Effects of MK-3475 (Pembrolizumab) on the Breast Tumor Microenvironment in Triple Negative Breast Cancer (Pembro/IORT)
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ClinicalTrials.gov Identifier: NCT02977468 |
Recruitment Status :
Recruiting
First Posted : November 30, 2016
Last Update Posted : July 24, 2023
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Tracking Information | |||||||||
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First Submitted Date ICMJE | November 28, 2016 | ||||||||
First Posted Date ICMJE | November 30, 2016 | ||||||||
Last Update Posted Date | July 24, 2023 | ||||||||
Actual Study Start Date ICMJE | October 25, 2017 | ||||||||
Estimated Primary Completion Date | December 2023 (Final data collection date for primary outcome measure) | ||||||||
Current Primary Outcome Measures ICMJE |
Number of subjects with significant mean percent change in TILs [ Time Frame: 3 months ] This outcome measure is designed to determine if immune modulation therapy with MK-3475 will increase TILs in newly diagnosed TNBC tumors. The mean percent change in TILS in tumor tissue from initial core biopsy samples will be compared with pathology samples from definitive surgery after two cycles of MK-3475.
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Original Primary Outcome Measures ICMJE |
Number of subjects with signifcant mean percent change in TILs [ Time Frame: 3 months ] This outcome measure is designed to determine if immune modulation therapy with MK-3475 will increase TILs in newly diagnosed TNBC tumors. The mean percent change in TILS in tumor tissue from initial core biopsy samples will be compared with pathology samples from definitive surgery after two cycles of MK-3475.
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Change History | |||||||||
Current Secondary Outcome Measures ICMJE | Not Provided | ||||||||
Original Secondary Outcome Measures ICMJE | Not Provided | ||||||||
Current Other Pre-specified Outcome Measures | Not Provided | ||||||||
Original Other Pre-specified Outcome Measures | Not Provided | ||||||||
Descriptive Information | |||||||||
Brief Title ICMJE | Effects of MK-3475 (Pembrolizumab) on the Breast Tumor Microenvironment in Triple Negative Breast Cancer | ||||||||
Official Title ICMJE | Effects of MK-3475 (Pembrolizumab) on the Breast Tumor Microenvironment in Triple Negative Breast Cancer With and Without Intra-operative RT: a Window of Opportunity Study | ||||||||
Brief Summary | Assess response to pembrolizumab in both primary tumor, normal breast stroma, circulating lymphocytes and serum exosomes in treatment naive triple negative breast cancer (TNBC) patients. Assess for change in tumor-infiltrating lymphocytes (TILS) both stromal (sTILS) and intraepithelial (iTILS) in newly diagnosed early stage TNBC patients treated with two doses of MK-3475 prior to lumpectomy. |
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Detailed Description | This is an open-label, single-arm, single institution pre-operative "window of opportunity study" of pembrolizumab in subjects with newly diagnosed triple-negative, < 3 cm, node negative breast cancer. Subjects may not have received any prior neo/adjuvant chemotherapy, definitive surgery or radiation treatment prior to enrollment. The goal of this project is to determine if immune modulation through treatment with MK-3475 (Pembrolizumab) in triple negative breast cancer (TNBC) patients will alter expression of immune tolerant markers [including PD-L1], within the primary tumor. Investigators hope to determine if MK-3475 exposure will change the molecular signature of breast stroma from "normal" adjacent breast tissue (non-tumor tissue) obtained prospectively at the time of breast conserving surgery (BCS) in TNBC patients. Finally, investigators will investigate how pembrolizumab alters breast stromal response to high dose radiation delivered by intraoperative radiation therapy (IORT). |
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Study Type ICMJE | Interventional | ||||||||
Study Phase ICMJE | Phase 1 | ||||||||
Study Design ICMJE | Allocation: N/A Intervention Model: Single Group Assignment Masking: None (Open Label) Primary Purpose: Treatment |
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Condition ICMJE | Triple Negative Breast Cancer | ||||||||
Intervention ICMJE |
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Study Arms ICMJE | Experimental: Single Arm open label
Participants receive 'Merck 3475 Pembrolizumab' by vein one to two times before Intraoperative radiation therapy (IORT). The Intrabeam® Photon Radiosurgery System is a miniature electron beam-driven X-ray source which provides a point source of low energy X-rays (50 kV maximum) at the tip of a 3.2 mm diameter tube. The radiation source can be inserted into the area of interest immediately after excision of the tumor and switched on for 20-35 minutes to provide intraoperative radiotherapy accurately targeted to the tissues that are at the highest risk of local recurrence. The dosimetric characteristics and early clinical applications of this device have been well studied and this is the device which was utilized in the international TARGIT trial. Interventions:
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Publications * | Not Provided | ||||||||
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. |
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Recruitment Information | |||||||||
Recruitment Status ICMJE | Recruiting | ||||||||
Estimated Enrollment ICMJE |
15 | ||||||||
Original Estimated Enrollment ICMJE | Same as current | ||||||||
Estimated Study Completion Date ICMJE | December 31, 2024 | ||||||||
Estimated Primary Completion Date | December 2023 (Final data collection date for primary outcome measure) | ||||||||
Eligibility Criteria ICMJE | Inclusion Criteria:
Exclusion Criteria:
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Sex/Gender ICMJE |
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Ages ICMJE | 21 Years to 80 Years (Adult, Older Adult) | ||||||||
Accepts Healthy Volunteers ICMJE | No | ||||||||
Contacts ICMJE |
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Listed Location Countries ICMJE | United States | ||||||||
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Administrative Information | |||||||||
NCT Number ICMJE | NCT02977468 | ||||||||
Other Study ID Numbers ICMJE | AAAQ7863 | ||||||||
Has Data Monitoring Committee | Yes | ||||||||
U.S. FDA-regulated Product |
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IPD Sharing Statement ICMJE |
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Current Responsible Party | Eileen Connolly, Columbia University | ||||||||
Original Responsible Party | Same as current | ||||||||
Current Study Sponsor ICMJE | Eileen Connolly | ||||||||
Original Study Sponsor ICMJE | Same as current | ||||||||
Collaborators ICMJE | Merck Sharp & Dohme LLC | ||||||||
Investigators ICMJE |
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PRS Account | Columbia University | ||||||||
Verification Date | July 2023 | ||||||||
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |