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Phases of clinical research

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 drug safety in a few human subjects, then expand to many study participants (potentially…

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Description

Preclinical studies

Phase 0

Phase I

Phase II

Failure rate

Phase III

Cost of trials by phases

Phase IV

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Phases of clinical research

Nodes76
Edges75
Triples3
Avg. degree1.97
Density0.026316
Components1

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Important terminology

phase drug trials studies clinical iii safety dose ii trial participants study efficacy phases usually designed subjects drugs patients may

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
FDAinstance ofto obtain approval from the appropriate regulatory agencies0.80text
pregnant womeninstance ofor on certain population groups0.80text
who are unlikely to subject themselves to trialsinstance ofor on certain population groups0.80text

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