Studies list

Performs a search and returns full studies or selected fields for a set of study records in JSON or CSV, paginated.

byClinicalTrials.gov

564calls

N/Alatency

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Call setup

Tool IDclinicaltrials_gov.studies.list.v1

Request parametersJSON

Before this Call

1 credit / call

The final charge is settled from actual provider usage and will appear in Usage.

Field reference

sortstringOptional

Sort expression.

fieldsstringOptional

Comma-separated response fields.

formatstringOptional

Response format, usually json or csv.

pageSizeintegerOptional

Number of studies per page.

query.idstringOptional

Study identifier search term, such as NCT ID.

pageTokenstringOptional

Pagination token for the next page.

aggFiltersstringOptional

Aggregation filter expression.

countTotalbooleanOptional

Whether to include total count.

filter.geostringOptional

Filter by geographic expression.

filter.idsstringOptional

Filter by study identifiers.

query.acrostringOptional

Acronym search term.

query.condstringOptional

Condition or disease search term.

query.intrstringOptional

Intervention or treatment search term.

query.leadstringOptional

Lead sponsor search term.

query.locnstringOptional

Location search term.

query.outcstringOptional

Outcome measure search term.

query.termstringOptional

General search expression.

query.sponsstringOptional

Sponsor or collaborator search term.

markupFormatstringOptional

Markup format for rich text fields.

query.titlesstringOptional

Study title search term.

query.patientstringOptional

Patient or eligibility search term.

filter.advancedstringOptional

Advanced filter expression.

filter.synonymsbooleanOptional

Enable or disable synonym expansion.

filter.overallStatusstringOptional

Filter by recruitment or study status.