Search clinical trials

qstring nullable

Free-text query. Supports boolean operators (AND, OR, NOT) and phrase matching.

fstring nullable

Space-delimited filters in field:"value" format. Values must be double-quoted. See the Evidence tag description for examples.

pinteger

Page number

s'_relevance' | 'dates.startDate' | 'dates.completedDate' | 'dates.lastUpdatedDate'

Sort field. Options: _relevance (default), dates.startDate, dates.completedDate, dates.lastUpdatedDate

sortDir'asc' | 'desc'

Sort direction. Ignored when s is _relevance.

authorizationstring

Set to Bearer <token> to pass token for authorization.

Response

Successful Response

totalResultsinteger nullable

delaynumber nullable

resultsPerPageinteger nullable

frominteger nullable