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About
This phase II trial studies how well the combination of avelumab with liposomal doxorubicin with or without binimetinib, or the combination of avelumab with sacituzumab govitecan works in treating patients with triple negative breast cancer that is stage IV or is not able to be removed by surgery (unresectable) and has come back (recurrent). Immunotherapy with checkpoint inhibitors like avelumab require activation of the patient's immune system.
This trial includes a two week induction or lead-in of medications that can stimulate the immune system. It is our hope that this induction will improve the response to immunotherapy with avelumab. One treatment, sacituzumab Govitecan, is a monoclonal antibody called sacituzumab linked to a chemotherapy drug called SN-38. Sacituzumab govitecan is a form of targeted therapy because it attaches to specific molecules (receptors) on the surface of tumor cells, known as Tumor-associated calcium signal transducer 2 (TROP2) receptors, and delivers SN-38 to kill them. Another treatment, liposomal doxorubicin, is a form of the anticancer drug doxorubicin that is contained in very tiny, fat-like particles. It may have fewer side effects and work better than doxorubicin, and may enhance factors associated with immune response. The third medication is called binimetinib, which may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth, and may help activate the immune system. It is not yet known whether giving avelumab in combination with liposomal doxorubicin with or without binimetinib, or the combination of avelumab with sacituzumab govitecan will work better in treating patients with triple negative breast cancer.
Full description
OUTLINE: Patients are randomized to 1 of 3 active arms. The three previous study arms are closed to further accrual.
ARM A: Patients receive binimetinib orally (PO) twice daily (BID) for a lead-in period of 15 days in the absence of disease progression or unacceptable toxicity. Patients then receive binimetinib PO BID on days 1-28, avelumab intravenously (IV) over 60 minutes on days 1 and 15, and liposomal doxorubicin IV over 60 minutes on day 1. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
ARM B: Patients receive sacituzumab govitecan IV on days -15 for a lead-in period in the absence of disease progression or unacceptable toxicity. Patients then receive sacituzumab govitecan day 8 and day 15 of Cycle (C) 1; day 1, 8, and 21 of C2; day 1, 15 and 21 of C3; day 8 and 15 of C4, and the schedule continues with two weeks on, one week off for 21-day cycles which repeat in the absence of disease progression or unacceptable toxicity. Participants also receive avelumab IV over 60 minutes on days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
ARM C: Patients receive liposomal doxorubicin IV over 60 minutes on day -15 for a lead-in period of 15 days in the absence of disease progression or unacceptable toxicity. Patients then receive liposomal doxorubicin IV over 60 minutes on day 15 and avelumab IV over 60 minutes on days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 30 days, then every 6 months for a minimum of 1 year. Participants will be followed every 3 months after experiencing disease progression to assess for survival/anti-cancer therapy status until death or 1 year after Cycle 1 Day 1.
PRIMARY OBJECTIVE:
I. Anti-tumor effect of avelumab in combination with different therapeutic agents explored in the sub-protocols of the trial.
SECONDARY OBJECTIVES:
I. Additional anti-tumor effects.
II. Safety and tolerability of avelumab in combination with different therapeutic agents explored in the sub-protocols of the trial.
III. Patient reported outcomes (PRO) between baseline and cycle 3 day 1 across arms.
IV. Longitudinal trends in PRO outcomes across treatment arms.
V. Differences in PRO outcomes for patients who respond compared to those who do not respond.
CORRELATIVE OBJECTIVES:
I. To determine the therapeutic predictive role of the following on clinical outcome as well as changes with induction therapy with either liposomal doxorubicin or targeted agents:
II. To determine if circulating tumor deoxyribonucleic acid (DNA) (ctDNA) results will discriminate pseudo-progression from true progression.
III. To determine if certain genomic alterations detected in tumor tissue or ctDNA are potentially associated with resistance to the tested drug combinations.
IV. To correlate the composition of the pretreatment microbiome with response and secondary endpoints in each arm of the trial.
OUTLINE: Patients are randomized to 1 of 3 arms.
ARM A: Patients receive binimetinib orally (PO) twice daily (BID) for a lead-in period of 15 days in the absence of disease progression or unacceptable toxicity. Patients then receive binimetinib PO BID on days 1-28, avelumab intravenously (IV) over 60 minutes on days 1 and 15, and liposomal doxorubicin IV over 60 minutes on day 1. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
ARM B: Patients receive sacituzumab govitecan IV on days -15 and -8 as a lead-in period in the absence of disease progression or unacceptable toxicity. Patients then receive sacituzumab govitecan IV on days 1 and 8 and avelumab IV over 60 minutes on days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
ARM C: Patients receive liposomal doxorubicin IV over 60 minutes on day -15. Patients then receive liposomal doxorubicin IV over 60 minutes on day 15 and every 4 weeks thereafter. Patients also receive avelumab IV over 60 minutes on days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 30 days, then every 6 months for a minimum of 1 year.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Signed and dated written informed consent
Subjects >= 18 years of age
Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
Clinical stage IV invasive breast cancer or unresectable locoregional recurrence of invasive breast cancer meeting the following criteria:
Adequate organ function including:
Male and female patients of childbearing potential must agree to use at least two methods of acceptable contraception from 15 days prior to first trial treatment administration until at least 30 days after study participant's final dose of study drug(s)
* NOTE: Females of childbearing potential are defined as those who are not surgically sterile or post-menopausal (i.e., patient has not had a bilateral tubal ligation, a bilateral oophorectomy, or a complete hysterectomy; or has not been amenorrhoeic for 12 months without an alternative medical cause). Post-menopausal status in females under 55 years of age should be confirmed with a serum follicle-stimulating hormone (FSH) level within laboratory reference range for postmenopausal women
Patients unable to read/write in English are eligible to participate in the overall study but will not participate in the Patient-Reported Outcome questionnaires throughout the trial.
