1. Home
  2. Health
  3. Headaches & Migraines

Phase IV Trials, Headache and Migraine Glossary

by Teri Robert
for About.com

Updated: July 8, 2006

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition: Post-marketing studies to delineate additional information including the drug's risks, benefits, and optimal use.

_____________
Source:
ClinicalTrials.gov
Also Known As: Post-Marketing Trials
Examples: Phase IV trials are conducted after the drug has been approved by the FDA and is on the market and being prescribed.
More about headache and Migraine clinical trials

Clinical Trials: What are they? How do they work?Clinical Trial Info

Explore Headaches & Migraines
About.com Special Features

Learn how you can reduce your your numbers with these nutrition and exercise tips. More >

Keep yourself, and your family, happy and healthy this fall with these tips. More >

We comply with the HONcode standard for trustworthy health information: verify here.
  1. Home
  2. Health
  3. Headaches & Migraines
  4. Glossary
  5. Clinical Trial Terms
  6. Phase IV Trials, Headache and Migraine Glossary from About.com Headaches and Migraine

©2009 About.com, a part of The New York Times Company.

All rights reserved.