The company Sanixtra performs research of clinical studies at phases II-IV. These research and development activities help identify the most effective and the safest treatment of patients. The progress observed in this area in past decades has led to more effective treatment of many diseases and illnesses, which were considered incurable until recently. The physicians thus contribute to the development of new therapies thanks to the clinical research. Therefore, they can not only get scientific evidence, but also cure a lot of medical conditions in a more effective and safer way.