Carboplatin With or Without Atezolizumab in Treating Patients With Stage IV Triple Negative Breast Cancer



Status:Recruiting
Conditions:Breast Cancer, Cancer, Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:10/11/2018
Start Date:July 27, 2017
End Date:February 2022
Contact:Clinical Trials Information Program
Email:cip@vanderbilt.edu
Phone:800-811-8480

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A Phase II Trial of Atezolizumab (Anti-PDL1) With Carboplatin in Patients With Metastatic Triple Negative Breast Cancer

This randomized phase II trial studies how well carboplatin with or without atezolizumab
works in treating patients with stage IV triple negative breast cancer. Drugs used in
chemotherapy, such as carboplatin, work in different ways to stop the growth of tumor cells,
either by killing the cells, by stopping them from dividing, or by stopping them from
spreading. Monoclonal antibodies, such as atezolizumab, may interfere with the ability of
tumor cells to grow and spread. Giving carboplatin with atezolizumab may work better in
treating patients with stage IV triple negative breast cancer

Primary objective:

To evaluate the efficacy, as measured by progression free survival (PFS) of carboplatin +
atezolizumab (using irRECIST) versus carboplatin alone (using RECIST) in patients with triple
negative metastatic breast cancer

Secondary objectives:

- To determine overall response rate.

- To evaluate the efficacy, as measured by clinical benefit rate, of carboplatin +
atezolizumab (using irRECIST) versus carboplatin (using RECIST) alone in patients with
triple negative metastatic breast cancer. Clinical benefit rate is defined as complete
response plus partial response plus stable disease for 6 months.

- To determine the duration of response for patients achieving a partial or complete
response.

- To evaluate the overall survival (OS) of carboplatin + atezolizumab versus carboplatin
alone in patients with triple negative metastatic breast cancer.

TERTIARY OBJECTIVES:

- To perform the following correlative studies from biopsies taken at baseline:

1. Tumor infiltrating lymphocyte frequency and phenotype (TILs) at baseline

2. PD-L1 expression from the baseline pre-treatment tissue and at progression lesion,
performed by IHC (SP142 clone)

3. HER2 (IHC, FISH) and ER/PR levels (IHC) from a metastatic site

4. Perform RNA-seq to determine non-synonymous mutation burden in expressed genes and
gene expression to assign a triple negative subtype at baseline for correlations
with clinic outcome

5. Immune phenotyping (IHC) for markers of T cell subsets and activation (CD4, CD8,
FoxP3, CD25, Glut1) and exhaustion (PD1, CTLA4) and test feasibility of flow
cytometric analyses to include additional markers

- To assess the effect of BRCA mutations on response to the study drugs

- To evaluate the effect of steroids on the efficacy of atezolizumab To assess the
prognostic effects of TILs on PFS and CBR in patients receiving atezolizumab

Inclusion Criteria:

- Patients must provide informed written consent

- Eastern Cooperative Oncology Group (ECOG) performance status 0-1

- Clinical stage IV ER, PR, HER2 negative invasive mammary carcinoma, previously
documented by histological analysis and that meets the following criteria:

- HER2 negativity is defined as any of the following by local laboratory
assessment: In-situ hybridization (ISH) non-amplified (ratio of HER2 to CEP17 <
2.0 or single probe average HER2 gene copy number < 4 signals/cell), or IHC 0 or
IHC 1+ (if more than one test result is available and not all results meet the
inclusion criterion definition, all results should be discussed with the protocol
chair to establish eligibility of the patient)

- ER and PR negativity are defined as =< 5% of cells expressing hormonal receptors
via IHC analysis

- Willing to undergo biopsy of a metastatic lesion (in patients with reasonably
accessible metastatic lesions such as chest wall, skin, subcutaneous tissue, lymph
nodes, bones, peripheral lung, and liver metastases)

- Measurable disease, defined as at least one lesion that can be accurately measured in
at least one dimension by RECIST criteria version (v)1.1

- Zero or one prior chemotherapy regimens for metastatic disease

- No prior treatment with carboplatin

- Absolute neutrophil count (ANC) >= 1500/mm^3 (without granulocyte colony-stimulating
factor [G-CSF] support within 2 weeks prior to cycle 1, day 1)

- Lymphocyte count >= 500/uL

- Platelet count >= 100,000/mm^3 (without transfusion within 2 weeks prior to cycle 1,
day 1)

- Hemoglobin >= 9.0 g/dL

* Patients may be transfused or receive erythropoietic treatment to meet this
criterion

- Calculated creatinine clearance >= 30 mL/min using the Calvert Formula

- Bilirubin =< 2.5 x upper limits of normal if no liver metastases present; serum total
bilirubin must be =< 3 x upper limits of normal for patients with Gilbert disease;
total bilirubin =< 5 x upper limits of normal if liver metastases present

