A Single Patient Will be Treated With Individual Patient TCR-Transduced PBL

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A single patient will be treated with Individual Patient TCR-Transduced PBL

Background: -Please refer to National Cancer Institute Surgery Branch (NCI-SB) protocol 18-C-0049, Amendment F. Objective: -Under Individual Patient Expanded Access, to treat a patient with metastatic breast cancer with autologous peripheral blood lymphocytes (PBL) that have been transduced with genes encoding T-cell receptors that recognize mutated neoantigens in the autologous cancer. Eligibility: * Must have measurable, metastatic disease as assessed per RECIST v1.1 criteria. * Must sign the informed consent document. * Willing to sign Durable Power of Attorney Form. * Must have all regulatory approvals prior to start of treatment. Design: * Please refer to NCI-SB protocol 18-C-0049, Amendment F. * The patient will be treated with a non-myeloablative, lymphodepleting preparative regimen of cyclophosphamide and fludarabine, followed by the infusion of autologous transduced PBL and then high-dose aldesleukin. The patient will also receive pembrolizumab on Day -2 prior to cell administration and additional doses every 3 weeks following cell infusion until the time of disease progression.

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