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Leave everything empty to get the most recently updated recruiting studies." }, "query": { "title": "Other terms (free text)", "type": "string", "description": "Free-text search across the whole study record, e.g. `GLP-1`, `CRISPR`, `semaglutide AND obesity`. Supports the ClinicalTrials.gov search syntax (AND, OR, NOT, quotes)." }, "intervention": { "title": "Intervention / treatment", "type": "string", "description": "Drug, device, procedure or behavioral intervention name, e.g. `pembrolizumab`, `tirzepatide`." }, "location": { "title": "Location", "type": "string", "description": "City, state, country or facility name, e.g. `Boston`, `California`, `Germany`, `Mayo Clinic`." }, "sponsor": { "title": "Sponsor / collaborator", "type": "string", "description": "Lead sponsor or collaborator name, e.g. `Pfizer`, `National Cancer Institute`." }, "leadSponsor": { "title": "Lead sponsor only", "type": "string", "description": "Only studies whose lead sponsor matches (collaborators don't count), e.g. `Pfizer`." }, "titleOrAcronym": { "title": "Title or acronym", "type": "string", "description": "Search only study titles and acronyms, e.g. `KEYNOTE` or `SURMOUNT`." }, "outcomeMeasure": { "title": "Outcome measure", "type": "string", "description": "Search primary and secondary outcome measures, e.g. `overall survival` or `HbA1c`." }, "statuses": { "title": "Recruitment status", "type": "array", "description": "Keep only studies with one of these overall statuses. Empty = any status.", "items": { "type": "string", "enum": [ "RECRUITING", "NOT_YET_RECRUITING", "ACTIVE_NOT_RECRUITING", "ENROLLING_BY_INVITATION", "COMPLETED", "SUSPENDED", "TERMINATED", "WITHDRAWN", "UNKNOWN", "AVAILABLE", "NO_LONGER_AVAILABLE", "TEMPORARILY_NOT_AVAILABLE", "APPROVED_FOR_MARKETING", "WITHHELD" ], "enumTitles": [ "Recruiting", "Not yet recruiting", "Active, not recruiting", "Enrolling by invitation", "Completed", "Suspended", "Terminated", "Withdrawn", "Unknown", "Expanded access: available", "Expanded access: no longer available", "Expanded access: temporarily not available", "Approved for marketing", "Withheld" ] } }, "phases": { "title": "Phase", "type": "array", "description": "Keep only studies in one of these phases. Empty = any phase.", "items": { "type": "string", "enum": [ "EARLY_PHASE1", "PHASE1", "PHASE2", "PHASE3", "PHASE4", "NA" ], "enumTitles": [ "Early phase 1", "Phase 1", "Phase 2", "Phase 3", "Phase 4", "Not applicable" ] } }, "studyType": { "title": "Study type", "enum": [ "ANY", "INTERVENTIONAL", "OBSERVATIONAL", "EXPANDED_ACCESS" ], "type": "string", "description": "Interventional (clinical trials), observational, or expanded access.", "default": "ANY" }, "sex": { "title": "Sex", "enum": [ "ALL", "FEMALE", "MALE" ], "type": "string", "description": "Studies open to this sex (studies open to all are included).", "default": "ALL" }, "ageGroups": { "title": "Age groups", "type": "array", "description": "Studies enrolling any of these age groups: child (under 18), adult (18-64), older adult (65+). Empty = any age.", "items": { "type": "string", "enum": [ "CHILD", "ADULT", "OLDER_ADULT" ], "enumTitles": [ "Child (birth-17)", "Adult (18-64)", "Older adult (65+)" ] } }, "acceptsHealthyVolunteers": { "title": "Accepts healthy volunteers", "type": "boolean", "description": "Keep only studies that accept healthy volunteers.", "default": false }, "funderTypes": { "title": "Funder type", "type": "array", "description": "Lead sponsor class: industry, NIH, other US federal agency, or other (universities, hospitals, foundations...). Empty = any.", "items": { "type": "string", "enum": [ "INDUSTRY", "NIH", "FED", "OTHER_GOV", "INDIV", "NETWORK", "OTHER" ], "enumTitles": [ "Industry", "NIH", "Other US federal", "Other government", "Individual", "Network", "Other (university, hospital, foundation...)" ] } }, "startDateFrom": { "title": "Started on or after", "type": "string", "description": "Only studies whose start date is on or after this date (YYYY-MM-DD)." }, "startDateTo": { "title": "Start date until", "type": "string", "description": "Only studies whose start date is on or before this date (YYYY-MM-DD)." }, "primaryCompletionDateFrom": { "title": "Primary completion from", "type": "string", "description": "Only studies whose (anticipated) primary completion date is on or after this date. Useful to find readouts coming up." }, "primaryCompletionDateTo": { "title": "Primary completion until", "type": "string", "description": "Only studies whose (anticipated) primary completion date is on or before this date." }, "firstPostedFrom": { "title": "First posted from", "type": "string", "description": "Only studies first posted on ClinicalTrials.gov on or after this date: new registrations." }, "firstPostedTo": { "title": "First posted until", "type": "string", "description": "Only studies first posted on or before this date." }, "updatedSince": { "title": "Updated on or after", "type": "string", "description": "Only studies whose record was last updated on or after this date. Ideal for scheduled monitoring runs." }, "onlyWithResults": { "title": "Only studies with posted results", "type": "boolean", "description": "Keep only studies that have results posted on ClinicalTrials.gov.", "default": false }, "nctIds": { "title": "NCT ids", "type": "array", "description": "Look up specific studies by NCT number (e.g. `NCT07010263`) or paste study URLs. Combined with any other filters you set. Ids not found are listed in the run's SUMMARY record.", "items": { "type": "string" } }, "sortBy": { "title": "Sort by", "enum": [ "relevance", "lastUpdate", "startDate", "firstPosted", "enrollment" ], "type": "string", "description": "Order of results. 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