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Invasive Lobular and Ductal CarcinomaNCT01295723

Intraoperative Boost Radiotherapy With Electrons (IOERT) Followed By Hypofractionated Whole-Breast Irradiation (WBRT)

A study testing Hypofractionated Whole Breast Radiation Therapy and Intraoperative Electron Radiation Therapy in people with Invasive Lobular and Ductal Carcinoma, run by St. Joseph Hospital of Orange at 1 site in United States.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Hypofractionated intraoperative boost (HIOB) is defined as hypofractionated WBRT (40.5 Gy in 2.7 Gy per fraction) preceded by an intraoperative boost to the tumor bed (10 Gy IOERT). Read more about this study

Who is it for?
Ages 40 years and older
Conditions the study is for
Invasive Lobular and Ductal Carcinoma
What is being tested?
Hypofractionated Whole Breast Radiation Therapy and Intraoperative Electron Radiation Therapy
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
200 participants
Where
1 siteUnited States
Study dates
Jan 2011to Dec 2022
Phase
Interventional
Are there results?
None posted in the registry

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
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Histological proven invasive breast carcinoma (ductal and lobular)
  • Age > 40 years
  • Karnofsky performance status >70%
  • Single discrete tumor or focal microcalcifications that can be imaged on a specimen radiograph or multifocal disease within the same quadrant with a maximum dimension of 4 cm (invasive foci)
  • Nodal Status: NO-1
  • Clear surgical margins: R0; min 2mm. Re-excision after IOERT is permitted but not required to achieve (-) margin.
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  • All grades G1 - G3
  • Any hormonal receptor and Her-2 status
  • Informed consent

Who cannot join

  • In-situ Carcinoma without invasive component or multifocal disease > 4 cm
  • Tumor stage: T3 or 4
  • Nodal Status > N1 pathologically
  • Surgical margins < 2mm
  • Multicentricity
  • Previous radiotherapy to the involved breast
Show all 10Show fewer
  • Karnofsky Index < 70%
  • Mixed connective tissue diseases e.g. rheumatoid polyarthritis, thromboangitis obliterans, systemic lupus.
  • Distant metastases
  • Unable to provide written consent

Trial locations and contacts

1 site in 1 country.

United States1 site
  • St. Joseph Hospital of Orange

    Orange, California, 92868

Other trials in United States

About this study

Hypofractionated intraoperative boost (HIOB) is defined as hypofractionated WBRT (40.5 Gy in 2.7 Gy per fraction) preceded by an intraoperative boost to the tumor bed (10 Gy IOERT). The HIOB study concept will test whether such a combined schedule is superior or iso-effective standard RT in terms of local control and cosmetic outcome.

Read the detailed description

The purpose of this research study is to find out the effects (good and bad) of adding a dose of radiation to the area of the cancer during surgery to whole breast radiation therapy (WBRT) after surgery. IOERT is the application of electron radiation directly to the residual tumor or tumor bed during cancer surgery. WBRT is a type of radiation therapy used to treat patients who have cancer in the breast covering the entire breast tissue. Both immediate and long-term effects will be measured.

For patients with certain types of breast cancer, one standard treatment is removal of the area of cancer and a small amount of normal tissue around it followed by breast radiation. The radiation treatment in this situation usually lasts 3 to 5 1/2 weeks of WBRT followed by 5-8 daily radiation treatments at the site where the lump was removed called a "boost". During this study, the single dose of electron irradiation (IOERT) given at the surgical site during the operation will replace the usual 5-8 days of localized radiation and the whole breast radiation will last 3 weeks.

Being tested
Hypofractionated Whole Breast Radiation Therapy, Intraoperative Electron Radiation Therapy
Keywords
Breast cancer, Radiation therapy, Mobetron, IOERT, IORT, Hypofractionated radiation therapy, Partial breast radiation
Medical subject headings
Carcinoma, Ductal, Breast Neoplasms

What participants receive

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

  • Hypofractionated Whole Breast Radiation TherapyRadiation

    Hypofractionated Whole Breast Radiation Therapy must start within 14-56 days postoperatively (week 2-8 post-op)

    • Single reference dose per fraction: 2.7 Gy (ICRU)
    • Number of fractions: 15
    • Number of fractions per week: 5
    • Regular Radiation Therapy breaks: Weekend/ Holidays (not exceeding 7 days break)
    • Total dose: 50.5 Gy (40.5 WBRT + 10 Gy boost) Radiation: Intraoperative Electron Radiation Therapy
  • Intraoperative Electron Radiation TherapyRadiation

    Also called Mobetron

    Intraoperative Electron Radiation Therapy (IOERT) is delivered after completion of the lumpectomy and sentinel node procedure. IOERT is performed on mobile or fixed linac with variable electron energies in the range of 4-12 MeV

Study groups in NCT01295723
Study groupRoleWhat they receive
Intraoperative Electron Radiation TherapyExperimentalA single dose of electron irradiation given at the surgical site during the operation to remove the cancerous tumor will replace the usual 5-8 days of localized radiation. Hypofractionated Whole Breast Radiation Therapy must start within 14-56 days post operatively.
Receives: Radiation: Hypofractionated Whole Breast Radiation Therapy; Radiation: Intraoperative Electron Radiation Therapy

What is being measured

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

  1. Assessment of acute and late toxicity

    Assessment of acute toxicity of breast irradiation according to CTC-toxicity Scoring - systems:

    • At the end of Radiation Therapy
    • At time of first follow-up investigation (week 8 - 10)

    Assessment of late toxicity according to NSABP scoring - systems at 6, 12, 24, 36, 48, and 60 months

    Measured: 5 years

Secondary outcomes (3)
  1. Cosmetic Evaluation

    Assessment of cosmetic outcome according to 5-point scoring system

    • Before Whole Breast Radiation Therapy
    • Not earlier than 7 months after Whole Breast Radiation Therapy
    • At yearly follow-up (photodocumentation in standardized positions) for 5 years.

    Measured: 5 years

  2. Disease Free Survival

    Recurrence assessments as documented at post-op follow-ups per protcol.

    Measured: 5 years

  3. Overall Survival

    The length of time from the start of treatment to death within the 5 year period.

    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 posted14 Feb 2011 (estimated)
  2. Study startJan 2011
  3. Primary completionDec 2021
  4. Study completionDec 2022 (estimated)

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 N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01295723
Sponsor's protocol ID
11-003 Mobetron
Status last verified
May 2022
First submitted
11 Feb 2011
Last updated
11 May 2022
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Hypofractionated Whole Breast Radiation Therapy and Intraoperative Electron Radiation Therapy in people with Invasive Lobular and Ductal Carcinoma, run by St. Joseph Hospital of Orange at 1 site in United States.

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 9 inclusion and 10 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: status not confirmed, as of the sponsor's last update on 11 May 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

Are results available for this study?

Results are not available in the source record.

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?

Assessment of acute and late toxicity (time frame: 5 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 May 2022.

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