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Phase II Study
The phases of clinical research are the stages in which scientists conduct experiments with a health intervention to obtain sufficient evidence for a process considered effective as a medical treatment. For drug development, the clinical phases start with testing for safety in a few human subjects, then expand to many study participants (potentially tens of thousands) to determine if the treatment is effective. Clinical research is conducted on drug candidates, vaccine candidates, new medical devices, and new diagnostic assays. Summary Clinical trials testing potential medical products are commonly classified into four phases. The drug development process will normally proceed through all four phases over many years. If the drug successfully passes through Phases I, II, and III, it will usually be approved by the national regulatory authority for use in the general population. Phase IV trials are 'post-marketing' or 'surveillance' studies conducted to monitor safety over sever ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
What Are Clinical Trial Phases
What or WHAT may refer to: * What, an interrogative pronoun and adverb * "What?", one of the Five Ws used in journalism Film and television * ''What!'' (film) or ''The Whip and the Body'', a 1963 Italian film directed by Mario Bava * '' What?'' (film), a 1972 film directed by Roman Polanski * "What", the name of the second baseman in Abbott and Costello's comedy routine "Who's on First?" * "What?", the catchphrase of professional wrestler Stone Cold Steve Austin Music * ''what.'', a comedy/music album by Bo Burnham, 2013 * What Records, a UK record label * What? Records, a US record label Songs * "What" (song), by Melinda Marx, 1965 * "What?" (Rob Zombie song), 2009 * "What?" (SB19 song), 2021 * "What?", by 666 from ''The Soft Boys'' * "What", by Bassnectar from ''Vava Voom'' * "What?", by Corrosion of Conformity from '' Eye for an Eye'' * "What?", by the Move from ''Looking On'' * "What?", by A Tribe Called Quest from ''The Low-End Theory'' Science and technology * Web ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |