Pan-T Booster Co-expressing MSLN CAR T Cell Therapy in Advanced/Metastatic Solid Tumors

Recruiting now · Phase 1/Phase 2

Conditions studied: Advanced or Metastatic Solid Tumors

In brief

In preclinical study, investigators have demonstrated that the newly developed pan-T booster (harbouring CD40 agonist and one T cell costimulator agonist) co-expressing MSLN CAR T cell possess more powerful antitumor activity than previously reported MSLN-CAR T cells. In this clinical trial, enrolled patients receive an initial dose of pan-T booster co-expressing MSLN CAR T cells at 1×10\^6 cells/kg based on the basic principle of dose escalation design, in order to evaluate the safety, feasibility, pharmacokinetics/pharmacodynamics, and efficacy of pan-T booster co-expressing MSLN CAR T cell in vivo.

Key facts

Study ID

NCT05693844

Run by

Chinese PLA General Hospital

People needed

15

Starts

2023-01-20

Expected to finish

2026-12-31

Last updated by the study team

2024-05-10

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 1. Age from 18 to 75 years with estimated life expectancy >3 months.
• 2. Histopathological confirmed advanced or metastatic solid tumors failed to at least first-line treatment or initially diagnosed advanced/metastatic solid tumors that have no NCCN guideline recommended standard first-line therapy. Mesothelin antigen expression percentage >＝10%.
• 3. Have at least one measurable target lesion.
• 4. Fresh solid tumor samples or formalin-fixed paraffin embedded tumor archival samples within 6 months are necessary; Fresh tumor samples are preferred. Subjects are willing to accept tumor rebiopsy in the process of this study.
• 5. Previous treatment must be completed for more than 4 weeks prior to the enrollment of this study, and subjects have recovered to <= grade 1 toxicity.
• 6. Have an Eastern Cooperative Oncology Group performance status (ECOG) of 0 or 2 at the time of enrollment.
• 7. Have adequate organ function, which should be confirmed within 2 weeks prior to the first dose of study drugs.
• 8. Previous treatment with anti-PD-1/PD-L1 antibodies are allowed.
• 9. Ability to understand and sign a written informed consent document.
• 10. Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, and up to 90 days after the last dose of the drug.

You may not qualify if…

• 1. Active, known or suspected autoimmune diseases.
• 2. Known brain metastases or active central nervous system (CNS). Subjects with CNS metastases who were treated with radiotherapy for at least 3 months prior to enrollment, have no central nervous symptoms and are off corticosteroids, are eligible for enrollment, but require a brain MRI screening.
• 3. Subjects are being treated with either corticosteroids (>10 mg daily prednisone equivalent) or other immunosuppressive medications within 14 days of enrollment.
• 4. History of severe hypersensitive reactions to other monoclonal antibodies.
• 5. History of allergy or intolerance to study drug components.
• 6. Substance abuse, medical, psychological or social conditions that may interfere with the patient's participation in the study or evaluation of the study results.
• 7. History or concurrent condition of interstitial lung disease of any grade or severely impaired pulmonary function.
• 8. Uncontrolled intercurrent illness, including ongoing or active systemic infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia (excluding insignificant sinus bradycardia and sinus tachycardia) or psychiatric illness/social situations and any other illness that would limit compliance with study requirements and jeopardize the safety of the patient.
• 9. History of human immunodeficiency virus (HIV) infection or acquired immunodeficiency syndrome (AIDS).
• 10. Pregnant or breast-feeding. Women of childbearing potential must have a pregnancy test performed within 7 days before the enrollment, and a negative result must be documented.
• 11. Previous or concurrent cancer within 3 years prior to treatment start EXCEPT for curatively treated cervical cancer in situ, non-melanoma skin cancer, superficial bladder tumors [Ta (non-invasive tumor), Tis (carcinoma in situ) and T1 (tumor invades lamina propria)].
• 12. Vaccination within 30 days of study enrollment.
• 13. Active bleeding or known hemorrhagic tendency.
• 14. Subjects with unhealed surgical wounds for more than 30 days.
• 15. Being participating any other trials or withdraw within 4 weeks.

Where it is running

• Kaichao Feng — Beijing, Beijing Municipality, China (enrolling)

Full record on ClinicalTrials.gov

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