NCI Community Oncology Research Program - Kansas City (NCORP-KC)
NCI Community Oncology Research Program - Kansas City (NCORP-KC)




NCI Community Oncology Research Program - Protocol Summary

SWOG S1418 - "Randomized, Phase III Trial to Evaluate the Efficacy and Safety of MK-3475 as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer with > 1 cm Residual Invasive Cancer or Positive Lymph Nodes (ypN+) After Neoadjuvant Chemotherapy"

The summary below serves as a brief review of the treatment plan and eligibility for the protocol.


This summary is not intended to be used in place of the full eligibility & treatment information in the protocol.
 

Please contact NCORP-KC for complete protocol information.



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Breast Clinical Trial

CANCER TYPE: Stage I
RESEARCH BASE: SWOG
NCT NUMBER: NCT02954874
HIPPA FORM: DOWNLOAD HIPPA FORM

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BRIEF DESCRIPTION

TNBC, > 1cm residual invasive breast cancer, or any + LN after neoadjuvant chemotherapy, followed by surgery, PD-L1 evaluation, MK-3475 (pembrolizumab) vs observation.  DCP-001 Eligible



NOTES


Treatment    (Supplied drug:  MK-3475 (pembrolizumab))

Arm1:

Observation

Arm2:

MK-3475 200mg IV, days 1 and 22, Q 42 days for 52 weeks

 

Cycle = 42 days



ELIGIBILITY

Step 1

  • Patients must have histologically confirmed ER-, PR- and HER2-negative (triple-negative, TNBC) with residual invasive breast cancer, as defined by the 2010 and 2013 ASCO CAP guidelines, after completion of neoadjuvant chemotherapy. Residual disease must be ≥ 1 cm in greatest dimension, and/or have positive lymph nodes (ypN+) observed on pathologic exam.
  • Patients must not have metastatic disease (i.e., must be M0).
  • It is preferred that axillary lymph node sampling is performed after completion of neoadjuvant chemotherapy to allow more accurate assessment of pathologic response. Patients must have a complete axillary lymph node dissection after neoadjuvant chemotherapy in the following situations (exceptions will be granted for patients participating in the Alliance A11202 trial):
    • Patients had documented pathologic involvement of the axillary nodes (FNA or core biopsy) before neoadjuvant chemotherapy and had sentinel node biopsy after neoadjuvant chemotherapy with positive sentinel node(s).
    • Patient had documented pathologic involvement of the axillary nodes (FNA or core biopsy) before neoadjuvant chemotherapy and had only 1 sentinel lymph node removed after neoadjuvant chemotherapy.
    • NOTE: Patients who undergo sentinel node biopsy before starting neoadjuvant treatment and do not undergo post neoadjuvant assessment of the axillary nodes or who have negative axillary nodes on post neoadjuvant assessment must have ≥ 1 cm residual invasive cancer in the breast after completion of neoadjuvant chemotherapy.
  • Patients must have a minimum of five, available unstained slides from the residual (post-neoadjuvant) invasive tumor in primary site or lymph node to be submitted within 7 days after registration to determine PD-L1 expression as described in Section 15.1. The tumor tissue must be adequate for PD-L1 testing, which typically requires a minimum of 100 cancer cells per slide.
  • Patients must be offered the opportunity to participate in specimen banking as outlined in Section 15.4.
  • Patients must have had neoadjuvant chemotherapy followed by surgery. The recommended neoadjuvant treatment should include 16-24 weeks of a third generation chemotherapy regimen as recommended by NCCN guidelines for triple negative breast cancer (examples include dose dense AC followed by dose-dense paclitaxel; weekly paclitaxel x 12 followed or preceded by FAC, FEC, AC or dose dense AC; docetaxel either followed or preceded by FEC/FAC or AC. Carboplatin-containing neoadjuvant chemotherapy is also allowed). Patients who cannot complete all planned treatment cycles for any reason are considered high risk and therefore are eligible for the study if they have residual disease. Patients must have resolution of adverse event(s) of the most recent prior chemotherapy to Grade 1 or less, except alopecia and ≤ Grade 2 neuropathy which are allowed.
  • Patients may receive post-operative (adjuvant) chemotherapy for up to 24 weeks of duration (e.g. 8 cycles of capecitabine as in the CREATE-X trial) after completion of surgery at the discretion of the treating physician. Patients must have resolution of adverse event(s) of the most recent prior chemotherapy to Grade 1 or less, except alopecia and ≤ Grade 2 neuropathy which are allowed. Adjuvant chemotherapy, if administered, must have been completed within 35 days prior to screening registration and must be given prior to radiation.
  • Patients must have completed their final breast surgery (rendering them free from disease) with clear resection margins for invasive cancer and DCIS within 90 days prior to screening registration for patients not receiving post-operative (adjuvant) chemotherapy, or within 210 days prior to screening registration for patients who have completed post-operative (adjuvant) chemotherapy. Positive margins are allowed only if the surgical team of the patient deems further resection impossible.
  • Patients for whom radiation therapy (RT) to the affected breast or chest wall and regional nodal areas is clinically indicated as per NCCN treatment guidelines, should receive RT after randomization when possible, concomitant with MK-3475 (pembrolizumab) if randomized to the experimental arm. However, RT administered prior to registration is also allowed. Patients must specify at the time of screening registration whether or not they will receive RT and the extent of intended RT.
  • Patients must not have had prior immunotherapy with anti-PD-L1, anti-PD-1, anti-CTLA4 or similar drugs. Patients must not be planning to receive any of the prohibited therapies listed in Section 7.3 during the screening or treatment phases of the study.
  • Patients must not be planning to receive concomitantly other biologic therapy, hormonal therapy, other chemotherapy, surgery or other anti-cancer therapy except radiation therapy while receiving treatment on this protocol.
  • Patients must be women or men ≥ 18 years of age.
  • Patients must have Zubrod Performance Status ≤ 2.
  • Patients must not have a history of (non-infectious) pneumonitis that required steroids or evidence of active pneumonitis.
  • Patients must not have an active infection requiring systemic therapy.
  • Patients must not have active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
  • Patients must not have received live vaccines within 30 days prior to registration. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, chicken pox, shingles, yellow fever, rabies, BCG, and typhoid (oral) vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., Flu-Mist®) are live attenuated vaccines, and are not allowed.
  • Patients must not have known active Hepatitis B Virus (HBV) or Hepatitis C Virus (HCV) infection prior to registration. Patients who have completed curative therapy for HCV are eligible. Patients with known HIV infection are eligible if they meet each of the following 3 criteria:
    • CD4 counts ≥ 350 mm3
    • Serum HIV viral load of < 25,000 IU/ml and
    • Treated on a stable antiretroviral regimen.
  • No other prior invasive malignancy is allowed except for the following: adequately treated basal (or squamous cell) skin cancer, in situ breast or cervical cancer. Stage I or II invasive cancer treated with a curative intent without evidence of disease recurrence for at least five years.





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