--- type: "firecrawl-provider" description: "ClinicalTrials.gov study registry via the public v2 REST API: search studies by condition, intervention, sponsor, location, status or Essie expression with page-token pagination; fetch one study record by NCT number; batch-resolve the raw ACTUAL/ESTIMATED start, primary-completion and completion dates for known NCT numbers; autocomplete conditions, interventions, sponsors and facilities; and read registry-wide field value statistics." use_when: "ClinicalTrials.gov study registry via the public v2 REST API: search studies by condition, intervention, sponsor, location, status or Essie expression with page-token pagination; fetch one study record by NCT number; batch-resolve the raw ACTUAL/ESTIMATED start, primary-completion and completion dates for known NCT numbers; autocomplete conditions, interventions, sponsors and facilities; and read registry-wide field value statistics." categories: "Public records" capabilities: 5 credits_per_call: 5 --- # ClinicalTrials.gov on Firecrawl Alexandria ClinicalTrials.gov study registry via the public v2 REST API: search studies by condition, intervention, sponsor, location, status or Essie expression with page-token pagination; fetch one study record by NCT number; batch-resolve the raw ACTUAL/ESTIMATED start, primary-completion and completion dates for known NCT numbers; autocomplete conditions, interventions, sponsors and facilities; and read registry-wide field value statistics. - Categories: Public records - Category index: [Public records category](https://firecrawl.dev/alexandria/agents/categories/public-records) - Provider key: `clinicaltrials-gov` - Access: Firecrawl credits - Cost: 5 credits per call ## More - [Human guide](https://firecrawl.dev/app/alexandria/clinicaltrials-gov) - [OpenAPI spec](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/openapi.json) ## Capabilities - [Field values](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/field_values): Registry-wide value statistics for up to 20 field pieces (GET /api/v2/stats/field/values): for enums and strings the distinct values with study counts, for dates and integers min/max, for booleans true/false counts, plus how many studies lack the field. Use it to learn the exact enum values (OverallStatus, Phase, StudyType, DateType, ...) accepted by search filters and Essie expressions. - [Search](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/search): Search the registry (GET /api/v2/studies). Filter by condition, intervention, sponsor, location, title, free-text Essie expression, overall status, distance from a coordinate or an advanced Essie filter. Returns one page of study summaries with raw date structs (date + ACTUAL/ESTIMATED type) and a page token for the next page. Repeat every query parameter with page_token to continue. - [Study](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/study): One study record by NCT number (GET /api/v2/studies/{nctId}). Returns the raw registry record (protocolSection, derivedSection, documentSection, annotationSection; resultsSection only when include_results is true) plus the status dates lifted out. Use fields to request a subset of module or field pieces (e.g. ["StatusModule"]) and keep the response small. - [Study dates](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/study_dates): Raw status and date metadata for up to 200 known NCT numbers in one request (GET /api/v2/studies?filter.ids=...). Each study returns overallStatus, lastKnownStatus, whyStopped, statusVerifiedDate and the start, primary-completion, completion, first-post and last-update-post date structs with their ACTUAL or ESTIMATED type exactly as the registry states them. NCT numbers the registry does not