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Clinical Trial Summary

The purpose of this phase Ⅱ trial was to investigate the effect of low-dose radiotherapy (LDRT) on the tumor immune microenvironment (TME) in oligometastasis, oligoprogression, and oligopersistence of non-small cell lung cancer (NSCLC) after immunotherapy. At least 20 participants will be enrolled in this study. All will take part at Hetian District People's Hospital.


Clinical Trial Description

LDRT targeting oligometastases has been shown to enhance anti-tumour immunity by reprogramming the TME, thereby improving the efficacy of immunotherapy. The aim of this study was to collect pathological tissues from oligometastasis, oligoprogression, and oligopersistence of NSCLC after immunotherapy before LDRT (5Gy/5f) and up to 24h after LDRT in order to apply multiplexed fluorescence immunohistochemistry (mIHC) for evaluation of the tumor immune microenvironment. This study will be able to investigate the effect of LDRT on TME in oligometastatic lesions of NSCLC after immunotherapy and assess the efficacy and safety of LDRT. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06331585
Study type Interventional
Source Hetian District People's Hospital
Contact
Status Withdrawn
Phase Phase 2
Start date March 18, 2024
Completion date March 18, 2026

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