NCT05987345 Trial of Pulsed Electric Field Therapy in Patients With Late-stage Non-small Cell Lung Cancer

Eligibility & Interventions

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This trial targets 10 participants in total. It began in 2023-07-06 with a primary completion date of 2024-07-31.

Brief Summary

The goal of this clinical trial is to verify the safety and clinical benefit of pulsed electric field(PEF) treatment of metastatic non-small cell lung cancer(NSCLC) patients with acquired resistance to anti programmed cell death protein 1(PD-1) monoclonal antibody therapy. The main questions it aims to answer are: * Safety of PEF treatment of metastatic NSCLC patients. * Control of ablated and other targeted lesions. * Local and peripheral immunoregulation effect. PEF energy will be delivered to preselected lesions of participants, then anti PD-1 will be routinely administrated if no adverse event(AE)/serious adverse event(SAE) which need medical intervention occurs.

Eligibility Criteria

Inclusion Criteria: 1. Patients over 22 years old with pathologically confirmed non-small cell lung cancer stage III-IV. 2. Patients received first-line anti PD-1 immunotherapy and had disease progression. 3. Lesions to be ablated must be ≤ 3cm in longest diameter(LD). \* The leison to be ablated can be ≤ 5cm in LD, if evaluated as possible with multiple energy delivery in a single session. 4. More than one measurable lesion according to RECIST 1.1 except PEF targeted lesions. 5. Eastern Cooperative Oncology Group(ECOG) performance status 0-1 6. Life expectancy ≥3 months 7. Fully understand the treatment plan and sign the informed consent form voluntarily. Exclusion Criteria: 1. Patients should be excluded if they received surgery within 30 days. 2. Patients should be excluded if they received any form of local treatment within 30 days. 3. Accompanied by uncontrolled metastasis of the central nervous system. 4. Have a history of severe adverse reactions to ICI. 5. With uncontrolled immune system diseases or being treated with immunosuppressants. 6. Severe abnormality of liver and kidney function, which was evaluated by the researchers as unsuitable for admission. 7. Patients with abnormal blood coagulation and antiplatelet therapy due to cardiovascular and cerebrovascular diseases should be discontinued one week before PEF treatment according to the evaluation of clinicians. 8. Accompanied by infectious diseases that cannot be effectively controlled. 9. Suffered from other severe lung diseases (including interstitial pneumonia, pulmonary fibrosis, pulmonary fibrosis with emphysema, atelectasis, etc.) 10. Patients who had severe cardiac dysfunction and had a history of arrhythmias in the past 2 years, including rapid atrial arrhythmias, any rapid ventricular arrhythmias, a history of degree II or III atrioventricular block, and sinus bradycardia with a heart rate of less than 45 beats per minute. 11. Patients who are participating in other clinical trials. 12. With a cardiac pacemaker or metal implant in the chest. 13. Women who are pregnant or lactating, or who plan to become pregnant during the study. 14. The researchers determined that there were other conditions in which patients were not suitable for enrollment. 15. Patients who have a history of receiving non-first-line anti PD-1 immunotherapy.

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