Knowledge Center

Clinical Trials Knowledge Center – Articles, FAQ & Glossary

 
Clinical Trials Frequently Asked Questions

Clinical Trial Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Glossary results: A

An unwanted effect caused by the administration of drugs. Onset may be sudden or develop over time.

Organizations and groups that actively support participants and their families with valuable resources, including self-empowerment and survival tools.

In the United States, the Food and Drug Administration (FDA) must approve a substance such as a drug before it can be marketed. The approval process involves several steps, including: preclinical laboratory and animal studies, clinical trials for safety and efficacy, filing of a new drug application by the manufacturer of the drug, FDA review of the application and FDA approval/rejection of application.

+
-

Any of the treatment groups in a randomized trial. Most randomized trials have two "arms," but some have three "arms" or even more.


ClinicalTrials.com provides links to other Internet sites for the user's convenience. ClinicalTrials.com is not responsible for the availability or content of these external sites, nor does it endorse, warrant or guarantee the products, services or information described or offered at these sites.

Information included in the Glossary is from Clinicaltrials.gov, which uses content from AIDSinfo, CenterWatch, Inc., ECRI, Eli Lilly and Company, MediStudy.com, Inc. and National Cancer Institute.