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Pembrolizumab, IRX-2, and Chemotherapy in Triple Negative Breast Cancer

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ClinicalTrials.gov Identifier: NCT04373031
Recruitment Status : Recruiting
First Posted : May 4, 2020
Last Update Posted : February 2, 2021
Sponsor:
Collaborators:
Merck Sharp & Dohme Corp.
Brooklyn ImmunoTherapeutics, LLC
Information provided by (Responsible Party):
Providence Health & Services

Brief Summary:
This is a Phase II, randomized, open-label trial to evaluate the clinical and immunologic activity of pembrolizumab plus chemotherapy when combined with various immunotherapy induction regimens as neoadjuvant therapy for triple negative breast cancer (TNBC).

Condition or disease Intervention/treatment Phase
Breast Cancer Breast Neoplasms Drug: Pembrolizumab Drug: IRX 2 Phase 2

Detailed Description:

This is a Phase II, randomized, open-label trial to evaluate the clinical and immunologic activity of pembrolizumab plus chemotherapy when combined with various immunotherapy induction regimens as neoadjuvant therapy for triple negative breast cancer (TNBC).

A commonly used standard neoadjuvant regimen for TNBC is a weekly taxane (e.g., paclitaxel 80mg/m2) for 12 weeks followed by an anthracycline (e.g., doxorubicin 60 mg/m2 plus cyclophosphamide at 600 mg/m2 [AC]) every 3 weeks (Q3W) for 4 cycles.

The chemotherapy regimen included in this study is built upon the aforementioned regimen. Pembrolizumab in combination with this regimen will be studied as part of a multi-arm study that randomizes subjects to receive:

  • Control Arm: (Pembro + ACT): Pembrolizumab induction (single-dose 200mg IV), followed by pembrolizumab Q3W + paclitaxel (T) weekly x 4 cycles, followed by pembrolizumab + doxorubicin + cyclophosphamide (AC) Q3W x 4 cycles as neoadjuvant therapy prior to surgery.
  • Arm A: (Pembro + IRX-2 + ACT): Pembrolizumab (single-dose 200mg IV) + cyclophosphamide (single-dose 300 mg/m2 IV) + IRX-2 induction (1mL SQ x 2 daily, x 10 days), followed by pembrolizumab Q3W + paclitaxel (T) weekly x 4 cycles, followed by IRX-2 re-induction (1mL SQ x 2 daily, x 10 days), followed by pembrolizumab + doxorubicin + cyclophosphamide (AC) Q3W x 4 cycles as neoadjuvant therapy prior to surgery.
  • Subsequent induction therapy arms are to be included in protocol amendments. Note: 1 cycle = 21 days

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 30 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Induction Immunotherapy to Promote Immunologic Priming and Enhanced Response to Neoadjuvant Pembrolizumab + Chemotherapy in Triple Negative Breast Cancer (TNBC)
Actual Study Start Date : December 30, 2020
Estimated Primary Completion Date : June 2024
Estimated Study Completion Date : June 2025

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Arm Intervention/treatment
Experimental: Control
Control Arm: (Pembro + ACT): Pembrolizumab induction (single-dose 200mg IV), followed by pembrolizumab Q3W + paclitaxel (T) weekly x 4 cycles, followed by pembrolizumab + doxorubicin + cyclophosphamide (AC) Q3W x 4 cycles as neoadjuvant therapy prior to surgery.
Drug: Pembrolizumab
Pembrolizumab is a humanized anti-PD-1 mAb of the IgG4/kappa isotype with a stabilizing S228P sequence alteration in the Fc region.
Other Name: KEYTRUDA

Experimental: Arm A
• Arm A: (Pembro + IRX-2 + ACT): Pembrolizumab (single-dose 200mg IV) + cyclophosphamide (single-dose 300 mg/m2 IV) + IRX-2 induction (1mL SQ x 2 daily, x 10 days), followed by pembrolizumab Q3W + paclitaxel (T) weekly x 4 cycles, followed by IRX-2 re-induction (1mL SQ x 2 daily, x 10 days), followed by pembrolizumab + doxorubicin + cyclophosphamide (AC) Q3W x 4 cycles as neoadjuvant therapy prior to surgery.
Drug: Pembrolizumab
Pembrolizumab is a humanized anti-PD-1 mAb of the IgG4/kappa isotype with a stabilizing S228P sequence alteration in the Fc region.
Other Name: KEYTRUDA

Drug: IRX 2
IRX-2, is a cell-derived biologic with multiple active cytokine components that acts on multiple cell types of the immune system including T cells, dendritic cells and natural killer cells.




Primary Outcome Measures :
  1. Pathological Complete Response (pCR) Rate (ypT0/Tis ypN0) [ Time Frame: Following definitive surgery, approximately 9 months. ]
    pCR rate (ypT0/Tis ypN0) is defined as the proportion of subjects without residual invasive cancer on hematoxylin and eosin evaluation of the complete resected breast specimen and all sampled regional lymph nodes following completion of neoadjuvant systemic therapy per the current AJCC staging criteria assessed by the local pathologist at the time of definitive surgery.