know are listed in not_found_ids; the call fails with not_found only when none of them is known. - [Suggest](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/suggest): Autocomplete a prefix against one registry dictionary (GET /api/int/suggest): Condition, InterventionName, LeadSponsorName or LocationFacility. Returns the registry's suggestion strings, which can be used verbatim as search terms. An empty list is a legitimate answer for an unknown prefix. ## 1. Choose this provider when ClinicalTrials.gov study registry via the public v2 REST API: search studies by condition, intervention, sponsor, location, status or Essie expression with page-token pagination; fetch one study record by NCT number; batch-resolve the raw ACTUAL/ESTIMATED start, primary-completion and completion dates for known NCT numbers; autocomplete conditions, interventions, sponsors and facilities; and read registry-wide field value statistics. ## 2. Minimal request Call `POST https://api.firecrawl.dev/v2/scrape` with `{ alexandria: { provider, capability, options } }`. For a batch, send `{ alexandria: [...] }` with up to 10 calls. ```json { "provider": "clinicaltrials-gov", "capability": "clinical-trials/field_values", "options": { "fields": [ "OverallStatus", "Phase", "StudyType" ] } } ``` ## 3. Add provider options Use only the options needed for the task: - `fields` (string[], required): Field pieces, e.g. ["OverallStatus", "Phase"]. Unknown names fail with invalid_input. Example: `[]` ## 4. Request through your preferred interface ### JavaScript ```javascript const result = await firecrawl.scrape({ alexandria: { provider: "clinicaltrials-gov", capability: "clinical-trials/field_values", options: { fields: [ "OverallStatus", "Phase", "StudyType", ], }, }, }); ``` ### Python ```python result = firecrawl.scrape_alexandria({ "provider": "clinicaltrials-gov", "capability": "clinical-trials/field_values", "options": { "fields": [ "OverallStatus", "Phase", "StudyType" ] } }) ``` ### cURL ```sh curl https://api.firecrawl.dev/v2/scrape \ -H "Authorization: Bearer $FIRECRAWL_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "alexandria": { "provider": "clinicaltrials-gov", "capability": "clinical-trials/field_values", "options": { "fields": [ "OverallStatus", "Phase", "StudyType" ] } } }' ``` ### CLI ```sh firecrawl scrape 'clinicaltrials-gov/clinical-trials/field_values' \ --options '{"fields":["OverallStatus","Phase","StudyType"]}' ``` ### MCP Call the FCX MCP retrieve tool with this object: ```json { "provider": "clinicaltrials-gov", "capability": "clinical-trials/field_values", "options": { "fields": [ "OverallStatus", "Phase", "StudyType" ] } } ``` Ask for only the returned fields needed by the task. ## 5. Full request shape ```json { "provider": "clinicaltrials-gov", "capability": "clinical-trials/field_values", "options": { "fields": [ "OverallStatus", "Phase", "StudyType" ] } } ``` ## 6. Response data The response includes `success`, `provider`, `capability`, `creditsCost` and `data`. This example shows the provider payload in `data`: ```json { "api_url": "https://clinicaltrials.gov/api/v2/stats/field/values?fields=OverallStatus,Phase,StudyType", "fields": [ { "field": "protocolSection.statusModule.overallStatus", "missing_studies_count": 0, "piece": "OverallStatus", "stats": {}, "top_values": [ { "studies_count": 330531, "value": "COMPLETED" }, { "studies_count": 96809, "value": "UNKNOWN" }, { "studies_count": 65114, "value": "RECRUITING" }, { "studies_count": 34392, "value": "TERMINATED" }, { "studies_count": 30030, "value": "NOT_YET_RECRUITING" }, { "studies_count": 22152, "value": "ACTIVE_NOT_RECRUITING" }, { "studies_count": 16820, "value": "WITHDRAWN" }, { "studies_count": 