FAQ | JoinClinicalTrials.com

Frequently Asked Questions

For Volunteers - Learn About Clinical Studies

What Is a Clinical Study?
Clinical Trials
Observational Studies
Who Conducts Clinical Studies?
Where Are Clinical Studies Conducted?
How Long Do Clinical Studies Last?
Why are Clinical Studies conducted?
Participating in Clinical Studies
Who Can Participate in a Clinical Study?
How Are Participants Protected?
What Are Institutional review boards?
What is the Relationship to my Usual Health Care?
What Should I Consider Before Participation?
What Questions Should I Ask Clinical Trial Investigators?
Why can't I find my study on JCT?

For Volunteers - Glossary of Common Clinical Trial Term

For Recruiting - General Questions

Does my clinical trial require a ClinicalTrials.Gov Identifier Number?
Is there a charge for listing studies on JCT?
Why Haven't the changes to my listing updated?
When will the NCT Number for my study be assigned?
How do I contact JCT if I have a question about my Listing?

Glossary of Common Terms

Accepts healthy volunteers

Glossary of LESS Common Terms

Active comparator arm

Featured Clinical Trials

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