FAQ
ClinicalTrials.gov Questions

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• General Information
  
• What is ClinicalTrials.gov?
• How do I sign up for a clinical trial listed on ClinicalTrials.gov?
• Does ClinicalTrials.gov provide advice for specific medical conditions?
• What makes ClinicalTrials.gov different from other clinical trials resources?
• How is study information submitted for listing on ClinicalTrials.gov?
• How do I link to ClinicalTrials.gov from my Web site?
• Can ClinicalTrials.gov link to my Web site?
• How do I cite a study from ClinicalTrials.gov?
• How do I access ClinicalTrials.gov and is there a charge?
• Is ClinicalTrials.gov accessible to users with disabilities?
  
  Understanding Clinical Trials
  
• What is a clinical trial?
• What is a protocol?
• What is an "expanded access" protocol?
• What are clinical trial phases?
• What protections are there for participating in a clinical trial?
• What is informed consent?
• Who can participate in a clinical trial?
• Who sponsors clinical trials and where do they take place?
• What are the benefits and risks of participating in a clinical trial?
• Can I leave a clinical trial after it has begun?
  
  Searching the System
  
• How do I search and use ClinicalTrials.gov?
• How do I find studies on a particular disease or condition, using specific treatments, or near my home?
• Do I need to know medical terminology to search ClinicalTrials.gov?
  
  Content
  
• What kind of information is available for each study?
• How many studies are in ClinicalTrials.gov and which diseases are represented?
• Can I get in contact directly with the sponsor of the study?
• Who submits information on the clinical studies and what review takes place before information is posted on ClinicalTrials.gov?
• Are CancerNet/PDQ trials, or other NIH clinical study databases contained in ClinicalTrials.gov?
  
  Background and Troubleshooting
• Where can I find information on how ClinicalTrials.gov was built?
• What is the Food and Drug Administration Modernization Act (FDAMA)?
• How do I report errors in ClinicalTrials.gov?

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Last updated: 06 May 2004
First published: 01 January 2001
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