Tool detail

TrialBase DB · Search clinical trials

Searches normalized clinical trials across ClinicalTrials.gov, CTIS, EudraCT and ISRCTN by condition, intervention, sponsor, status, phase or free text.

Categories: Science health, Social media

Use when

search clinical trials by condition or intervention
filter trials by phase, status, sponsor or country
find trials registered in a specific registry such as ISRCTN

Not for

not one full record — use the get-by-id endpoint for full detail
requires a bearer token or x402/MPP payment; 401/402 otherwise

Inputs

GET query params (all optional): q, status, phase, study_type, sponsor, condition, intervention, country, registry; limit (1-100, default 20); cursor, count.

Admitted input schema

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "minLength": 0,
      "maxLength": 160
    },
    "status": {
      "type": "string",
      "minLength": 0,
      "maxLength": 40
    },
    "phase": {
      "type": "string",
      "minLength": 0,
      "maxLength": 20
    },
    "study_type": {
      "type": "string",
      "minLength": 0,
      "maxLength": 20
    },
    "sponsor": {
      "type": "string",
      "minLength": 0,
      "maxLength": 160
    },
    "condition": {
      "type": "string",
      "minLength": 0,
      "maxLength": 160
    },
    "intervention": {
      "type": "string",
      "minLength": 0,
      "maxLength": 160
    },
    "country": {
      "type": "string",
      "minLength": 0,
      "maxLength": 80
    },
    "registry": {
      "type": "string",
      "minLength": 0,
      "maxLength": 40
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "default": 20
    },
    "cursor": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Opaque keyset cursor from a previous response."
    },
    "count": {
      "type": "boolean",
      "description": "Include the total matching-record count."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.trialbase-db.org/v1/trials

Payment

Protocol: MPP
Listed price: 0.10 USDC.e per search page on Tempo.
Payment method: tempo
Network: tempo:mainnet
Asset: 0x20c000000000000000000000b9537d11c60e8b50

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: MPP directory
Record: trialbase-db GET /v1/trials
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z