YS Biopharma's PIKA Rabies Vaccine Approved for Phase 3 Clinical Trials by Philippines FDA

02 June 2023 | Friday | News

YS Biopharma Co., Ltd. (NASDAQ: YS) ("YS Biopharma" or the "Company"), a global biopharmaceutical company dedicated to discovering, developing, manufacturing, and delivering new generations of vaccines and therapeutic biologics for infectious diseases and cancer, today announced that its PIKA Rabies Vaccine (the "Vaccine") was granted Phase 3 clinical trial approval from the Food and Drug Administration of the Philippines.
Image Source : Public Domain

Image Source : Public Domain

The Phase 3 clinical trial, which is planned to commence later in 2023, is a multi-center, multi-country study designed to evaluate the safety and immunogenicity of the Company's PIKA Rabies Vaccine. The study will include approximately 4,500 subjects in the PhilippinesSingapore, and Pakistan. Pending the successful completion of Phase 3 trials, YS Biopharma intends to submit New Drug Applications or Biologics License Applications to relevant regulatory authorities in order to commercialize the PIKA Rabies Vaccine. The Company plans to launch the sales and marketing of the Vaccine in North America, as well as in countries throughout AsiaAfricaEurope, the Middle East, and Central and South America.

The PIKA Rabies Vaccine is a novel vaccine powered by YS Biopharma's proprietary PIKA adjuvant technology to induce accelerated immunity and produce a higher immune response. It was granted orphan-drug designation (ODD) by the US FDA for prevention of rabies infection including post-exposure prophylaxis (PEP) for rabies. The PIKA Rabies Vaccine has the potential to become the first accelerated three-visit one-week regimen, superior to the currently available vaccine with a five-visit one-month or three-visit three-week regimen. The Company has completed Phase 1 and Phase 2 clinical trials of the Vaccine in Singapore. Another Phase 1 trial was conducted in China to confirm the optimum dose and regimen to be used. All three clinical trials have shown that the PIKA Rabies Vaccine is safe, tolerable, and immunogenic. Recently, YS Biopharma also won approval to conduct Phase 3 clinical trials of the Vaccine in Singapore and Pakistan.

Rabies is a vaccine-preventable, zoonotic, viral disease affecting the central nervous system. It has a case-fatality rate of almost 100%, the highest among known infectious diseases, and there is currently no cure for rabies infection. According to the World Health Organization, an estimated 59,000 people die of rabies annually in over 150 countries, with 95% of cases occurring in Asia and Africa. Over 30% of rabies victims are children, and the disease remains a significant challenge to the global public health system. The devastating nature of the disease underscores the critical importance of developing a new generation of rabies vaccines that are capable of providing more effective and accelerated immune protection compared to the vaccines presently on the market.

Dr. Zenaida Mojares, Chief Medical Officer of YS Biopharma, commented, "Our recent approval to conduct Phase 3 clinical trials of our PIKA Rabies Vaccine in the Philippines is a key step in advancing the clinical development of this life-saving vaccine. Moving forward, our focus remains on generating robust clinical data that could demonstrate its clinical advantages and benefits as a new standard of care. The fight against rabies is far from over, and we will continue dedicating our innovation and expertise to this pivotal battle against a preventable tragedy."

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