BrUOG 291: Five Fraction Partial Breast Irradiation Using Non-invasive Image-guided Breast Brachytherapy (NIBB)



Status:Active, not recruiting
Conditions:Breast Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:50 - Any
Updated:12/7/2018
Start Date:July 2014
End Date:May 2020

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BrUOG 291: FIVE FRACTION PARTIAL BREAST IRRADIATION USING NON-INVASIVE IMAGE-GUIDED BREAST BRACHYTHERAPY (NIBB)

To evaluate safety of 5 fraction accelerated partial brest irradiation in more convenient 5
fraction schedule.

The purpose of this study is to evaluate the rate of early and intermediate toxicity related
to accelerated partial breast irradiation (APBI) delivered in a more convenient 5 fraction
schedule using non-invasive image-guided breast brachytherapy (NIBB) (AccuBoost System) in
women with resected, early stage breast cancer.

Non-invasive image-guided breast brachytherapy (NIBB), using advanced image-guided radiation
technology, has the potential to eliminate the disadvantages of the conventional APBI
techniques. NIBB facilitates non-invasive partial breast irradiation without the use of
catheters or implants. Yet by using breast immobilization and precise image-guidance, it
reduces non-target breast tissue within the irradiated field compared with other non-invasive
APBI techniques such as 3D-CRT. This has made NIBB an attractive approach to deliver APBI.

We hypothesize that NIBB delivered in 5 treatments will be a more convenient, safe and
effective modality to deliver partial breast irradiation.

Anticipated advantages of NIBB protocol treatment include:

- Convenient treatment schedule

- Short course can allow for increased patient access to treatment

- Non-invasive approach

- Increased accuracy with precise targeting of lumpectomy cavity using advanced imaging

- Reduced irradiation of non-target breast tissue

- Reduced skin toxicity

- No heart or lung radiation exposure

- Reduced late skin or breast toxicity

- High rate of good or excellent cosmetic outcome

- High rate of ipsilateral breast tumor control comparable to other APBI techniques

Inclusion Criteria:

1. A confirmed histological diagnosis of invasive breast carcinoma or DCIS;

2. Age greater or equal to 50 years old;

3. Life expectancy > 6 months;

4. Treated by breast conserving surgery

5. Pathologic lymph node negative, which includes (pN0 i-, i+);

Patients, who are at very low risk for sentinel node involvement and sentinel node
biopsy is not performed, are eligible if the treating investigator documents
clinically lymph node negative (cN0). These patients include:

- DCIS

- Microinvasion only

- Pure tubular or mucinous histology

- Patients ≥ 70yo with T1a-T1c; estrogen receptor +

6. Pathologic tumor size

1. less than or equal to 2 cm for invasive disease;

2. less than or equal to 3 cm for DCIS;

7. Estrogen receptor positive if invasive disease (DCIS can be ER negative)

8. Negative surgical margins greater than or equal to 2 mm. A margin of <2mm is
acceptable if at natural boundary, i.e. skin or pectoralis fascia.

9. No lymphovascular invasion;

10. ECOG performance status of 0-2 (Appendix 1);

11. Informed consent signed.

Exclusion Criteria:

1. Known BRCA 1/2 Mutation; (BRCA 1 and 2 testing is not required)

2. Active lupus or scleraderma;

3. Pregnancy;

4. Psychiatric or addictive disorder that would preclude attending follow-up;

5. Neoadjuvant chemotherapy (adjuvant chemotherapy is permitted);

6. Suspicious remaining microcalcification on post-surgery mammogram (unless biopsy
proven benign);

7. pN+ on axillary dissection or in the sentinel lymph node biopsy (N0i+ are considered
node negative and are not excluded);

8. Multicentric disease;

9. Paget's disease of the nipple;

10. Breast Implants

11. Distant metastases;

12. Lumpectomy cavity not well visualized on AccuBoost imaging;

13. Lumpectomy cavity with 1cm margin (CTV/PTV) not adequately encompassed by any
available applicator.

14. Breast separation with compression > 8cm at time of simulation.
We found this trial at
3
sites
Lakeland, Florida 33805
Principal Investigator: Sandra Sha, MD
Phone: 401-863-3000
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593 Eddy Street
Providence, Rhode Island 02903
401-444-4000
Principal Investigator: Jaroslaw Hepel, MD
Phone: 401-863-3000
Rhode Island Hospital Founded in 1863, Rhode Island Hospital in Providence, RI, is a private,...
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La Jolla, California 92093
Principal Investigator: Catherine Yashar, MD
Phone: 401-863-3000
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La Jolla, CA
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