Clinical trial phase

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Clinical trial phase
TermClinical trial phase
Short definitionclinical trial phase - (pronounced) (KLIH-nih-kul TRY-ul fayz) part of the clinical research process that answers specific questions about whether treatments or other interventions being studied work and are safe. Phase I studies test the best method of administering a new treatment and the best dose. 
TypeCancer terms
SpecialtyOncology
LanguageEnglish
SourceNCI
Comments


clinical trial phase - (pronounced) (KLIH-nih-kul TRY-ul fayz) part of the clinical research process that answers specific questions about whether treatments or other interventions being studied work and are safe. Phase I studies test the best method of administering a new treatment and the best dose. Phase II trials test whether a new treatment has an effect on the disease. Phase III trials compare the outcomes of people receiving a new treatment with the outcomes of people receiving the standard treatment. Phase IV trials are conducted in thousands of people after a treatment has been approved and commercialized to check for side effects not seen in the phase III trial

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