LakeShore Biopharma Co. , Ltd, a biopharmaceutical company, engages in the discovering, developing, manufacturing, commercializing, and sale of vaccines and therapeutic biologics for infectious diseases and cancer. The company's product pipeline includes YSJA, a conventional rabies vaccine which is in marketed stage; PIKA, a rabies vaccine which are in phase I/III and preclinical trials for the treatment of rabies virus; PIKA YS-ON-001, an immuno-oncology therapeutic that is in phase I trials for the treatment of pancreatic and hepatocellular cancer; PIKA YS-HBV-001, a hepatitis B vaccine that is in phase I trials; PIKA YS-HBV-002, an immune-therapy vaccine which is in IND preclinical trials for the treatment of chronic HBV infection; and PIKA YS-ON-001 and PIKA Influenza Vaccine which are in preclinical trials. It operates in China, Singapore, the United States, and the Philippines. The company was formerly known as YS Biopharma Co. , Ltd. and changed its name to LakeShore Biopharma Co. , Ltd in May 2024. The company was founded in 2002 and is based in Beijing, China.