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Clinical trials search
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Clinical trials search

Search ClinicalTrials.gov by condition, intervention, phase and status.

1 credit / call|search_clinical_trials

Once connected, say this to your agent

List recruiting phase 3 trials of GLP-1 agonists for heart failure.

Works withClaude · ChatGPT · Codex · Cursor · Gemini CLI · REST API
Toolssearch_clinical_trials

Example

YOU SAY TO YOUR AGENT

List registered trials of semaglutide in heart failure.

On the right: the call your agent makes and the reply it got on 2026-10-13, shortened to the first records and a few of their fields.

search_clinical_trials({
  "condition": "heart failure",
  "intervention": "semaglutide",
  "limit": 5
})

{
  "summary": "16 registered studies on ClinicalTrials.gov for condition \"heart failure\", intervention \"semaglutide\"; showing 5. Research data lookup only — not medical advice.",
  "records": [
    {
      "title": "Mechanisms of Semaglutide Therapy in Heart Failure Patients",
      "url": "https://clinicaltrials.gov/study/NCT06541509",
      "source": "clinicaltrials",
      "data": {
        "nctId": "NCT06541509",
        "status": "UNKNOWN",
        "studyType": "INTERVENTIONAL",
        "phase": "PHASE1/PHASE2",
        "conditions": [
          "Heart Failure",
          "Obesity"
        ],
        "interventions": [
          "DRUG: Semaglutide"
        ],
        "sponsor": "University Medical Centre Ljubljana",
        "enrollment": 10,
        "startDate": "2024-07-10"
      }
    }
  ],
  "credits_used": 1
}

What you get

  • NCT ID, phase, status, sponsor, outcomes

Good fit

  • Clinical research and systematic reviews

Not for

  • Patient-level data

Frequently asked questions

Your agent calls search_clinical_trials over MCP. ScholarMuse queries ClinicalTrials.gov and returns records, each with its source, licence and a link you can check.

No. It costs 1 credit per call, charged only when the call succeeds. A new account gets 50 credits once, valid for 30 days.

Claude, ChatGPT, Codex, Cursor, Gemini CLI and any other client that supports MCP.

Yes. The same tools (search_clinical_trials) are available over the REST API.