The purpose of the trial is to find some biomarkers to predict the efficacy of Atezolizumab plus etoposide and platinum based chemotherapy as the first line treatment in extensive stage small cell lung cancer. Mainly observe the patient's progression free survival time after treatment.
Study Type
OBSERVATIONAL
Enrollment
60
Etoposide (100mg/㎡) Carboplatin (AUC=4) Atezolizumab(1200mg) ivgtt, every 21 days
Hunan Cancer Hospital
Changsha, Hunan, China
PFS
Progression free survival
Time frame: April 2019- July 2021
OS
Overall survival
Time frame: April 2019- July 2021
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