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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03553797
Other study ID # RTOG 1005
Secondary ID
Status Active, not recruiting
Phase Phase 3
First received
Last updated
Start date May 2011
Est. completion date February 2019

Study information

Verified date May 2018
Source National Cancer Center, Korea
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A Phase III trial of accelerated whole breast irradiation with hypofractionation plus concurrent boost versus standard whole breast irradiation plus sequential boost for early-stage breast cancer.


Description:

Prospective randomized trials have established the principle that hypofractionation may be used for whole breast radiation with acceptable toxicity and equal local control as conventional 50 Gy/ 2 Gy fractionation. However, numerous questions remain to be answered before hypofractionation is accepted for use widely in the United States.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 2312
Est. completion date February 2019
Est. primary completion date February 2019
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Pathologically proven diagnosis of breast cancer resected by lumpectomy and whole breast irradiation with boost without regional nodal irradiation planned

- The patient must be female

- The patient must meet at least one of the three following criteria:

A. pStage I, II Breast Cancer AND at least one of the following:

- Age < 50 years or

- Positive axillary nodes or

- Lymphovascular space invasion or

- 2 or more close resection margins (> 0 mm to = 2 mm) or

- 1 close resection margin and extensive intraductal component (EIC) [Per College of American Pathologist (CAP) Recommendation] or

- Focally positive resection margins or

- Non-hormone sensitive breast cancer (ER and PR-negative) or

- Grade III histology or

- Oncotype recurrence score > 25 or B. pStage 0 breast cancer with nuclear grade 3 DCIS and patient age <50 years or C. ypStage 0, I, II breast cancer resected by lumpectomy after neoadjuvant systemic therapy

- Study entry must be within 50 days from whichever comes later: last surgery (breast or axilla) or last chemotherapy NOTE: The day of surgery is Day "0"

- If multifocal breast cancer, then it must have been resected through a single lumpectomy incision with negative margins

- Breast-conserving surgery with margins defined as follows:

- Negative margins defined as no tumor at the resected specimen edge.

- Close resection margins > 0 mm to = 2 mm. as follows:

- One close resection margin and EIC (per College of American Pathologist (CAP) Recommendation)

- 2 or more close resection margins.

- A focally positive resection margin

* For invasive breast cancer the axilla must be staged by one of the following:

- Sentinel node biopsy alone (if sentinel node is negative, pN0, pN0(IHC-,+));

- Sentinel node biopsy alone, OR followed by axillary node dissection per investigator discretion, for clinically node negative patients as described below:

- microscopic sentinel node positive (pN1mic)

- one or two sentinel nodes positive (pN1) without extracapsular extension

- negative sentinel node biopsy after neoadjuvant chemotherapy

- Axillary node dissection is required following sentinel node biopsy with a minimum total of 6 axillary nodes if any of the following exist:

- for > 2 positive SN

- any positive SN biopsy after neoadjuvant chemotherapy

- for clinically (by either imaging or examination) T3 disease

- for extracapsular extension

- Axillary dissection alone (with a minimum of 6 axillary nodes)

- Age = 18

- CT-imaging of the ipsilateral breast within 28 days prior to study entry for the radiation treatment planning. Must be able to delineate on CT scan the extent of the target lumpectomy cavity for boost

- Appropriate stage for protocol entry, including no clinical evidence for distant metastases, based upon the following minimum diagnostic workup:

- History/physical examination, including breast exam (inspection and palpation ofthe breasts) and documentation of weight and Zubrod Performance Status of 0-2 within 28 days prior to study entry;

- Right and left mammography within 90 days of diagnostic biopsy stablishing diagnosis

- Patients must have had ER analysis performed on the primary breast tumor prior to study entry according to current ASCO/CAP Guideline Recommendations for hormone receptor testing. If negative for ER, assessment of PgR must also be performed according to current ASCO/CAP Guideline Recommendations for hormone receptor testing)

- CBC/differential obtained within 14 days prior to study entry, with adequate bone marrow function defined as follows:

- Absolute neutrophil count (ANC) = 1,800 cells/mm3

- Platelets = 75,000 cells/mm3

- Hemoglobin = 8.0 g/dl (Note: The use of transfusion or other intervention to achieve Hgb = 8.0 g/dl is acceptable.)

- Women of childbearing potential must have a negative urine or serum pregnancy test within 14 days of study entry

- Women of childbearing potential must be non-pregnant and non-lactating and willing to use medically acceptable form of contraception during radiation therapy

- Patient must provide study specific informed consent prior to study entry

- Breast implants allowed

Exclusion Criteria:

- AJCC pathologic T4, N2 or N3, M1 pathologic stages III or IV breast cancer

- Treatment plan that includes regional node irradiation

- Prior invasive non-breast malignancy (except non-melanomatous skin cancer, carcinoma in situ of the cervix) unless disease free for a minimum of 5 years prior to study entry

- Prior invasive or in-situ carcinoma of the breast (-prior LCIS is eligible)

- Two or more breast cancers not resectable through a single lumpectomy incision

- Bilateral breast cancer

- DCIS only (without an invasive component) and age = 50 years

- DCIS nuclear grade 1 or 2 only (without an invasive component) and age < 50 years

- Invasive breast cancer and low risk for 5-year in breast recurrence after lumpectomy with negative margins that does not meet one of the eligibility factors in

- Unable to delineate on CT scan the extent of the target lumpectomy cavity for boost (Placement of surgical clips to assist in treatment planning of the boost is strongly recommended, see Section 6.4.2 for details)

- Suspicious unresected microcalcification, densities, or palpable abnormalities (in the ipsilateral or contralateral breast) unless biopsied and found to be benign

- Non-epithelial breast malignancies such as sarcoma or lymphoma

- Paget's disease of the nipple

- Male breast cancer

- Prior radiotherapy to the breast or prior radiation to the region of the ipsilateral breast that would result in overlap of radiation therapy fields

- Intention to administer concurrent chemotherapy for current breast cancer.

- Severe, active co-morbidity, defined as follows:

- Unstable angina and/or congestive heart failure requiring hospitalization within the last 6 months

- Transmural myocardial infarction within the last 6 months

- Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration;

- Chronic Obstructive Pulmonary Disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy within 30 days before registration;

- Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects; note, however, that laboratory tests for liver function and coagulation parameters are not required for entry into this protocol

- Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC definition; note, however, that HIV testing is not required for entry into this protocol. The need to exclude patients with AIDS from this protocol is necessary because the treatments involved in this protocol may be significantly immunosuppressive

- Pregnancy or women of childbearing potential who are sexually active and not willing/able to use medically acceptable forms of contraception

- Active systemic lupus, erythematosus, or any history of scleroderma, dermatomyositis with active rash

- Medical, psychiatric or other condition that would prevent the patient from receiving the protocol therapy or providing informed consent

Study Design


Related Conditions & MeSH terms


Intervention

Radiation:
Radiation


Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
National Cancer Center, Korea Radiation Therapy Oncology Group

Outcome

Type Measure Description Time frame Safety issue
Primary local reccurance to assess of Mammography Mammography up to 10years from a initial follow-up up to 10years
Secondary overall survival failure : death due to any cause up to 10years from a initial follow-up
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