Skip to main content
  • Dataset id: fda_clinical_trials
  • Jurisdiction: US · FDA
  • Date field: study_first_posted. The search’s top-level date_from and date_to filter on it.
  • Access: any API key.

Filters

Send these under filters.fda_clinical_trials in a search request. A filter not listed here, or a value of the wrong type, is a 400. The top-level date_from and date_to set study_first_posted_from and study_first_posted_to below, so give a date in one place only.
string
Exact NCT ID match (normalized to uppercase). Preferred when known. Example: ‘NCT04280705’.
string
Exact case-insensitive match on trial program name/acronym. Example: ‘SURPASS-1’, ‘STEP 2’.
string
Keyword match on sponsor/company name (BM25 tokenized, case-insensitive). Example: ‘Pfizer’.
string
Exact phase match (normalized to uppercase). Values: EARLY_PHASE1, PHASE1, PHASE2, PHASE3, PHASE4, NA.Values: EARLY_PHASE1, PHASE1, PHASE2, PHASE3, PHASE4, NA.
string
Exact recruitment/study status match (normalized to uppercase). 9 interventional/observational values: RECRUITING, COMPLETED, ACTIVE_NOT_RECRUITING, ENROLLING_BY_INVITATION, NOT_YET_RECRUITING, SUSPENDED, TERMINATED, UNKNOWN, WITHDRAWN. 4 expanded-access values: NO_LONGER_AVAILABLE, AVAILABLE, APPROVED_FOR_MARKETING, TEMPORARILY_NOT_AVAILABLE.Values: RECRUITING, COMPLETED, ACTIVE_NOT_RECRUITING, ENROLLING_BY_INVITATION, NOT_YET_RECRUITING, SUSPENDED, TERMINATED, UNKNOWN, WITHDRAWN, NO_LONGER_AVAILABLE, AVAILABLE, APPROVED_FOR_MARKETING, TEMPORARILY_NOT_AVAILABLE.
string (date)
Inclusive lower bound on initial publication date (Study First Posted, YYYY-MM-DD). Example: ‘2024-01-01’. Prefer this over start_date for ‘newly registered/posted’ queries.
string (date)
Inclusive upper bound on initial publication date (Study First Posted, YYYY-MM-DD). Example: ‘2024-12-31’.
string (date)
Inclusive lower bound on trial start date (YYYY-MM-DD). Example: ‘2024-01-01’.
string (date)
Inclusive upper bound on trial start date (YYYY-MM-DD). Example: ‘2024-12-31’.

Fields

Each result from this dataset has these in fields: acronym, brief_title, completion_date, conditions, has_documents, has_results, id, interventions, last_updated, locations, official_title, overall_status, phase, primary_completion_date, section_type, sponsor_class, sponsor_name, start_date, study_first_posted, study_first_submitted, study_type, url