This is a first in human, single arm, open label, Phase 1a/1b study to determine the safety, feasibility, and efficacy of a single dose of NeoTCR-P1 T cells in participants with solid tumors.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
21
The investigational agent in this protocol is NeoTCR P1, an autologous adoptive T cell therapy (ACT) for patients with solid cancer. NeoTCR P1 is composed of apheresis derived CD8 and CD4 T cells that are precision genome engineered to express one autologous TCR of native sequence that targets a neoepitope (neoE) presented by human leukocyte antigen (HLA) receptors exclusively on the surface of that patient's tumor cells and not on other cells in the body.
Nivolumab is a human IgG4 anti-PD-1 monoclonal antibody
IL-2 is a biologic response modifier. It is a type of protein called a cytokine.
City of Hope
Duarte, California, United States
University of California, Los Angeles
Los Angeles, California, United States
University of California, Irvine Medical Center
Orange, California, United States
Incidence of adverse events as defined as DLTs
Dose limiting toxicity (DLT) is defined as protocol-defined adverse events that occur within 28 days following infusion of Neo-TCR-P1 administered as a single agent without or with IL-2, or in combination with nivolumab.
Time frame: 28 days
Number of participants with adverse events as a measure of safety and tolerability of NeoTCR-P1 or NeoTCR-P1 in combination with nivolumab
Toxicity will be classified and graded according to the National Cancer Institute's Common Terminology Criteria for Adverse Events (CTCAE, version 5.0). Cytokine release syndrome (CRS) and neurotoxicity associated with NeoTCR-P1 will be graded according to ASBMT consensus grading.
Time frame: 2 years
Maximum Tolerated Dose (MTD) of NeoTCR-P1
The MTD is defined as the highest dose with an observed incidence of DLT in no more than one out of six patients treated at a particular dose level.
Time frame: 2 years
Feasibility of manufacturing NeoTCR-P1
Percent of screened patients that enroll on study and receive NeoTCR-P1
Time frame: 2 years
Maximum concentration of NeoTCR-P1 (Cmax) in the peripheral blood
Time frame: 2 years
Area-under-the-concentration-vs-time-curve (AUC) in the peripheral blood
Time frame: 28 days
Persistence of NeoTCR-P1 in samples of peripheral blood
Time frame: 2 years
Objective Response Rate (ORR) in participants with solid tumors following infusion of NeoTCR-P1 as a single agent or in combination with nivolumab
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University of California, Davis
Sacramento, California, United States
University of California, San Francisco
San Francisco, California, United States
Northwestern University Medical Center
Chicago, Illinois, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
Tennessee Oncology
Nashville, Tennessee, United States
Fred Hutchinson Cancer Research Center
Seattle, Washington, United States
ORR will be defined as Complete Response (CR) or Partial Response (PR) per RECIST v1.1, as determined by the investigator
Time frame: 2 years
Duration of Response mediated by neoTCR-P1 administered as a single agent or in combination with nivolumab to participants with solid tumors
Duration of response, defined as time from the first occurrence of a documented objective response to the time of relapse or death from any cause
Time frame: 2 years
Progression free survival (PFS) in participants with solid tumors following infusion of NeoTCR-P1 as a single agent or in combination with nivolumab
PFS is defined from date of administration of NeoTCR-P1 cell infusion to the date of disease progression per the RECIST v1.1 or death as a result of any cause. Subjects who do not meet criteria for progression by the analysis data cut-off date will be censored at their last evaluable disease assessment date
Time frame: 2 years
Overall survival (OS) in participants with solid tumors following infusion of NeoTCR-P1 as a single agent or in combination with nivolumab
OS will be measured from the date of administration of NeoTCR-P1 to the date of death. Subjects who have not died by the analysis data cut-off date will be censored at their last date of contact.
Time frame: 2 years