This is a single-arm, open-label clinical study to evaluate the safety, tolerability and preliminary efficacy of IX001 TCR-T injection in advanced pancreatic cancer patients with KRAS G12V mutation.
This study will enroll participants with advanced pancreatic cancer patients with KRAS G12V mutation. The study consists of screening period, leukapheresis period, lymphodepletion period, treatment period, observation period and follow-up period. A total of 9-12 evaluable patients are planned to be recruited. The study is planned to be conducted using the "3 + 3" dose escalation design in two dose groups, and a single dose of the study drug will be administered at the dose levels of 3 × 10\^9 ± 30% cells and 1 × 10\^10 ± 30% cells. Subjects will be enrolled sequentially and treated by IX001 TCR-T injection at the corresponding planned dose level. All subjects who have received IX001 TCR-T injection will be followed for safety and efficacy up to 2 years.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
9
IX001 TCR-T injection will be administered intravenously after lymphodepletion.
Fludarabine is used for lymphodepletion.
Cyclophosphamide is used for lymphodepletion.
Sun Yat-sen University Cancer Center
Guangzhou, Guangdong, China
RECRUITINGDose-limiting Toxicity (DLT)
Proportion of patients with DLT
Time frame: 4 weeks
Adverse Events (AEs)
Incidence and severity of adverse events
Time frame: 2 years
Serious Adverse Events (SAEs)
Incidence and severity of serious adverse events
Time frame: 2 years
Objective Response Rate (ORR)
The percentage of participants who achieved Complete Response (CR) or Partial Response (PR) based on RECIST version 1.1
Time frame: 2 years
Disease Control Rate (DCR)
The percentage of participants who achieved Complete Response (CR) or Partial Response (PR) or Stable disease (SD) based on RECIST version 1.1
Time frame: 2 years
Changes in Serum Tumor Markers compared to Baseline
Changes of tumor markers in serum detected by immunofluorescence compared to baseline level, including carbohydrate antigen 19-9 (CA19-9), carcinoembryonic antigen (CEA), and carbohydrate antigen 12-5 (CA12-5)
Time frame: 2 years
Duration of response (DOR)
DOR is defined as the time from the first evaluation of a tumor as CR or PR to the first evaluation as progressive disease (PD) or death from any cause
Time frame: 2 years
Time to response (TTR)
TTR is defined as the time between cell infusion and initial disease assessment as CR or PR
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Time frame: 2 years
Progression-free survival (PFS)
PFS is defined as the time from the date of cell infusion until the date of tumor progression or death from any cause
Time frame: 2 years
Overall survival (OS)
OS is defined as the time between the date of cell infusion and the death of the patient for any reason
Time frame: 2 years
TCR gene copies
TCR gene copies detected by quantitative polymerase chain reaction (qPCR) in peripheral blood
Time frame: 2 years
TCR-T cell counts
TCR-T cell counts detected by flow cytometry in peripheral blood
Time frame: 2 years
Pharmacodynamic of IX001 TCR-T injection
Peak TCR-T cell count (Cmax), Time to peak (Tmax) ,Area under the peripheral blood concentration versus time curve (AUC)
Time frame: 2 years
Changes in cytokine level
Calculate the change of cytokine level in peripheral blood after IX001 TCR-T injection infusion. Cytokines include interleukin 6 (IL-6), tumor necrosis factor-alpha (TNF-α), and interferon-gamma (IFN-γ), etc
Time frame: 2 years
Changes in lymphocyte subpopulations
Calculate the change of lymphocyte subpopulations in peripheral blood by flow cytometry after IX001 TCR-T injection infusion. lymphocyte subpopulations include CD3+T cell, CD4+T cell,CD8+T cell, etc
Time frame: 2 years
Proportion of patients with anti-IX001 antibodies
Anti-IX001 TCR-T injection Antibodies in peripheral blood after IX001 TCR-T injection infusion.
Time frame: 2 years