Where are clinical trials being run, and by whom? Search ClinicalTrials
Where are clinical trials being run, and by whom? Search ClinicalTrials.gov trial SITES by facility name, city, US state, lead sponsor company, trial phase, trial status, or trial start date (since). Returns each facility with its trial's sponsor, phase, status, and start date — a site / facility target list for trial-site services, patient-recruitment, and lab vendors. ClinicalTrials.gov public records.
1250000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-08
updated
Provider
api.govparse.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x3873d15CF3209c32aaA8d9AA542164E658567129",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1250000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "BdcZbENFdEyEUMqv9pnRMUnn1Yyeyo2dCMbYXbJ3LmaB",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "1250000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"city": "Houston",
"facility": "Cancer Center",
"state": "TX"
},
"type": "http"
},
"output": {
"example": {
"rows": [
{
"city": "Houston",
"country": "United States",
"facility_name": "Clinical Research Site",
"nct_id": "NCT06011733",
"overall_status": "RECRUITING",
"phase": "PHASE3",
"site_key": "0f1c2d3e4a5b6c7d8e9f0a1b2c3d4e5f",
"sponsor_entity_id": null,
"sponsor_name": "UCB Biopharma SRL",
"start_date": "2026-02-01",
"state": "TX"
}
],
"total_matched": 1
},
"type": "json"
}
},
"routeTemplate": "/v1/trials/sites/search",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"city": {
"description": "Site city fragment.",
"examples": [
"Houston"
],
"type": "string"
},
"facility": {
"description": "Facility / site name fragment.",
"examples": [
"Cancer Center"
],
"type": "string"
},
"limit": {
"description": "Max rows (default 25, cap 100).",
"examples": [
25
],
"type": "integer"
},
"offset": {
"description": "Rows to skip.",
"examples": [
0
],
"type": "integer"
},
"phase": {
"description": "Trial phase(s), CSV (PHASE1 | PHASE2 | PHASE3 | PHASE4).",
"examples": [
"PHASE3"
],
"type": "string"
},
"since": {
"description": "Trial started on/after this date (YYYY-MM-DD).",
"examples": [
"2026-01-01"
],
"type": "string"
},
"sort": {
"description": "start_date :asc|:desc. Default start_date:desc.",
"examples": [
"start_date:desc"
],
"type": "string"
},
"sponsor": {
"description": "Lead sponsor company — suffix/punctuation-insensitive.",
"examples": [
"Pfizer"
],
"type": "string"
},
"state": {
"description": "Site US state code(s), CSV.",
"examples": [
"TX"
],
"type": "string"
},
"status": {
"description": "Trial overall status, CSV (RECRUITING | COMPLETED | ...).",
"examples": [
"RECRUITING"
],
"type": "string"
}
},
"required": [],
"type": "object"
}
},
"type": "object"
}
}
}Use it
curl
curl "https://api.govparse.io/v1/trials/sites/search" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.govparse.io/v1/trials/sites/search");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.govparse.io/v1/trials/sites/search")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/14577.json, and this resource appears in /discovery/resources and /discovery/search.