A Phase II Study of Anti-PD-1 (MK-3475) Therapy in Patients With Metastatic Inflammatory Breast Cancer (IBC) or Non-IBC Triple Negative Breast Cancer (TNBC) Who Have Achieved Clinical Response or Stable Disease to Prior Chemotherapy
Overview
- Phase
- Phase 2
- Intervention
- Laboratory Biomarker Analysis
- Conditions
- Edema
- Sponsor
- M.D. Anderson Cancer Center
- Enrollment
- 71
- Locations
- 1
- Primary Endpoint
- To Assess the Efficacy of Pembrolizumab as a Single Agent in Patients With Metastatic IBC or Non-IBC TNBC
- Status
- Active, not recruiting
- Last Updated
- 3 months ago
Overview
Brief Summary
This phase II trial studies how well pembrolizumab works in treating patients with stage IV inflammatory breast cancer or triple-negative breast cancer that has spread to other places in the body (metastatic) or has come back (recurrent), and who have achieved clinical response or stable disease to prior chemotherapy. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread.
Detailed Description
PRIMARY OBJECTIVES: Primary Objective: To assess the efficacy of MK-3475 as a single agent in patients with metastatic IBC or non-IBC TNBC EXPLORATORY OBJECTIVES: 1. To investigate the association between biomarkers in the peripheral blood and tumor tissue, such as PD-L1 expression, with safety and efficacy for IBC or non-IBC TNBC patients treated with MK-3475. 2. To determine the disease control rate of metastatic IBC or non-IBC TNBC patients who have achieved clinical response or stable disease to the systemic therapy. 3. To investigate the association between biomarkers and efficacy by RNA-sequencing of exosomes in blood and tumor for IBC or non-IBC TNBC patients treated with MK-3475. 4. To investigate the 5-year OS for IBC or non-IBC TNBC patients treated with MK-3475 OUTLINE: Patients receive pembrolizumab 200mg IV over approximately 30 minutes on day 1. Cycles repeat every 21 days for 8 cycles and then pembrolizumab 400mg IV every 42 days for total up to 24 months in the absence of disease progression or unacceptable toxicity After completion of study treatment, patients are followed up at approximately 1 and 3 months.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Is willing and able to provide written informed consent for the trial
- •Is a female or male and \>/= 18 years of age
- •Has histological confirmation of HER2 normal breast carcinoma with a clinical diagnosis of IBC based on presence of inflammatory changes in the involved breast, including diffuse erythema and edema (peau d'orange), with or without an underlying palpable mass involving the majority of the skin of the breast; pathological evidence of dermal lymphatic invasion should be noted but is not required for diagnosis of inflammatory breast cancer regardless estrogen receptor (ER)/progesterone receptor (PR) status; OR has histological confirmation of triple negative breast carcinoma (HER2 normal, ER/PR \< 10%) without clinical diagnosis of IBC
- •Has stage IV or recurrent disease that has been treated
- •Has clinical response or stable disease for minimum of two months (three cycles of every three week chemotherapy or 8 weeks of weekly regimen, etc.) after receiving any prior chemotherapy for metastatic/recurrent disease; a minimum of two cycles (6-8 weeks) of chemotherapy is required to determine clinical response.
- •Per RECIST criteria 1.1, Clinical response for measurable disease is defined as complete response (CR) or partial response (PR); for non-measurable disease only (i.e. bone metastasis, ascites, pleural effusion, and pathological lymph nodes \>/= 10 to \<15 mm short axis) is defined as persistence of one or more non-target lesion(s) and no increase in overall tumor burden.
- •Is HER2 normal, defined as HER2 0 or 1+ by IHC and negative by FISH if performed; or HER2 is 2+ by IHC and negative by FISH; or HER2 negative by FISH if IHC is not performed.
- •Has a performance status of 0-1 on the Eastern Cooperative Oncology Group (ECOG) performance scale
- •Has adequate organ function as determined by the following laboratory values:
- •ANC \>/= 1000 /mcL, Platelets \>/=100,000 /mcL, Hgb \>/= 9 g/dL, creatinine levels \< 1.5 x ULN, Total bilirubin \</= 1.5 x ULN, ALT and AST \</= 2.5 x ULN or \</=5 x ULN for participants with liver metastases.
Exclusion Criteria
- •Is currently participating in a study of an investigational anti-cancer agent
- •Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy
- •Has not recovered from adverse events due to prior therapies, i.e. monoclonal antibody, chemotherapy, targeted small molecule therapy, radiation therapy, or surgery. (Note: Participants with ≤ grade 2 neuropathy, alopecia and general disorders and administration site conditions \[per Common Terminology Criteria for Adverse Events (CTCAE version 4.0) are an exception to this criterion and may qualify for the study)
- •Has a known malignancy (other than breast cancer) except basal cell carcinoma or squamous cell carcinoma of the skin, or in situ cervical cancer that has undergone potentially curative therapy
- •Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis; participants with previously treated brain metastases may participate if they are stable, and have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment
- •Has an active autoimmune disease requiring systemic treatment within the past 3 months or a documented history of clinically severe autoimmune disease, or a syndrome that requires systemic steroids or immunosuppressive agents; participants with vitiligo or resolved childhood asthma/atopy would be an exception to this rule. Participants that require intermittent use of bronchodilators or local steroid injections would not be excluded from the study. Participants with hypothyroidism stable on hormone replacement or Sjogren's syndrome will not be excluded from the study.
- •Has a history of (non-infectious) pneumonitis that required steroids or current pneumonitis
- •Has an active infection requiring systemic therapy
- •Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
- •Has received prior therapy with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, or anti-Cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) antibody (including ipilimumab or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways).
Arms & Interventions
Treatment (pembrolizumab)
Patients receive pembrolizumab 200mg IV over approximately 30 minutes on day 1. Cycles repeat every 21 days for 8 cycles and then pembrolizumab 400mg IV every 42 days for total up to 24 months in the absence of disease progression or unacceptable toxicity
Intervention: Laboratory Biomarker Analysis
Treatment (pembrolizumab)
Patients receive pembrolizumab 200mg IV over approximately 30 minutes on day 1. Cycles repeat every 21 days for 8 cycles and then pembrolizumab 400mg IV every 42 days for total up to 24 months in the absence of disease progression or unacceptable toxicity
Intervention: Pembrolizumab
Outcomes
Primary Outcomes
To Assess the Efficacy of Pembrolizumab as a Single Agent in Patients With Metastatic IBC or Non-IBC TNBC
Time Frame: 4 months from the start of therapy
The disease control rate (DCR) was assessed. The DCR was defined as the proportion of all treated patients with a lack of progression within 4 months as determined by radiologic imaging or clinical assessment.