18F-FDG Metabolism Imaging Monitoring Non-small Cell Lung Cancer Curative Effect of Chemotherapy Multicenter Clinical Study

18F-FDG Metabolism Imaging Monitoring Non-small Cell Lung Cancer Curative Effect of Chemotherapy Multicenter Clinical Study

18F-FDG Metabolism Imaging Monitoring Non-small Cell Lung Cancer Curative Effect of Chemotherapy Multicenter Clinical Study

The subject is going to use 18F-FDG PET/CT to assess different genetic NSCLC metabolism after cisplatin chemotherapy and targeted therapy, define the assessment criteria for the role of 18F-FDG PET/CT in NSCLC treatment respone and at last build multi-centre clinical trial platform of molecular classification and molecular imaging for cancer chemotherapy assessment.

Non-small-cell lung cancer (NSCLC) is the first leading cause of cancer death in the world. Systemic chemotherapy has contributed to the only choice for more than 50% NSCLC patients. The genetic abnormalities lead to different therapy response to the same chemotherapy scheme in NSCLC patients. At present, early assessment and prediction is the key for optimize NSCLC therapy. 18F-FDG PET/CT is a noninvasive cell metabolism reaction molecular imaging technology which can assess cancer glucose metabolism sensitively and react cancer proliferation to some degree. Hence 18F-FDG PET/CT may be used to assess NSCLC therapy response noninvasively. It is a reliable method to individualize NSCLC treatment clinically by define the appropriate metabolism response cut-off values and assess time points of 18F-FDG PET/CT in predicting different genetic NSCLC patients.The subject is going to use 18F-FDG PET/CT to assess different genetic NSCLC metabolism after cisplatin chemotherapy and targeted therapy, define the assessment criteria for the role of 18F-FDG PET/CT in NSCLC treatment respone and at last build multi-centre clinical trial platform of molecular classification and molecular imaging for cancer chemotherapy assessment.

18FDG-PET scan was performed 4 weeks before the first administration of therapy or before the third cycle chemotherapy or before the 7th week of targeted therapy and after 3 days chemotherapy and targeted therapy. The lesions were analyzed by nuclear medicine physician and calculate the metabolism response. The size of percent changes was evaluated using the EORTC (European Organization for Research and Treatment of Cancer) PET criteria by oncologist who determine whether the scheme works and the scheme should continue or change. The seleted patients were double blinded to analyse the relationship between metabolism response and chemotherapy response.

Inclusion Criteria: pathological biopsy for NSCLC; stage III-IV; plan to palliative chemotherapy (such as neoadjuvant chemotherapy, convention and targeted therapy) due to unable to surgery; not radiation therapy or chemotherapy for 6 months before enrollment; the predictive survival time more than half year; Exclusion Criteria: with diabetes and chest radiotherapy chronic disease; brain metastases patients; with secondary primary maligmant cancer in 5 years

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