ClinicalTrials.gov

List all registered endpoints for one NCT ID or aggregate commonly used primary, secondary, and other outcome measures across one page of at most 25 matching studies. Aggregate results are compact and bounded; use next_page_token to continue.

Retrieve a normalized ClinicalTrials.gov study by NCT ID, including design, eligibility, outcomes, contacts, locations, and publications with nested continuation.

Retrieve posted ClinicalTrials.gov result-module metadata and linked PubMed publications for one NCT ID. Registered outcomes are distinct from posted results.

Find potentially relevant trials using non-identifying demographic and clinical eligibility criteria. Returns compact pages of at most 25 screening candidates; use next_page_token to continue and get_trial_details to review complete eligibility criteria.

Search a sponsor's ClinicalTrials.gov portfolio with optional condition, status, phase, and study-type filters for pipeline and competitive research. Returns compact pages of at most 25 studies; use next_page_token to continue or get_trial_details for a complete record.

Identify public study officials and research sites across one page of at most 25 ClinicalTrials.gov studies for investigator and site-selection research. Returns compact, bounded aggregates; use next_page_token to continue.

Search ClinicalTrials.gov by condition, intervention, location, sponsor, investigator, recruitment status, phase, study type, or advanced query syntax. Returns compact pages of at most 25 studies and 25 relevant locations per study by default; use next_page_token to continue or get_trial_details for a complete record.