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ClinicalTrials.gov API

National Library of Medicine · Health

Published by
National Library of Medicine
Status on DatenUS
Live
Data as of 10/29/2026
License
Public domain
Records loaded
27,284
From the latest update

What this data covers

ClinicalTrials.gov API is published by National Library of Medicine. DatenUS uses it for: Open clinical studies with U.S. sites. We load it on a schedule from the official source and show the date of the latest update on every page that uses it.

Official source: clinicaltrials.gov

Where to see this data on DatenUS

Pages built from this source, by topic

Frequently asked questions

Is ClinicalTrials.gov API data free to use?
Yes. ClinicalTrials.gov API is a work of the U.S. government and is in the public domain. You can use it without a license; citing National Library of Medicine is good practice.
Who publishes ClinicalTrials.gov API?
National Library of Medicine publishes it. The official page is https://clinicaltrials.gov/data-api/about-api.
How current is ClinicalTrials.gov API on DatenUS?
The latest data we loaded is as of 10/29/2026. We check the source on a schedule and update the pages that use it.
How should I cite this data?
Cite the original publisher: ClinicalTrials.gov API, National Library of Medicine, https://clinicaltrials.gov/data-api/about-api. If you used a DatenUS page, you can add its URL as the place you viewed it.

Source: National Library of Medicine · Data as of 10/29/2026

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