Which companies are running clinical trials, and at what stage?
Which companies are running clinical trials, and at what stage? Search ClinicalTrials.gov interventional industry-sponsored studies by lead sponsor, phase, status, condition, intervention type, a US state with a site, first-posted date (since), start date, or completion date. Returns the sponsor (entity-resolved where possible), phase, status, conditions, enrollment, and dates — a developer target list for CRO, trial-software, and commercial-ops sellers. ClinicalTrials.gov public records.
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.govparse.io/v1/trials/search
| Category | Code and developer |
|---|---|
| Provider host | api.govparse.io |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $1.25 | 256 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"phase": "PHASE3",
"sponsor": "Regeneron",
"status": "RECRUITING"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"completed_after": {
"description": "Study completion on/after this date (YYYY-MM-DD).",
"examples": [
"2026-01-01"
],
"type": "string"
},
"condition": {
"description": "Indication / condition fragment.",
"examples": [
"psoriasis"
],
"type": "string"
},
"entity_id": {
"description": "Resolved sponsor employer entity UUID (pivots to business360).",
"examples": [
"b7f3e2d1-4a5c-4e6f-8a9b-0c1d2e3f4a5b"
],
"type": "string"
},
"intervention_type": {
"description": "Intervention type, CSV (DRUG | DEVICE | BIOLOGICAL | ...).",
"examples": [
"DRUG"
],
"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 | EARLY_PHASE1).",
"examples": [
"PHASE3"
],
"type": "string"
},
"since": {
"description": "First posted to the registry on/after this date (YYYY-MM-DD).",
"examples": [
"2026-01-01"
],
"type": "string"
},
"sort": {
"description": "first_posted_date | start_date | completion_date | last_update_date :asc|:desc. Default first_posted_date:desc.",
"examples": [
"start_date:desc"
],
"type": "string"
},
"sponsor": {
"description": "Lead sponsor company \u2014 suffix/punctuation-insensitive.",
"examples": [
"Regeneron"
],
"type": "string"
},
"started_after": {
"description": "Study start on/after this date (YYYY-MM-DD).",
"examples": [
"2026-01-01"
],
"type": "string"
},
"state": {
"description": "Has a trial site in these US state code(s), CSV.",
"examples": [
"TX"
],
"type": "string"
},
"status": {
"description": "Overall status, CSV (RECRUITING | COMPLETED | TERMINATED | ...).",
"examples": [
"RECRUITING"
],
"type": "string"
}
},
"required": [],
"type": "object"
}
},
"type": "object"
}