Study by NCT number
One study: title, status, phase, conditions, interventions, sponsor, enrolment, dates, eligibility basics, primary outcomes, countries, whether results are posted.
Study by NCT number Free
One study: title, status, phase, conditions, interventions, sponsor, enrolment, dates, eligibility basics, primary outcomes, countries, whether results are posted.
- cost
- Free then $0.002 / call
- MCP tool
- clinical-trials__study
- method
- GET
Free up to 100 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/clinical-trials/study
| Param | Type | Description |
|---|---|---|
| nct_id | string | NCT number |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/clinical-trials/study?nct_id=NCT04368728" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/clinical-trials/study?nct_id=NCT04368728"
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__study", "arguments": {"nct_id":"NCT04368728"}}
More from Clinical Trials (ClinicalTrials.gov)
- Search clinical trials — Find studies by condition, intervention (drug/device), location, sponsor or free text, optionally filtered by...
- Recruiting trials near a place — Studies recruiting (or about to) for a condition in a city, region or country, with the matching trial sites.
- Trial counts by status — How many registered studies for a condition are recruiting, active, completed, terminated or withdrawn.
Source: ClinicalTrials.gov, U.S. National Library of Medicine (US Government, free of charge). Reformatted by fourzerotwo; no endorsement implied.