Workers · Health Clinical Trials

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://x402-filings.datalayer.workers.dev/v1/health/clinical-trials", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://x402-filings.datalayer.workers.dev/v1/health/clinical-trials?condition=melanoma&intervention=pembrolizumab&limit=25&phase=PHASE3&sponsor=Novartis&stoppedOnly=true" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "analysis": {
    "note": "Only safety and efficacy stops say anything about the drug.",
    "stopReasonBreakdown": {
      "business": 5,
      "efficacy": 7,
      "funding": 2,
      "recruitment": 8,
      "safety": 3,
      "unclassified": 0
    }
  },
  "count": 25,
  "nextPageToken": null,
  "studies": [
    {
      "completionDate": "2025-11-30",
      "enrollment": 210,
      "nctId": "NCT01234567",
      "phase": "PHASE3",
      "sponsor": "Example Biotech",
      "status": "TERMINATED",
      "stopReason": "recruitment",
      "title": "Example Phase 3 Study",
      "whyStopped": "Slow accrual"
    }
  ],
  "totalMatching": 118
}