Yaso is dedicated to the discovery and development of products to prevent the spread of sexually transmitted infections and sexually transmitted HIV.  Our current research is in the field of microbicides.

Microbicides refers to a range of different products that share one common characteristic: the ability to prevent the sexual transmission of HIV and other sexually transmitted infections (STIs) when applied topically.  A microbicide could be produced in many forms, including gels, creams, suppositories, films or as a sponge or ring that releases the active ingredient over time.

Microbicides are not yet available but would fill an important gap in our ability to prevent HIV and STIs.  Currently 6 out 10 new infections occur in women.  Today's prevention options - condoms, monogamy or celibacy - are not always a true option for millions of women.  A microbicide would allow a woman sole decision making about her health.

Estimates of the global market size for microbicides range from $1 billion to $10 billion.