5270, "value": "ENROLLING_BY_INVITATION" }, { "studies_count": 1781, "value": "SUSPENDED" }, { "studies_count": 983, "value": "WITHHELD" }, { "studies_count": 536, "value": "NO_LONGER_AVAILABLE" }, { "studies_count": 253, "value": "AVAILABLE" }, { "studies_count": 243, "value": "APPROVED_FOR_MARKETING" }, { "studies_count": 36, "value": "TEMPORARILY_NOT_AVAILABLE" } ], "type": "ENUM", "unique_values_count": 14 }, { "field": "protocolSection.designModule.phases", "missing_studies_count": 143397, "piece": "Phase", "stats": {}, "top_values": [ { "studies_count": 237711, "value": "NA" }, { "studies_count": 90396, "value": "PHASE2" }, { "studies_count": 65846, "value": "PHASE1" }, { "studies_count": 49946, "value": "PHASE3" }, { "studies_count": 35871, "value": "PHASE4" }, { "studies_count": 6493, "value": "EARLY_PHASE1" } ], "type": "ENUM", "unique_values_count": 6 }, { "field": "protocolSection.designModule.studyType", "missing_studies_count": 983, "piece": "StudyType", "stats": {}, "top_values": [ { "studies_count": 461679, "value": "INTERVENTIONAL" }, { "studies_count": 141220, "value": "OBSERVATIONAL" }, { "studies_count": 1068, "value": "EXPANDED_ACCESS" } ], "type": "ENUM", "unique_values_count": 3 } ], "observed_at_ms": 1790705156544 } ``` ## API reference-derived contract The following capability contract is generated from the same normalized Alexandria API reference exposed in the API spec. ### Field values - Capability: `clinical-trials/field_values` - Description: Registry-wide value statistics for up to 20 field pieces (GET /api/v2/stats/field/values): for enums and strings the distinct values with study counts, for dates and integers min/max, for booleans true/false counts, plus how many studies lack the field. Use it to learn the exact enum values (OverallStatus, Phase, StudyType, DateType, ...) accepted by search filters and Essie expressions. - Instructions: You need the valid values of a registry field or the distribution of a field across all studies. - Cost: 5 credits per call - Capability file: [Field values](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/field_values) Accepted options: - `fields` (string[], required): Field pieces, e.g. ["OverallStatus", "Phase"]. Unknown names fail with invalid_input. Example: `[]` Response schema example: ```json { "api_url": "https://clinicaltrials.gov/api/v2/stats/field/values?fields=OverallStatus,Phase,StudyType", "fields": [ { "field": "protocolSection.statusModule.overallStatus", "missing_studies_count": 0, "piece": "OverallStatus", "stats": {}, "top_values": [ { "studies_count": 330531, "value": "COMPLETED" }, { "studies_count": 96809, "value": "UNKNOWN" }, { "studies_count": 65114, "value": "RECRUITING" }, { "studies_count": 34392, "value": "TERMINATED" }, { "studies_count": 30030, "value": "NOT_YET_RECRUITING" }, { "studies_count": 22152, "value": "ACTIVE_NOT_RECRUITING" }, { "studies_count": 16820, "value": "WITHDRAWN" }, { "studies_count": 5270, "value": "ENROLLING_BY_INVITATION" }, { "studies_count": 1781, "value": "SUSPENDED" }, { "studies_count": 983, "value": "WITHHELD" }, { "studies_count": 536, "value": "NO_LONGER_AVAILABLE" }, { "studies_count": 253, "value": "AVAILABLE" }, { "studies_count": 243, "value": "APPROVED_FOR_MARKETING" }, { "studies_count": 36, "value": "TEMPORARILY_NOT_AVAILABLE" } ], "type": "ENUM", "unique_values_count": 14 }, { "field": "protocolSection.designModule.phases", "missing_studies_count": 143397, "piece": "Phase", "stats": {}, "top_values": [ { "studies_count": 237711, "value": "NA" }, { "studies_count": 90396, "value": "PHASE2" }, { "studies_count": 65846, "value": "PHASE1" }, { "studies_count": 49946, "value": "PHASE3" }, { "studies_count": 35871, "value": "PHASE4" }, { "studies_count": 