- Serum glutamic oxaloacetic transaminase (SGOT), serum glutamic pyruvic transaminase
(SGPT) =< 2.5 x upper limits of normal if no liver metastases present; SGOT, SGPT =< 5
x upper limits of normal if liver metastases present

- Alkaline phosphatase =< 2.5 x upper limits of normal if no liver metastases present;
alkaline phosphatase =< 5 x upper limits of normal if liver metastases present

- For patients who are not postmenopausal (women) or surgically sterile (absence of
ovaries and/or uterus or vasectomy), agreement to remain abstinent or to use two
adequate methods of contraception (e.g., condoms, diaphragm, vasectomy/vasectomized
partner, tubal ligation), during the treatment period and for at least 30 days after
the last dose of study treatment; hormone based oral contraceptives are not allowed on
study; postmenopausal is defined as:

- Age >= 60 years

- Age =< 60 years and amenorrheic for 12 months in the absence of chemotherapy,
tamoxifen, toremifene, or ovarian suppression; or follicle stimulating hormone
and estradiol in the postmenopausal range

- Subjects must complete all baseline screening assessments

Exclusion Criteria:

- CANCER-SPECIFIC EXCLUSION CRITERIA

- Spinal cord compression not definitively treated with surgery and/or radiation, or
previously diagnosed and treated spinal cord compression without evidence that disease
has been clinically stable for > 2 weeks prior to randomization

- Known central nervous system (CNS) disease, except for treated asymptomatic CNS
metastases, provided all of the following criteria are met: measurable disease outside
the CNS, only supratentorial metastases allowed (i.e., no metastases to midbrain,
pons, medulla, or spinal cord), no evidence of progression or hemorrhage after
completion of CNS-directed therapy, no ongoing requirement for dexamethasone as
therapy for CNS disease (anticonvulsants at a stable dose are allowed), no
stereotactic radiation within 7 days or whole-brain radiation within 14 days prior to
randomization

- Leptomeningeal disease

- Uncontrolled tumor-related pain: patients requiring narcotic pain medication must be
on a stable regimen at registration; symptomatic lesions (e.g., bone metastases or
metastases causing nerve impingement) amenable to palliative radiotherapy should be
treated prior to randomization; patients should be recovered from the effects of
radiation; there is no required minimum recovery period; asymptomatic metastatic
lesions whose further growth would likely cause functional deficits or intractable
pain (e.g., epidural metastasis that is not presently associated with spinal cord
compression) should be considered for loco-regional therapy if appropriate prior to
randomization

- Uncontrolled hypercalcemia (> 1.5 mmol/L ionized calcium or calcium > 12 mg/dL or
corrected serum calcium > upper limit of normal [ULN]) or symptomatic hypercalcemia
requiring continued use of bisphosphonate therapy; patients who are receiving
denosumab must discontinue denosumab use and replace it with a bisphosphonate instead
while on study; patients receiving a bisphosphonate for skeletal metastases are not
excluded and can continue treatment

- Malignancies other than triple negative breast cancer (TNBC) within 5 years prior to
randomization, with the exception of those with a negligible risk of metastasis or
death and treated with expected curative outcome (such as adequately treated carcinoma
in situ of the cervix or basal or squamous cell skin cancer)

- Concurrent anti-cancer therapy (chemotherapy, radiation therapy, surgery,
immunotherapy, hormonal therapy, biological therapy) other than the ones specified in
the protocol; any other investigational drugs should be discontinued 2 weeks prior to
the first dose of study medication

- GENERAL MEDICAL EXCLUSION CRITERIA

- Women only: pregnancy or lactation

- Evidence of significant uncontrolled concomitant disease that in the opinion of the
investigator could affect compliance with the protocol or interpretation of results,
including significant liver disease (such as cirrhosis, uncontrolled major seizure
disorder, or superior vena cava syndrome)

- Significant cardiovascular disease, such as New York Heart Association (NYHA) cardiac
disease (class II or greater), myocardial infarction within 3 months prior to
randomization, unstable arrhythmias, or unstable angina; patients with a known left
ventricular ejection fraction (LVEF) < 40% will be excluded; patients with known
coronary artery disease, congestive heart failure not meeting the above criteria, or
LVEF < 50% must be on a stable medical regimen that is optimized in the opinion of the
treating physician, in consultation with a cardiologist if appropriate

- Severe infection requiring systemic treatment within 4 weeks prior to randomization,
including but not limited to hospitalization for complications of infection,
bacteremia, or severe pneumonia

- Major surgical procedure within 4 weeks prior to randomization or anticipation of the
need for a major surgical procedure during the course of the study other than for
diagnosis; placement of central venous access catheter(s) (e.g., port or similar) is
not considered a major surgical procedure and is therefore permitted

