Clinical Trial, Phase II
Also known asClinical Trial, Phase 2
Definition
Work that is a report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques based on several hundred volunteers, including a limited number of patients, and conducted over a period of about two years in either the United States or a foreign country.
MeSH classification
- V03.175.250.200
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Clinical Trial, Phase I
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Clinical Trial, Phase III
Work that is a report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or prophyl…
Clinical Trial, Phase IV
Work that is a report of a planned post-marketing study of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques that have …
Controlled Clinical Trial
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Trial that aims to show a new treatment is no better and no worse than the standard treatment.
Human Challenge Trials
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Source: NIH MeSH 2026 (D017427) — National Library of Medicine, public domain. View official MeSH record ↗