Clinical Study on the EBV CAR-T /TCR-T Cells in the Treatment of Nasopharyngeal Carcinoma

Inclusion Criteria:

• Voluntary written informed consent;

• Age ≥18 years old, ≤75 years old, male and female;

• Expected survival ≥3 months;

• The Eastern Cooperative Oncology Group (ECOG) physical fitness score was 0-2;

• Ebv-positive nasopharyngeal carcinoma was diagnosed by in situ hybridization withEbers (Eber-fish) .

• Pathological Paraffin section testing (within 5 years before signing the informedconsent form) ;

• At least one measurable lesion according to RECIST v1.1 criteria for solid tumors;

• Recurrent/metastatic nasopharyngeal carcinoma patients who had previously failedsecond-line or more systemic therapy;

• An apheresis or venous access can be established and there are no othercontraindications to blood cell isolation；

• CTCAE 5.0 was lower than grade 1 in the side effects of previous anti-tumor therapy (radiotherapy, chemotherapy, targeted therapy, etc.)

• During the study period and up to 6 months after the end of the administration,fertile subjects -LRB-both male and female) were required to use effective medicalcontraception. For women of reproductive age, a pregnancy test should be performedwithin 72 hours before the first dose, and the results were negative.

Exclusion Criteria:

• Active central nervous system metastases (except those that are stable aftertreatment)；

• HIV positive, HBsAg positive and HBV DNA copy number positive (quantitativedetection ≥1000 CPS/ml) , HCV antibody positive and HCV RNA positive;

• Patients with mental or psychological disorders who can not cooperate with thetreatment and evaluation of the curative effect;

• Subjects with severe autoimmune disease and long-term use of immunosuppressants;

• Active or uncontrolled infection requiring systemic therapy was present within 14days prior to enrollment；

• Any unstable systemic disease;

• Complicated with dysfunction of important organs such as lung, brain and kidney.

• Subjects had undergone major surgery or severe trauma within 4 weeks beforereceiving cell therapy, or were expected to undergo major surgery during the studyperiod.

• Participants received their last dose of radiation or anti-tumor therapy within 4weeks of receiving the cell therapy.

• Participants had or had had other cancers that were incurable for up to 3 years,except for cervical cancer in situ or skin basal-cell carcinoma, and other cancersthat had disease-free survival of more than 5 years.

• Treated with Chimeric antigen receptor t-cell therapy within six months.

• Graft-versus-host disease (GVHD)；

• Subjects who were receiving systemic steroid therapy before screening and whorequired long-term systemic steroid therapy during treatment as determined by theinvestigator (with the exception of inhaled or topical use) ; And subjects treatedwith systemic steroids within 72 hours before cell reinfusion (except for inhalationor topical use) .

• Severe allergies or a history of allergies;

• Subjects requiring anticoagulant therapy;

• Pregnant or lactating women, or a six-month pregnancy plan (for both men and women)；

• Researchers believe there are other reasons not to include people in treatment.