6493, "value": "EARLY_PHASE1" } ], "type": "ENUM", "unique_values_count": 6 }, { "field": "protocolSection.designModule.studyType", "missing_studies_count": 983, "piece": "StudyType", "stats": {}, "top_values": [ { "studies_count": 461679, "value": "INTERVENTIONAL" }, { "studies_count": 141220, "value": "OBSERVATIONAL" }, { "studies_count": 1068, "value": "EXPANDED_ACCESS" } ], "type": "ENUM", "unique_values_count": 3 } ], "observed_at_ms": 1790705156544 } ``` ### Search - Capability: `clinical-trials/search` - Description: Search the registry (GET /api/v2/studies). Filter by condition, intervention, sponsor, location, title, free-text Essie expression, overall status, distance from a coordinate or an advanced Essie filter. Returns one page of study summaries with raw date structs (date + ACTUAL/ESTIMATED type) and a page token for the next page. Repeat every query parameter with page_token to continue. - Instructions: Discover NCT numbers for a topic before calling study or study_dates; list trials by sponsor, status or location. - Cost: 5 credits per call - Capability file: [Search](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/search) Accepted options: - `advanced_filter` (string): Essie filter expression applied after the query (filter.advanced), e.g. AREA[StartDateType]ESTIMATED. Example: `` - `agg_filters` (string): Facet filters as the site encodes them (aggFilters), e.g. "phase:3,status:rec". Pattern: ^[a-zA-Z]+:[a-zA-Z0-9_ ]+(,[a-zA-Z]+:[a-zA-Z0-9_ ]+)*$. Example: `` - `condition` (string): Condition or disease (query.cond), e.g. "Breast Cancer". Essie syntax allowed. Example: `` - `intervention` (string): Intervention or treatment (query.intr), e.g. "Pembrolizumab". Example: `` - `location` (string): Location terms: city, state, country or facility (query.locn), e.g. "Boston". Example: `` - `near` (object): Only studies with a site within the radius of the coordinate (filter.geo=distance(lat,lon,radius)). Example: `{}` - `page_size` (number): Studies per page (the API accepts up to 1000; capped at 100 here). Example: `10` - `page_token` (string): next_page_token from the previous page. Send the same query parameters again. Pattern: ^[A-Za-z0-9_-]+$. Example: `` - `sort` (string): Sort by a field piece with optional direction, e.g. "LastUpdatePostDate:desc", or "@relevance" (default when a query is given). Pattern: ^(@relevance|[A-Za-z][A-Za-z0-9]*(:(asc|desc))?)$. Example: `` - `sponsor` (string): Sponsor or collaborator name (query.spons), e.g. "Merck". Example: `` - `status` (string[]): Overall status filter (filter.overallStatus); any of the listed values matches. Example: `[]` - `term` (string): Other terms searched across the record (query.term). Accepts Essie expressions such as AREA[StartDate]RANGE[2025-01-01,MAX]. Example: `` - `title` (string): Words in the brief or official title, or acronym (query.titles). Example: `` Response schema example: ```json { "api_url": "https://clinicaltrials.gov/api/v2/studies?query.cond=Breast%20Cancer&query.intr=Pembrolizumab&fields=NCTId,BriefTitle,OfficialTitle,Acronym,OverallStatus,WhyStopped,StudyType,Phase,Condition,InterventionName,InterventionType,LeadSponsorName,LeadSponsorClass,StartDateStruct,PrimaryCompletionDateStruct,CompletionDateStruct,StudyFirstPostDateStruct,LastUpdatePostDateStruct,EnrollmentInfo,HasResults,LocationCountry&countTotal=true&pageSize=3", "next_page_token": "ZVNj7o2Elu8o3lpwUd7_5bbumpOQJJxsY_Cl1Pg", "observed_at_ms": 1790705160120, "source_url": "https://clinicaltrials.gov/search?cond=Breast%20Cancer&intr=Pembrolizumab", "studies": [ { "acronym": null, "brief_title": "Safety and Efficacy of p53 Gene Therapy Combined With Immune Checkpoint Inhibitors in Solid