatment until 5 years post treatment
From the start of treatment until 5 years post treatment
The Number of Participants With Early Signs of Cardiac Effects From Radiation Therapy
Tidsramme: Baseline and then 4 and 8 weeks post treatment
The number of participant that had early signs of cardiac effects from radiation therapy as assessed using a Strain Echo-cardiogram. The data from the Echo-cardiogram was evaluated for signs of negative impacts to cardiac function as determined by the treating physician. Parameters considered in the evaluation of the echo-cardiogram by the physician included myocardial velocity, strain, strain rate, and torsion. Blood-based cardiac bio-markers pro-BNP and ultra-sensitive troponin-I were also assessed. Either a clinically meaningful change in the strain echo-cardiogram parameters or clinically meaningful elevation of the bio-markers was sufficient to be considered to have early signs of cardiac effects.
Baseline and then 4 and 8 weeks post treatment
Progression Free Survival
Tidsramme: from the start of treatment until the time of disease progression, up to 5 years
Progression-free survival is defined as the duration from the start of radiation to the date of objective disease progression or death due to any cause, whichever is earlier. Disease progression is defined as the appearance of one or more new lesions.
from the start of treatment until the time of disease progression, up to 5 years

Samarbejdspartnere og efterforskere

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

Sponsor

Massachusetts General Hospital

Samarbejdspartnere

National Cancer Institute (NCI)

Efterforskere

  • Ledende efterforsker: Shannon M MacDonald, M.D., Massachusetts General Hospital

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

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. juni 2011

Primær færdiggørelse (Faktiske)

1. april 2017

Studieafslutning (Forventet)

1. januar 2022

Datoer for studieregistrering

Først indsendt

20. april 2011

Først indsendt, der opfyldte QC-kriterier

20. april 2011

Først opslået (Skøn)

22. april 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

5. januar 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. januar 2021

Sidst verificeret

1. januar 2021

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 10-205

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Kliniske forsøg med Invasiv brystkræft

Kliniske forsøg med Proton Radiation

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Sponsorer og samarbejdspartnere

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Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

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