CSPC Pharmaceutical Starts Phase I Trial of SYS6057 RSV Vaccine in China

• CSPC Pharmaceutical Group announced on November 2, 2026, the launch of a Phase I trial in China for RSV vaccine SYS6057.
• The trial will assess safety and immune response in adults aged 18 or older; participant recruitment and screening are underway.
• Chinese regulators cleared the clinical trial in July 2026; the study is randomized, blinded and placebo-controlled.
• SYS6057 targets lower respiratory tract disease caused by RSV infection.
• Preclinical results reported in the announcement showed protection against both RSV subtypes, strong neutralizing antibody activity and durable immune protection.

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