A Study of Atezolizumab and Paclitaxel Versus Placebo and Paclitaxel in Participants With Previously Untreated Locally Advanced or Metastatic Triple Negative Breast Cancer (TNBC)



Status:Recruiting
Conditions:Breast Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/10/2019
Start Date:August 25, 2017
End Date:June 30, 2021
Contact:Reference Study ID Number: MO39196 www.roche.com/about_roche/roche_worldwide.htm
Email:global-roche-genentech-trials@gene.com
Phone:888-662-6728 (U.S. and Canada)

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A Phase III, Multicenter, Randomised, Double-Blind, Placebo-Controlled Study of Atezolizumab (Anti-Pd-L1 Antibody) in Combination With Paclitaxel Compared With Placebo With Paclitaxel for Patients With Previously Untreated Inoperable Locally Advanced or Metastatic Triple Negative Breast Cancer

This Phase 3, multicenter, randomized, double-blind, placebo controlled study is designed to
evaluate the efficacy and safety of atezolizumab (MPDL3280A, an anti-programmed death-ligand
1 [PD-L1] antibody) administered in combination with paclitaxel compared with placebo in
combination with paclitaxel in participants with previously untreated, inoperable locally
advanced or metastatic, centrally confirmed TNBC. Participants will be randomized in a 2:1
ratio to receive atezolizumab or placebo plus paclitaxel until disease progression or
unacceptable toxicity or end of study, whichever occurs first (maximum up to approximately 40
months). In addition, the Sponsor may decide to terminate the study at any time.


Inclusion Criteria:

- Participants with locally advanced or metastatic, histologically documented TNBC
(absence of human epidermal growth factor receptor 2 [HER2], estrogen receptor [ER],
and progesterone receptor [PR] expression), not amenable to surgical therapy

- Participants eligible for taxane monotherapy

- No prior chemotherapy or targeted systemic therapy (including endocrine therapy) for
inoperable locally advanced or metastatic TNBC

- Availability of formalin-fixed paraffin-embedded (FFPE) tumor block (preferred) or at
least 17 unstained slides, collected ≤3 months prior to randomization, with an
associated pathology report, if available. If a tumour sample taken within 3 months
before randomisation is not available and a tumour biopsy is not clinically feasible,
the primary surgical resection sample or the most recent FFPE tumour biopsy sample may
be used. Of these additional options, the most recent sample should be used.

- Eastern Cooperative Oncology Group performance status of 0 or 1

- Life expectancy at least 12 weeks

- Measurable disease, as defined by RECIST v1.1

- Adequate hematologic and end-organ function

- Negative human immunodeficiency virus (HIV) test at screening.

- Negative hepatitis B surface antigen (HBsAg) test at screening

- Negative total hepatitis B core antibody (HBcAb) test at screening, or positive HBcAb
test followed by a negative hepatitis B virus (HBV) DNA test at screening. The HBV DNA
test will be performed only for patients who have a positive HBcAb test.

- Negative hepatitis C virus (HCV) antibody test at screening, or positive HCV antibody
test followed by a negative HCV RNA test at screening. The HCV RNA test will be
performed only for patients who have a positive HCV antibody test.

- Women of child bearing potential must have a negative serum pregnancy test result
within 7 days prior to initiation of study drug

- For men and women of child bearing potential: agreement to remain abstinent or use
protocol defined contraceptive measures during the treatment period and for at least 5
months after the last dose of atezolizumab/placebo, or for at least 6 months after the
last dose of paclitaxel

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 at least 2 weeks prior to randomization

- Known central nervous system (CNS) disease, except for treated asymptomatic CNS
metastases

- Leptomeningeal disease

- Uncontrolled pleural effusion, pericardial effusion, or ascites

- Uncontrolled tumor-related pain, or uncontrolled hypercalcemia or clinically
significant (symptomatic) hypercalcemia

- Malignancies other than 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,
non-melanoma skin carcinoma, or Stage I uterine cancer)

- Pregnant or breast-feeding women, or intending to become pregnant during the study

- Evidence of significant uncontrolled concomitant disease that could affect compliance
with the protocol or interpretation of results, including significant liver disease,
cardiovascular disease, and presence of an abnormal electrocardiogram (ECG)

- Serious infection requiring antibiotics within 2 weeks prior to randomization,
including but not limited to infections requiring hospitalization or IV antibiotics,
such as 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 study other than for diagnosis

- Treatment with investigational therapy within 30 days prior to initiation of study
treatment

- History of hypersensitivity reactions to study drug or any component of the study drug
formulation
We found this trial at
10
sites
303 East Superior Street
Chicago, Illinois 60611
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Algiers,
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4371 Veronica S Shoemaker Boulevard
Fort Myers, Florida 33916
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Fort Myers, FL
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2316 East Meyer Boulevard
Kansas City, Missouri 64132
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Kansas City, MO
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340 Kennestone Hospital Boulevard
Marietta, Georgia 30060
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Marietta, GA
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Nashville, TN
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Paramus, New Jersey 07450
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Paramus, NJ
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300 Halket St
Pittsburgh, Pennsylvania 15213
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Pittsburgh, PA
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1201 5th Avenue North
Saint Petersburg, Florida 33705
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Saint Petersburg, FL
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Stanford, California 94305
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Stanford, CA
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