Our Mission

At Prosit Sole, We Create innoative and safe protein therapeutics

We Add Value for Life


Natural Proteins are Part of Secret of Life

Being Protein Chemistry Engineers and Biologices

We construct Sigle / Dual Agonists through Innovative Platforms


At Prosit Sole

We Focus on Serious Rare Diseases and Neglected Life-threatened Virus


Epithelial Biology Stimulates Immune Responses to defense

A Recombinant Human Protein Can be the Shield of Life

Against some Neglected or Emerging Life-threatening Virus


Never Leave A Single Patient Behind

A Healthier Life For Human is Our Dream at Prosit Sole

Innovation at Prosit Sole

Prosite Sole is the proud inventor and owner of a patented Biologics discovery platform and a robust product pipeline, with 6 innovative therapeutics for a range of severe rare diseases.  Each biologics molecule is designed to be de-risked as well as likely to be speedily approvable by FDA and CFDA. The company possesses full capability of protein design by the patented P-POP protein chimeric platform, drug screening, cell banking, high quality scale-up/manufacturing, animal disease models, preclinical and clinical development.

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About Prosit Sole

Unmet Medical Needs, Our Social Responsibility


At Prosit Sole, we focus on developing innovative protein therapeutics that address the unmet medical needs for life-threatening rare diseases. Prosit Sole established an advanced Prositsole Protein Optimize Platform (P-POP), a Biologics discovery technology, patented in the US and China, that enables us to discover first-in-class or best-in-class biologics, with excellent efficacy and favorable safety profile. Currently, Prosit Sole has 4 Biologics in various stages of development, the lead product candidates are PEGINF-lchimeric (currently being pursued for IND in the US) and a FGF-18 chimeric (currently in pre-clinical development). 


Never Leave A Single Patient Behind!

At Prosit Sole we concern about any unmet medical need

Scientific Discoveries Leading to and Accompanying the Development of a Novel Antiviral INF-λ Chimer