- History of severe reactions (e.g. allergic, anaphylactic, or other hypersensitivity)
to chimeric or humanized antibodies or fusion proteins

- Known hypersensitivity or allergy to biopharmaceuticals produced in Chinese hamster
ovary cells or any component of the atezolizumab formulation

- History of autoimmune disease, including but not limited to myasthenia gravis,
myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis,
inflammatory bowel disease, vascular thrombosis associated with antiphospholipid
syndrome, Wegener's granulomatosis, Sjogren's syndrome, Guillain-Barre syndrome,
multiple sclerosis, vasculitis, or glomerulonephritis; patients with a history of
autoimmune-related hypothyroidism on a stable dose of thyroid replacement hormone are
eligible for this study; patients with controlled type 1 diabetes mellitus on a stable
insulin regimen are eligible for this study

- Prior allogeneic stem cell or solid organ transplantation

- History of idiopathic pulmonary fibrosis (including pneumonitis), drug-induced
pneumonitis, organizing pneumonia (i.e., bronchiolitis obliterans, cryptogenic
organizing pneumonia), or evidence of active pneumonitis on screening chest computed
tomography (CT) scan; history of radiation pneumonitis in the radiation field
(fibrosis) is permitted

- Positive test for human immunodeficiency virus (HIV) (testing required prior to
registration)

- Active hepatitis B (defined as having a positive hepatitis B surface antigen [HBsAg]
test at screening) or hepatitis C

- Patients with past hepatitis B virus (HBV) infection or resolved HBV infection
(defined as having a negative hepatitis B surface antigen [HBsAg] test and a positive
antibody to hepatitis B core antigen [anti-HBc] antibody test) are eligible

- Patients positive for hepatitis C virus (HCV) antibody are eligible only if polymerase
chain reaction (PCR) is negative for HCV RNA

- Active tuberculosis

- Receipt of a live, attenuated vaccine within 4 weeks prior to initiation of study drug
(cycle 1, day 1 [C1D1]) or anticipation that such a live, attenuated vaccine will be
required during the study

- Prior treatment with CD137 agonists, anti−PD-1, or anti−PD-L1 therapeutic antibody or
pathway-targeting agents

- Treatment with systemic immunostimulatory agents (including but not limited to
interferons or IL-2) within 4 weeks or five half-lives of the drug (whichever is
shorter) prior to randomization

- Treatment with systemic corticosteroids or other systemic immunosuppressant
medications (including but not limited to prednisone, dexamethasone, cyclophosphamide,
azathioprine, methotrexate, thalidomide, and anti−tumor necrosis factor [TNF] agents)
within 2 weeks prior to cycle 1, day 1, or anticipated requirement for systemic
immunosuppressive medications during the trial; patients who have received acute,
low-dose, systemic immunosuppressant medications (e.g., a one-time dose of
dexamethasone for nausea) may be enrolled in the study; patients with a history of
allergic reaction to IV contrast requiring steroid pre-treatment should have baseline
and subsequent tumor assessments performed using magnetic resonance imaging (MRI); the
use of inhaled corticosteroids for chronic obstructive pulmonary disease,
mineralocorticoids (e.g., fludrocortisone) for patients with orthostatic hypotension,
and low-dose supplemental corticosteroids for adrenocortical insufficiency are allowed

- Psychiatric illness/social situations that would compromise patient safety or limit
compliance with study requirements
We found this trial at
7
sites
2220 Pierce Ave
Nashville, Tennessee 37232
615-936-8422
Principal Investigator: Vandana Abramson, MD
Phone: 800-811-8480
Vanderbilt-Ingram Cancer Center The Vanderbilt-Ingram Cancer Center, located in Nashville, Tenn., brings together the clinical...
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Chapel Hill, North Carolina 27599
(919) 962-2211
Principal Investigator: E. Claire Dees, MD
University of North Carolina at Chapel Hill Carolina’s vibrant people and programs attest to the...
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Chapel Hill, NC
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Baltimore, Maryland 21231
Principal Investigator: Roisin Connolly, MD
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Indianapolis, Indiana 46202
Principal Investigator: Tarah Ballinger, MD
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Indianapolis, IN
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1275 York Ave
New York, New York 10021
(212) 639-2000
Principal Investigator: Ayca Gucalp, MD
Memorial Sloan Kettering Cancer Center Memorial Sloan Kettering Cancer Center — the world's oldest and...
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3451 Walnut St
Philadelphia, Pennsylvania 19104
1 (215) 898-5000
Principal Investigator: Payal Shah, MD
Phone: 215-615-5329
Univ of Pennsylvania Penn has a long and proud tradition of intellectual rigor and pursuit...
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Philadelphia, PA
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Washington, District of Columbia 20007
Principal Investigator: Paula Pohlmann, MD
Phone: 202-687-2209
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Washington,
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