Re-enrollment of a subject that has discontinued the study as a pre-randomization screen failure (i.e., a consented patient who was not randomized and did not receive any study treatment) is permitted. If re-enrolled, the subject must be re-consented. Only the screening procedures performed outside of protocol-specified timing must be repeated; if biopsies and correlative blood samples were already obtained, and patient has not received any systemic anti-cancer therapy since they were obtained, they do not need to be repeated.
Exclusion criteria
More than 2 lines of chemotherapy in the metastatic setting
More than 1 prior line of checkpoint inhibitor therapy in the metastatic setting
Prior treatment with sacituzumab, govitecan
Concurrent anticancer therapy. Required washout from prior therapies are as follows:
Chemotherapy: >= 14 days: antibody drug conjugants administered every 3 weeks require a 3-week washout.
Major surgery: >=14 days (provided wound healing is adequate)
Radiation: >= 7 days
Investigational/biologic therapy (half-life =< 40 hours): >= 14 days
Investigational/biologic therapy (half-life > 40 hours): >= 28 days
Use of corticosteroids or immunosuppressive medication is exclusionary, except the following in the absence of active autoimmune disease:
Previous malignant disease other than breast cancer within the last 5 years, with the exception of basal or squamous cell carcinoma of the skin, cervical carcinoma in situ, or low-risk cancers considered curatively treated (i.e. complete remission achieved at least 2 years prior to first dose of study drugs AND additional therapy not required while receiving study treatment)
All subjects with central nervous system metastases and/or carcinomatous meningitis, except those meeting the following criteria::
Receipt of any organ transplantation including allogeneic stem-cell transplantation
Significant acute or chronic infections including, among others:
Active autoimmune disease with reasonable possibility of clinically significant deterioration when receiving an immunostimulatory agent, per investigator discretion:
History of interstitial lung disease that is symptomatic or which may interfere with the detection or management of suspected drug-related pulmonary toxicity
Uncontrolled asthma (defined as having 3 or more of the following features of partially controlled asthma within 28 days prior to starting study treatment: Daytime symptoms more than twice per week, any limitation of activities, any nocturnal symptoms/awaking, need for reliever/rescue inhaler more than twice per week, or known lung function [peak expiratory flow (PEF) or forced expiratory volume in 1 second (FEV1)] without administration of a bronchodilator that is < 80% predicted or personal best [if known])
Current symptomatic congestive heart failure (New York Heart Association > class II), unstable cardiac arrhythmia requiring therapy (e.g. medication or pacemaker), unstable angina (e.g. new, worsening or persistent chest discomfort), uncontrolled hypertension (systolic > 160 mmHg or diastolic > 100mmHg), or known cardiac ejection fraction below the lower limit of institutional normal. Or any of the following occurring within 6 months (180 days) prior to first dose of avelumab: Myocardial infarction, coronary/peripheral artery bypass graft, cerebrovascular accident or transient ischemic attack. (Use of antihypertensive medication to control blood pressure is allowed.)
Patients who have neuromuscular disorders that are associated with elevated creatine kinase (CK)
History of acute or chronic pancreatitis
History or current evidence of retinal vein occlusion (RVO), or current risk factors for RVO including uncontrolled glaucoma, ocular hypertension, history of hyperviscosity, or hypercoagulability syndromes (patients with a history of pulmonary embolism or deep vein thrombosis (DVT) are allowed on study if they are also on anticoagulation as noted in (16) below) ; history of retinal degenerative disease.
Requirement of anticoagulant therapy with oral vitamin K antagonists such as Coumadin (warfarin). Low-dose anticoagulants for the maintenance of patency in a central venous access device or the prevention of deep vein thrombosis or pulmonary embolism is allowed. Therapeutic use of low molecular weight heparin or factor Xa inhibitors are allowed provided patients are safely able to interrupt it prior to biopsy procedures.
Persisting toxicity related to prior therapy that has not reduced to grade 1 (National Cancer Institute Common Toxicity Criteria for Adverse Events (NCI CTCAE) version 5.0); however, alopecia and sensory neuropathy grade =< 2 is acceptable
Known severe (grade >= 3 NCI-CTCAE v5.0) hypersensitivity reactions to monoclonal antibodies, or history of anaphylaxis
Vaccination within 28 days of the first dose of study drugs and while on trial is prohibited, except for administration of inactivated vaccines (for example, inactivated influenza vaccine)
Pregnant or breastfeeding females
Known current alcohol or drug abuse
Prisoners or subjects who are involuntarily incarcerated
Known psychiatric condition, social circumstance, or other medical condition reasonably judged by the patient's study physician to unacceptably increase the risk of study participation; or to prohibit the understanding or rendering of informed consent or anticipated compliance with scheduled visits, treatment schedule, laboratory tests and other study requirements.
Primary purpose
Allocation
Interventional model
Masking
150 participants in 6 patient groups
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Central trial contact
Amy Langdon; Hope Rugo, MD
Data sourced from clinicaltrials.gov
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