Name the phase which is an exploratory, first-in-human trials conducted in accordance with the United States Food and Drug Administration's (FDA) 2006 Guidance on Exploratory Investigational New Drug (IND) Studies
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phase 1
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phase 2a
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phase 2b
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phase 3
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phase 4
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phase 0
F
Correct answer
Explanation
Phase 0 (exploratory IND) is a first-in-human trial conducted under limited human exposure, with no therapeutic intent. It's used to gather preliminary pharmacokinetic and pharmacodynamic data before traditional Phase I trials. The FDA issued specific guidance on these studies in 2006.