January 18, 2022 Breast

Protocol: AFT-25

Please Note: Below is a partial list of eligibility, please contact GHCI Research Department at (810)762-8181, (810)762-8079 or (810)762-89038 to discuss full eligibility requirements.



  1. Diagnosis of unilateral, bilateral, unifocal, multifocal, multicentric DCIS without invasive breast cancer (date of diagnosis defined as the date of the first pathology report that diagnosed the patient with DCIS) or atypia verging on DCIA or DCIS = LCIS (mix and/or separate locations in the same breast)
  2. A patient who had had a lumpectomy or partial mastectomy with margins positive for DCIS (i.e. <2mm/ink on tumor) as part of their treatment for a current DCIS diagnosis is also eligible (post-excision bilateral mammogram required at enrollment to establish a new baseline)
  3. No previous DCIS or invasive breast cancer in ipsilateral breast 5 years prior to current DCIS diagnosis.
  4. 40 years of age or older at the time of diagnosis.
  5. ECOG Performance Status 0-1.
  6. Diagnosis of DCIS confirmed on core needle biopsy, vacuum assisted or surgery < 120 days of registration.

January 18, 2022 Breast

Protocol: Alliance – A011801

Please Note: Below is a partial list of eligibility, please contact GHCI Research Department at (810)762-8181, (810)762-8079, (810)762-8038 to discuss full eligibility requirements.

SCHEMA  A011801


  1. HER2-positive breast cancer, will be based on pre-treatment biopsy material and defined as an immunohistochemistry (IHC) score of 3+ and/or positive by in situ hybridization (ISH) according to current ASCO/CAP guidelines.  Central testing is not required.
  2. Known hormone receptor (HR) status as defined by ASCO/CAP guidelines (based on pre-treatment biopsy material). Hormone receptor positive status can be determined by either known positive ER or known positive PR status; hormone receptor negative status must be determined by both known negative ER and known negative PR.
  3. Patients with clinical Stage T1-4, N0-3 disease at presentation and residual invasive disease post-operatively as defined about are eligible. (Note: Patients with T1a/bN0 tumors at initial breast cancer diagnosis are not eligible).
  4. Patients with residual HR-negative, HER2+ disease in the breast and/or lymph n odes per the surgical pathology report are eligible; however, patients with HR+ HER2+ cancers must have node-positive residual disease per the surgical pathology report in order to qualify for the study. The presence of residual invasive disease in the breast is not mandatory for these patients.
  5. Patients with weakly ER-positive (1-10%) breast cancer (based on the pre-treatment core biopsy) are eligible even if they have node negative disease per the surgical pathology report.
  6. The residual disease tissue (breast and/or lymph nodes) is not required to be HER2+, as eligibility for this study it is based on a positive HER2 status at the time of the initial breast cancer diagnosis.  Note: The presence of micrometastases in lymph  nodes after pre-operative therapy counts as residual disease, whereas the presence of isolated tumor cells does not.
  7. Patients with synchronous bilateral invasive disease are eligible provided both lesions were confirmed to be HER2+ and at least one of the lesions meets the criteria outlined above.  Multifocal disease is allowed, as long as the largest biopsied breast tumor was HER2+.
  8. Patients must have received neo-adjuvant chemotherapy with one of the following regimens: THP, TMP, AC-TH(P), TCH(P), FAC-TH(P), or FEC-TH(P).  Note: Apart from TCHP, where T is docetaxel, treatment with docetaxel or paclitaxel is acceptable.
  9. Prior receipt of T-DM1 in the neo-adjuvant setting is not allowed.
  10. Prior treatment must have consisted of equal to or greater than 6 cycles of chemotherapy and HER2- directed therapy, with a total duration of equal to or greater than 12 weeks, including at least 9 weeks of pre-operative taxane and trastuzuamb with or without pertuzumab (or FDA approved biosimilars). Patients who have received at least 9 weeks of pre-operative taxane, pertuzumab and margetuximab are also eligible if they received equal to or greater than 6 cycles of systemic therapy prior to registration. Note: Patients who complete at least nine of a planned twelve doses of weekly paclitaxel or three of a planned four doses of docetaxel but discontinue prematurely due to toxicity are eligible. Prior use of nab-paclitaxel (Abraxane) instead of paclitaxel or docetaxel is permitted. Prior use of subcutaneous trastuzumab (Hylecta) and subcutaneous trastuzumab and pertuzumab (Phesgo) is also allowed.
  11. Patients who received neo-adjuvant systemic therapy which included experimental HER2- targeted therapy/therapies are potentially eligible, as long as the investigational agent was not a HER2-targeted antibody drug conjugate (e.g. T-DM1 or trastuzumab deruxtecan) or a HER2 targeted tyrosine kinase inhibitor (e.g. tucatinib, lapatinib, neratinib).
  12. No adjuvant treatment with any anti-cancer investigational drug within 28 days prior to registration.
  13. Patients may have received equal to or greater than 1 cycle of T-DM1 in the adjuvant setting.  Note: These patients will be randomized to receive a further 14 cycles of T-DM1 and tucatinib/placebo as tolerated. The most recent cycle of T-DM1 should have been administered equal to or greater than 5 weeks prior to registration.
  14. All systemic chemotherapy should have been completed pre-operatively unless participating in EA1181 (CompassHER@ pCR) or the BIG DECRESCENDO Trial. However, patients who received 4 cycles of neo-adjuvant THP off study can receive a further 2-4 cycles of chemotherapy post-operatively to meet eligibility for A011801/
  15. Toxicities related to prior systemic treatment should have resolved or be at baseline, apart from alopecia and peripheral neuropathy less than or equal to 1.
  16. Adequate excision: surgical removal of all clinically evident disease in the breast and lymph nodes.
  17. Breast Surgery: Total mastectomy with no gross residual disease at the margin of resection or breast conserving surgery with histologically negative margins of excision. For patients who undergo breast conserving surgery, the margins of the resected specimen must be histologically free of invasive tumor and ductal carcinoma in situ (DCIS) as determined by the local pathologist.  If pathologic examination demonstrates tumor at the line of resection, additional operative procedures may be performed to obtain clear margins. If tumor is still present at the resected margin after re-excision the patient must undergo total mastectomy to be eligible. Patients with margins positive for classic lobular carcinoma in situ (LCIS) are eligible without additional resection.
  18. Lymph node surgery: The axilla needs to be evaluated with either sentinel node biopsy or axillary lymph node dissection. If patients have a sentinel lymph node biopsy and sentinel nodes are negative, no further axillary treatment is necessary.  If patients have isolated tumor cells in the sitting of residual breast disease, at least one of the following is required: ALND or planned nodal irradiation to the level I/II axilla. If patients have micro- or macro-metastatic nodal disease, ALND and planned nodal irradiation are required. Of note, co-enrollment on Alliance A011202 is not allowed.

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