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AzTrials

Breast CancerPhase 3NCT02104895

Accelerated Partial Breast Irradiation Using Intensity Modulated Radiotherapy Versus Whole Breast Irradiation

A Phase 3 study testing Accelerated partial breast irradiation (APBI) and Whole breast irradiation (WBI) in people with Breast Cancer, run by Azienda Ospedaliero-Universitaria Careggi.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The aim of this Phase 3 randomised trial is to compare the efficacy and safety of whole breast radiotherapy to accelerated partial breast irradiation using intensity-modulated radiotherapy technique in selected early breast cancer patients after breast conserving surgery. Read more about this study

Who is it for?
Ages 40 years and older, women only
Conditions the study is for
Breast Cancer
What is being tested?
Accelerated partial breast irradiation (APBI) and Whole breast irradiation (WBI)
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
520 participants
Where
No sites listed yet
Study dates
Mar 2005to Feb 2014
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age at presentation >40 y
  • Tumor size <25 mm
  • Wide excision or quadrantectomy with clear margins (>5 mm)
  • Clips placed in tumor bed
  • Full informed consent from patient

Who cannot join

  • Cardiac dysfunction
  • Forced expiratory volume in 1 second (FEV1) <1 L/m
  • Extensive intraductal carcinoma
  • Multifocal cancer
  • Psychiatric problems
  • Recurrent breast cancer

About this study

Official title: Randomised Phase 3 Trial Of Accelerated Partial Breast Irradiation Using Intensity Modulated Radiotherapy Versus Whole Breast Irradiation

The aim of this Phase 3 randomised trial is to compare the efficacy and safety of whole breast radiotherapy to accelerated partial breast irradiation using intensity-modulated radiotherapy technique in selected early breast cancer patients after breast conserving surgery.

Read the detailed description

The surgeons were requested to place clips at the borders of the surgical bed, using a minimum of four clips. The presence of surgical clips was a selection criterion to avoid geographic misses. Computed tomography (CT) scanning was performed using 0.3-cm thick-slices and a slice spacing of 0.3 cm.

In patients assigned to APBI arm, the clinical target volume (CTV) was drawn with a uniform 1-cm three-dimensional margin around the surgical clips. The CTV was limited to 3 mm from the skin surface and 3 mm from the lung-chest wall interface. A second uniform, three-dimensional 1-cm margin was added to the CTV to obtain the planning target volume (PTV). The PTV was allowed to extend 4 mm inside the ipsilateral lung and was limited to 3 mm from the skin. The ipsilateral and contralateral breast, ipsilateral and contralateral lung, heart, and spinal cord were contoured as organs at risk.

All the regions of interest were contoured according to the International Commission on Radiation Units and Measurements reports 50 and 62 recommendations. No respiratory control was used.

Concerning the experimental Arm (accelerated partial breast irradiation), a dose of 30 Gy in five fractions at 6 Gy/fraction was prescribed.

The following constraints were adopted for plan optimization: PTV coverage: 100% of PTV covered by 95% of the prescribed dose (V28.5 = 100%); maximal dose to PTV <105% (31.5 Gy); minimal dose to PTV 28 Gy; uninvolved breast (i.e., ipsilateral breast without PTV): not >50% covered by a dose of >50% of the prescribed dose (V15 <50%); ipsilateral lung: not >20% covered by a dose >10 Gy (V10<20%); contralateral lung: not >10% covered by a dose >5 Gy (V5<10%); contralateral breast: maximal dose <1 Gy; heart: not >10% covered by a dose >3 Gy (V3 <10%).

Conditions
Breast Cancer
Being tested
Accelerated partial breast irradiation (APBI), Whole breast irradiation (WBI)
Keywords
Breast cancer, Early breast cancer, Adjuvant breast cancer, Accelerated partial breast irradiation, Intensity modulated radiotherapy
Medical subject headings
Breast Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Accelerated partial breast irradiation (APBI)Radiation

    Accelerated partial breast irradiation (APBI) using intensity modulated radiotherapy (IMRT)

  • Whole breast irradiation (WBI)Radiation

    Conventional whole breast irradiation (WBI)

Study groups in NCT02104895
Study groupRoleWhat they receive
Whole breast irradiation (WBI)Active comparatorConventional whole breast irradiation (WBI)
Receives: Radiation: Whole breast irradiation (WBI)
Partial breast irradiation (APBI)ExperimentalAccelerated partial breast irradiation (APBI)
Receives: Radiation: Accelerated partial breast irradiation (APBI)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Ipsilateral Breast Tumor Recurrence

    We defined local relapse (true recurrence) as the reappearance of the breast cancer in the index quadrant and ipsilateral breast tumours as any new breast cancer diagnosed in other quadrants of the same breast. The sum of local relapses and new ipsilateral breast tumours was defined as the ipsilateral breast tumour recurrence (IBTR). Locoregional tumour recurrence also included any recurrence in the ipsilateral axillary, supraclavicular, or internal mammary chain nodal regions.here we report the percentage of participants in each arm who experienced "Ipsilateral Breast Tumor Recurrence"

    Measured: 5-year

Secondary outcomes (2)
  1. Acute Skin Toxicity

    Acute skin toxicity ≥ grade 2, here we report the percentage of participants in each arm who experienced "Acute skin toxicity ≥ grade 2

