About Biothera

Biothera is a biotechnology company dedicated to improving immune health. We are developing a natural gluco polysaccharide that engages and directs natural innate immune system responses. The company is commercializing this carbohydrate technology through two business groups:


Pharmaceutical Group.  Biothera is developing Imprime PGG®, a cancer immunotherapy drug that redirects the body’s largest population of immune cells against a wide range of cancers. Imprime is currently in multiple clinical trials for colorectal, lung and blood cancers.


Healthcare Group.  Biothera manufactures and markets patented food-grade immune health ingredients for functional food, beverage, nutritional supplement, cosmetic and animal nutrition products worldwide. Our ingredients are currently in numerous products in more than 50 countries.


Biothera was founded in 1997 and is based in Eagan, Minnesota, USA.

Site design by Checkerboard