Secondary Outcome Measures :
  1. Safety and Tolerability Profile as assessed by CTCAE v5.0 [ Time Frame: Cycle 1, Day 1 through safety follow-up visit, approximately 9 months. ]
  2. Safety and Tolerability Profile as assessed by tumor infiltrating lymphocytes [ Time Frame: Following definitive surgery, approximately 9 months. ]
    Tumor infiltrating lymphocytes will be assessed by the San Antonio stromal TIL criteria. (Salgado 2015). Scores will be reported as an average of two blinded pathologist reads.



Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Be willing and able to provide written informed consent for the trial. The subject may also provide consent for Future Biomedical Research. However, the subject may participate in the main trial without participating in Future Biomedical Research.
  2. Be a male or female subject greater than or equal to 18 years of age on day of signing informed consent.
  3. Have locally confirmed TNBC, as defined by the most recent ASCO/CAP guidelines.
  4. Have previously untreated locally advanced non-metastatic (M0) TNBC defined as the following combined primary tumor (T) and regional lymph node (N) staging per the current AJCC Version 8 staging criteria for breast cancer staging criteria as assessed by the investigator based on radiological and/or clinical assessment:

    • T1c, N1-N2
    • T2, N0-N2
    • T3, N0-N2
    • T4a-d, N0-N2 Note: bilateral tumors (i.e., synchronous cancers in both breasts) and/or multi-focal (i.e., 2, separate lesions in the same quadrant)/multi-centric (i.e., 2 separate lesions in different quadrants) tumors are allowed, as well as inflammatory breast cancer, and the tumor with the most advanced T stage should be used to assess the eligibility.
  5. Provide a core needle biopsy consisting of at least 1 separate tumor-bearing cores from the primary tumor at screening for translational research (archival is acceptable if sufficient tumor is available; slides are acceptable if at least 15 are available)
  6. Have Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 assessed within 14 days of treatment initiation.
  7. Demonstrate adequate organ function. All screening labs should be performed within 14 days of treatment initiation.
  8. Have left ventricular ejection fraction (LVEF) of ≥50% or ≥ institution lower limit of normal (LLN) as assessed by echocardiogram (ECHO) or multigated acquisition (MUGA) scan performed at screening.
  9. Males and female subjects of childbearing potential (Section 5.7.2 - Contraception) must be willing to use an adequate method of contraception as outlined in Section 5.7.2 - Contraception, for the course of the study through 12 months after the last dose of study medication for subjects who have received cyclophosphamide, and 6 months after the last dose of study medication for subjects who did not.

    Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.

  10. (Female subject of childbearing potential) Have a negative urine or serum pregnancy test within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or borderline a serum pregnancy test will be required.

Exclusion Criteria:

  1. Has a history of invasive malignancy ≤5 years prior to signing informed consent except for adequately treated basal cell or squamous cell skin cancer or in situ cervical cancer.
  2. Has received prior chemotherapy, targeted therapy, and radiation therapy within the past 12 months.
  3. Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another co-inhibitory T-cell receptor (e.g., CTLA-4, OX 40, CD137) or has previously participated in MK-3475 clinical trials.
  4. Is currently participating in or has participated in an interventional clinical trial with an investigational compound or device within 4 weeks of the first dose of treatment in this current trial.

    Note: subject should be excluded if he/she received an investigational agent with anti-cancer or anti-proliferative intent within the last 12 months.

  5. Has received a live vaccine within 30 days of the first dose of study treatment.

    Note: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., FluMist®) are live attenuated vaccines, and are not allowed.

  6. Has an 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) is not considered a form of systemic treatment.
  7. Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.
  8. Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
  9. Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
  10. Has a history of (non-infectious) pneumonitis that required steroids or current pneumonitis.
  11. Has an active infection requiring systemic therapy.
  12. Has significant cardiovascular disease, such as:

    • History of myocardial infarction, acute coronary syndrome or coronary angioplasty/stenting/bypass grafting within the last 6 months
    • Congestive heart failure (CHF) New York Heart Association (NYHA) Class II-IV or history of CHF NYHA class III or IV
  13. Has a history or current evidence of any condition, therapy, lab abnormality or other circumstance that might expose the subject to risk by participating in the trial, confound the results of the trial, or interfere with the subject's participation for the full duration of the trial in the opinion of the Investigator.
  14. Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial in the opinion of the Investigator.
  15. Is pregnant or breastfeeding, or expecting to conceive children within the projected duration of the trial, starting with the screening visit through 12 months after the last dose of trial treatment for subjects who have received cyclophosphamide, and for 6 months after the last dose of study medication for subjects who have not.
  16. Has a known hypersensitivity to the components of the study therapy or its analogs.
  17. Has a known history of active TB (Bacillus Tuberculosis).
  18. Allergy to ciprofloxacin (or other quinolones).

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04373031


Locations
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United States, Oregon
Providence Portland Medical Center Recruiting
Portland, Oregon, United States, 97213
Contact: Nikki Moxon, RN    503-215-2619    nicole.moxon@providence.org   
Principal Investigator: David Page, MD         
Sponsors and Collaborators
Providence Health & Services
Merck Sharp & Dohme Corp.
Brooklyn ImmunoTherapeutics, LLC
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Responsible Party: Providence Health & Services
ClinicalTrials.gov Identifier: NCT04373031    
Other Study ID Numbers: 2019000486
First Posted: May 4, 2020    Key Record Dates
Last Update Posted: February 2, 2021
Last Verified: January 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Breast Neoplasms
Triple Negative Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
Pembrolizumab
Antineoplastic Agents, Immunological
Antineoplastic Agents