A Study of Camrelizumab Combined With Chemotherapy ± Thalidomide in First-line Treatment of Patients With Advanced Non-small Cell Lung Cancer (NSCLC)

"Camrelizumab + chemotherapy+Thalidomide Drug: Camrelizumab Camrelizumab 200mg intravenous (IV) on Day 1 of each 21-day cycle，until progression or unacceptable toxicity Other Name: SHR-1210~Drug: Thalidomide Thalidomide 100mg，po qd； Other Name: Thalidomide~Drug: Chemotherapy~Platinum-based chemotherapy:~Non-small cell lung cancer (non-squamous cell carcinoma): pemetrexed plus carboplatin/cisplatin on Day 1 of each 21-day cycle for 4-6 cycles，pemetrexed every three weeks (Q3W) maintenance for the remainder of the study or until documented PD; Non-small cell lung cancer (squamous cell carcinoma) : paclitaxel/albumin-bound paclitaxel + carboplatin/cisplatin on Day 1 of each 21-day cycle for 4-6 cycles.~Other Name: Platinum-based chemotherapy"

"Drug: Camrelizumab Camrelizumab 200mg intravenous (IV) on Day 1 of each 21-day cycle，until progression or unacceptable toxicity Other Name: SHR-1210~Drug: placebo 100mg placebo 100mg，po qd；~Drug: Chemotherapy~Platinum-based chemotherapy:~Non-small cell lung cancer (non-squamous cell carcinoma): pemetrexed plus carboplatin/cisplatin on Day 1 of each 21-day cycle for 4-6 cycles，pemetrexed every three weeks (Q3W) maintenance for the remainder of the study or until documented PD; Non-small cell lung cancer (squamous cell carcinoma) : paclitaxel/albumin-bound paclitaxel + carboplatin/cisplatin on Day 1 of each 21-day cycle for 4-6 cycles.~Other Name: Platinum-based chemotherapy"