Study of TQB2450 in Patients With Recurrent or Metastatic Squamous Cell Cancer of the Head and Neck(R/M SCCHN)
Conditions
- Squamous Cell Carcinoma of the Head and Neck
Interventions
- DRUG: TQB2450+cisplatin or carboplatin + 5-Fluorouracil (5-FU)
- DRUG: placebo+cisplatin or carboplatin + 5-Fluorouracil (5-FU)
Sponsor
Chia Tai Tianqing Pharmaceutical Group Co., Ltd.