{"uid":"cap_01osn9ieZXq6Ib-DTdr51","slug":"fittings-clinical-trial-eligibility-screener-280a66c2","name":"fittings Clinical Trial Eligibility Screener","description":"Screens open ClinicalTrials.gov studies for a condition against a patient age, sex and healthy-volunteer status, returning the trials the structured criteria do not exclude with their inclusion and exclusion criteria split out.","url":"https://fittings.sh/v1/ctgov/eligibility-screen?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["condition"],"properties":{"sex":{"type":"string","description":"FEMALE or MALE; omit to skip the sex check"},"phase":{"type":"string","description":"One of EARLY_PHASE1, PHASE1, PHASE2, PHASE3, PHASE4"},"screen":{"type":"number","description":"Studies to screen, 1-50, default 20"},"status":{"type":"string","description":"One of RECRUITING, NOT_YET_RECRUITING, ENROLLING_BY_INVITATION; default RECRUITING"},"ageYears":{"type":"number","description":"Patient age in years, 0-130; fractions allowed for infants"},"location":{"type":"string","description":"City, state or country to restrict sites to"},"condition":{"type":"string","description":"Condition or disease, e.g. melanoma"},"healthyVolunteer":{"type":"boolean","description":"True to keep only trials that accept healthy volunteers"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0149","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0149/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0149","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0149","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_db0P8k1tURX-4GSziw2y8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0149","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Screens open ClinicalTrials.gov studies for a condition against patient demographics, returning eligible trials with split inclusion/exclusion criteria.","exampleAgentPrompt":"Screen up to 20 currently recruiting ClinicalTrials.gov studies for melanoma and tell me which ones a 52-year-old female patient would not be excluded from — show me the inclusion and exclusion criteria for each.","exampleUseCases":[{"title":"Oncology patient trial matching","prompt":"My patient is a 67-year-old male with non-small cell lung cancer — can you find recruiting Phase 3 clinical trials he might qualify for based on his age and sex, and show me the inclusion and exclusion criteria for each?"},{"title":"Pediatric eligibility screening","prompt":"I need to find open clinical trials for juvenile idiopathic arthritis that a 9-year-old girl could potentially enroll in — please screen 15 studies and list what each one requires for inclusion."},{"title":"Healthy volunteer study search","prompt":"Are there any recruiting clinical trials in Boston looking for healthy volunteers for cardiovascular research? Screen up to 20 studies and only show me the ones that explicitly accept healthy volunteers."}],"resultDescription":"A list of ClinicalTrials.gov studies for the specified condition that the structured eligibility criteria do not exclude the patient from, given their age, sex, and healthy-volunteer status. Each result includes the trial identifier, title, phase, status, and the inclusion and exclusion criteria parsed out separately.","failureModes":["No matching trials found if the condition string does not match ClinicalTrials.gov terminology","Empty results if all screened trials exclude the patient based on age or sex","Invalid enum value for sex, phase, or status returns a validation error","ageYears outside 0-130 range is rejected","screen parameter outside 1-50 is rejected","ClinicalTrials.gov upstream unavailability may cause timeouts or partial results"],"whenToPreferThis":"Use this endpoint when you need structured, eligibility-pre-filtered clinical trial results from ClinicalTrials.gov without having to parse raw eligibility text yourself. It is ideal when you have a specific patient profile (age, sex, healthy-volunteer status) and want only the trials whose structured criteria do not exclude that profile. Prefer it over raw ClinicalTrials.gov API calls when the split inclusion/exclusion criteria format is needed directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:46:20.272Z","isFirstParty":false,"canonicalSlug":"fittings-clinical-trial-eligibility-screener-280a66c2"}