Medesis Pharma S.A., a clinical development stage biopharmaceutical company, engages in the development of orally administered molecule drug candidates to address unmet medical needs. Its products include NanoLithium (NP03), a clinical stage development product for the treatment of Alzheimer's disease; NanosiRNA DH for the treatment of Huntington's Disease; NU01 Plutonium and NU02 Cesium decorporation products for nuclear decorporation; a radioprotection drug to treat people irradiated following a civil or military nuclear accident (NP02 – NanoManganese); NanosiRNA COVID-19, an antiviral treatment solution for viral diseases; and NanosiRNA Resistant cancers and NanosiRNA Oncolytic virus for the treatment of oncology. The company was founded in 2003 and is based in Montpellier, France.