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Research & Trial Information

SCHEMA A011202

Protocol#: Alliance – A011202

Cancer Type: Breast Positive Sentinel Lymph Node Disease After Neo-Adjuvant Treatment.

 

Pre-registration eligibility criteria

  1. Patients > 18 years of age.
  2. Clinical stage T1-3 N1 M0 breast cancer at diagnosis (prior to the start of neoadjuvant chemotherapy).
  3. No inflammatory breast cancer.
  4. No other malignancy within 5 years of registration with the exception of basal cell or squamous cell carcinoma of the skin treated with local resection only or carcinoma in situ of the cervix.
  5. All patients must have had an axillary ultrasound with FNA or core needle biopsy of axillary lymph nodes documenting axillary metastasis at the time of diagnosis, prior to or at most 14 days after starting neoadjuvant chemotherapy.Note: Biopsy of intramammary nodes does not fulfill eligibility criteria.
  6. Patients must have had estrogen receptor, progesterone receptor and HER2 status (by IHC and/or ISH) evaluated on diagnostic core biopsy prior to start of neoadjuvant chemotherapy.Note: If HER2 status has not been clearly determined (i.e. equivocal/indeterminate), then patients should not be enrolled.
  7. Patients must have completed all chemotherapy prior to surgery. Sandwich chemotherapy is not allowed (i.e. chemotherapy planned to be given after surgery). Patients must have completed at least 4 cycles of neoadjuvant chemotherapy consisting of an anthracycline and/or taxane-based regimen without evidence of disease progression in the breast or the lymph nodes.Note: Delays/dose modifications due to toxicities/adverse events are allowed as long as a minimum of 4 cycles of neoadjuvant chemotherapy is administered. More than 4 cycles of NAC may be administered at the discretion of the treating medical oncologist.
  8. Patients with HER-2 positive tumors must have received neoadjuvant trastuzumab, or trastuzumab + pertuzumab, or other approved anti-HER-2 therapy (either with all or with a portion of the neoadjuvant chemotherapy regimen). Therapy must be FDA-approved targeted anti-HER2 therapy, but additional therapies are allowed as are non-trastuzumab regimens if administered in the context of an IRB-approved clinical trial.
  9. All patients must have a clinically negative axilla (no bulky adenopathy) on physical examination documented at the completion of neoadjuvant chemotherapy.Note: An ultrasound of the axilla is not required at completion of neoadjuvant chemotherapy. If performed, its findings do NOT impact eligibility.
  10. No more than 8 weeks of neoadjuvant endocrine therapy prior to the start of neoadjuvant chemotherapy.
  11. No neoadjuvant radiation therapy.
  12. No SLN surgery/excisional biopsy for pathological confirmation of axillary status prior to or during neoadjuvant chemotherapy.
  13. No prior history of ipsilateral breast cancer (invasive disease or DCIS). LCIS and benign breast disease is allowed.
  14. No prior ipsilateral axillary surgery, such as excisional biopsy of lymph node(s) or treatment of hidradenitis.
  15. No history of prior or concurrent contralateral invasive breast cancer. Benign breast disease, LCIS or DCIS of contralateral breast is allowed.
  16. ECOG (Zubrod) Performance Status 0-1.

Intra-operative registration/randomization criteria

  1. Breast surgery (lumpectomy or mastectomy) and sentinel lymph node surgery must be completed within 56 days of the completion of the last dose of neoadjuvant chemotherapy.
  2. A minimum of 1 sentinel node and a maximum of 6 total nodes (sentinel + non-sentinel) are identified and excised by the surgeon.Patients who do not have an identifiable sentinel lymph node will not proceed to Registration/Randomization.
  3. At least one lymph node (sentinel or non-sentinel) with a metastasis greater than 0.2 mm in greatest dimension identified on intra-operative pathologic assessment.
  4. Isolated tumor cells (metastases less than or equal to 0.2 mm) will be treated as node negative disease (N0i+).Note: If on final pathology, more than 8 lymph nodes are seen pathologically, then the patient should discontinue study. ALND is not to be performed prior to Registration/Randomization.

Post-operative registration/randomization criteria

For cases where ALND has not been performed and one of the following is true: 1) intra-operative evaluation of sentinel lymph node could not be/was not performed and final pathology identified a positive lymph node (sentinel or non-sentinel) with metastasis greater than 0.2 mm. OR 2) lymph node (sentinel or non-sentinel) considered negative on intra-operative evaluation was found to be positive on final pathology (with metastasis greater than 0.2 mm).

  1. Breast surgery (lumpectomy or mastectomy) and sentinel lymph node surgery must be completed within 56 days of the completion of the last dose of neoadjuvant chemotherapy. Negative margin (by either breast conservation or mastectomy) on final pathology where negative margin is defined as no tumor on ink.
  2. At least one lymph node (sentinel or non-sentinel) with a metastasis greater than 0.2 mm in greatest dimension identified on final pathology (for cases where intra-operative evaluation was not performed, or was negative and completion dissection was not performed).
  3. Among the minimum of 1 and the maximum of 6 nodes (sentinel + non-sentinel) identified and excised by the surgeon, no more than 8 lymph nodes (sentinel and non-sentinel) were found by the pathologists to have been actually excised.Note: Isolated tumor cells (metastases less than or equal to 0.2 mm) will be treated as node negative disease (N0i+).For those patients who also undergo contralateral breast surgery, if invasive disease is found in the contralateral breast, the patient is not eligible for registration /randomization.

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Flint, MI 48503

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