{ "openapi": "3.0.1", "info": { "title": "ClinicalTrials.gov Search (Official API)", "description": "Search and export clinical trials from the official ClinicalTrials.gov API v2. No API key needed. Public domain U.S. government data. 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Leave empty for all statuses.", "items": { "type": "string", "enum": [ "NOT_YET_RECRUITING", "RECRUITING", "ENROLLING_BY_INVITATION", "ACTIVE_NOT_RECRUITING", "SUSPENDED", "TERMINATED", "COMPLETED", "WITHDRAWN", "UNKNOWN" ] }, "default": [] }, "phases": { "title": "Trial phase", "type": "array", "description": "Keep only studies in these phases. Leave empty for all phases.", "items": { "type": "string", "enum": [ "EARLY_PHASE1", "PHASE1", "PHASE2", "PHASE3", "PHASE4", "NA" ] }, "default": [] }, "studyType": { "title": "Study type", "enum": [ "INTERVENTIONAL", "OBSERVATIONAL", "EXPANDED_ACCESS" ], "type": "string", "description": "Keep only this study type. Leave empty for all types." }, "maxResults": { "title": "Maximum results", "minimum": 1, "maximum": 10000, "type": "integer", "description": "Maximum number of studies to return. 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