(ËstÊd i) n., pl. studâ¢ies, n. 1. application of the mind to the acquisition of knowledge, as by reading, investigation, or reflection. 2. the acquisition of knowledge or skill in a particular branch of learning, science, or art: the study of law. 3. Often, studies. a student's work at school or college: to pursue one's studies. 4. something studied or to be studied. 5. a detailed investigation and analysis of a subject, phenomenon, etc.
Rifaximin is used in the treatment of traveler's diarrhea and hepatic encephalopathy, for which it received orphan drug status from the U.S. Food and Drug Administration in 1998.linical trials have shown that rifaximin is highly effective at preventing and treating traveler's diarrhea among travelers to Mexico, with few side effects and low risk of developing antibiotic resistance.
Rituximab is a monoclonal antibody against the protein CD20, which is primarily found on the surface of immune system B cells. When it binds to this protein it triggers cell death. Rituximab was approved for medical use in 1997. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale price in the developing world as of 2014 is US$148â496 per 100 mg.