Neuron BioPharma SA is a Spain-based company engaged in the biotechnology sector. The Company is active in the discovery and development of pharmaceutical compounds aimed at the prevention and treatment of various neurodegenerative diseases, with a main focus in the research on Alzheimer's disease. In addition, the Company operates also in three platforms: Drug Discovery, Pre-clinical development and Clinical development. The Drug Discovery platform uses neuron and hepatic human cells for the research on chemical entities with neuroprotective and hypocholesterolemic activity; the Pre-clinical development platform analyses the bio-safety of its compounds by using cell cultures, zebrafish, mice and rats, and the Clinical development platform covers tests on humans. As of December 31, 2011, Rustrainvest SA was the Companyâ€™s major shareholder with 12% of its interest.