    Measured: 5 years

  2. Excellent Cosmesis

    Physician-rated cosmesis, Cosmetic outcome was scored on the four-category Harvard Breast Cosmesis Scale. An excellent cosmetic result score was assigned when the treated breast looked like the contralateral one; a good cosmetic score was assigned for minimal but identifiable radiation effects of the treated breast; a fair score was used if significant radiation effects were readily observable; a poor score was used for severe sequelae due to radiation effects

    Measured: 5 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Apr 2014 (estimated)
  2. Study startMar 2005
  3. Primary completionJun 2013
  4. Study completionFeb 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
520 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02104895
Sponsor's protocol ID
APBI-IMRT-Florence
Status last verified
Jul 2016
First submitted
2 Apr 2014
Last updated
11 Aug 2016
Data monitoring committee
Yes
Individual data sharing
Undecided

Publications

  • Livi L, Buonamici FB, Simontacchi G, Scotti V, Fambrini M, Compagnucci A, Paiar F, Scoccianti S, Pallotta S, Detti B, Agresti B, Talamonti C, Mangoni M, Bianchi S, Cataliotti L, Marrazzo L, Bucciolini M, Biti G. Accelerated partial breast irradiation with IMRT: new technical approach and interim analysis of acute toxicity in a phase III randomized clinical trial. Int J Radiat Oncol Biol Phys. 2010 Jun 1;77(2):509-15. doi: 10.1016/j.ijrobp.2009.04.070. Epub 2009 Aug 21.

    PubMed 19700248
  • Livi L, Meattini I, Marrazzo L, Simontacchi G, Pallotta S, Saieva C, Paiar F, Scotti V, De Luca Cardillo C, Bastiani P, Orzalesi L, Casella D, Sanchez L, Nori J, Fambrini M, Bianchi S. Accelerated partial breast irradiation using intensity-modulated radiotherapy versus whole breast irradiation: 5-year survival analysis of a phase 3 randomised controlled trial. Eur J Cancer. 2015 Mar;51(4):451-463. doi: 10.1016/j.ejca.2014.12.013. Epub 2015 Jan 17.

    PubMed 25605582
  • Meattini I, Saieva C, Marrazzo L, Di Brina L, Pallotta S, Mangoni M, Meacci F, Bendinelli B, Francolini G, Desideri I, De Luca Cardillo C, Scotti V, Furfaro IF, Rossi F, Greto D, Bonomo P, Casella D, Bernini M, Sanchez L, Orzalesi L, Simoncini R, Nori J, Bianchi S, Livi L. Accelerated partial breast irradiation using intensity-modulated radiotherapy technique compared to whole breast irradiation for patients aged 70 years or older: subgroup analysis from a randomized phase 3 trial. Breast Cancer Res Treat. 2015 Oct;153(3):539-47. doi: 10.1007/s10549-015-3565-2. Epub 2015 Sep 9.

    PubMed 26350524
  • Meattini I, Marrazzo L, Saieva C, Desideri I, Scotti V, Simontacchi G, Bonomo P, Greto D, Mangoni M, Scoccianti S, Lucidi S, Paoletti L, Fambrini M, Bernini M, Sanchez L, Orzalesi L, Nori J, Bianchi S, Pallotta S, Livi L. Accelerated Partial-Breast Irradiation Compared With Whole-Breast Irradiation for Early Breast Cancer: Long-Term Results of the Randomized Phase III APBI-IMRT-Florence Trial. J Clin Oncol. 2020 Dec 10;38(35):4175-4183. doi: 10.1200/JCO.20.00650. Epub 2020 Aug 24.

    PubMed 32840419
  • Becherini C, Meattini I, Livi L, Garlatti P, Desideri I, Scotti V, Orzalesi L, Sanchez LJ, Bernini M, Casella D, Nesi S, Nori J, Bianchi S, Pallotta S, Marrazzo L. External accelerated partial breast irradiation for ductal carcinoma in situ: long-term follow-up from a phase 3 randomized trial. Tumori. 2019 Jun;105(3):205-209. doi: 10.1177/0300891618811278. Epub 2018 Nov 26.

    PubMed 30474504
  • Meattini I, Saieva C, Miccinesi G, Desideri I, Francolini G, Scotti V, Marrazzo L, Pallotta S, Meacci F, Muntoni C, Bendinelli B, Sanchez LJ, Bernini M, Orzalesi L, Nori J, Bianchi S, Livi L. Accelerated partial breast irradiation using intensity modulated radiotherapy versus whole breast irradiation: Health-related quality of life final analysis from the Florence phase 3 trial. Eur J Cancer. 2017 May;76:17-26. doi: 10.1016/j.ejca.2017.01.023. Epub 2017 Mar 3.

    PubMed 28262584

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Accelerated partial breast irradiation (APBI) and Whole breast irradiation (WBI) in people with Breast Cancer, run by Azienda Ospedaliero-Universitaria Careggi.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 11 Aug 2016. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 11 Jul 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Ipsilateral Breast Tumor Recurrence (time frame: 5-year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02104895, which also lists 6 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Aug 2016.

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