Pembrolizumab With Carboplatin Compared to Carboplatin Alone in Breast Cancer Patients With Chest Wall Disease

  • STATUS
    Recruiting
  • End date
    Sep 30, 2022
  • participants needed
    84
  • sponsor
    Hope Rugo, MD
Updated on 3 June 2021
estrogen
carcinoma
growth factor
endocrine therapy
progesterone
metastasis
carboplatin
hormone therapy
pertuzumab
advanced breast cancer
immunohistochemistry
epidermal growth factor receptor
HER2
EGFR
trastuzumab
progesterone receptor
erbb2
epidermal growth factor
estrogen receptor
breast carcinoma
immunostimulant
mammogram

Summary

This is a phase II multicenter study including breast cancer patients with chest wall disease that is hormone resistant (estrogen receptor (ER) positive/progesterone receptor (PR) positive/human epidermal growth factor receptor 2 (HER2) negative breast cancer with progressive disease on 2 prior lines of hormonal therapy) or triple negative (ER negative/PR negative/HER2 negative, TNBC). Eighty-four patients will be enrolled at Translational Breast Cancer Research Consortium (TBCRC) sites and will be randomized 2:1 to receive treatment with pembrolizumab and carboplatin (n=56, Arm A) or carboplatin alone (n=28, Arm B) until documented disease progression. Patients randomized to Arm B may cross-over following progression to pembrolizumab with or without carboplatin at investigator's discretion (Arm Bx). Patients may have received any number of prior lines of chemotherapy. Patients in Arm A will be treated with pembrolizumab 200 mg IV and carboplatin area under curve (AUC) 5 IV every 3 weeks for at least 6 cycles followed by maintenance pembrolizumab 200 mg IV every 3 weeks if stable or responding disease. Patients in Arm B will be treated with carboplatin AUC 5 IV every 3 weeks until progression, whereupon they may cross-over to pembrolizumab 200 mg IV every 3 weeks with or without carboplatin at investigator's discretion (Arm Bx). An interim analysis for futility will be performed after 18 patients are enrolled into Arm B to allow early stopping of that trial arm for lack of efficacy. The primary endpoint is to compare disease control rates at 18 weeks of treatment. Secondary endpoints include progression free survival, toxicity, and overall response rate.

Description

There will be a companion translational study operating concurrently with the study described above. In this study, biomarker research to be performed on tumor biopsies and peripheral blood samples will be performed to explore the immunologic and genomic mechanism of action underlying treatment with pembrolizumab and carboplatin versus carboplatin alone. This protocol includes tissue and blood correlative exploratory endpoints including changes in tumor PD-L1 (programmed death ligand 1) gene expression, tumor and peripheral blood immune composition and cytokine expression, plasma tumor DNA, circulating tumor cells, and tumor myelocytomatosis (MYC) oncogene expression using tumor biopsy and peripheral blood testing before and after treatment; correlations with these markers and disease control rate will be assessed.

