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← Clinical Trials (ClinicalTrials.gov)
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Trial counts by status

How many registered studies for a condition are recruiting, active, completed, terminated or withdrawn.

Trial counts by status 3 free / day

How many registered studies for a condition are recruiting, active, completed, terminated or withdrawn.

cost
3 free / day then $0.003 / call
MCP tool
clinical-trials__stats
method
GET

3 free calls a day, then $0.003 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/clinical-trials/stats

ParamTypeDescription
condition string Condition or disease
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/clinical-trials/stats?condition=migraine"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/clinical-trials/stats?condition=migraine"

by fourzerotwo

Report this endpoint

Use it from an AI agent (MCP)

Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.

{
  "mcpServers": {
    "fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
  }
}
# the call the agent makes
call_api {"tool": "clinical-trials__stats", "arguments": {"condition":"migraine"}}

More from Clinical Trials (ClinicalTrials.gov)

  • Search clinical trials — Find studies by condition, intervention (drug/device), location, sponsor or free text, optionally filtered by...
  • Study by NCT number — One study: title, status, phase, conditions, interventions, sponsor, enrolment, dates, eligibility basics, pri...
  • Recruiting trials near a place — Studies recruiting (or about to) for a condition in a city, region or country, with the matching trial sites.

Source: ClinicalTrials.gov, U.S. National Library of Medicine (US Government, free of charge). Reformatted by fourzerotwo; no endorsement implied.