Tumors.", "completion_date": { "date": "2022-12-31", "type": "ESTIMATED" }, "conditions": [ "Solid Tumor", "Lymphoma" ], "countries": [ "United States" ], "enrollment": { "count": 40, "type": "ESTIMATED" }, "has_results": false, "interventions": [ { "name": "Ad-p53", "type": "DRUG" } ], "last_update_post_date": { "date": "2020-06-09", "type": "ACTUAL" }, "lead_sponsor": { "class": "INDUSTRY", "name": "MultiVir, Inc." }, "nct_id": "NCT03544723", "official_title": "A Phase 2, Multi-Center, Open Label Study to Evaluate Adenoviral p53 (Ad-p53) in Combination With Immune Checkpoint Inhibitor Therapy in Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma and Other Tumors Approved for Anti-PD-1 or Anti-PD-L1 Therapy", "overall_status": "UNKNOWN", "phases": [ "PHASE2" ], "primary_completion_date": { "date": "2022-06-30", "type": "ESTIMATED" }, "source_url": "https://clinicaltrials.gov/study/NCT03544723", "start_date": { "date": "2018-10-01", "type": "ACTUAL" }, "study_first_post_date": { "date": "2018-06-04", "type": "ACTUAL" }, "study_type": "INTERVENTIONAL", "why_stopped": null }, { "acronym": null, "brief_title": "A Phase II Study Evaluating the Efficacy and Safety of Pembrolizumab in Combination With Chemotherapy as Neoadjuvant Therapy for Triple-negative Breast Cancer", "completion_date": { "date": "2024-06-01", "type": "ESTIMATED" }, "conditions": [ "Breast Cancer" ], "countries": [ "China" ], "enrollment": { "count": 26, "type": "ESTIMATED" }, "has_results": false, "interventions": [ { "name": "Pembrolizumab", "type": "DRUG" }, { "name": "Paclitaxel", "type": "DRUG" }, { "name": "Epirubicin", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" } ], "last_update_post_date": { "date": "2023-01-12", "type": "ACTUAL" }, "lead_sponsor": { "class": "OTHER", "name": "Cancer Institute and Hospital, Chinese Academy of Medical Sciences" }, "nct_id": "NCT05681728", "official_title": "A Phase II Study Evaluating the Efficacy and Safety of Pembrolizumab in Combination With Chemotherapy as Neoadjuvant Therapy for Triple-negative Breast Cancer", "overall_status": "UNKNOWN", "phases": [ "PHASE2" ], "primary_completion_date": { "date": "2024-02-01", "type": "ESTIMATED" }, "source_url": "https://clinicaltrials.gov/study/NCT05681728", "start_date": { "date": "2022-02-01", "type": "ACTUAL" }, "study_first_post_date": { "date": "2023-01-12", "type": "ACTUAL" }, "study_type": "INTERVENTIONAL", "why_stopped": null }, { "acronym": null, "brief_title": "A Study of LY3435151 in Participants With Solid Tumors", "completion_date": { "date": "2020-03-05", "type": "ACTUAL" }, "conditions": [ "Solid Tumor", "Triple-negative Breast Cancer", "Gastric Adenocarcinoma", "Head and Neck Squamous Cell Carcinoma", "Cervical Carcinoma", "High Grade Serous Ovarian Carcinoma", "Hepatocellular Carcinoma", "Undifferentiated Pleomorphic Sarcoma", "Leiomyosarcoma" ], "countries": [ "United States", "Japan" ], "enrollment": { "count": 2, "type": "ACTUAL" }, "has_results": true, "interventions": [ { "name": "LY3435151", "type": "DRUG" }, { "name": "Pembrolizumab", "type": "DRUG" } ], "last_update_post_date": { "date": "2021-08-31", "type": "ACTUAL" }, "lead_sponsor": { "class": "INDUSTRY", "name": "Eli Lilly and Company" }, "nct_id": "NCT04099277", "official_title": "A Phase 1a/1b Study of LY3435151 Administered to Patients With Advanced Solid Tumors", "overall_status": "TERMINATED", "phases": [ "PHASE1" ], "primary_completion_date": { "date": "2020-03-05", "type": "ACTUAL" }, "source_url": "https://clinicaltrials.gov/study/NCT04099277", "start_date": { "date": "2019-10-28", "type": "ACTUAL" }, "study_first_post_date": { "date": "2019-09-23", "type": "ACTUAL" }, "study_type": "INTERVENTIONAL", "why_stopped": "Study terminated due to strategic business decision