Details
Condition Chest Wall Disease, breast carcinoma, cancer, breast, Breast Cancer, Breast Cancer Diagnosis
Treatment carboplatin, Trastuzumab, Pembrolizumab, Carboplatin, Pembrolizumab
Clinical Study IdentifierNCT03095352
SponsorHope Rugo, MD
Last Modified on3 June 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Advanced breast cancer with locally recurrent chest wall disease not amenable to surgical excision with curative intent
Distant sites of disease are allowed
Prior radiation to the chest wall is not required
The following disease subtypes are eligible
Triple negative disease (defined as ER < 10%, PR < 10%, HER2 negative)
Hormone receptor positive, HER2 negative disease with evidence of progression on at least two prior lines of hormone therapy, unless, per treating investigator's judgement, is not considered a candidate for further endocrine therapy
HER2 positive disease with evidence of disease progression on trastuzumab, pertuzumab, T-DM1 and oral tyrosine kinase inhibitor unless contraindicated with no other HER2 targeted therapy options available. Patients in this category will be classified by ER status
Histologically confirmed HER2+ breast carcinoma, with HER2+ defined by in situ hybridization (ISH) or fluorescence in situ hybridization (FISH) or immunohistochemistry (IHC) methodology using standard criteria
Cardiac function must be determined within 4 weeks of study entry to be >= institutional lower limit of normal (LLN) using echo or multiple gated acquisition scan (MUGA)
Any number of prior lines of therapy are allowed. a Prior platinum based therapy is allowed in the following settings
Treatment in the neoadjuvant and/or adjuvant setting without clear progression of disease
Treatment in the metastatic setting without clear progression of disease
At least two weeks from last systemic therapy for breast cancer, with recovery of all treatment related toxicity to grade 1 or less. Subjects with <= Grade 2 neuropathy are an exception to this criterion
At least two weeks from last radiation therapy, with recovery of all treatment related toxicity to grade 1 or less (excluding alopecia)
Prior CNS disease is allowed if stable for at least one month since whole brain radiation therapy, and 2 weeks since stereotactic radiotherapy, and not requiring steroids. Patients whose CNS disease was surgically treated may be enrolled if stable for at least one month, and not requiring steroids
Able to provide tissue from a newly obtained core or excisional biopsy of a chest wall tumor lesion. Newly-obtained is defined as a specimen any time after the last systemic or local therapy utilized to treat the disease. Subjects for whom newly-obtained samples cannot be provided (e.g. inaccessible or subject safety concern) may submit an archived specimen only upon agreement from the Sponsor
Willing and able to provide written informed consent
Greater than or equal to 18 years of age on day of signing informed consent
Eastern Cooperative Oncology Group (ECOG) performance status of less than or equal to 2\
Adequate organ function as defined below within 10 business days of treatment
initiation
Absolute neutrophil count (ANC) >=1,000 /microliter (mcL)
Platelets>=100,000 / mcL
Hemoglobin 9 g/dL or 5.6 mmol/L without transfusion or erythropoietin (EPO) dependency (within 7 days of assessment)
Serum creatinine OR Measured or calculated creatinine clearance (GFR can also be used in place of creatinine or CrCl) <=1.5 X upper limit of normal (ULN) OR >=60 mL/min for subject with creatinine levels > 1.5 X institutional ULN. Creatinine clearance should be calculated per institutional standard
Serum total bilirubin 1.5 X ULN OR Direct bilirubin <= ULN for subjects with total bilirubin levels > 1.5 ULN
Aspartate aminotransferase (AST) (SGOT) and Alanine aminotransferase (ALT) (SGPT) 2.5 X ULN OR 5 X ULN for subjects with liver metastases
International Normalized Ratio (INR) or Prothrombin Time (PT) <=1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants
Activated Partial Thromboplastin Time (aPTT) <=1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants
Female subjects of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
Albumin >2.5 g/dL
Female subjects of childbearing potential should be willing to use an acceptable form of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication (Reference Section 5.7.2). Subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for > 1 year
Male subjects should agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy

Exclusion Criteria

Has a history of (non-infectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/ interstitial lung disease
Has received a live vaccine or live-attenuated vaccine within 30 days prior to the first dose of study drug. Administration of killed vaccines is allowed
Treatment with an investigational agent within 4 weeks of the first dose of treatment
A diagnosis of immunodeficiency or is currently receiving systemic steroid therapy at any dose or is receiving any other form of immunosuppressive therapy. Steroid therapy is not allowed within 7 days prior to the first dose of trial treatment. However, topical and intranasal corticosteroids are allowed, and not an exclusion for participation
Known active TB (Bacillus Tuberculosis). Patients with a distant history of tuberculosis that was appropriately treated and have no evidence of active infection are eligible to participate. Patients with a history of latent tuberculosis that was appropriately treated are also eligible to participate
Hypersensitivity to pembrolizumab or any of its excipients
Hypersensitivity to carboplatin or cisplatin
Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study Day 1 or who has not recovered (i.e., Grade 1 or at baseline) from adverse events due to a previously administered agent
Note: Subjects with Grade 2 neuropathy are an exception to this criterion
Note: If subject received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy
Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer
Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis
Has active autoimmune disease that has required systemic treatment in the 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
Has an active infection requiring systemic therapy
Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment
Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent. Has been on any prior Merck MK-3475 (pembrolizumab) studies
Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies)
Has known active Hepatitis B virus (HBV) [e.g., hepatitis B surface antigen (HBsAg) reactive] or Hepatitis C virus (HCV) [e.g., HCV ribonucleic acid (RNA), [qualitative] is detected]
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