This web site was copied prior to January 20, 2005. It is now a Federal record managed by the National Archives and Records Administration. External links, forms, and search boxes may not function within this collection.
Learn more.
[hide]
The National Library of Medicine invites you to link from your web site to
ClinicalTrials.gov.
If you link to this site, provide proper attribution to the U.S. National Library of Medicine (NLM) and ClinicalTrials.gov. It must be clear to users that data and searches are being provided by ClinicalTrials.gov. Use only real-time data provided directly by ClinicalTrials.gov to ensure that the most up-to-date and accurate information is provided to the public.
Text Links
The text shown below should assist you in coding your html link to us.
Paste the block of HTML code provided below directly into your page.
Please observe the form of the ClinicalTrials.gov name,
which should always include an uppercase C and T, a lowercase g, no space
between "Clinical" and "Trials."
ClinicalTrials.gov
provides patients, family members, and members of the public easy
and free access to information on clinical studies for a wide range of diseases and conditions.
<a href="http://clinicaltrials.gov/"
title="Information on Clinical Trials and Human Research Studies">ClinicalTrials.gov<a>
provides patients, family members, and members of the public easy and free access to
information on clinical studies for a wide range of diseases and conditions.
Formulating Search Requests
Links to individual search fields can be constructed, as shown below. For any multiword search terms (e.g. alzheimer disease), spaces must be replaced with a "+" character. Unusual characters must be URL encoded.
Examples:
Searching for Alzheimer disease studies in ClinicalTrials.gov
<a href="http://clinicaltrials.gov/search/condition=diabetes">Diabetes studies in ClinicalTrials.gov</a>
For a multiword term that should be treated as a phrase, the spaces must be replaced with "+" characters
and the entire phrase enclosed in quotes, which are URL encoded as %22. For example,
<a href="http://clinicaltrials.gov/search/sponsor=NHLBI">Clinical studies sponsored by NHLBI in ClinicalTrials.gov</a>
You may show a specific study protocol record based on NCT number.
The NCT number is NLM's unique identifier for a particular record
and is found at the end of each record.
http://clinicaltrials.gov/show/NCT00004451
XML Format
ClinicalTrials.gov provides data in XML format as shown below.
Please note that use of ClinicalTrials.gov data is subject to our
Terms and Conditions.
The search results list can be obtained in XML format by appending a URL parameter "displayxml=true"
to the end of a search request URL.