by Eli Lilly and Company." } ], "total_count": 339 } ``` ### Study - Capability: `clinical-trials/study` - Description: One study record by NCT number (GET /api/v2/studies/{nctId}). Returns the raw registry record (protocolSection, derivedSection, documentSection, annotationSection; resultsSection only when include_results is true) plus the status dates lifted out. Use fields to request a subset of module or field pieces (e.g. ["StatusModule"]) and keep the response small. - Instructions: You have an NCT number (from search, a pasted clinicaltrials.gov/study URL or elsewhere) and need the full protocol, eligibility, locations, outcomes or posted results. - Cost: 5 credits per call - Capability file: [Study](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/study) Accepted options: - `fields` (string[]): Field pieces to return (names from /api/v2/studies/metadata, e.g. StatusModule, IdentificationModule, EligibilityModule, ResultsSection). Default: every section except results. Example: `[]` - `include_results` (boolean): Include resultsSection (posted results; can be megabytes) when fields is not given. Example: `false` - `nct_id` (string): NCT number, e.g. NCT05159778. Mutually exclusive with url. Pattern: ^[Nn][Cc][Tt][0-9]{8}$. Example: `<nct_id>` - `url` (string): A clinicaltrials.gov/study/NCT... or classic ct2/show/NCT... URL. Mutually exclusive with nct_id. Pattern: ^https?://. Example: `<url>` Response schema example: ```json { "api_url": "https://clinicaltrials.gov/api/v2/studies/NCT05159778?fields=IdentificationModule,StatusModule,HasResults,NCTId", "brief_title": "Phase 2 Study of Imprime PGG and Pembrolizumab in Patients With HR+/HER2- Metastatic Breast Cancer (mBCA)", "completion_date": { "date": "2023-04-12", "type": "ACTUAL" }, "has_results": false, "nct_id": "NCT05159778", "observed_at_ms": 1790705145940, "overall_status": "COMPLETED", "primary_completion_date": { "date": "2023-03-22", "type": "ACTUAL" }, "record": { "hasResults": false, "protocolSection": { "identificationModule": { "briefTitle": "Phase 2 Study of Imprime PGG and Pembrolizumab in Patients With HR+/HER2- Metastatic Breast Cancer (mBCA)", "nctId": "NCT05159778", "officialTitle": "A Multicenter, Open-label, Phase 2 Study of Imprime PGG and Pembrolizumab in Patients With Metastatic Breast Cancer (mBCA) Who Have Progressed Through Prior Hormonal Therapy", "orgStudyIdInfo": { "id": "PGG-BCA2121 / MK-3475-C99" }, "organization": { "class": "INDUSTRY", "fullName": "HiberCell, Inc." } }, "statusModule": { "completionDateStruct": { "date": "2023-04-12", "type": "ACTUAL" }, "expandedAccessInfo": { "hasExpandedAccess": false }, "lastUpdatePostDateStruct": { "date": "2023-06-22", "type": "ACTUAL" }, "lastUpdateSubmitDate": "2023-06-19", "overallStatus": "COMPLETED", "primaryCompletionDateStruct": { "date": "2023-03-22", "type": "ACTUAL" }, "startDateStruct": { "date": "2021-11-09", "type": "ACTUAL" }, "statusVerifiedDate": "2022-07", "studyFirstPostDateStruct": { "date": "2021-12-16", "type": "ACTUAL" }, "studyFirstSubmitDate": "2021-11-10", "studyFirstSubmitQcDate": "2021-12-02" } } }, "source_url": "https://clinicaltrials.gov/study/NCT05159778", "start_date": { "date": "2021-11-09", "type": "ACTUAL" } } ``` ### Study dates - Capability: `clinical-trials/study_dates` - Description: Raw status and date metadata for up to 200 known NCT numbers in one request (GET /api/v2/studies?filter.ids=...). Each study returns overallStatus, lastKnownStatus, whyStopped, statusVerifiedDate and the start, primary-completion, completion, first-post and last-update-post date structs with their ACTUAL or ESTIMATED type exactly as the registry states them. NCT numbers the registry does not know are listed in not_found_ids; the