Pricing

from $0.01 / 1,000 results

ClinicalTrials.gov API - Clinical Study Data

ClinicalTrials.gov API - Clinical Study Data & Trial Registry Access ClinicalTrials.gov data for clinical studies worldwide. Search trials by condition, intervention, sponsor, phase, or location. Track drug development pipelines and find recruiting studies.

Pricing

from $0.01 / 1,000 results

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The Howlers

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12 days ago

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ClinicalTrials.gov API - Clinical Study Data & Trial Registry

Access ClinicalTrials.gov data for clinical studies worldwide. Search trials by condition, intervention, sponsor, phase, or location. Get detailed protocol information, eligibility criteria, and study results.

Quick Start

Test with Demo Mode (free, no API key needed)

{
  "demoMode": true
}

Run with real data

{
  "demoMode": false,
  "task": "search_studies",
  "limit": 100
}

Input Parameters

Parameter	Type	Default	Required	Description
`task`	string	`"search_studies"`	Yes*	The operation to perform
`searchQuery`	string	-	No	Keywords to search in study titles and descriptions
`nctId`	string	-	No	ClinicalTrials.gov identifier (e.g., NCT05678901)
`condition`	string	-	No	Medical condition or disease to search
`sponsor`	string	-	No	Study sponsor organization name
`intervention`	string	-	No	Drug, device, or procedure name
`location`	string	-	No	City, state, or country for study sites
`phase`	string	-	No	Clinical trial phase
`status`	string	-	No	Study recruitment status
`studyType`	string	-	No	Type of clinical study
`limit`	integer	`100`	No	Maximum number of results to return
`webhookUrl`	string	-	No	URL to receive results via webhook
`demoMode`	boolean	`true`	No	Run with sample data (no API required)

Pricing

This actor uses pay-per-event billing:

Event	Description	Price
API Request	Each ClinicalTrials.gov API request processed	$0.01

Demo mode is free -- no charges for sample data.

Troubleshooting

"API error 429" or "Rate limit"

Too many requests. Wait a minute and try again, or reduce the number of items per run.

No results or empty dataset

Check the run log for error messages. Common causes:

Invalid input format (check the examples above)
The target data doesn't exist or is too small to track

How do I test without an API key?

Enable Demo Mode in the input. This returns realistic sample data so you can verify the output format works for your workflow.

Built by John Rippy | Actor Arsenal

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