Multiple solid tumors have positive targets of mesothelin expressed on the surfaces of the tumor cells, we use the technique of CRISPR-Cas9 to knocked out the PD-1 and TCR of chimeric antigen receptor (CAR) T cells to effect the immuno-microenvironment around tumors.
1. To evaluate the feasibility and safety of CRISPR-Cas9 mediated PD-1 and TCR gene-knocked out chimeric antigen receptor (CAR) T cells in patients with mesothelin positive multiple solid tumors. 2. To evaluate the duration of in vivo persistence of transferred CAR-T cells. 3. To observe and measure anti-tumor responses for patients with detectable mesothelin positive tumor lesions.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
10
Cells will be infused on day 0.
Biotherapeutic Department and Hematology Department of Chinese PLA General Hospital
Beijing, China
RECRUITINGstudy of related adverse events
Grade 3 signs/symptoms, toxicities and clinical
Time frame: 24 weeks
clinical responses to anti-mesothelin cell infusions
Disease control rate(DCR)
Time frame: 24 weeks
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