call fails with not_found only when none of them is known. - Instructions: You already have NCT numbers and need to know whether their start and primary completion dates are actual or estimated, or their current status. - Cost: 5 credits per call - Capability file: [Study dates](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/study_dates) Accepted options: - `nct_ids` (string[], required): NCT numbers to resolve. Duplicates are collapsed. Example: `[]` Response schema example: ```json { "api_url": "https://clinicaltrials.gov/api/v2/studies?filter.ids=NCT05159778,NCT03544723,NCT05681728&fields=NCTId,OverallStatus,LastKnownStatus,WhyStopped,StatusVerifiedDate,StartDateStruct,PrimaryCompletionDateStruct,CompletionDateStruct,StudyFirstPostDateStruct,LastUpdatePostDateStruct&countTotal=true&pageSize=1000", "found_count": 3, "not_found_ids": [], "observed_at_ms": 1790705149522, "requested_count": 3, "studies": [ { "completion_date": { "date": "2023-04-12", "type": "ACTUAL" }, "last_known_status": null, "last_update_post_date": { "date": "2023-06-22", "type": "ACTUAL" }, "nct_id": "NCT05159778", "overall_status": "COMPLETED", "primary_completion_date": { "date": "2023-03-22", "type": "ACTUAL" }, "source_url": "https://clinicaltrials.gov/study/NCT05159778", "start_date": { "date": "2021-11-09", "type": "ACTUAL" }, "status_verified_date": "2022-07", "study_first_post_date": { "date": "2021-12-16", "type": "ACTUAL" }, "why_stopped": null }, { "completion_date": { "date": "2022-12-31", "type": "ESTIMATED" }, "last_known_status": "RECRUITING", "last_update_post_date": { "date": "2020-06-09", "type": "ACTUAL" }, "nct_id": "NCT03544723", "overall_status": "UNKNOWN", "primary_completion_date": { "date": "2022-06-30", "type": "ESTIMATED" }, "source_url": "https://clinicaltrials.gov/study/NCT03544723", "start_date": { "date": "2018-10-01", "type": "ACTUAL" }, "status_verified_date": "2020-06", "study_first_post_date": { "date": "2018-06-04", "type": "ACTUAL" }, "why_stopped": null }, { "completion_date": { "date": "2024-06-01", "type": "ESTIMATED" }, "last_known_status": "RECRUITING", "last_update_post_date": { "date": "2023-01-12", "type": "ACTUAL" }, "nct_id": "NCT05681728", "overall_status": "UNKNOWN", "primary_completion_date": { "date": "2024-02-01", "type": "ESTIMATED" }, "source_url": "https://clinicaltrials.gov/study/NCT05681728", "start_date": { "date": "2022-02-01", "type": "ACTUAL" }, "status_verified_date": "2022-12", "study_first_post_date": { "date": "2023-01-12", "type": "ACTUAL" }, "why_stopped": null } ] } ``` ### Suggest - Capability: `clinical-trials/suggest` - Description: Autocomplete a prefix against one registry dictionary (GET /api/int/suggest): Condition, InterventionName, LeadSponsorName or LocationFacility. Returns the registry's suggestion strings, which can be used verbatim as search terms. An empty list is a legitimate answer for an unknown prefix. - Instructions: Normalize a drug, condition, sponsor or facility name to the spelling the registry uses before searching. - Cost: 5 credits per call - Capability file: [Suggest](https://firecrawl.dev/alexandria/agents/providers/clinicaltrials-gov/clinical-trials/suggest) Accepted options: - `dictionary` (string): dictionary Example: `Condition` - `input` (string, required): Prefix or partial name, e.g. "pembro". Example: `<input>` Response schema example: ```json { "api_url": "https://clinicaltrials.gov/api/int/suggest?input=pembro&dictionary=InterventionName", "count": 5, "dictionary": "InterventionName", "input": "pembro", "observed_at_ms": 1790705152983, "suggestions": [ "Pembrolizumab", "Pembrolizumab KEYTRUDA®", "Pembrolizumab Injection", "Pembrolizumab Injection \\[Keytruda\\]", "Pembrolizumab 200 mg" ] } ```