ClinicalTrials.gov - Information on Clinical Trials and Human Research Studies

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ClinicalTrials.gov: Help

Tips: Basic Search

Enter words or phrases separated by commas. These may include, for example, diseases, treatments, locations, and names of researchers.
Examples:

heart attack
heart attack, aspirin, new york

HINT: Use Focused Search to narrow your search.

For additional information, see Help.

Search operators (all uppercase letters):

Examples:

leukemia AND chemotherapy
aspirin OR ibuprofen
immunodeficiency NOT AIDS
"heart attack"

Advanced operators: "field specification" and multi-word searches.
Examples:

heart attack [CONDITION] AND aspirin [TREATMENT] AND (maryland OR pennsylvania) [LOCATION]
lung cancer [CONDITION] AND "mayo clinic" [LOCATION]

For additional information, see Help.
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